From 25e11700b54c7b6b5ebfc4361981dae12299557b Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 11 Sep 2018 14:45:03 +0300 Subject: perf script python: Fix export-to-postgresql.py occasional failure Occasional export failures were found to be caused by truncating 64-bit pointers to 32-bits. Fix by explicitly setting types for all ctype arguments and results. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20180911114504.28516-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/export-to-postgresql.py | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py index efcaf6cac2eb..e46f51b17513 100644 --- a/tools/perf/scripts/python/export-to-postgresql.py +++ b/tools/perf/scripts/python/export-to-postgresql.py @@ -204,14 +204,23 @@ from ctypes import * libpq = CDLL("libpq.so.5") PQconnectdb = libpq.PQconnectdb PQconnectdb.restype = c_void_p +PQconnectdb.argtypes = [ c_char_p ] PQfinish = libpq.PQfinish +PQfinish.argtypes = [ c_void_p ] PQstatus = libpq.PQstatus +PQstatus.restype = c_int +PQstatus.argtypes = [ c_void_p ] PQexec = libpq.PQexec PQexec.restype = c_void_p +PQexec.argtypes = [ c_void_p, c_char_p ] PQresultStatus = libpq.PQresultStatus +PQresultStatus.restype = c_int +PQresultStatus.argtypes = [ c_void_p ] PQputCopyData = libpq.PQputCopyData +PQputCopyData.restype = c_int PQputCopyData.argtypes = [ c_void_p, c_void_p, c_int ] PQputCopyEnd = libpq.PQputCopyEnd +PQputCopyEnd.restype = c_int PQputCopyEnd.argtypes = [ c_void_p, c_void_p ] sys.path.append(os.environ['PERF_EXEC_PATH'] + \ -- cgit v1.2.3-70-g09d2 From d005efe18db0b4a123dd92ea8e77e27aee8f99fd Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 11 Sep 2018 14:45:04 +0300 Subject: perf script python: Fix export-to-sqlite.py sample columns With the "branches" export option, not all sample columns are exported. However the unwanted columns are not at the end of the tuple, as assumed by the code. Fix by taking the first 15 and last 3 values, instead of the first 18. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20180911114504.28516-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/export-to-sqlite.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py index f827bf77e9d2..e4bb82c8aba9 100644 --- a/tools/perf/scripts/python/export-to-sqlite.py +++ b/tools/perf/scripts/python/export-to-sqlite.py @@ -440,7 +440,11 @@ def branch_type_table(*x): def sample_table(*x): if branches: - bind_exec(sample_query, 18, x) + for xx in x[0:15]: + sample_query.addBindValue(str(xx)) + for xx in x[19:22]: + sample_query.addBindValue(str(xx)) + do_query_(sample_query) else: bind_exec(sample_query, 22, x) -- cgit v1.2.3-70-g09d2 From 3e71c70c946b5d5e7b21397c621b14951e5c0fcf Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:35 +0300 Subject: perf scripts python: call-graph-from-sql.py: Use SPDX license identifier Use SPDX license identifier in call-graph-from-sql.py. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index b494a67a1c67..ce1b91fcd6b8 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -1,15 +1,7 @@ #!/usr/bin/python2 -# call-graph-from-sql.py: create call-graph from sql database -# Copyright (c) 2014-2017, Intel Corporation. -# -# This program is free software; you can redistribute it and/or modify it -# under the terms and conditions of the GNU General Public License, -# version 2, as published by the Free Software Foundation. -# -# This program is distributed in the hope it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -# more details. +# SPDX-License-Identifier: GPL-2.0 +# exported-sql-viewer.py: view data from sql database +# Copyright (c) 2014-2018, Intel Corporation. # To use this script you will need to have exported data using either the # export-to-sqlite.py or the export-to-postgresql.py script. Refer to those -- cgit v1.2.3-70-g09d2 From 1d865c06f5715df94528f76d6bb7f6f98975e04e Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:36 +0300 Subject: perf scripts python: call-graph-from-sql.py: Provide better default column sizes Set initial column sizes to improve initial display. Committer testing: Extended instructions on testing this, using the sqlite variant: Make sure you have the SQLite glue for python+Qt installed, on fedora 27 I used: # dnf install python-pyside Collect some PT samples, say 5-secs worth, system wide: # perf record -r 10 -e intel_pt//u -a sleep 5 [ perf record: Woken up 49 times to write data ] [ perf record: Captured and wrote 96.131 MB perf.data ] This results in this perf.data file: # ls -larth perf.data -rw-------. 1 root root 97M Oct 23 10:11 perf.data With the following attributes: # perf evlist -v intel_pt//u: type: 8, size: 112, config: 0x300e601, { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|CPU|IDENTIFIER, read_format: ID, disabled: 1, inherit: 1, exclude_kernel: 1, exclude_hv: 1, sample_id_all: 1 dummy:u: type: 1, size: 112, config: 0x9, { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|CPU|IDENTIFIER, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, sample_id_all: 1, mmap2: 1, comm_exec: 1, context_switch: 1 # Then generate the "pt_example" tables using: # perf script -s ~/libexec/perf-core/scripts/python/export-to-sqlite.py pt_example branches calls 2018-10-23 10:56:59.177711 Creating database... 2018-10-23 10:56:59.195842 Writing records... instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x263984516750 code 5: Failed to get instruction instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x7f26e116fd20 code 6: Trace doesn't match instruction instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x7f26e162c9ee code 6: Trace doesn't match instruction instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x7f26e9ce831a code 6: Trace doesn't match instruction instruction trace error type 1 cpu 0 pid 1644 tid 1644 ip 0x7f26e13d07b4 code 6: Trace doesn't match instruction Warning: 132 instruction trace errors 2018-10-23 11:25:25.015717 Adding indexes 2018-10-23 11:25:28.788061 Done # In my example, that perf.data file generated this db: # file pt_example pt_example: SQLite 3.x database, last written using SQLite version 3020001 [root@seventh perf]# ls -lah pt_example -rw-r--r--. 1 root root 6.6G Oct 23 11:25 pt_example # Then use this python script to use that db and provide a GUI: $ python tools/perf/scripts/python/call-graph-from-sql.py pt_example branches calls I compared the column widths before this patch and after applying it, the visual results match the patch intent. The following patches will refer to this set of instructions in the "Committer Testing" section. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index ce1b91fcd6b8..e1014f2628a7 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -280,6 +280,9 @@ class MainWindow(QMainWindow): self.view = QTreeView() self.view.setModel(self.model) + for c, w in ((0, 250), (1, 100), (2, 60), (3, 70), (4, 70), (5, 100)): + self.view.setColumnWidth(c, w) + self.setCentralWidget(self.view) if __name__ == '__main__': -- cgit v1.2.3-70-g09d2 From 3c4ef451506897a15aff76ff141c995c6cd32f4d Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:37 +0300 Subject: perf scripts python: call-graph-from-sql.py: Set a minimum window size Prevent weirdly small window size. Committer testing: Seems to work, but even before this patch, on my system, it always started with: xwininfo: Window id: 0x1e00002 "Call Graph: pt_example" Width: 800 Height: 600 Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 1 + 1 file changed, 1 insertion(+) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index e1014f2628a7..68153fa1b4d1 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -274,6 +274,7 @@ class MainWindow(QMainWindow): style = self.style() icon = style.standardIcon(QStyle.SP_MessageBoxInformation) self.setWindowIcon(icon); + self.setMinimumSize(200, 100) self.model = TreeModel(db) -- cgit v1.2.3-70-g09d2 From 99a097c987c26c8c82293fcb92908d07009c925e Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:38 +0300 Subject: perf scripts python: call-graph-from-sql.py: Change icon There are not many standard icons, but the computer icon looks slightly better than the information icon. Committer testing: Noticed the change on the icon on the gnome menu right next to the "Activities" menu, looks nicer indeed. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-5-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 68153fa1b4d1..2e33540f3de0 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -271,9 +271,7 @@ class MainWindow(QMainWindow): self.setWindowTitle("Call Graph: " + dbname) self.move(100, 100) self.resize(800, 600) - style = self.style() - icon = style.standardIcon(QStyle.SP_MessageBoxInformation) - self.setWindowIcon(icon); + self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) self.setMinimumSize(200, 100) self.model = TreeModel(db) -- cgit v1.2.3-70-g09d2 From 7e4fc93e2ade2b0c453a97e307203ffe3f930c98 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:39 +0300 Subject: perf scripts python: call-graph-from-sql.py: Make a "Main" function Make a "Main" function so that the variables used do not pollute the global namespace. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 2e33540f3de0..2b74b94eeccc 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -284,7 +284,9 @@ class MainWindow(QMainWindow): self.setCentralWidget(self.view) -if __name__ == '__main__': +# Main + +def Main(): if (len(sys.argv) < 2): print >> sys.stderr, "Usage is: call-graph-from-sql.py " raise Exception("Too few arguments") @@ -331,3 +333,6 @@ if __name__ == '__main__': err = app.exec_() db.close() sys.exit(err) + +if __name__ == "__main__": + Main() -- cgit v1.2.3-70-g09d2 From b2556c46a69b4c0e6bbf690ac4ca2913cbe90e1e Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:40 +0300 Subject: perf scripts python: call-graph-from-sql.py: Separate the database details into a class Separate the database details into a class that can provide different connections using the same connection information. That paves the way for sub-processes that require their own connection. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-7-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 63 ++++++++++++++---------- 1 file changed, 38 insertions(+), 25 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 2b74b94eeccc..9d056deab2b1 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -284,6 +284,42 @@ class MainWindow(QMainWindow): self.setCentralWidget(self.view) +# Database reference + +class DBRef(): + + def __init__(self, is_sqlite3, dbname): + self.is_sqlite3 = is_sqlite3 + self.dbname = dbname + + def Open(self, connection_name): + dbname = self.dbname + if self.is_sqlite3: + db = QSqlDatabase.addDatabase("QSQLITE", connection_name) + else: + db = QSqlDatabase.addDatabase("QPSQL", connection_name) + opts = dbname.split() + for opt in opts: + if "=" in opt: + opt = opt.split("=") + if opt[0] == "hostname": + db.setHostName(opt[1]) + elif opt[0] == "port": + db.setPort(int(opt[1])) + elif opt[0] == "username": + db.setUserName(opt[1]) + elif opt[0] == "password": + db.setPassword(opt[1]) + elif opt[0] == "dbname": + dbname = opt[1] + else: + dbname = opt + + db.setDatabaseName(dbname) + if not db.open(): + raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text()) + return db, dbname + # Main def Main(): @@ -302,31 +338,8 @@ def Main(): except: pass - if is_sqlite3: - db = QSqlDatabase.addDatabase('QSQLITE') - else: - db = QSqlDatabase.addDatabase('QPSQL') - opts = dbname.split() - for opt in opts: - if '=' in opt: - opt = opt.split('=') - if opt[0] == 'hostname': - db.setHostName(opt[1]) - elif opt[0] == 'port': - db.setPort(int(opt[1])) - elif opt[0] == 'username': - db.setUserName(opt[1]) - elif opt[0] == 'password': - db.setPassword(opt[1]) - elif opt[0] == 'dbname': - dbname = opt[1] - else: - dbname = opt - - db.setDatabaseName(dbname) - if not db.open(): - raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text()) - + dbref = DBRef(is_sqlite3, dbname) + db, dbname = dbref.Open("main") app = QApplication(sys.argv) window = MainWindow(db, dbname) window.show() -- cgit v1.2.3-70-g09d2 From 5f9dfef1bb7fadfb2d001244ef23359982fedd06 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:41 +0300 Subject: perf scripts python: call-graph-from-sql.py: Add a class for global data Keep global data in a single object that is easy to pass around as needed, without polluting the global namespace. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-8-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 26 +++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 9d056deab2b1..0a4dc13d4818 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -264,17 +264,19 @@ class TreeModel(QAbstractItemModel): class MainWindow(QMainWindow): - def __init__(self, db, dbname, parent=None): + def __init__(self, glb, parent=None): super(MainWindow, self).__init__(parent) + self.glb = glb + self.setObjectName("MainWindow") - self.setWindowTitle("Call Graph: " + dbname) + self.setWindowTitle("Call Graph: " + glb.dbname) self.move(100, 100) self.resize(800, 600) self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) self.setMinimumSize(200, 100) - self.model = TreeModel(db) + self.model = TreeModel(glb.db) self.view = QTreeView() self.view.setModel(self.model) @@ -284,6 +286,17 @@ class MainWindow(QMainWindow): self.setCentralWidget(self.view) +# Global data + +class Glb(): + + def __init__(self, dbref, db, dbname): + self.dbref = dbref + self.db = db + self.dbname = dbname + self.app = None + self.mainwindow = None + # Database reference class DBRef(): @@ -340,9 +353,12 @@ def Main(): dbref = DBRef(is_sqlite3, dbname) db, dbname = dbref.Open("main") + glb = Glb(dbref, db, dbname) app = QApplication(sys.argv) - window = MainWindow(db, dbname) - window.show() + glb.app = app + mainwindow = MainWindow(glb) + glb.mainwindow = mainwindow + mainwindow.show() err = app.exec_() db.close() sys.exit(err) -- cgit v1.2.3-70-g09d2 From e99ef8141a6d97abaf47647cfd0034769144d080 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:42 +0300 Subject: perf scripts python: call-graph-from-sql.py: Remove use of setObjectName() The object name is never used, so don't bother setting it. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-9-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 1 - 1 file changed, 1 deletion(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 0a4dc13d4818..65c18e351bc4 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -269,7 +269,6 @@ class MainWindow(QMainWindow): self.glb = glb - self.setObjectName("MainWindow") self.setWindowTitle("Call Graph: " + glb.dbname) self.move(100, 100) self.resize(800, 600) -- cgit v1.2.3-70-g09d2 From 70d831e85c1bdd87d193e85666bf3aa39aab7f21 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:43 +0300 Subject: perf scripts python: call-graph-from-sql.py: Factor out CallGraphModel from TreeModel Factor out CallGraphModel from TreeModel, which paves the way to reuse TreeModel in future reports. