Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf updates from Ingo Molnar:
 "Lots of tooling updates - too many to list, here's a few highlights:

   - Various subcommand updates to 'perf trace', 'perf report', 'perf
     record', 'perf annotate', 'perf script', 'perf test', etc.

   - CPU and NUMA topology and affinity handling improvements,

   - HW tracing and HW support updates:
      - Intel PT updates
      - ARM CoreSight updates
      - vendor HW event updates

   - BPF updates

   - Tons of infrastructure updates, both on the build system and the
     library support side

   - Documentation updates.

   - ... and lots of other changes, see the changelog for details.

  Kernel side updates:

   - Tighten up kprobes blacklist handling, reduce the number of places
     where developers can install a kprobe and hang/crash the system.

   - Fix/enhance vma address filter handling.

   - Various PMU driver updates, small fixes and additions.

   - refcount_t conversions

   - BPF updates

   - error code propagation enhancements

   - misc other changes"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (238 commits)
  perf script python: Add Python3 support to syscall-counts-by-pid.py
  perf script python: Add Python3 support to syscall-counts.py
  perf script python: Add Python3 support to stat-cpi.py
  perf script python: Add Python3 support to stackcollapse.py
  perf script python: Add Python3 support to sctop.py
  perf script python: Add Python3 support to powerpc-hcalls.py
  perf script python: Add Python3 support to net_dropmonitor.py
  perf script python: Add Python3 support to mem-phys-addr.py
  perf script python: Add Python3 support to failed-syscalls-by-pid.py
  perf script python: Add Python3 support to netdev-times.py
  perf tools: Add perf_exe() helper to find perf binary
  perf script: Handle missing fields with -F +..
  perf data: Add perf_data__open_dir_data function
  perf data: Add perf_data__(create_dir|close_dir) functions
  perf data: Fail check_backup in case of error
  perf data: Make check_backup work over directories
  perf tools: Add rm_rf_perf_data function
  perf tools: Add pattern name checking to rm_rf
  perf tools: Add depth checking to rm_rf
  perf data: Add global path holder
  ...

1 files changed, 12 insertions, 11 deletions

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index d340d2e42776..4272763a5e96 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -33,6 +33,7 @@
 #include "ui/browsers/hists.h"
 #include "thread.h"
 #include "mem2node.h"
+#include "symbol.h"
 
 struct c2c_hists {
 	struct hists		hists;
@@ -1969,7 +1970,7 @@ static void calc_width(struct c2c_hist_entry *c2c_he)
 	set_nodestr(c2c_he);
 }
 
-static int filter_cb(struct hist_entry *he)
+static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
 {
 	struct c2c_hist_entry *c2c_he;
 
@@ -1986,7 +1987,7 @@ static int filter_cb(struct hist_entry *he)
 	return 0;
 }
 
-static int resort_cl_cb(struct hist_entry *he)
+static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
 {
 	struct c2c_hist_entry *c2c_he;
 	struct c2c_hists *c2c_hists;
@@ -2073,7 +2074,7 @@ static int setup_nodes(struct perf_session *session)
 
 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
 
-static int resort_hitm_cb(struct hist_entry *he)
+static int resort_hitm_cb(struct hist_entry *he, void *arg __maybe_unused)
 {
 	struct c2c_hist_entry *c2c_he;
 	c2c_he = container_of(he, struct c2c_hist_entry, he);
@@ -2088,14 +2089,14 @@ static int resort_hitm_cb(struct hist_entry *he)
 
 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
 {
-	struct rb_node *next = rb_first(&hists->entries);
+	struct rb_node *next = rb_first_cached(&hists->entries);
 	int ret = 0;
 
 	while (next) {
 		struct hist_entry *he;
 
 		he = rb_entry(next, struct hist_entry, rb_node);
-		ret = cb(he);
+		ret = cb(he, NULL);
 		if (ret)
 			break;
 		next = rb_next(&he->rb_node);
@@ -2215,7 +2216,7 @@ static void print_pareto(FILE *out)
 	if (WARN_ONCE(ret, "failed to setup sort entries\n"))
 		return;
 
-	nd = rb_first(&c2c.hists.hists.entries);
+	nd = rb_first_cached(&c2c.hists.hists.entries);
 
 	for (; nd; nd = rb_next(nd)) {
 		struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
@@ -2283,7 +2284,7 @@ static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
 {
 	u64 nr_entries = 0;
-	struct rb_node *nd = rb_first(&hb->hists->entries);
+	struct rb_node *nd = rb_first_cached(&hb->hists->entries);
 
 	while (nd) {
 		struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
@@ -2343,7 +2344,7 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
 	struct c2c_cacheline_browser *cl_browser;
 	struct hist_browser *browser;
 	int key = -1;
-	const char help[] =
+	static const char help[] =
 	" ENTER         Toggle callchains (if present) \n"
 	" n             Toggle Node details info \n"
 	" s             Toggle full length of symbol and source line columns \n"
@@ -2424,7 +2425,7 @@ static int perf_c2c__hists_browse(struct hists *hists)
 {
 	struct hist_browser *browser;
 	int key = -1;
-	const char help[] =
+	static const char help[] =
 	" d             Display cacheline details \n"
 	" ENTER         Toggle callchains (if present) \n"
 	" q             Quit \n";
@@ -2749,8 +2750,8 @@ static int perf_c2c__report(int argc, const char **argv)
 	if (!input_name || !strlen(input_name))
 		input_name = "perf.data";
 
-	data.file.path = input_name;
-	data.force     = symbol_conf.force;
+	data.path  = input_name;
+	data.force = symbol_conf.force;
 
 	err = setup_display(display);
 	if (err)