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-10-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 90 ++++++++++++++++-------- 1 file changed, 61 insertions(+), 29 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 65c18e351bc4..ada486048ad8 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -201,42 +201,47 @@ class TreeItem(): self.selectCalls() return self.child_count - def columnCount(self): - return 7 - - def columnHeader(self, column): - headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] - return headers[column] + def hasChildren(self): + if not self.query_done: + return True + return self.child_count > 0 def getData(self, column): return self.data[column] +# Tree data model + class TreeModel(QAbstractItemModel): - def __init__(self, db, parent=None): + def __init__(self, root, parent=None): super(TreeModel, self).__init__(parent) - self.db = db - self.root = TreeItem(db, 0, None) + self.root = root + self.last_row_read = 0 - def columnCount(self, parent): - return self.root.columnCount() - - def rowCount(self, parent): + def Item(self, parent): if parent.isValid(): - parent_item = parent.internalPointer() + return parent.internalPointer() else: - parent_item = self.root - return parent_item.childCount() + return self.root + + def rowCount(self, parent): + result = self.Item(parent).childCount() + if result < 0: + result = 0 + self.dataChanged.emit(parent, parent) + return result + + def hasChildren(self, parent): + return self.Item(parent).hasChildren() def headerData(self, section, orientation, role): if role == Qt.TextAlignmentRole: - if section > 1: - return Qt.AlignRight + return self.columnAlignment(section) if role != Qt.DisplayRole: return None if orientation != Qt.Horizontal: return None - return self.root.columnHeader(section) + return self.columnHeader(section) def parent(self, child): child_item = child.internalPointer() @@ -246,21 +251,48 @@ class TreeModel(QAbstractItemModel): return self.createIndex(parent_item.getRow(), 0, parent_item) def index(self, row, column, parent): - if parent.isValid(): - parent_item = parent.internalPointer() - else: - parent_item = self.root - child_item = parent_item.getChildItem(row) + child_item = self.Item(parent).getChildItem(row) return self.createIndex(row, column, child_item) + def DisplayData(self, item, index): + return item.getData(index.column()) + + def columnAlignment(self, column): + return Qt.AlignLeft + + def columnFont(self, column): + return None + def data(self, index, role): if role == Qt.TextAlignmentRole: - if index.column() > 1: - return Qt.AlignRight + return self.columnAlignment(index.column()) + if role == Qt.FontRole: + return self.columnFont(index.column()) if role != Qt.DisplayRole: return None - index_item = index.internalPointer() - return index_item.getData(index.column()) + item = index.internalPointer() + return self.DisplayData(item, index) + +# Context-sensitive call graph data model + +class CallGraphModel(TreeModel): + + def __init__(self, glb, parent=None): + super(CallGraphModel, self).__init__(TreeItem(glb.db, 0, None), parent) + self.glb = glb + + def columnCount(self, parent=None): + return 7 + + def columnHeader(self, column): + headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] + return headers[column] + + def columnAlignment(self, column): + alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ] + return alignment[column] + +# Main window class MainWindow(QMainWindow): @@ -275,7 +307,7 @@ class MainWindow(QMainWindow): self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) self.setMinimumSize(200, 100) - self.model = TreeModel(glb.db) + self.model = CallGraphModel(glb) self.view = QTreeView() self.view.setModel(self.model) -- cgit v1.2.3-70-g09d2 From 4be9ace7e1cdcb44c1fba1fb41ec2b92dda06732 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:44 +0300 Subject: perf scripts python: call-graph-from-sql.py: Add data helper functions Add helper functions for a few common cases. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-11-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 54 +++++++++++++----------- 1 file changed, 29 insertions(+), 25 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index ada486048ad8..7f2eabe7dacd 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -52,6 +52,28 @@ from PySide.QtGui import * from PySide.QtSql import * from decimal import * +# Data formatting helpers + +def dsoname(name): + if name == "[kernel.kallsyms]": + return "[kernel]" + return name + +# Percent to one decimal place + +def PercentToOneDP(n, d): + if not d: + return "0.0" + x = (n * Decimal(100)) / d + return str(x.quantize(Decimal(".1"), rounding=ROUND_HALF_UP)) + +# Helper for queries that must not fail + +def QueryExec(query, stmt): + ret = query.exec_(stmt) + if not ret: + raise Exception("Query failed: " + query.lastError().text()) + class TreeItem(): def __init__(self, db, row, parent_item): @@ -73,9 +95,7 @@ class TreeItem(): def setUpRoot(self): self.query_done = True query = QSqlQuery(self.db) - ret = query.exec_('SELECT id, comm FROM comms') - if not ret: - raise Exception("Query failed: " + query.lastError().text()) + QueryExec(query, 'SELECT id, comm FROM comms') while query.next(): if not query.value(0): continue @@ -91,9 +111,7 @@ class TreeItem(): self.child_items = [] self.child_count = 0 query = QSqlQuery(self.db) - ret = query.exec_('SELECT thread_id, ( SELECT pid FROM threads WHERE id = thread_id ), ( SELECT tid FROM threads WHERE id = thread_id ) FROM comm_threads WHERE comm_id = ' + str(comm_id)) - if not ret: - raise Exception("Query failed: " + query.lastError().text()) + QueryExec(query, 'SELECT thread_id, ( SELECT pid FROM threads WHERE id = thread_id ), ( SELECT tid FROM threads WHERE id = thread_id ) FROM comm_threads WHERE comm_id = ' + str(comm_id)) while query.next(): child_item = TreeItem(self.db, self.child_count, self) self.child_items.append(child_item) @@ -114,18 +132,6 @@ class TreeItem(): def getRow(self): return self.row - def timePercent(self, b): - if not self.time: - return "0.0" - x = (b * Decimal(100)) / self.time - return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP)) - - def branchPercent(self, b): - if not self.branch_count: - return "0.0" - x = (b * Decimal(100)) / self.branch_count - return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP)) - def addChild(self, call_path_id, name, dso, count, time, branch_count): child_item = TreeItem(self.db, self.child_count, self) child_item.comm_id = self.comm_id @@ -134,14 +140,12 @@ class TreeItem(): child_item.branch_count = branch_count child_item.time = time child_item.data[0] = name - if dso == "[kernel.kallsyms]": - dso = "[kernel]" - child_item.data[1] = dso + child_item.data[1] = dsoname(dso) child_item.data[2] = str(count) child_item.data[3] = str(time) - child_item.data[4] = self.timePercent(time) + child_item.data[4] = PercentToOneDP(time, self.time) child_item.data[5] = str(branch_count) - child_item.data[6] = self.branchPercent(branch_count) + child_item.data[6] = PercentToOneDP(branch_count, self.branch_count) self.child_items.append(child_item) self.child_count += 1 @@ -189,12 +193,12 @@ class TreeItem(): self.branch_count = total_branch_count if self.branch_count: for child_item in self.child_items: - child_item.data[6] = self.branchPercent(child_item.branch_count) + child_item.data[6] = PercentToOneDP(child_item.branch_count, self.branch_count) if total_time > self.time: self.time = total_time if self.time: for child_item in self.child_items: - child_item.data[4] = self.timePercent(child_item.time) + child_item.data[4] = PercentToOneDP(child_item.time, self.time) def childCount(self): if not self.query_done: -- cgit v1.2.3-70-g09d2 From 341e73cbd3019d350d1271803b45d84af88f2408 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:45 +0300 Subject: perf scripts python: call-graph-from-sql.py: Refactor TreeItem class class TreeItem represents items at all levels of the call-graph tree. However, not all the levels represent the same data i.e. the top-level is comms, the next level is threads, and subsequent levels are functions. Consequently it is simpler to have separate classes for different levels with commonality in a base class. Refactor TreeItem class accordingly. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-12-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/call-graph-from-sql.py | 273 +++++++++++------------ 1 file changed, 133 insertions(+), 140 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py index 7f2eabe7dacd..ee1085169a3e 100644 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ b/tools/perf/scripts/python/call-graph-from-sql.py @@ -74,145 +74,6 @@ def QueryExec(query, stmt): if not ret: raise Exception("Query failed: " + query.lastError().text()) -class TreeItem(): - - def __init__(self, db, row, parent_item): - self.db = db - self.row = row - self.parent_item = parent_item - self.query_done = False; - self.child_count = 0 - self.child_items = [] - self.data = ["", "", "", "", "", "", ""] - self.comm_id = 0 - self.thread_id = 0 - self.call_path_id = 1 - self.branch_count = 0 - self.time = 0 - if not parent_item: - self.setUpRoot() - - def setUpRoot(self): - self.query_done = True - query = QSqlQuery(self.db) - QueryExec(query, 'SELECT id, comm FROM comms') - while query.next(): - if not query.value(0): - continue - child_item = TreeItem(self.db, self.child_count, self) - self.child_items.append(child_item) - self.child_count += 1 - child_item.setUpLevel1(query.value(0), query.value(1)) - - def setUpLevel1(self, comm_id, comm): - self.query_done = True; - self.comm_id = comm_id - self.data[0] = comm - self.child_items = [] - self.child_count = 0 - query = QSqlQuery(self.db) - QueryExec(query, 'SELECT thread_id, ( SELECT pid FROM threads WHERE id = thread_id ), ( SELECT tid FROM threads WHERE id = thread_id ) FROM comm_threads WHERE comm_id = ' + str(comm_id)) - while query.next(): - child_item = TreeItem(self.db, self.child_count, self) - self.child_items.append(child_item) - self.child_count += 1 - child_item.setUpLevel2(comm_id, query.value(0), query.value(1), query.value(2)) - - def setUpLevel2(self, comm_id, thread_id, pid, tid): - self.comm_id = comm_id - self.thread_id = thread_id - self.data[0] = str(pid) + ":" + str(tid) - - def getChildItem(self, row): - return self.child_items[row] - - def getParentItem(self): - return self.parent_item - - def getRow(self): - return self.row - - def addChild(self, call_path_id, name, dso, count, time, branch_count): - child_item = TreeItem(self.db, self.child_count, self) - child_item.comm_id = self.comm_id - child_item.thread_id = self.thread_id - child_item.call_path_id = call_path_id - child_item.branch_count = branch_count - child_item.time = time - child_item.data[0] = name - child_item.data[1] = dsoname(dso) - child_item.data[2] = str(count) - child_item.data[3] = str(time) - child_item.data[4] = PercentToOneDP(time, self.time) - child_item.data[5] = str(branch_count) - child_item.data[6] = PercentToOneDP(branch_count, self.branch_count) - self.child_items.append(child_item) - self.child_count += 1 - - def selectCalls(self): - self.query_done = True; - query = QSqlQuery(self.db) - ret = query.exec_('SELECT id, call_path_id, branch_count, call_time, return_time, ' - '( SELECT name FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ), ' - '( SELECT short_name FROM dsos WHERE id = ( SELECT dso_id FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ) ), ' - '( SELECT ip FROM call_paths where id = call_path_id ) ' - 'FROM calls WHERE parent_call_path_id = ' + str(self.call_path_id) + ' AND comm_id = ' + str(self.comm_id) + ' AND thread_id = ' + str(self.thread_id) + - ' ORDER BY call_path_id') - if not ret: - raise Exception("Query failed: " + query.lastError().text()) - last_call_path_id = 0 - name = "" - dso = "" - count = 0 - branch_count = 0 - total_branch_count = 0 - time = 0 - total_time = 0 - while query.next(): - if query.value(1) == last_call_path_id: - count += 1 - branch_count += query.value(2) - time += query.value(4) - query.value(3) - else: - if count: - self.addChild(last_call_path_id, name, dso, count, time, branch_count) - last_call_path_id = query.value(1) - name = query.value(5) - dso = query.value(6) - count = 1 - total_branch_count += branch_count - total_time += time - branch_count = query.value(2) - time = query.value(4) - query.value(3) - if count: - self.addChild(last_call_path_id, name, dso, count, time, branch_count) - total_branch_count += branch_count - total_time += time - # Top level does not have time or branch count, so fix that here - if total_branch_count > self.branch_count: - self.branch_count = total_branch_count - if self.branch_count: - for child_item in self.child_items: - child_item.data[6] = PercentToOneDP(child_item.branch_count, self.branch_count) - if total_time > self.time: - self.time = total_time - if self.time: - for child_item in self.child_items: - child_item.data[4] = PercentToOneDP(child_item.time, self.time) - - def childCount(self): - if not self.query_done: - self.selectCalls() - return self.child_count - - def hasChildren(self): - if not self.query_done: - return True - return self.child_count > 0 - - def getData(self, column): - return self.data[column] - # Tree data model class TreeModel(QAbstractItemModel): @@ -277,12 +138,144 @@ class TreeModel(QAbstractItemModel): item = index.internalPointer() return self.DisplayData(item, index) +# Context-sensitive call graph data model item base + +class CallGraphLevelItemBase(object): + + def __init__(self, glb, row, parent_item): + self.glb = glb + self.row = row + self.parent_item = parent_item + self.query_done = False; + self.child_count = 0 + self.child_items = [] + + def getChildItem(self, row): + return self.child_items[row] + + def getParentItem(self): + return self.parent_item + + def getRow(self): + return self.row + + def childCount(self): + if not self.query_done: + self.Select() + if not self.child_count: + return -1 + return self.child_count + + def hasChildren(self): + if not self.query_done: + return True + return self.child_count > 0 + + def getData(self, column): + return self.data[column] + +# Context-sensitive call graph data model level 2+ item base + +class CallGraphLevelTwoPlusItemBase(CallGraphLevelItemBase): + + def __init__(self, glb, row, comm_id, thread_id, call_path_id, time, branch_count, parent_item): + super(CallGraphLevelTwoPlusItemBase, self).__init__(glb, row, parent_item) + self.comm_id = comm_id + self.thread_id = thread_id + self.call_path_id = call_path_id + self.branch_count = branch_count + self.time = time + + def Select(self): + self.query_done = True; + query = QSqlQuery(self.glb.db) + QueryExec(query, "SELECT call_path_id, name, short_name, COUNT(calls.id), SUM(return_time - call_time), SUM(branch_count)" + " FROM calls" + " INNER JOIN call_paths ON calls.call_path_id = call_paths.id" + " INNER JOIN symbols ON call_paths.symbol_id = symbols.id" + " INNER JOIN dsos ON symbols.dso_id = dsos.id" + " WHERE parent_call_path_id = " + str(self.call_path_id) + + " AND comm_id = " + str(self.comm_id) + + " AND thread_id = " + str(self.thread_id) + + " GROUP BY call_path_id, name, short_name" + " ORDER BY call_path_id") + while query.next(): + child_item = CallGraphLevelThreeItem(self.glb, self.child_count, self.comm_id, self.thread_id, query.value(0), query.value(1), query.value(2), query.value(3), int(query.value(4)), int(query.value(5)), self) + self.child_items.append(child_item) + self.child_count += 1 + +# Context-sensitive call graph data model level three item + +class CallGraphLevelThreeItem(CallGraphLevelTwoPlusItemBase): + + def __init__(self, glb, row, comm_id, thread_id, call_path_id, name, dso, count, time, branch_count, parent_item): + super(CallGraphLevelThreeItem, self).__init__(glb, row, comm_id, thread_id, call_path_id, time, branch_count, parent_item) + dso = dsoname(dso) + self.data = [ name, dso, str(count), str(time), PercentToOneDP(time, parent_item.time), str(branch_count), PercentToOneDP(branch_count, parent_item.branch_count) ] + self.dbid = call_path_id + +# Context-sensitive call graph data model level two item + +class CallGraphLevelTwoItem(CallGraphLevelTwoPlusItemBase): + + def __init__(self, glb, row, comm_id, thread_id, pid, tid, parent_item): + super(CallGraphLevelTwoItem, self).__init__(glb, row, comm_id, thread_id, 1, 0, 0, parent_item) + self.data = [str(pid) + ":" + str(tid), "", "", "", "", "", ""] + self.dbid = thread_id + + def Select(self): + super(CallGraphLevelTwoItem, self).Select() + for child_item in self.child_items: + self.time += child_item.time + self.branch_count += child_item.branch_count + for child_item in self.child_items: + child_item.data[4] = PercentToOneDP(child_item.time, self.time) + child_item.data[6] = PercentToOneDP(child_item.branch_count, self.branch_count) + +# Context-sensitive call graph data model level one item + +class CallGraphLevelOneItem(CallGraphLevelItemBase): + + def __init__(self, glb, row, comm_id, comm, parent_item): + super(CallGraphLevelOneItem, self).__init__(glb, row, parent_item) + self.data = [comm, "", "", "", "", "", ""] + self.dbid = comm_id + + def Select(self): + self.query_done = True; + query = QSqlQuery(self.glb.db) + QueryExec(query, "SELECT thread_id, pid, tid" + " FROM comm_threads" + " INNER JOIN threads ON thread_id = threads.id" + " WHERE comm_id = " + str(self.dbid)) + while query.next(): + child_item = CallGraphLevelTwoItem(self.glb, self.child_count, self.dbid, query.value(0), query.value(1), query.value(2), self) + self.child_items.append(child_item) + self.child_count += 1 + +# Context-sensitive call graph data model root item + +class CallGraphRootItem(CallGraphLevelItemBase): + + def __init__(self, glb): + super(CallGraphRootItem, self).__init__(glb, 0, None) + self.dbid = 0 + self.query_done = True; + query = QSqlQuery(glb.db) + QueryExec(query, "SELECT id, comm FROM comms") + while query.next(): + if not query.value(0): + continue + child_item = CallGraphLevelOneItem(glb, self.child_count, query.value(0), query.value(1), self) + self.child_items.append(child_item) + self.child_count += 1 + # Context-sensitive call graph data model class CallGraphModel(TreeModel): def __init__(self, glb, parent=None): - super(CallGraphModel, self).__init__(TreeItem(glb.db, 0, None), parent) + super(CallGraphModel, self).__init__(CallGraphRootItem(glb), parent) self.glb = glb def columnCount(self, parent=None): -- cgit v1.2.3-70-g09d2 From 031c2a004ba75a4f8f2a6d0a7ca6f2fe5912de22 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:46 +0300 Subject: perf scripts python: call-graph-from-sql.py: Rename to exported-sql-viewer.py Additional reports will be added to the script so rename to reflect the more general purpose. Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-13-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/intel-pt.txt | 2 +- tools/perf/scripts/python/call-graph-from-sql.py | 395 ---------------------- tools/perf/scripts/python/export-to-postgresql.py | 2 +- tools/perf/scripts/python/export-to-sqlite.py | 2 +- tools/perf/scripts/python/exported-sql-viewer.py | 395 ++++++++++++++++++++++ 5 files changed, 398 insertions(+), 398 deletions(-) delete mode 100644 tools/perf/scripts/python/call-graph-from-sql.py create mode 100755 tools/perf/scripts/python/exported-sql-viewer.py (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt index 76971d2e4164..115eaacc455f 100644 --- a/tools/perf/Documentation/intel-pt.txt +++ b/tools/perf/Documentation/intel-pt.txt @@ -106,7 +106,7 @@ in transaction, respectively. While it is possible to create scripts to analyze the data, an alternative approach is available to export the data to a sqlite or postgresql database. Refer to script export-to-sqlite.py or export-to-postgresql.py for more details, -and to script call-graph-from-sql.py for an example of using the database. +and to script exported-sql-viewer.py for an example of using the database. There is also script intel-pt-events.py which provides an example of how to unpack the raw data for power events and PTWRITE. diff --git a/tools/perf/scripts/python/call-graph-from-sql.py b/tools/perf/scripts/python/call-graph-from-sql.py deleted file mode 100644 index ee1085169a3e..000000000000 --- a/tools/perf/scripts/python/call-graph-from-sql.py +++ /dev/null @@ -1,395 +0,0 @@ -#!/usr/bin/python2 -# SPDX-License-Identifier: GPL-2.0 -# exported-sql-viewer.py: view data from sql database -# Copyright (c) 2014-2018, Intel Corporation. - -# To use this script you will need to have exported data using either the -# export-to-sqlite.py or the export-to-postgresql.py script. Refer to those -# scripts for details. -# -# Following on from the example in the export scripts, a -# call-graph can be displayed for the pt_example database like this: -# -# python tools/perf/scripts/python/call-graph-from-sql.py pt_example -# -# Note that for PostgreSQL, this script supports connecting to remote databases -# by setting hostname, port, username, password, and dbname e.g. -# -# python tools/perf/scripts/python/call-graph-from-sql.py "hostname=myhost username=myuser password=mypassword dbname=pt_example" -# -# The result is a GUI window with a tree representing a context-sensitive -# call-graph. Expanding a couple of levels of the tree and adjusting column -# widths to suit will display something like: -# -# Call Graph: pt_example -# Call Path Object Count Time(ns) Time(%) Branch Count Branch Count(%) -# v- ls -# v- 2638:2638 -# v- _start ld-2.19.so 1 10074071 100.0 211135 100.0 -# |- unknown unknown 1 13198 0.1 1 0.0 -# >- _dl_start ld-2.19.so 1 1400980 13.9 19637 9.3 -# >- _d_linit_internal ld-2.19.so 1 448152 4.4 11094 5.3 -# v-__libc_start_main@plt ls 1 8211741 81.5 180397 85.4 -# >- _dl_fixup ld-2.19.so 1 7607 0.1 108 0.1 -# >- __cxa_atexit libc-2.19.so 1 11737 0.1 10 0.0 -# >- __libc_csu_init ls 1 10354 0.1 10 0.0 -# |- _setjmp libc-2.19.so 1 0 0.0 4 0.0 -# v- main ls 1 8182043 99.6 180254 99.9 -# -# Points to note: -# The top level is a command name (comm) -# The next level is a thread (pid:tid) -# Subsequent levels are functions -# 'Count' is the number of calls -# 'Time' is the elapsed time until the function returns -# Percentages are relative to the level above -# 'Branch Count' is the total number of branches for that function and all -# functions that it calls - -import sys -from PySide.QtCore import * -from PySide.QtGui import * -from PySide.QtSql import * -from decimal import * - -# Data formatting helpers - -def dsoname(name): - if name == "[kernel.kallsyms]": - return "[kernel]" - return name - -# Percent to one decimal place - -def PercentToOneDP(n, d): - if not d: - return "0.0" - x = (n * Decimal(100)) / d - return str(x.quantize(Decimal(".1"), rounding=ROUND_HALF_UP)) - -# Helper for queries that must not fail - -def QueryExec(query, stmt): - ret = query.exec_(stmt) - if not ret: - raise Exception("Query failed: " + query.lastError().text()) - -# Tree data model - -class TreeModel(QAbstractItemModel): - - def __init__(self, root, parent=None): - super(TreeModel, self).__init__(parent) - self.root = root - self.last_row_read = 0 - - def Item(self, parent): - if parent.isValid(): - return parent.internalPointer() - else: - return self.root - - def rowCount(self, parent): - result = self.Item(parent).childCount() - if result < 0: - result = 0 - self.dataChanged.emit(parent, parent) - return result - - def hasChildren(self, parent): - return self.Item(parent).hasChildren() - - def headerData(self, section, orientation, role): - if role == Qt.TextAlignmentRole: - return self.columnAlignment(section) - if role != Qt.DisplayRole: - return None - if orientation != Qt.Horizontal: - return None - return self.columnHeader(section) - - def parent(self, child): - child_item = child.internalPointer() - if child_item is self.root: - return QModelIndex() - parent_item = child_item.getParentItem() - return self.createIndex(parent_item.getRow(), 0, parent_item) - - def index(self, row, column, parent): - child_item = self.Item(parent).getChildItem(row) - return self.createIndex(row, column, child_item) - - def DisplayData(self, item, index): - return item.getData(index.column()) - - def columnAlignment(self, column): - return Qt.AlignLeft - - def columnFont(self, column): - return None - - def data(self, index, role): - if role == Qt.TextAlignmentRole: - return self.columnAlignment(index.column()) - if role == Qt.FontRole: - return self.columnFont(index.column()) - if role != Qt.DisplayRole: - return None - item = index.internalPointer() - return self.DisplayData(item, index) - -# Context-sensitive call graph data model item base - -class CallGraphLevelItemBase(object): - - def __init__(self, glb, row, parent_item): - self.glb = glb - self.row = row - self.parent_item = parent_item - self.query_done = False; - self.child_count = 0 - self.child_items = [] - - def getChildItem(self, row): - return self.child_items[row] - - def getParentItem(self): - return self.parent_item - - def getRow(self): - return self.row - - def childCount(self): - if not self.query_done: - self.Select() - if not self.child_count: - return -1 - return self.child_count - - def hasChildren(self): - if not self.query_done: - return True - return self.child_count > 0 - - def getData(self, column): - return self.data[column] - -# Context-sensitive call graph data model level 2+ item base - -class CallGraphLevelTwoPlusItemBase(CallGraphLevelItemBase): - - def __init__(self, glb, row, comm_id, thread_id, call_path_id, time, branch_count, parent_item): - super(CallGraphLevelTwoPlusItemBase, self).__init__(glb, row, parent_item) - self.comm_id = comm_id - self.thread_id = thread_id - self.call_path_id = call_path_id - self.branch_count = branch_count - self.time = time - - def Select(self): - self.query_done = True; - query = QSqlQuery(self.glb.db) - QueryExec(query, "SELECT call_path_id, name, short_name, COUNT(calls.id), SUM(return_time - call_time), SUM(branch_count)" - " FROM calls" - " INNER JOIN call_paths ON calls.call_path_id = call_paths.id" - " INNER JOIN symbols ON call_paths.symbol_id = symbols.id" - " INNER JOIN dsos ON symbols.dso_id = dsos.id" - " WHERE parent_call_path_id = " + str(self.call_path_id) + - " AND comm_id = " + str(self.comm_id) + - " AND thread_id = " + str(self.thread_id) + - " GROUP BY call_path_id, name, short_name" - " ORDER BY call_path_id") - while query.next(): - child_item = CallGraphLevelThreeItem(self.glb, self.child_count, self.comm_id, self.thread_id, query.value(0), query.value(1), query.value(2), query.value(3), int(query.value(4)), int(query.value(5)), self) - self.child_items.append(child_item) - self.child_count += 1 - -# Context-sensitive call graph data model level three item - -class CallGraphLevelThreeItem(CallGraphLevelTwoPlusItemBase): - - def __init__(self, glb, row, comm_id, thread_id, call_path_id, name, dso, count, time, branch_count, parent_item): - super(CallGraphLevelThreeItem, self).__init__(glb, row, comm_id, thread_id, call_path_id, time, branch_count, parent_item) - dso = dsoname(dso) - self.data = [ name, dso, str(count), str(time), PercentToOneDP(time, parent_item.time), str(branch_count), PercentToOneDP(branch_count, parent_item.branch_count) ] - self.dbid = call_path_id - -# Context-sensitive call graph data model level two item - -class CallGraphLevelTwoItem(CallGraphLevelTwoPlusItemBase): - - def __init__(self, glb, row, comm_id, thread_id, pid, tid, parent_item): - super(CallGraphLevelTwoItem, self).__init__(glb, row, comm_id, thread_id, 1, 0, 0, parent_item) - self.data = [str(pid) + ":" + str(tid), "", "", "", "", "", ""] - self.dbid = thread_id - - def Select(self): - super(CallGraphLevelTwoItem, self).Select() - for child_item in self.child_items: - self.time += child_item.time - self.branch_count += child_item.branch_count - for child_item in self.child_items: - child_item.data[4] = PercentToOneDP(child_item.time, self.time) - child_item.data[6] = PercentToOneDP(child_item.branch_count, self.branch_count) - -# Context-sensitive call graph data model level one item - -class CallGraphLevelOneItem(CallGraphLevelItemBase): - - def __init__(self, glb, row, comm_id, comm, parent_item): - super(CallGraphLevelOneItem, self).__init__(glb, row, parent_item) - self.data = [comm, "", "", "", "", "", ""] - self.dbid = comm_id - - def Select(self): - self.query_done = True; - query = QSqlQuery(self.glb.db) - QueryExec(query, "SELECT thread_id, pid, tid" - " FROM comm_threads" - " INNER JOIN threads ON thread_id = threads.id" - " WHERE comm_id = " + str(self.dbid)) - while query.next(): - child_item = CallGraphLevelTwoItem(self.glb, self.child_count, self.dbid, query.value(0), query.value(1), query.value(2), self) - self.child_items.append(child_item) - self.child_count += 1 - -# Context-sensitive call graph data model root item - -class CallGraphRootItem(CallGraphLevelItemBase): - - def __init__(self, glb): - super(CallGraphRootItem, self).__init__(glb, 0, None) - self.dbid = 0 - self.query_done = True; - query = QSqlQuery(glb.db) - QueryExec(query, "SELECT id, comm FROM comms") - while query.next(): - if not query.value(0): - continue - child_item = CallGraphLevelOneItem(glb, self.child_count, query.value(0), query.value(1), self) - self.child_items.append(child_item) - self.child_count += 1 - -# Context-sensitive call graph data model - -class CallGraphModel(TreeModel): - - def __init__(self, glb, parent=None): - super(CallGraphModel, self).__init__(CallGraphRootItem(glb), parent) - self.glb = glb - - def columnCount(self, parent=None): - return 7 - - def columnHeader(self, column): - headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] - return headers[column] - - def columnAlignment(self, column): - alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ] - return alignment[column] - -# Main window - -class MainWindow(QMainWindow): - - def __init__(self, glb, parent=None): - super(MainWindow, self).__init__(parent) - - self.glb = glb - - self.setWindowTitle("Call Graph: " + glb.dbname) - self.move(100, 100) - self.resize(800, 600) - self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) - self.setMinimumSize(200, 100) - - self.model = CallGraphModel(glb) - - self.view = QTreeView() - self.view.setModel(self.model) - - for c, w in ((0, 250), (1, 100), (2, 60), (3, 70), (4, 70), (5, 100)): - self.view.setColumnWidth(c, w) - - self.setCentralWidget(self.view) - -# Global data - -class Glb(): - - def __init__(self, dbref, db, dbname): - self.dbref = dbref - self.db = db - self.dbname = dbname - self.app = None - self.mainwindow = None - -# Database reference - -class DBRef(): - - def __init__(self, is_sqlite3, dbname): - self.is_sqlite3 = is_sqlite3 - self.dbname = dbname - - def Open(self, connection_name): - dbname = self.dbname - if self.is_sqlite3: - db = QSqlDatabase.addDatabase("QSQLITE", connection_name) - else: - db = QSqlDatabase.addDatabase("QPSQL", connection_name) - opts = dbname.split() - for opt in opts: - if "=" in opt: - opt = opt.split("=") - if opt[0] == "hostname": - db.setHostName(opt[1]) - elif opt[0] == "port": - db.setPort(int(opt[1])) - elif opt[0] == "username": - db.setUserName(opt[1]) - elif opt[0] == "password": - db.setPassword(opt[1]) - elif opt[0] == "dbname": - dbname = opt[1] - else: - dbname = opt - - db.setDatabaseName(dbname) - if not db.open(): - raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text()) - return db, dbname - -# Main - -def Main(): - if (len(sys.argv) < 2): - print >> sys.stderr, "Usage is: call-graph-from-sql.py " - raise Exception("Too few arguments") - - dbname = sys.argv[1] - - is_sqlite3 = False - try: - f = open(dbname) - if f.read(15) == "SQLite format 3": - is_sqlite3 = True - f.close() - except: - pass - - dbref = DBRef(is_sqlite3, dbname) - db, dbname = dbref.Open("main") - glb = Glb(dbref, db, dbname) - app = QApplication(sys.argv) - glb.app = app - mainwindow = MainWindow(glb) - glb.mainwindow = mainwindow - mainwindow.show() - err = app.exec_() - db.close() - sys.exit(err) - -if __name__ == "__main__": - Main() diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py index e46f51b17513..0564dd7377f2 100644 --- a/tools/perf/scripts/python/export-to-postgresql.py +++ b/tools/perf/scripts/python/export-to-postgresql.py @@ -59,7 +59,7 @@ import datetime # pt_example=# \q # # An example of using the database is provided by the script -# call-graph-from-sql.py. Refer to that script for details. +# exported-sql-viewer.py. Refer to that script for details. # # Tables: # diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py index e4bb82c8aba9..245caf2643ed 100644 --- a/tools/perf/scripts/python/export-to-sqlite.py +++ b/tools/perf/scripts/python/export-to-sqlite.py @@ -40,7 +40,7 @@ import datetime # sqlite> .quit # # An example of using the database is provided by the script -# call-graph-from-sql.py. Refer to that script for details. +# exported-sql-viewer.py. Refer to that script for details. # # The database structure is practically the same as created by the script # export-to-postgresql.py. Refer to that script for details. A notable diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py new file mode 100755 index 000000000000..03e7a1de7f31 --- /dev/null +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -0,0 +1,395 @@ +#!/usr/bin/python2 +# SPDX-License-Identifier: GPL-2.0 +# exported-sql-viewer.py: view data from sql database +# Copyright (c) 2014-2018, Intel Corporation. + +# To use this script you will need to have exported data using either the +# export-to-sqlite.py or the export-to-postgresql.py script. Refer to those +# scripts for details. +# +# Following on from the example in the export scripts, a +# call-graph can be displayed for the pt_example database like this: +# +# python tools/perf/scripts/python/exported-sql-viewer.py pt_example +# +# Note that for PostgreSQL, this script supports connecting to remote databases +# by setting hostname, port, username, password, and dbname e.g. +# +# python tools/perf/scripts/python/exported-sql-viewer.py "hostname=myhost username=myuser password=mypassword dbname=pt_example" +# +# The result is a GUI window with a tree representing a context-sensitive +# call-graph. Expanding a couple of levels of the tree and adjusting column +# widths to suit will display something like: +# +# Call Graph: pt_example +# Call Path Object Count Time(ns) Time(%) Branch Count Branch Count(%) +# v- ls +# v- 2638:2638 +# v- _start ld-2.19.so 1 10074071 100.0 211135 100.0 +# |- unknown unknown 1 13198 0.1 1 0.0 +# >- _dl_start ld-2.19.so 1 1400980 13.9 19637 9.3 +# >- _d_linit_internal ld-2.19.so 1 448152 4.4 11094 5.3 +# v-__libc_start_main@plt ls 1 8211741 81.5 180397 85.4 +# >- _dl_fixup ld-2.19.so 1 7607 0.1 108 0.1 +# >- __cxa_atexit libc-2.19.so 1 11737 0.1 10 0.0 +# >- __libc_csu_init ls 1 10354 0.1 10 0.0 +# |- _setjmp libc-2.19.so 1 0 0.0 4 0.0 +# v- main ls 1 8182043 99.6 180254 99.9 +# +# Points to note: +# The top level is a command name (comm) +# The next level is a thread (pid:tid) +# Subsequent levels are functions +# 'Count' is the number of calls +# 'Time' is the elapsed time until the function returns +# Percentages are relative to the level above +# 'Branch Count' is the total number of branches for that function and all +# functions that it calls + +import sys +from PySide.QtCore import * +from PySide.QtGui import * +from PySide.QtSql import * +from decimal import * + +# Data formatting helpers + +def dsoname(name): + if name == "[kernel.kallsyms]": + return "[kernel]" + return name + +# Percent to one decimal place + +def PercentToOneDP(n, d): + if not d: + return "0.0" + x = (n * Decimal(100)) / d + return str(x.quantize(Decimal(".1"), rounding=ROUND_HALF_UP)) + +# Helper for queries that must not fail + +def QueryExec(query, stmt): + ret = query.exec_(stmt) + if not ret: + raise Exception("Query failed: " + query.lastError().text()) + +# Tree data model + +class TreeModel(QAbstractItemModel): + + def __init__(self, root, parent=None): + super(TreeModel, self).__init__(parent) + self.root = root + self.last_row_read = 0 + + def Item(self, parent): + if parent.isValid(): + return parent.internalPointer() + else: + return self.root + + def rowCount(self, parent): + result = self.Item(parent).childCount() + if result < 0: + result = 0 + self.dataChanged.emit(parent, parent) + return result + + def hasChildren(self, parent): + return self.Item(parent).hasChildren() + + def headerData(self, section, orientation, role): + if role == Qt.TextAlignmentRole: + return self.columnAlignment(section) + if role != Qt.DisplayRole: + return None + if orientation != Qt.Horizontal: + return None + return self.columnHeader(section) + + def parent(self, child): + child_item = child.internalPointer() + if child_item is self.root: + return QModelIndex() + parent_item = child_item.getParentItem() + return self.createIndex(parent_item.getRow(), 0, parent_item) + + def index(self, row, column, parent): + child_item = self.Item(parent).getChildItem(row) + return self.createIndex(row, column, child_item) + + def DisplayData(self, item, index): + return item.getData(index.column()) + + def columnAlignment(self, column): + return Qt.AlignLeft + + def columnFont(self, column): + return None + + def data(self, index, role): + if role == Qt.TextAlignmentRole: + return self.columnAlignment(index.column()) + if role == Qt.FontRole: + return self.columnFont(index.column()) + if role != Qt.DisplayRole: + return None + item = index.internalPointer() + return self.DisplayData(item, index) + +# Context-sensitive call graph data model item base + +class CallGraphLevelItemBase(object): + + def __init__(self, glb, row, parent_item): + self.glb = glb + self.row = row + self.parent_item = parent_item + self.query_done = False; + self.child_count = 0 + self.child_items = [] + + def getChildItem(self, row): + return self.child_items[row] + + def getParentItem(self): + return self.parent_item + + def getRow(self): + return self.row + + def childCount(self): + if not self.query_done: + self.Select() + if not self.child_count: + return -1 + return self.child_count + + def hasChildren(self): + if not self.query_done: + return True + return self.child_count > 0 + + def getData(self, column): + return self.data[column] + +# Context-sensitive call graph data model level 2+ item base + +class CallGraphLevelTwoPlusItemBase(CallGraphLevelItemBase): + + def __init__(self, glb, row, comm_id, thread_id, call_path_id, time, branch_count, parent_item): + super(CallGraphLevelTwoPlusItemBase, self).__init__(glb, row, parent_item) + self.comm_id = comm_id + self.thread_id = thread_id + self.call_path_id = call_path_id + self.branch_count = branch_count + self.time = time + + def Select(self): + self.query_done = True; + query = QSqlQuery(self.glb.db) + QueryExec(query, "SELECT call_path_id, name, short_name, COUNT(calls.id), SUM(return_time - call_time), SUM(branch_count)" + " FROM calls" + " INNER JOIN call_paths ON calls.call_path_id = call_paths.id" + " INNER JOIN symbols ON call_paths.symbol_id = symbols.id" + " INNER JOIN dsos ON symbols.dso_id = dsos.id" + " WHERE parent_call_path_id = " + str(self.call_path_id) + + " AND comm_id = " + str(self.comm_id) + + " AND thread_id = " + str(self.thread_id) + + " GROUP BY call_path_id, name, short_name" + " ORDER BY call_path_id") + while query.next(): + child_item = CallGraphLevelThreeItem(self.glb, self.child_count, self.comm_id, self.thread_id, query.value(0), query.value(1), query.value(2), query.value(3), int(query.value(4)), int(query.value(5)), self) + self.child_items.append(child_item) + self.child_count += 1 + +# Context-sensitive call graph data model level three item + +class CallGraphLevelThreeItem(CallGraphLevelTwoPlusItemBase): + + def __init__(self, glb, row, comm_id, thread_id, call_path_id, name, dso, count, time, branch_count, parent_item): + super(CallGraphLevelThreeItem, self).__init__(glb, row, comm_id, thread_id, call_path_id, time, branch_count, parent_item) + dso = dsoname(dso) + self.data = [ name, dso, str(count), str(time), PercentToOneDP(time, parent_item.time), str(branch_count), PercentToOneDP(branch_count, parent_item.branch_count) ] + self.dbid = call_path_id + +# Context-sensitive call graph data model level two item + +class CallGraphLevelTwoItem(CallGraphLevelTwoPlusItemBase): + + def __init__(self, glb, row, comm_id, thread_id, pid, tid, parent_item): + super(CallGraphLevelTwoItem, self).__init__(glb, row, comm_id, thread_id, 1, 0, 0, parent_item) + self.data = [str(pid) + ":" + str(tid), "", "", "", "", "", ""] + self.dbid = thread_id + + def Select(self): + super(CallGraphLevelTwoItem, self).Select() + for child_item in self.child_items: + self.time += child_item.time + self.branch_count += child_item.branch_count + for child_item in self.child_items: + child_item.data[4] = PercentToOneDP(child_item.time, self.time) + child_item.data[6] = PercentToOneDP(child_item.branch_count, self.branch_count) + +# Context-sensitive call graph data model level one item + +class CallGraphLevelOneItem(CallGraphLevelItemBase): + + def __init__(self, glb, row, comm_id, comm, parent_item): + super(CallGraphLevelOneItem, self).__init__(glb, row, parent_item) + self.data = [comm, "", "", "", "", "", ""] + self.dbid = comm_id + + def Select(self): + self.query_done = True; + query = QSqlQuery(self.glb.db) + QueryExec(query, "SELECT thread_id, pid, tid" + " FROM comm_threads" + " INNER JOIN threads ON thread_id = threads.id" + " WHERE comm_id = " + str(self.dbid)) + while query.next(): + child_item = CallGraphLevelTwoItem(self.glb, self.child_count, self.dbid, query.value(0), query.value(1), query.value(2), self) + self.child_items.append(child_item) + self.child_count += 1 + +# Context-sensitive call graph data model root item + +class CallGraphRootItem(CallGraphLevelItemBase): + + def __init__(self, glb): + super(CallGraphRootItem, self).__init__(glb, 0, None) + self.dbid = 0 + self.query_done = True; + query = QSqlQuery(glb.db) + QueryExec(query, "SELECT id, comm FROM comms") + while query.next(): + if not query.value(0): + continue + child_item = CallGraphLevelOneItem(glb, self.child_count, query.value(0), query.value(1), self) + self.child_items.append(child_item) + self.child_count += 1 + +# Context-sensitive call graph data model + +class CallGraphModel(TreeModel): + + def __init__(self, glb, parent=None): + super(CallGraphModel, self).__init__(CallGraphRootItem(glb), parent) + self.glb = glb + + def columnCount(self, parent=None): + return 7 + + def columnHeader(self, column): + headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] + return headers[column] + + def columnAlignment(self, column): + alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ] + return alignment[column] + +# Main window + +class MainWindow(QMainWindow): + + def __init__(self, glb, parent=None): + super(MainWindow, self).__init__(parent) + + self.glb = glb + + self.setWindowTitle("Call Graph: " + glb.dbname) + self.move(100, 100) + self.resize(800, 600) + self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) + self.setMinimumSize(200, 100) + + self.model = CallGraphModel(glb) + + self.view = QTreeView() + self.view.setModel(self.model) + + for c, w in ((0, 250), (1, 100), (2, 60), (3, 70), (4, 70), (5, 100)): + self.view.setColumnWidth(c, w) + + self.setCentralWidget(self.view) + +# Global data + +class Glb(): + + def __init__(self, dbref, db, dbname): + self.dbref = dbref + self.db = db + self.dbname = dbname + self.app = None + self.mainwindow = None + +# Database reference + +class DBRef(): + + def __init__(self, is_sqlite3, dbname): + self.is_sqlite3 = is_sqlite3 + self.dbname = dbname + + def Open(self, connection_name): + dbname = self.dbname + if self.is_sqlite3: + db = QSqlDatabase.addDatabase("QSQLITE", connection_name) + else: + db = QSqlDatabase.addDatabase("QPSQL", connection_name) + opts = dbname.split() + for opt in opts: + if "=" in opt: + opt = opt.split("=") + if opt[0] == "hostname": + db.setHostName(opt[1]) + elif opt[0] == "port": + db.setPort(int(opt[1])) + elif opt[0] == "username": + db.setUserName(opt[1]) + elif opt[0] == "password": + db.setPassword(opt[1]) + elif opt[0] == "dbname": + dbname = opt[1] + else: + dbname = opt + + db.setDatabaseName(dbname) + if not db.open(): + raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text()) + return db, dbname + +# Main + +def Main(): + if (len(sys.argv) < 2): + print >> sys.stderr, "Usage is: exported-sql-viewer.py " + raise Exception("Too few arguments") + + dbname = sys.argv[1] + + is_sqlite3 = False + try: + f = open(dbname) + if f.read(15) == "SQLite format 3": + is_sqlite3 = True + f.close() + except: + pass + + dbref = DBRef(is_sqlite3, dbname) + db, dbname = dbref.Open("main") + glb = Glb(dbref, db, dbname) + app = QApplication(sys.argv) + glb.app = app + mainwindow = MainWindow(glb) + glb.mainwindow = mainwindow + mainwindow.show() + err = app.exec_() + db.close() + sys.exit(err) + +if __name__ == "__main__": + Main() -- cgit v1.2.3-70-g09d2 From 1beb5c7b07040b70975a2ae0e90b87d412fabf06 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:47 +0300 Subject: perf scripts python: exported-sql-viewer.py: Add support for multiple sub-windows Use Qt MDI (multiple document interface) to support multiple sub-windows. Put the data model in a cache so that each sub-window can share the same data. This allows mutiple views of the call-graph at the same time and paves the way to add more reports. Committer testing: Starts with a "File Reports Windows" main menu, from the "Reports" I can get what was available up to now, the "Context-Sensitivi Call Graph" option. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-14-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/exported-sql-viewer.py | 182 +++++++++++++++++++++-- 1 file changed, 173 insertions(+), 9 deletions(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index 03e7a1de7f31..c2f44351821e 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -47,6 +47,8 @@ # functions that it calls import sys +import weakref +import threading from PySide.QtCore import * from PySide.QtGui import * from PySide.QtSql import * @@ -138,6 +140,23 @@ class TreeModel(QAbstractItemModel): item = index.internalPointer() return self.DisplayData(item, index) +# Model cache + +model_cache = weakref.WeakValueDictionary() +model_cache_lock = threading.Lock() + +def LookupCreateModel(model_name, create_fn): + model_cache_lock.acquire() + try: + model = model_cache[model_name] + except: + model = None + if model is None: + model = create_fn() + model_cache[model_name] = model + model_cache_lock.release() + return model + # Context-sensitive call graph data model item base class CallGraphLevelItemBase(object): @@ -289,6 +308,144 @@ class CallGraphModel(TreeModel): alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ] return alignment[column] +# Context-sensitive call graph window + +class CallGraphWindow(QMdiSubWindow): + + def __init__(self, glb, parent=None): + super(CallGraphWindow, self).__init__(parent) + + self.model = LookupCreateModel("Context-Sensitive Call Graph", lambda x=glb: CallGraphModel(x)) + + self.view = QTreeView() + self.view.setModel(self.model) + + for c, w in ((0, 250), (1, 100), (2, 60), (3, 70), (4, 70), (5, 100)): + self.view.setColumnWidth(c, w) + + self.setWidget(self.view) + + AddSubWindow(glb.mainwindow.mdi_area, self, "Context-Sensitive Call Graph") + +# Action Definition + +def CreateAction(label, tip, callback, parent=None, shortcut=None): + action = QAction(label, parent) + if shortcut != None: + action.setShortcuts(shortcut) + action.setStatusTip(tip) + action.triggered.connect(callback) + return action + +# Typical application actions + +def CreateExitAction(app, parent=None): + return CreateAction("&Quit", "Exit the application", app.closeAllWindows, parent, QKeySequence.Quit) + +# Typical MDI actions + +def CreateCloseActiveWindowAction(mdi_area): + return CreateAction("Cl&ose", "Close the active window", mdi_area.closeActiveSubWindow, mdi_area) + +def CreateCloseAllWindowsAction(mdi_area): + return CreateAction("Close &All", "Close all the windows", mdi_area.closeAllSubWindows, mdi_area) + +def CreateTileWindowsAction(mdi_area): + return CreateAction("&Tile", "Tile the windows", mdi_area.tileSubWindows, mdi_area) + +def CreateCascadeWindowsAction(mdi_area): + return CreateAction("&Cascade", "Cascade the windows", mdi_area.cascadeSubWindows, mdi_area) + +def CreateNextWindowAction(mdi_area): + return CreateAction("Ne&xt", "Move the focus to the next window", mdi_area.activateNextSubWindow, mdi_area, QKeySequence.NextChild) + +def CreatePreviousWindowAction(mdi_area): + return CreateAction("Pre&vious", "Move the focus to the previous window", mdi_area.activatePreviousSubWindow, mdi_area, QKeySequence.PreviousChild) + +# Typical MDI window menu + +class WindowMenu(): + + def __init__(self, mdi_area, menu): + self.mdi_area = mdi_area + self.window_menu = menu.addMenu("&Windows") + self.close_active_window = CreateCloseActiveWindowAction(mdi_area) + self.close_all_windows = CreateCloseAllWindowsAction(mdi_area) + self.tile_windows = CreateTileWindowsAction(mdi_area) + self.cascade_windows = CreateCascadeWindowsAction(mdi_area) + self.next_window = CreateNextWindowAction(mdi_area) + self.previous_window = CreatePreviousWindowAction(mdi_area) + self.window_menu.aboutToShow.connect(self.Update) + + def Update(self): + self.window_menu.clear() + sub_window_count = len(self.mdi_area.subWindowList()) + have_sub_windows = sub_window_count != 0 + self.close_active_window.setEnabled(have_sub_windows) + self.close_all_windows.setEnabled(have_sub_windows) + self.tile_windows.setEnabled(have_sub_windows) + self.cascade_windows.setEnabled(have_sub_windows) + self.next_window.setEnabled(have_sub_windows) + self.previous_window.setEnabled(have_sub_windows) + self.window_menu.addAction(self.close_active_window) + self.window_menu.addAction(self.close_all_windows) + self.window_menu.addSeparator() + self.window_menu.addAction(self.tile_windows) + self.window_menu.addAction(self.cascade_windows) + self.window_menu.addSeparator() + self.window_menu.addAction(self.next_window) + self.window_menu.addAction(self.previous_window) + if sub_window_count == 0: + return + self.window_menu.addSeparator() + nr = 1 + for sub_window in self.mdi_area.subWindowList(): + label = str(nr) + " " + sub_window.name + if nr < 10: + label = "&" + label + action = self.window_menu.addAction(label) + action.setCheckable(True) + action.setChecked(sub_window == self.mdi_area.activeSubWindow()) + action.triggered.connect(lambda x=nr: self.setActiveSubWindow(x)) + self.window_menu.addAction(action) + nr += 1 + + def setActiveSubWindow(self, nr): + self.mdi_area.setActiveSubWindow(self.mdi_area.subWindowList()[nr - 1]) + +# Unique name for sub-windows + +def NumberedWindowName(name, nr): + if nr > 1: + name += " <" + str(nr) + ">" + return name + +def UniqueSubWindowName(mdi_area, name): + nr = 1 + while True: + unique_name = NumberedWindowName(name, nr) + ok = True + for sub_window in mdi_area.subWindowList(): + if sub_window.name == unique_name: + ok = False + break + if ok: + return unique_name + nr += 1 + +# Add a sub-window + +def AddSubWindow(mdi_area, sub_window, name): + unique_name = UniqueSubWindowName(mdi_area, name) + sub_window.setMinimumSize(200, 100) + sub_window.resize(800, 600) + sub_window.setWindowTitle(unique_name) + sub_window.setAttribute(Qt.WA_DeleteOnClose) + sub_window.setWindowIcon(sub_window.style().standardIcon(QStyle.SP_FileIcon)) + sub_window.name = unique_name + mdi_area.addSubWindow(sub_window) + sub_window.show() + # Main window class MainWindow(QMainWindow): @@ -298,21 +455,28 @@ class MainWindow(QMainWindow): self.glb = glb - self.setWindowTitle("Call Graph: " + glb.dbname) - self.move(100, 100) - self.resize(800, 600) + self.setWindowTitle("Exported SQL Viewer: " + glb.dbname) self.setWindowIcon(self.style().standardIcon(QStyle.SP_ComputerIcon)) self.setMinimumSize(200, 100) - self.model = CallGraphModel(glb) + self.mdi_area = QMdiArea() + self.mdi_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded) + self.mdi_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded) - self.view = QTreeView() - self.view.setModel(self.model) + self.setCentralWidget(self.mdi_area) - for c, w in ((0, 250), (1, 100), (2, 60), (3, 70), (4, 70), (5, 100)): - self.view.setColumnWidth(c, w) + menu = self.menuBar() + + file_menu = menu.addMenu("&File") + file_menu.addAction(CreateExitAction(glb.app, self)) + + reports_menu = menu.addMenu("&Reports") + reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self)) + + self.window_menu = WindowMenu(self.mdi_area, menu) - self.setCentralWidget(self.view) + def NewCallGraph(self): + CallGraphWindow(self.glb, self) # Global data -- cgit v1.2.3-70-g09d2 From ebd70c7dc2f5f57315e19d959ddc9cb05e9d48e1 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:48 +0300 Subject: perf scripts python: exported-sql-viewer.py: Add ability to find symbols in the call-graph Add a Find bar that appears at the bottom of the call-graph window. Committer testing: Using: python tools/perf/scripts/python/exported-sql-viewer.py pt_example branches calls Using the database built in the first "Committer Testing" section in this patch series I was able to: "Reports" "Context-Sensitive Call Graphs" Control+F or select "Edit" in the top menu then "Find" __poll and find the first place where the "__poll" function appears, then press the down arrow in the lower right corner and go to the next, etc. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-15-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/exported-sql-viewer.py | 306 ++++++++++++++++++++++- 1 file changed, 305 insertions(+), 1 deletion(-) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index c2f44351821e..0386a600ffc7 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -49,6 +49,7 @@ import sys import weakref import threading +import string from PySide.QtCore import * from PySide.QtGui import * from PySide.QtSql import * @@ -76,6 +77,27 @@ def QueryExec(query, stmt): if not ret: raise Exception("Query failed: " + query.lastError().text()) +# Background thread + +class Thread(QThread): + + done = Signal(object) + + def __init__(self, task, param=None, parent=None): + super(Thread, self).__init__(parent) + self.task = task + self.param = param + + def run(self): + while True: + if self.param is None: + done, result = self.task() + else: + done, result = self.task(self.param) + self.done.emit(result) + if done: + break + # Tree data model class TreeModel(QAbstractItemModel): @@ -157,6 +179,125 @@ def LookupCreateModel(model_name, create_fn): model_cache_lock.release() return model +# Find bar + +class FindBar(): + + def __init__(self, parent, finder, is_reg_expr=False): + self.finder = finder + self.context = [] + self.last_value = None + self.last_pattern = None + + label = QLabel("Find:") + label.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed) + + self.textbox = QComboBox() + self.textbox.setEditable(True) + self.textbox.currentIndexChanged.connect(self.ValueChanged) + + self.progress = QProgressBar() + self.progress.setRange(0, 0) + self.progress.hide() + + if is_reg_expr: + self.pattern = QCheckBox("Regular Expression") + else: + self.pattern = QCheckBox("Pattern") + self.pattern.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed) + + self.next_button = QToolButton() + self.next_button.setIcon(parent.style().standardIcon(QStyle.SP_ArrowDown)) + self.next_button.released.connect(lambda: self.NextPrev(1)) + + self.prev_button = QToolButton() + self.prev_button.setIcon(parent.style().standardIcon(QStyle.SP_ArrowUp)) + self.prev_button.released.connect(lambda: self.NextPrev(-1)) + + self.close_button = QToolButton() + self.close_button.setIcon(parent.style().standardIcon(QStyle.SP_DockWidgetCloseButton)) + self.close_button.released.connect(self.Deactivate) + + self.hbox = QHBoxLayout() + self.hbox.setContentsMargins(0, 0, 0, 0) + + self.hbox.addWidget(label) + self.hbox.addWidget(self.textbox) + self.hbox.addWidget(self.progress) + self.hbox.addWidget(self.pattern) + self.hbox.addWidget(self.next_button) + self.hbox.addWidget(self.prev_button) + self.hbox.addWidget(self.close_button) + + self.bar = QWidget() + self.bar.setLayout(self.hbox); + self.bar.hide() + + def Widget(self): + return self.bar + + def Activate(self): + self.bar.show() + self.textbox.setFocus() + + def Deactivate(self): + self.bar.hide() + + def Busy(self): + self.textbox.setEnabled(False) + self.pattern.hide() + self.next_button.hide() + self.prev_button.hide() + self.progress.show() + + def Idle(self): + self.textbox.setEnabled(True) + self.progress.hide() + self.pattern.show() + self.next_button.show() + self.prev_button.show() + + def Find(self, direction): + value = self.textbox.currentText() + pattern = self.pattern.isChecked() + self.last_value = value + self.last_pattern = pattern + self.finder.Find(value, direction, pattern, self.context) + + def ValueChanged(self): + value = self.textbox.currentText() + pattern = self.pattern.isChecked() + index = self.textbox.currentIndex() + data = self.textbox.itemData(index) + # Store the pattern in the combo box to keep it with the text value + if data == None: + self.textbox.setItemData(index, pattern) + else: + self.pattern.setChecked(data) + self.Find(0) + + def NextPrev(self, direction): + value = self.textbox.currentText() + pattern = self.pattern.isChecked() + if value != self.last_value: + index = self.textbox.findText(value) + # Allow for a button press before the value has been added to the combo box + if index < 0: + index = self.textbox.count() + self.textbox.addItem(value, pattern) + self.textbox.setCurrentIndex(index) + return + else: + self.textbox.setItemData(index, pattern) + elif pattern != self.last_pattern: + # Keep the pattern recorded in the combo box up to date + index = self.textbox.currentIndex() + self.textbox.setItemData(index, pattern) + self.Find(direction) + + def NotFound(self): + QMessageBox.information(self.bar, "Find", "'" + self.textbox.currentText() + "' not found") + # Context-sensitive call graph data model item base class CallGraphLevelItemBase(object): @@ -308,6 +449,123 @@ class CallGraphModel(TreeModel): alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ] return alignment[column] + def FindSelect(self, value, pattern, query): + if pattern: + # postgresql and sqlite pattern patching differences: + # postgresql LIKE is case sensitive but sqlite LIKE is not + # postgresql LIKE allows % and _ to be escaped with \ but sqlite LIKE does not + # postgresql supports ILIKE which is case insensitive + # sqlite supports GLOB (text only) which uses * and ? and is case sensitive + if not self.glb.dbref.is_sqlite3: + # Escape % and _ + s = value.replace("%", "\%") + s = s.replace("_", "\_") + # Translate * and ? into SQL LIKE pattern characters % and _ + trans = string.maketrans("*?", "%_") + match = " LIKE '" + str(s).translate(trans) + "'" + else: + match = " GLOB '" + str(value) + "'" + else: + match = " = '" + str(value) + "'" + QueryExec(query, "SELECT call_path_id, comm_id, thread_id" + " FROM calls" + " INNER JOIN call_paths ON calls.call_path_id = call_paths.id" + " INNER JOIN symbols ON call_paths.symbol_id = symbols.id" + " WHERE symbols.name" + match + + " GROUP BY comm_id, thread_id, call_path_id" + " ORDER BY comm_id, thread_id, call_path_id") + + def FindPath(self, query): + # Turn the query result into a list of ids that the tree view can walk + # to open the tree at the right place. + ids = [] + parent_id = query.value(0) + while parent_id: + ids.insert(0, parent_id) + q2 = QSqlQuery(self.glb.db) + QueryExec(q2, "SELECT parent_id" + " FROM call_paths" + " WHERE id = " + str(parent_id)) + if not q2.next(): + break + parent_id = q2.value(0) + # The call path root is not used + if ids[0] == 1: + del ids[0] + ids.insert(0, query.value(2)) + ids.insert(0, query.value(1)) + return ids + + def Found(self, query, found): + if found: + return self.FindPath(query) + return [] + + def FindValue(self, value, pattern, query, last_value, last_pattern): + if last_value == value and pattern == last_pattern: + found = query.first() + else: + self.FindSelect(value, pattern, query) + found = query.next() + return self.Found(query, found) + + def FindNext(self, query): + found = query.next() + if not found: + found = query.first() + return self.Found(query, found) + + def FindPrev(self, query): + found = query.previous() + if not found: + found = query.last() + return self.Found(query, found) + + def FindThread(self, c): + if c.direction == 0 or c.value != c.last_value or c.pattern != c.last_pattern: + ids = self.FindValue(c.value, c.pattern, c.query, c.last_value, c.last_pattern) + elif c.direction > 0: + ids = self.FindNext(c.query) + else: + ids = self.FindPrev(c.query) + return (True, ids) + + def Find(self, value, direction, pattern, context, callback): + class Context(): + def __init__(self, *x): + self.value, self.direction, self.pattern, self.query, self.last_value, self.last_pattern = x + def Update(self, *x): + self.value, self.direction, self.pattern, self.last_value, self.last_pattern = x + (self.value, self.pattern) + if len(context): + context[0].Update(value, direction, pattern) + else: + context.append(Context(value, direction, pattern, QSqlQuery(self.glb.db), None, None)) + # Use a thread so the UI is not blocked during the SELECT + thread = Thread(self.FindThread, context[0]) + thread.done.connect(lambda ids, t=thread, c=callback: self.FindDone(t, c, ids), Qt.QueuedConnection) + thread.start() + + def FindDone(self, thread, callback, ids): + callback(ids) + +# Vertical widget layout + +class VBox(): + + def __init__(self, w1, w2, w3=None): + self.vbox = QWidget() + self.vbox.setLayout(QVBoxLayout()); + + self.vbox.layout().setContentsMargins(0, 0, 0, 0) + + self.vbox.layout().addWidget(w1) + self.vbox.layout().addWidget(w2) + if w3: + self.vbox.layout().addWidget(w3) + + def Widget(self): + return self.vbox + # Context-sensitive call graph window class CallGraphWindow(QMdiSubWindow): @@ -323,10 +581,45 @@ class CallGraphWindow(QMdiSubWindow): for c, w in ((0, 250), (1, 100), (2, 60), (3, 70), (4, 70), (5, 100)): self.view.setColumnWidth(c, w) - self.setWidget(self.view) + self.find_bar = FindBar(self, self) + + self.vbox = VBox(self.view, self.find_bar.Widget()) + + self.setWidget(self.vbox.Widget()) AddSubWindow(glb.mainwindow.mdi_area, self, "Context-Sensitive Call Graph") + def DisplayFound(self, ids): + if not len(ids): + return False + parent = QModelIndex() + for dbid in ids: + found = False + n = self.model.rowCount(parent) + for row in xrange(n): + child = self.model.index(row, 0, parent) + if child.internalPointer().dbid == dbid: + found = True + self.view.setCurrentIndex(child) + parent = child + break + if not found: + break + return found + + def Find(self, value, direction, pattern, context): + self.view.setFocus() + self.find_bar.Busy() + self.model.Find(value, direction, pattern, context, self.FindDone) + + def FindDone(self, ids): + found = True + if not self.DisplayFound(ids): + found = False + self.find_bar.Idle() + if not found: + self.find_bar.NotFound() + # Action Definition def CreateAction(label, tip, callback, parent=None, shortcut=None): @@ -470,11 +763,22 @@ class MainWindow(QMainWindow): file_menu = menu.addMenu("&File") file_menu.addAction(CreateExitAction(glb.app, self)) + edit_menu = menu.addMenu("&Edit") + edit_menu.addAction(CreateAction("&Find...", "Find items", self.Find, self, QKeySequence.Find)) + reports_menu = menu.addMenu("&Reports") reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self)) self.window_menu = WindowMenu(self.mdi_area, menu) + def Find(self): + win = self.mdi_area.activeSubWindow() + if win: + try: + win.find_bar.Activate() + except: + pass + def NewCallGraph(self): CallGraphWindow(self.glb, self) -- cgit v1.2.3-70-g09d2 From 82f68e2898e634b8b0efc7ddd57e037ef75ea114 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:49 +0300 Subject: perf scripts python: exported-sql-viewer.py: Add ability to shrink / enlarge font Shrinking the font allows more information to display. Committer testing: Works, tested with the convenient Control+Shift+'+' and Control+'-' as well with the more cumbersome top menu "Edit" + "Enlarge/Shrink font" options. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-16-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/exported-sql-viewer.py | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index 0386a600ffc7..310ba7147583 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -706,6 +706,20 @@ class WindowMenu(): def setActiveSubWindow(self, nr): self.mdi_area.setActiveSubWindow(self.mdi_area.subWindowList()[nr - 1]) +# Font resize + +def ResizeFont(widget, diff): + font = widget.font() + sz = font.pointSize() + font.setPointSize(sz + diff) + widget.setFont(font) + +def ShrinkFont(widget): + ResizeFont(widget, -1) + +def EnlargeFont(widget): + ResizeFont(widget, 1) + # Unique name for sub-windows def NumberedWindowName(name, nr): @@ -765,6 +779,8 @@ class MainWindow(QMainWindow): edit_menu = menu.addMenu("&Edit") edit_menu.addAction(CreateAction("&Find...", "Find items", self.Find, self, QKeySequence.Find)) + edit_menu.addAction(CreateAction("&Shrink Font", "Make text smaller", self.ShrinkFont, self, [QKeySequence("Ctrl+-")])) + edit_menu.addAction(CreateAction("&Enlarge Font", "Make text bigger", self.EnlargeFont, self, [QKeySequence("Ctrl++")])) reports_menu = menu.addMenu("&Reports") reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self)) @@ -779,6 +795,14 @@ class MainWindow(QMainWindow): except: pass + def ShrinkFont(self): + win = self.mdi_area.activeSubWindow() + ShrinkFont(win.view) + + def EnlargeFont(self): + win = self.mdi_area.activeSubWindow() + EnlargeFont(win.view) + def NewCallGraph(self): CallGraphWindow(self.glb, self) -- cgit v1.2.3-70-g09d2 From 8392b74b575c38fa5d50d1fe07fa9a4bcea93862 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 1 Oct 2018 09:28:50 +0300 Subject: perf scripts python: exported-sql-viewer.py: Add ability to display all the database tables Displaying all the database tables can help make the database easier to understand. Committer testing: Opened all the tables, even the sqlite master table, which I selected everything and used control+C, lets see if it works... CREATE VIEW threads_view AS SELECT id,machine_id,(SELECT host_or_guest FROM machines_view WHERE id = machine_id) AS host_or_guest,process_id,pid,tid FROM threads Humm, nope, just one of the cells got copied, even with everything selected :-) Anyway, works as advertised, useful for perusing the data. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181001062853.28285-17-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/exported-sql-viewer.py | 694 +++++++++++++++++++++++ 1 file changed, 694 insertions(+) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index 310ba7147583..ef822d850109 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -50,10 +50,15 @@ import sys import weakref import threading import string +import cPickle +import re +import os from PySide.QtCore import * from PySide.QtGui import * from PySide.QtSql import * from decimal import * +from ctypes import * +from multiprocessing import Process, Array, Value, Event # Data formatting helpers @@ -146,6 +151,68 @@ class TreeModel(QAbstractItemModel): def DisplayData(self, item, index): return item.getData(index.column()) + def FetchIfNeeded(self, row): + if row > self.last_row_read: + self.last_row_read = row + if row + 10 >= self.root.child_count: + self.fetcher.Fetch(glb_chunk_sz) + + def columnAlignment(self, column): + return Qt.AlignLeft + + def columnFont(self, column): + return None + + def data(self, index, role): + if role == Qt.TextAlignmentRole: + return self.columnAlignment(index.column()) + if role == Qt.FontRole: + return self.columnFont(index.column()) + if role != Qt.DisplayRole: + return None + item = index.internalPointer() + return self.DisplayData(item, index) + +# Table data model + +class TableModel(QAbstractTableModel): + + def __init__(self, parent=None): + super(TableModel, self).__init__(parent) + self.child_count = 0 + self.child_items = [] + self.last_row_read = 0 + + def Item(self, parent): + if parent.isValid(): + return parent.internalPointer() + else: + return self + + def rowCount(self, parent): + return self.child_count + + def headerData(self, section, orientation, role): + if role == Qt.TextAlignmentRole: + return self.columnAlignment(section) + if role != Qt.DisplayRole: + return None + if orientation != Qt.Horizontal: + return None + return self.columnHeader(section) + + def index(self, row, column, parent): + return self.createIndex(row, column, self.child_items[row]) + + def DisplayData(self, item, index): + return item.getData(index.column()) + + def FetchIfNeeded(self, row): + if row > self.last_row_read: + self.last_row_read = row + if row + 10 >= self.child_count: + self.fetcher.Fetch(glb_chunk_sz) + def columnAlignment(self, column): return Qt.AlignLeft @@ -620,6 +687,601 @@ class CallGraphWindow(QMdiSubWindow): if not found: self.find_bar.NotFound() +# Child data item finder + +class ChildDataItemFinder(): + + def __init__(self, root): + self.root = root + self.value, self.direction, self.pattern, self.last_value, self.last_pattern = (None,) * 5 + self.rows = [] + self.pos = 0 + + def FindSelect(self): + self.rows = [] + if self.pattern: + pattern = re.compile(self.value) + for child in self.root.child_items: + for column_data in child.data: + if re.search(pattern, str(column_data)) is not None: + self.rows.append(child.row) + break + else: + for child in self.root.child_items: + for column_data in child.data: + if self.value in str(column_data): + self.rows.append(child.row) + break + + def FindValue(self): + self.pos = 0 + if self.last_value != self.value or self.pattern != self.last_pattern: + self.FindSelect() + if not len(self.rows): + return -1 + return self.rows[self.pos] + + def FindThread(self): + if self.direction == 0 or self.value != self.last_value or self.pattern != self.last_pattern: + row = self.FindValue() + elif len(self.rows): + if self.direction > 0: + self.pos += 1 + if self.pos >= len(self.rows): + self.pos = 0 + else: + self.pos -= 1 + if self.pos < 0: + self.pos = len(self.rows) - 1 + row = self.rows[self.pos] + else: + row = -1 + return (True, row) + + def Find(self, value, direction, pattern, context, callback): + self.value, self.direction, self.pattern, self.last_value, self.last_pattern = (value, direction,pattern, self.value, self.pattern) + # Use a thread so the UI is not blocked + thread = Thread(self.FindThread) + thread.done.connect(lambda row, t=thread, c=callback: self.FindDone(t, c, row), Qt.QueuedConnection) + thread.start() + + def FindDone(self, thread, callback, row): + callback(row) + +# Number of database records to fetch in one go + +glb_chunk_sz = 10000 + +# size of pickled integer big enough for record size + +glb_nsz = 8 + +# Background process for SQL data fetcher + +class SQLFetcherProcess(): + + def __init__(self, dbref, sql, buffer, head, tail, fetch_count, fetching_done, process_target, wait_event, fetched_event, prep): + # Need a unique connection name + conn_name = "SQLFetcher" + str(os.getpid()) + self.db, dbname = dbref.Open(conn_name) + self.sql = sql + self.buffer = buffer + self.head = head + self.tail = tail + self.fetch_count = fetch_count + self.fetching_done = fetching_done + self.process_target = process_target + self.wait_event = wait_event + self.fetched_event = fetched_event + self.prep = prep + self.query = QSqlQuery(self.db) + self.query_limit = 0 if "$$last_id$$" in sql else 2 + self.last_id = -1 + self.fetched = 0 + self.more = True + self.local_head = self.head.value + self.local_tail = self.tail.value + + def Select(self): + if self.query_limit: + if self.query_limit == 1: + return + self.query_limit -= 1 + stmt = self.sql.replace("$$last_id$$", str(self.last_id)) + QueryExec(self.query, stmt) + + def Next(self): + if not self.query.next(): + self.Select() + if not self.query.next(): + return None + self.last_id = self.query.value(0) + return self.prep(self.query) + + def WaitForTarget(self): + while True: + self.wait_event.clear() + target = self.process_target.value + if target > self.fetched or target < 0: + break + self.wait_event.wait() + return target + + def HasSpace(self, sz): + if self.local_tail <= self.local_head: + space = len(self.buffer) - self.local_head + if space > sz: + return True + if space >= glb_nsz: + # Use 0 (or space < glb_nsz) to mean there is no more at the top of the buffer + nd = cPickle.dumps(0, cPickle.HIGHEST_PROTOCOL) + self.buffer[self.local_head : self.local_head + len(nd)] = nd + self.local_head = 0 + if self.local_tail - self.local_head > sz: + return True + return False + + def WaitForSpace(self, sz): + if self.HasSpace(sz): + return + while True: + self.wait_event.clear() + self.local_tail = self.tail.value + if self.HasSpace(sz): + return + self.wait_event.wait() + + def AddToBuffer(self, obj): + d = cPickle.dumps(obj, cPickle.HIGHEST_PROTOCOL) + n = len(d) + nd = cPickle.dumps(n, cPickle.HIGHEST_PROTOCOL) + sz = n + glb_nsz + self.WaitForSpace(sz) + pos = self.local_head + self.buffer[pos : pos + len(nd)] = nd + self.buffer[pos + glb_nsz : pos + sz] = d + self.local_head += sz + + def FetchBatch(self, batch_size): + fetched = 0 + while batch_size > fetched: + obj = self.Next() + if obj is None: + self.more = False + break + self.AddToBuffer(obj) + fetched += 1 + if fetched: + self.fetched += fetched + with self.fetch_count.get_lock(): + self.fetch_count.value += fetched + self.head.value = self.local_head + self.fetched_event.set() + + def Run(self): + while self.more: + target = self.WaitForTarget() + if target < 0: + break + batch_size = min(glb_chunk_sz, target - self.fetched) + self.FetchBatch(batch_size) + self.fetching_done.value = True + self.fetched_event.set() + +def SQLFetcherFn(*x): + process = SQLFetcherProcess(*x) + process.Run() + +# SQL data fetcher + +class SQLFetcher(QObject): + + done = Signal(object) + + def __init__(self, glb, sql, prep, process_data, parent=None): + super(SQLFetcher, self).__init__(parent) + self.process_data = process_data + self.more = True + self.target = 0 + self.last_target = 0 + self.fetched = 0 + self.buffer_size = 16 * 1024 * 1024 + self.buffer = Array(c_char, self.buffer_size, lock=False) + self.head = Value(c_longlong) + self.tail = Value(c_longlong) + self.local_tail = 0 + self.fetch_count = Value(c_longlong) + self.fetching_done = Value(c_bool) + self.last_count = 0 + self.process_target = Value(c_longlong) + self.wait_event = Event() + self.fetched_event = Event() + glb.AddInstanceToShutdownOnExit(self) + self.process = Process(target=SQLFetcherFn, args=(glb.dbref, sql, self.buffer, self.head, self.tail, self.fetch_count, self.fetching_done, self.process_target, self.wait_event, self.fetched_event, prep)) + self.process.start() + self.thread = Thread(self.Thread) + self.thread.done.connect(self.ProcessData, Qt.QueuedConnection) + self.thread.start() + + def Shutdown(self): + # Tell the thread and process to exit + self.process_target.value = -1 + self.wait_event.set() + self.more = False + self.fetching_done.value = True + self.fetched_event.set() + + def Thread(self): + if not self.more: + return True, 0 + while True: + self.fetched_event.clear() + fetch_count = self.fetch_count.value + if fetch_count != self.last_count: + break + if self.fetching_done.value: + self.more = False + return True, 0 + self.fetched_event.wait() + count = fetch_count - self.last_count + self.last_count = fetch_count + self.fetched += count + return False, count + + def Fetch(self, nr): + if not self.more: + # -1 inidcates there are no more + return -1 + result = self.fetched + extra = result + nr - self.target + if extra > 0: + self.target += extra + # process_target < 0 indicates shutting down + if self.process_target.value >= 0: + self.process_target.value = self.target + self.wait_event.set() + return result + + def RemoveFromBuffer(self): + pos = self.local_tail + if len(self.buffer) - pos < glb_nsz: + pos = 0 + n = cPickle.loads(self.buffer[pos : pos + glb_nsz]) + if n == 0: + pos = 0 + n = cPickle.loads(self.buffer[0 : glb_nsz]) + pos += glb_nsz + obj = cPickle.loads(self.buffer[pos : pos + n]) + self.local_tail = pos + n + return obj + + def ProcessData(self, count): + for i in xrange(count): + obj = self.RemoveFromBuffer() + self.process_data(obj) + self.tail.value = self.local_tail + self.wait_event.set() + self.done.emit(count) + +# Fetch more records bar + +class FetchMoreRecordsBar(): + + def __init__(self, model, parent): + self.model = model + + self.label = QLabel("Number of records (x " + "{:,}".format(glb_chunk_sz) + ") to fetch:") + self.label.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed) + + self.fetch_count = QSpinBox() + self.fetch_count.setRange(1, 1000000) + self.fetch_count.setValue(10) + self.fetch_count.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed) + + self.fetch = QPushButton("Go!") + self.fetch.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed) + self.fetch.released.connect(self.FetchMoreRecords) + + self.progress = QProgressBar() + self.progress.setRange(0, 100) + self.progress.hide() + + self.done_label = QLabel("All records fetched") + self.done_label.hide() + + self.spacer = QLabel("") + + self.close_button = QToolButton() + self.close_button.setIcon(parent.style().standardIcon(QStyle.SP_DockWidgetCloseButton)) + self.close_button.released.connect(self.Deactivate) + + self.hbox = QHBoxLayout() + self.hbox.setContentsMargins(0, 0, 0, 0) + + self.hbox.addWidget(self.label) + self.hbox.addWidget(self.fetch_count) + self.hbox.addWidget(self.fetch) + self.hbox.addWidget(self.spacer) + self.hbox.addWidget(self.progress) + self.hbox.addWidget(self.done_label) + self.hbox.addWidget(self.close_button) + + self.bar = QWidget() + self.bar.setLayout(self.hbox); + self.bar.show() + + self.in_progress = False + self.model.progress.connect(self.Progress) + + self.done = False + + if not model.HasMoreRecords(): + self.Done() + + def Widget(self): + return self.bar + + def Activate(self): + self.bar.show() + self.fetch.setFocus() + + def Deactivate(self): + self.bar.hide() + + def Enable(self, enable): + self.fetch.setEnabled(enable) + self.fetch_count.setEnabled(enable) + + def Busy(self): + self.Enable(False) + self.fetch.hide() + self.spacer.hide() + self.progress.show() + + def Idle(self): + self.in_progress = False + self.Enable(True) + self.progress.hide() + self.fetch.show() + self.spacer.show() + + def Target(self): + return self.fetch_count.value() * glb_chunk_sz + + def Done(self): + self.done = True + self.Idle() + self.label.hide() + self.fetch_count.hide() + self.fetch.hide() + self.spacer.hide() + self.done_label.show() + + def Progress(self, count): + if self.in_progress: + if count: + percent = ((count - self.start) * 100) / self.Target() + if percent >= 100: + self.Idle() + else: + self.progress.setValue(percent) + if not count: + # Count value of zero means no more records + self.Done() + + def FetchMoreRecords(self): + if self.done: + return + self.progress.setValue(0) + self.Busy() + self.in_progress = True + self.start = self.model.FetchMoreRecords(self.Target()) + +# SQL data preparation + +def SQLTableDataPrep(query, count): + data = [] + for i in xrange(count): + data.append(query.value(i)) + return data + +# SQL table data model item + +class SQLTableItem(): + + def __init__(self, row, data): + self.row = row + self.data = data + + def getData(self, column): + return self.data[column] + +# SQL table data model + +class SQLTableModel(TableModel): + + progress = Signal(object) + + def __init__(self, glb, sql, column_count, parent=None): + super(SQLTableModel, self).__init__(parent) + self.glb = glb + self.more = True + self.populated = 0 + self.fetcher = SQLFetcher(glb, sql, lambda x, y=column_count: SQLTableDataPrep(x, y), self.AddSample) + self.fetcher.done.connect(self.Update) + self.fetcher.Fetch(glb_chunk_sz) + + def DisplayData(self, item, index): + self.FetchIfNeeded(item.row) + return item.getData(index.column()) + + def AddSample(self, data): + child = SQLTableItem(self.populated, data) + self.child_items.append(child) + self.populated += 1 + + def Update(self, fetched): + if not fetched: + self.more = False + self.progress.emit(0) + child_count = self.child_count + count = self.populated - child_count + if count > 0: + parent = QModelIndex() + self.beginInsertRows(parent, child_count, child_count + count - 1) + self.insertRows(child_count, count, parent) + self.child_count += count + self.endInsertRows() + self.progress.emit(self.child_count) + + def FetchMoreRecords(self, count): + current = self.child_count + if self.more: + self.fetcher.Fetch(count) + else: + self.progress.emit(0) + return current + + def HasMoreRecords(self): + return self.more + +# SQL automatic table data model + +class SQLAutoTableModel(SQLTableModel): + + def __init__(self, glb, table_name, parent=None): + sql = "SELECT * FROM " + table_name + " WHERE id > $$last_id$$ ORDER BY id LIMIT " + str(glb_chunk_sz) + if table_name == "comm_threads_view": + # For now, comm_threads_view has no id column + sql = "SELECT * FROM " + table_name + " WHERE comm_id > $$last_id$$ ORDER BY comm_id LIMIT " + str(glb_chunk_sz) + self.column_headers = [] + query = QSqlQuery(glb.db) + if glb.dbref.is_sqlite3: + QueryExec(query, "PRAGMA table_info(" + table_name + ")") + while query.next(): + self.column_headers.append(query.value(1)) + if table_name == "sqlite_master": + sql = "SELECT * FROM " + table_name + else: + if table_name[:19] == "information_schema.": + sql = "SELECT * FROM " + table_name + select_table_name = table_name[19:] + schema = "information_schema" + else: + select_table_name = table_name + schema = "public" + QueryExec(query, "SELECT column_name FROM information_schema.columns WHERE table_schema = '" + schema + "' and table_name = '" + select_table_name + "'") + while query.next(): + self.column_headers.append(query.value(0)) + super(SQLAutoTableModel, self).__init__(glb, sql, len(self.column_headers), parent) + + def columnCount(self, parent=None): + return len(self.column_headers) + + def columnHeader(self, column): + return self.column_headers[column] + +# Base class for custom ResizeColumnsToContents + +class ResizeColumnsToContentsBase(QObject): + + def __init__(self, parent=None): + super(ResizeColumnsToContentsBase, self).__init__(parent) + + def ResizeColumnToContents(self, column, n): + # Using the view's resizeColumnToContents() here is extrememly slow + # so implement a crude alternative + font = self.view.font() + metrics = QFontMetrics(font) + max = 0 + for row in xrange(n): + val = self.data_model.child_items[row].data[column] + len = metrics.width(str(val) + "MM") + max = len if len > max else max + val = self.data_model.columnHeader(column) + len = metrics.width(str(val) + "MM") + max = len if len > max else max + self.view.setColumnWidth(column, max) + + def ResizeColumnsToContents(self): + n = min(self.data_model.child_count, 100) + if n < 1: + # No data yet, so connect a signal to notify when there is + self.data_model.rowsInserted.connect(self.UpdateColumnWidths) + return + columns = self.data_model.columnCount() + for i in xrange(columns): + self.ResizeColumnToContents(i, n) + + def UpdateColumnWidths(self, *x): + # This only needs to be done once, so disconnect the signal now + self.data_model.rowsInserted.disconnect(self.UpdateColumnWidths) + self.ResizeColumnsToContents() + +# Table window + +class TableWindow(QMdiSubWindow, ResizeColumnsToContentsBase): + + def __init__(self, glb, table_name, parent=None): + super(TableWindow, self).__init__(parent) + + self.data_model = LookupCreateModel(table_name + " Table", lambda: SQLAutoTableModel(glb, table_name)) + + self.model = QSortFilterProxyModel() + self.model.setSourceModel(self.data_model) + + self.view = QTableView() + self.view.setModel(self.model) + self.view.setEditTriggers(QAbstractItemView.NoEditTriggers) + self.view.verticalHeader().setVisible(False) + self.view.sortByColumn(-1, Qt.AscendingOrder) + self.view.setSortingEnabled(True) + + self.ResizeColumnsToContents() + + self.find_bar = FindBar(self, self, True) + + self.finder = ChildDataItemFinder(self.data_model) + + self.fetch_bar = FetchMoreRecordsBar(self.data_model, self) + + self.vbox = VBox(self.view, self.find_bar.Widget(), self.fetch_bar.Widget()) + + self.setWidget(self.vbox.Widget()) + + AddSubWindow(glb.mainwindow.mdi_area, self, table_name + " Table") + + def Find(self, value, direction, pattern, context): + self.view.setFocus() + self.find_bar.Busy() + self.finder.Find(value, direction, pattern, context, self.FindDone) + + def FindDone(self, row): + self.find_bar.Idle() + if row >= 0: + self.view.setCurrentIndex(self.model.index(row, 0, QModelIndex())) + else: + self.find_bar.NotFound() + +# Table list + +def GetTableList(glb): + tables = [] + query = QSqlQuery(glb.db) + if glb.dbref.is_sqlite3: + QueryExec(query, "SELECT name FROM sqlite_master WHERE type IN ( 'table' , 'view' ) ORDER BY name") + else: + QueryExec(query, "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public' AND table_type IN ( 'BASE TABLE' , 'VIEW' ) ORDER BY table_name") + while query.next(): + tables.append(query.value(0)) + if glb.dbref.is_sqlite3: + tables.append("sqlite_master") + else: + tables.append("information_schema.tables") + tables.append("information_schema.views") + tables.append("information_schema.columns") + return tables + # Action Definition def CreateAction(label, tip, callback, parent=None, shortcut=None): @@ -779,12 +1441,15 @@ class MainWindow(QMainWindow): edit_menu = menu.addMenu("&Edit") edit_menu.addAction(CreateAction("&Find...", "Find items", self.Find, self, QKeySequence.Find)) + edit_menu.addAction(CreateAction("Fetch &more records...", "Fetch more records", self.FetchMoreRecords, self, [QKeySequence(Qt.Key_F8)])) edit_menu.addAction(CreateAction("&Shrink Font", "Make text smaller", self.ShrinkFont, self, [QKeySequence("Ctrl+-")])) edit_menu.addAction(CreateAction("&Enlarge Font", "Make text bigger", self.EnlargeFont, self, [QKeySequence("Ctrl++")])) reports_menu = menu.addMenu("&Reports") reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self)) + self.TableMenu(GetTableList(glb), menu) + self.window_menu = WindowMenu(self.mdi_area, menu) def Find(self): @@ -795,6 +1460,14 @@ class MainWindow(QMainWindow): except: pass + def FetchMoreRecords(self): + win = self.mdi_area.activeSubWindow() + if win: + try: + win.fetch_bar.Activate() + except: + pass + def ShrinkFont(self): win = self.mdi_area.activeSubWindow() ShrinkFont(win.view) @@ -803,9 +1476,17 @@ class MainWindow(QMainWindow): win = self.mdi_area.activeSubWindow() EnlargeFont(win.view) + def TableMenu(self, tables, menu): + table_menu = menu.addMenu("&Tables") + for table in tables: + table_menu.addAction(CreateAction(table, "Create a new window containing a table view", lambda t=table: self.NewTableView(t), self)) + def NewCallGraph(self): CallGraphWindow(self.glb, self) + def NewTableView(self, table_name): + TableWindow(self.glb, table_name, self) + # Global data class Glb(): @@ -816,6 +1497,18 @@ class Glb(): self.dbname = dbname self.app = None self.mainwindow = None + self.instances_to_shutdown_on_exit = weakref.WeakSet() + + def AddInstanceToShutdownOnExit(self, instance): + self.instances_to_shutdown_on_exit.add(instance) + + # Shutdown any background processes or threads + def ShutdownInstances(self): + for x in self.instances_to_shutdown_on_exit: + try: + x.Shutdown() + except: + pass # Database reference @@ -880,6 +1573,7 @@ def Main(): glb.mainwindow = mainwindow mainwindow.show() err = app.exec_() + glb.ShutdownInstances() db.close() sys.exit(err) -- cgit v1.2.3-70-g09d2 From 76099f98aea4606f7c96b8d2366b46840529d08f Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 23 Oct 2018 10:59:49 +0300 Subject: perf scripts python: exported-sql-viewer.py: Add All branches report Add a report to display branches in a similar fashion to perf script. The main purpose of this report is to display disassembly, however, presently, the only supported disassembler is Intel XED, and additionally the object code must be present in perf build ID cache. To use Intel XED, libxed.so must be present. To build and install libxed.so: git clone https://github.com/intelxed/mbuild.git mbuild git clone https://github.com/intelxed/xed cd xed ./mfile.py --share sudo ./mfile.py --prefix=/usr/local install sudo ldconfig Signed-off-by: Adrian Hunter Cc: Andi Kleen Cc: Jiri Olsa Link: http://lkml.kernel.org/r/20181023075949.18920-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/exported-sql-viewer.py | 547 +++++++++++++++++++++++ 1 file changed, 547 insertions(+) (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index ef822d850109..24cb0bd56afa 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -46,6 +46,48 @@ # 'Branch Count' is the total number of branches for that function and all # functions that it calls +# There is also a "All branches" report, which displays branches and +# possibly disassembly. However, presently, the only supported disassembler is +# Intel XED, and additionally the object code must be present in perf build ID +# cache. To use Intel XED, libxed.so must be present. To build and install +# libxed.so: +# git clone https://github.com/intelxed/mbuild.git mbuild +# git clone https://github.com/intelxed/xed +# cd xed +# ./mfile.py --share +# sudo ./mfile.py --prefix=/usr/local install +# sudo ldconfig +# +# Example report: +# +# Time CPU Command PID TID Branch Type In Tx Branch +# 8107675239590 2 ls 22011 22011 return from interrupt No ffffffff86a00a67 native_irq_return_iret ([kernel]) -> 7fab593ea260 _start (ld-2.19.so) +# 7fab593ea260 48 89 e7 mov %rsp, %rdi +# 8107675239899 2 ls 22011 22011 hardware interrupt No 7fab593ea260 _start (ld-2.19.so) -> ffffffff86a012e0 page_fault ([kernel]) +# 8107675241900 2 ls 22011 22011 return from interrupt No ffffffff86a00a67 native_irq_return_iret ([kernel]) -> 7fab593ea260 _start (ld-2.19.so) +# 7fab593ea260 48 89 e7 mov %rsp, %rdi +# 7fab593ea263 e8 c8 06 00 00 callq 0x7fab593ea930 +# 8107675241900 2 ls 22011 22011 call No 7fab593ea263 _start+0x3 (ld-2.19.so) -> 7fab593ea930 _dl_start (ld-2.19.so) +# 7fab593ea930 55 pushq %rbp +# 7fab593ea931 48 89 e5 mov %rsp, %rbp +# 7fab593ea934 41 57 pushq %r15 +# 7fab593ea936 41 56 pushq %r14 +# 7fab593ea938 41 55 pushq %r13 +# 7fab593ea93a 41 54 pushq %r12 +# 7fab593ea93c 53 pushq %rbx +# 7fab593ea93d 48 89 fb mov %rdi, %rbx +# 7fab593ea940 48 83 ec 68 sub $0x68, %rsp +# 7fab593ea944 0f 31 rdtsc +# 7fab593ea946 48 c1 e2 20 shl $0x20, %rdx +# 7fab593ea94a 89 c0 mov %eax, %eax +# 7fab593ea94c 48 09 c2 or %rax, %rdx +# 7fab593ea94f 48 8b 05 1a 15 22 00 movq 0x22151a(%rip), %rax +# 8107675242232 2 ls 22011 22011 hardware interrupt No 7fab593ea94f _dl_start+0x1f (ld-2.19.so) -> ffffffff86a012e0 page_fault ([kernel]) +# 8107675242900 2 ls 22011 22011 return from interrupt No ffffffff86a00a67 native_irq_return_iret ([kernel]) -> 7fab593ea94f _dl_start+0x1f (ld-2.19.so) +# 7fab593ea94f 48 8b 05 1a 15 22 00 movq 0x22151a(%rip), %rax +# 7fab593ea956 48 89 15 3b 13 22 00 movq %rdx, 0x22133b(%rip) +# 8107675243232 2 ls 22011 22011 hardware interrupt No 7fab593ea956 _dl_start+0x26 (ld-2.19.so) -> ffffffff86a012e0 page_fault ([kernel]) + import sys import weakref import threading @@ -62,6 +104,16 @@ from multiprocessing import Process, Array, Value, Event # Data formatting helpers +def tohex(ip): + if ip < 0: + ip += 1 << 64 + return "%x" % ip + +def offstr(offset): + if offset: + return "+0x%x" % offset + return "" + def dsoname(name): if name == "[kernel.kallsyms]": return "[kernel]" @@ -1077,6 +1129,351 @@ class FetchMoreRecordsBar(): self.in_progress = True self.start = self.model.FetchMoreRecords(self.Target()) +# Brance data model level two item + +class BranchLevelTwoItem(): + + def __init__(self, row, text, parent_item): + self.row = row + self.parent_item = parent_item + self.data = [""] * 8 + self.data[7] = text + self.level = 2 + + def getParentItem(self): + return self.parent_item + + def getRow(self): + return self.row + + def childCount(self): + return 0 + + def hasChildren(self): + return False + + def getData(self, column): + return self.data[column] + +# Brance data model level one item + +class BranchLevelOneItem(): + + def __init__(self, glb, row, data, parent_item): + self.glb = glb + self.row = row + self.parent_item = parent_item + self.child_count = 0 + self.child_items = [] + self.data = data[1:] + self.dbid = data[0] + self.level = 1 + self.query_done = False + + def getChildItem(self, row): + return self.child_items[row] + + def getParentItem(self): + return self.parent_item + + def getRow(self): + return self.row + + def Select(self): + self.query_done = True + + if not self.glb.have_disassembler: + return + + query = QSqlQuery(self.glb.db) + + QueryExec(query, "SELECT cpu, to_dso_id, to_symbol_id, to_sym_offset, short_name, long_name, build_id, sym_start, to_ip" + " FROM samples" + " INNER JOIN dsos ON samples.to_dso_id = dsos.id" + " INNER JOIN symbols ON samples.to_symbol_id = symbols.id" + " WHERE samples.id = " + str(self.dbid)) + if not query.next(): + return + cpu = query.value(0) + dso = query.value(1) + sym = query.value(2) + if dso == 0 or sym == 0: + return + off = query.value(3) + short_name = query.value(4) + long_name = query.value(5) + build_id = query.value(6) + sym_start = query.value(7) + ip = query.value(8) + + QueryExec(query, "SELECT samples.dso_id, symbol_id, sym_offset, sym_start" + " FROM samples" + " INNER JOIN symbols ON samples.symbol_id = symbols.id" + " WHERE samples.id > " + str(self.dbid) + " AND cpu = " + str(cpu) + + " ORDER BY samples.id" + " LIMIT 1") + if not query.next(): + return + if query.value(0) != dso: + # Cannot disassemble from one dso to another + return + bsym = query.value(1) + boff = query.value(2) + bsym_start = query.value(3) + if bsym == 0: + return + tot = bsym_start + boff + 1 - sym_start - off + if tot <= 0 or tot > 16384: + return + + inst = self.glb.disassembler.Instruction() + f = self.glb.FileFromNamesAndBuildId(short_name, long_name, build_id) + if not f: + return + mode = 0 if Is64Bit(f) else 1 + self.glb.disassembler.SetMode(inst, mode) + + buf_sz = tot + 16 + buf = create_string_buffer(tot + 16) + f.seek(sym_start + off) + buf.value = f.read(buf_sz) + buf_ptr = addressof(buf) + i = 0 + while tot > 0: + cnt, text = self.glb.disassembler.DisassembleOne(inst, buf_ptr, buf_sz, ip) + if cnt: + byte_str = tohex(ip).rjust(16) + for k in xrange(cnt): + byte_str += " %02x" % ord(buf[i]) + i += 1 + while k < 15: + byte_str += " " + k += 1 + self.child_items.append(BranchLevelTwoItem(0, byte_str + " " + text, self)) + self.child_count += 1 + else: + return + buf_ptr += cnt + tot -= cnt + buf_sz -= cnt + ip += cnt + + def childCount(self): + if not self.query_done: + self.Select() + if not self.child_count: + return -1 + return self.child_count + + def hasChildren(self): + if not self.query_done: + return True + return self.child_count > 0 + + def getData(self, column): + return self.data[column] + +# Brance data model root item + +class BranchRootItem(): + + def __init__(self): + self.child_count = 0 + self.child_items = [] + self.level = 0 + + def getChildItem(self, row): + return self.child_items[row] + + def getParentItem(self): + return None + + def getRow(self): + return 0 + + def childCount(self): + return self.child_count + + def hasChildren(self): + return self.child_count > 0 + + def getData(self, column): + return "" + +# Branch data preparation + +def BranchDataPrep(query): + data = [] + for i in xrange(0, 8): + data.append(query.value(i)) + data.append(tohex(query.value(8)).rjust(16) + " " + query.value(9) + offstr(query.value(10)) + + " (" + dsoname(query.value(11)) + ")" + " -> " + + tohex(query.value(12)) + " " + query.value(13) + offstr(query.value(14)) + + " (" + dsoname(query.value(15)) + ")") + return data + +# Branch data model + +class BranchModel(TreeModel): + + progress = Signal(object) + + def __init__(self, glb, event_id, where_clause, parent=None): + super(BranchModel, self).__init__(BranchRootItem(), parent) + self.glb = glb + self.event_id = event_id + self.more = True + self.populated = 0 + sql = ("SELECT samples.id, time, cpu, comm, pid, tid, branch_types.name," + " CASE WHEN in_tx = '0' THEN 'No' ELSE 'Yes' END," + " ip, symbols.name, sym_offset, dsos.short_name," + " to_ip, to_symbols.name, to_sym_offset, to_dsos.short_name" + " FROM samples" + " INNER JOIN comms ON comm_id = comms.id" + " INNER JOIN threads ON thread_id = threads.id" + " INNER JOIN branch_types ON branch_type = branch_types.id" + " INNER JOIN symbols ON symbol_id = symbols.id" + " INNER JOIN symbols to_symbols ON to_symbol_id = to_symbols.id" + " INNER JOIN dsos ON samples.dso_id = dsos.id" + " INNER JOIN dsos AS to_dsos ON samples.to_dso_id = to_dsos.id" + " WHERE samples.id > $$last_id$$" + where_clause + + " AND evsel_id = " + str(self.event_id) + + " ORDER BY samples.id" + " LIMIT " + str(glb_chunk_sz)) + self.fetcher = SQLFetcher(glb, sql, BranchDataPrep, self.AddSample) + self.fetcher.done.connect(self.Update) + self.fetcher.Fetch(glb_chunk_sz) + + def columnCount(self, parent=None): + return 8 + + def columnHeader(self, column): + return ("Time", "CPU", "Command", "PID", "TID", "Branch Type", "In Tx", "Branch")[column] + + def columnFont(self, column): + if column != 7: + return None + return QFont("Monospace") + + def DisplayData(self, item, index): + if item.level == 1: + self.FetchIfNeeded(item.row) + return item.getData(index.column()) + + def AddSample(self, data): + child = BranchLevelOneItem(self.glb, self.populated, data, self.root) + self.root.child_items.append(child) + self.populated += 1 + + def Update(self, fetched): + if not fetched: + self.more = False + self.progress.emit(0) + child_count = self.root.child_count + count = self.populated - child_count + if count > 0: + parent = QModelIndex() + self.beginInsertRows(parent, child_count, child_count + count - 1) + self.insertRows(child_count, count, parent) + self.root.child_count += count + self.endInsertRows() + self.progress.emit(self.root.child_count) + + def FetchMoreRecords(self, count): + current = self.root.child_count + if self.more: + self.fetcher.Fetch(count) + else: + self.progress.emit(0) + return current + + def HasMoreRecords(self): + return self.more + +# Branch window + +class BranchWindow(QMdiSubWindow): + + def __init__(self, glb, event_id, name, where_clause, parent=None): + super(BranchWindow, self).__init__(parent) + + model_name = "Branch Events " + str(event_id) + if len(where_clause): + model_name = where_clause + " " + model_name + + self.model = LookupCreateModel(model_name, lambda: BranchModel(glb, event_id, where_clause)) + + self.view = QTreeView() + self.view.setUniformRowHeights(True) + self.view.setModel(self.model) + + self.ResizeColumnsToContents() + + self.find_bar = FindBar(self, self, True) + + self.finder = ChildDataItemFinder(self.model.root) + + self.fetch_bar = FetchMoreRecordsBar(self.model, self) + + self.vbox = VBox(self.view, self.find_bar.Widget(), self.fetch_bar.Widget()) + + self.setWidget(self.vbox.Widget()) + + AddSubWindow(glb.mainwindow.mdi_area, self, name + " Branch Events") + + def ResizeColumnToContents(self, column, n): + # Using the view's resizeColumnToContents() here is extrememly slow + # so implement a crude alternative + mm = "MM" if column else "MMMM" + font = self.view.font() + metrics = QFontMetrics(font) + max = 0 + for row in xrange(n): + val = self.model.root.child_items[row].data[column] + len = metrics.width(str(val) + mm) + max = len if len > max else max + val = self.model.columnHeader(column) + len = metrics.width(str(val) + mm) + max = len if len > max else max + self.view.setColumnWidth(column, max) + + def ResizeColumnsToContents(self): + n = min(self.model.root.child_count, 100) + if n < 1: + # No data yet, so connect a signal to notify when there is + self.model.rowsInserted.connect(self.UpdateColumnWidths) + return + columns = self.model.columnCount() + for i in xrange(columns): + self.ResizeColumnToContents(i, n) + + def UpdateColumnWidths(self, *x): + # This only needs to be done once, so disconnect the signal now + self.model.rowsInserted.disconnect(self.UpdateColumnWidths) + self.ResizeColumnsToContents() + + def Find(self, value, direction, pattern, context): + self.view.setFocus() + self.find_bar.Busy() + self.finder.Find(value, direction, pattern, context, self.FindDone) + + def FindDone(self, row): + self.find_bar.Idle() + if row >= 0: + self.view.setCurrentIndex(self.model.index(row, 0, QModelIndex())) + else: + self.find_bar.NotFound() + +# Event list + +def GetEventList(db): + events = [] + query = QSqlQuery(db) + QueryExec(query, "SELECT name FROM selected_events WHERE id > 0 ORDER BY id") + while query.next(): + events.append(query.value(0)) + return events + # SQL data preparation def SQLTableDataPrep(query, count): @@ -1448,6 +1845,8 @@ class MainWindow(QMainWindow): reports_menu = menu.addMenu("&Reports") reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self)) + self.EventMenu(GetEventList(glb.db), reports_menu) + self.TableMenu(GetTableList(glb), menu) self.window_menu = WindowMenu(self.mdi_area, menu) @@ -1476,6 +1875,20 @@ class MainWindow(QMainWindow): win = self.mdi_area.activeSubWindow() EnlargeFont(win.view) + def EventMenu(self, events, reports_menu): + branches_events = 0 + for event in events: + event = event.split(":")[0] + if event == "branches": + branches_events += 1 + dbid = 0 + for event in events: + dbid += 1 + event = event.split(":")[0] + if event == "branches": + label = "All branches" if branches_events == 1 else "All branches " + "(id=" + dbid + ")" + reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewBranchView(x), self)) + def TableMenu(self, tables, menu): table_menu = menu.addMenu("&Tables") for table in tables: @@ -1484,9 +1897,112 @@ class MainWindow(QMainWindow): def NewCallGraph(self): CallGraphWindow(self.glb, self) + def NewBranchView(self, event_id): + BranchWindow(self.glb, event_id, "", "", self) + def NewTableView(self, table_name): TableWindow(self.glb, table_name, self) +# XED Disassembler + +class xed_state_t(Structure): + + _fields_ = [ + ("mode", c_int), + ("width", c_int) + ] + +class XEDInstruction(): + + def __init__(self, libxed): + # Current xed_decoded_inst_t structure is 192 bytes. Use 512 to allow for future expansion + xedd_t = c_byte * 512 + self.xedd = xedd_t() + self.xedp = addressof(self.xedd) + libxed.xed_decoded_inst_zero(self.xedp) + self.state = xed_state_t() + self.statep = addressof(self.state) + # Buffer for disassembled instruction text + self.buffer = create_string_buffer(256) + self.bufferp = addressof(self.buffer) + +class LibXED(): + + def __init__(self): + self.libxed = CDLL("libxed.so") + + self.xed_tables_init = self.libxed.xed_tables_init + self.xed_tables_init.restype = None + self.xed_tables_init.argtypes = [] + + self.xed_decoded_inst_zero = self.libxed.xed_decoded_inst_zero + self.xed_decoded_inst_zero.restype = None + self.xed_decoded_inst_zero.argtypes = [ c_void_p ] + + self.xed_operand_values_set_mode = self.libxed.xed_operand_values_set_mode + self.xed_operand_values_set_mode.restype = None + self.xed_operand_values_set_mode.argtypes = [ c_void_p, c_void_p ] + + self.xed_decoded_inst_zero_keep_mode = self.libxed.xed_decoded_inst_zero_keep_mode + self.xed_decoded_inst_zero_keep_mode.restype = None + self.xed_decoded_inst_zero_keep_mode.argtypes = [ c_void_p ] + + self.xed_decode = self.libxed.xed_decode + self.xed_decode.restype = c_int + self.xed_decode.argtypes = [ c_void_p, c_void_p, c_uint ] + + self.xed_format_context = self.libxed.xed_format_context + self.xed_format_context.restype = c_uint + self.xed_format_context.argtypes = [ c_int, c_void_p, c_void_p, c_int, c_ulonglong, c_void_p, c_void_p ] + + self.xed_tables_init() + + def Instruction(self): + return XEDInstruction(self) + + def SetMode(self, inst, mode): + if mode: + inst.state.mode = 4 # 32-bit + inst.state.width = 4 # 4 bytes + else: + inst.state.mode = 1 # 64-bit + inst.state.width = 8 # 8 bytes + self.xed_operand_values_set_mode(inst.xedp, inst.statep) + + def DisassembleOne(self, inst, bytes_ptr, bytes_cnt, ip): + self.xed_decoded_inst_zero_keep_mode(inst.xedp) + err = self.xed_decode(inst.xedp, bytes_ptr, bytes_cnt) + if err: + return 0, "" + # Use AT&T mode (2), alternative is Intel (3) + ok = self.xed_format_context(2, inst.xedp, inst.bufferp, sizeof(inst.buffer), ip, 0, 0) + if not ok: + return 0, "" + # Return instruction length and the disassembled instruction text + # For now, assume the length is in byte 166 + return inst.xedd[166], inst.buffer.value + +def TryOpen(file_name): + try: + return open(file_name, "rb") + except: + return None + +def Is64Bit(f): + result = sizeof(c_void_p) + # ELF support only + pos = f.tell() + f.seek(0) + header = f.read(7) + f.seek(pos) + magic = header[0:4] + eclass = ord(header[4]) + encoding = ord(header[5]) + version = ord(header[6]) + if magic == chr(127) + "ELF" and eclass > 0 and eclass < 3 and encoding > 0 and encoding < 3 and version == 1: + result = True if eclass == 2 else False + return result + # Global data class Glb(): @@ -1495,9 +2011,40 @@ class Glb(): self.dbref = dbref self.db = db self.dbname = dbname + self.home_dir = os.path.expanduser("~") + self.buildid_dir = os.getenv("PERF_BUILDID_DIR") + if self.buildid_dir: + self.buildid_dir += "/.build-id/" + else: + self.buildid_dir = self.home_dir + "/.debug/.build-id/" self.app = None self.mainwindow = None self.instances_to_shutdown_on_exit = weakref.WeakSet() + try: + self.disassembler = LibXED() + self.have_disassembler = True + except: + self.have_disassembler = False + + def FileFromBuildId(self, build_id): + file_name = self.buildid_dir + build_id[0:2] + "/" + build_id[2:] + "/elf" + return TryOpen(file_name) + + def FileFromNamesAndBuildId(self, short_name, long_name, build_id): + # Assume current machine i.e. no support for virtualization + if short_name[0:7] == "[kernel" and os.path.basename(long_name) == "kcore": + file_name = os.getenv("PERF_KCORE") + f = TryOpen(file_name) if file_name else None + if f: + return f + # For now, no special handling if long_name is /proc/kcore + f = TryOpen(long_name) + if f: + return f + f = self.FileFromBuildId(build_id) + if f: + return f + return None def AddInstanceToShutdownOnExit(self, instance): self.instances_to_shutdown_on_exit.add(instance) -- cgit v1.2.3-70-g09d2