summaryrefslogtreecommitdiff
path: root/scripts/gdb
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/gdb')
-rw-r--r--scripts/gdb/linux/device.py16
-rw-r--r--scripts/gdb/linux/page_owner.py58
-rw-r--r--scripts/gdb/linux/slab.py3
-rw-r--r--scripts/gdb/linux/stackdepot.py6
-rw-r--r--scripts/gdb/linux/tasks.py18
5 files changed, 44 insertions, 57 deletions
diff --git a/scripts/gdb/linux/device.py b/scripts/gdb/linux/device.py
index 16376c5cfec6..0eabc5f4f8ca 100644
--- a/scripts/gdb/linux/device.py
+++ b/scripts/gdb/linux/device.py
@@ -36,26 +36,26 @@ def for_each_bus():
for kobj in kset_for_each_object(gdb.parse_and_eval('bus_kset')):
subsys = container_of(kobj, kset_type.get_type().pointer(), 'kobj')
subsys_priv = container_of(subsys, subsys_private_type.get_type().pointer(), 'subsys')
- yield subsys_priv['bus']
+ yield subsys_priv
def for_each_class():
for kobj in kset_for_each_object(gdb.parse_and_eval('class_kset')):
subsys = container_of(kobj, kset_type.get_type().pointer(), 'kobj')
subsys_priv = container_of(subsys, subsys_private_type.get_type().pointer(), 'subsys')
- yield subsys_priv['class']
+ yield subsys_priv
def get_bus_by_name(name):
for item in for_each_bus():
- if item['name'].string() == name:
+ if item['bus']['name'].string() == name:
return item
raise gdb.GdbError("Can't find bus type {!r}".format(name))
def get_class_by_name(name):
for item in for_each_class():
- if item['name'].string() == name:
+ if item['class']['name'].string() == name:
return item
raise gdb.GdbError("Can't find device class {!r}".format(name))
@@ -70,13 +70,13 @@ def klist_for_each(klist):
def bus_for_each_device(bus):
- for kn in klist_for_each(bus['p']['klist_devices']):
+ for kn in klist_for_each(bus['klist_devices']):
dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_bus')
yield dp['device']
def class_for_each_device(cls):
- for kn in klist_for_each(cls['p']['klist_devices']):
+ for kn in klist_for_each(cls['klist_devices']):
dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_class')
yield dp['device']
@@ -103,7 +103,7 @@ class LxDeviceListBus(gdb.Command):
def invoke(self, arg, from_tty):
if not arg:
for bus in for_each_bus():
- gdb.write('bus {}:\t{}\n'.format(bus['name'].string(), bus))
+ gdb.write('bus {}:\t{}\n'.format(bus['bus']['name'].string(), bus))
for dev in bus_for_each_device(bus):
_show_device(dev, level=1)
else:
@@ -123,7 +123,7 @@ class LxDeviceListClass(gdb.Command):
def invoke(self, arg, from_tty):
if not arg:
for cls in for_each_class():
- gdb.write("class {}:\t{}\n".format(cls['name'].string(), cls))
+ gdb.write("class {}:\t{}\n".format(cls['class']['name'].string(), cls))
for dev in class_for_each_device(cls):
_show_device(dev, level=1)
else:
diff --git a/scripts/gdb/linux/page_owner.py b/scripts/gdb/linux/page_owner.py
index 844fd5d0c912..8e713a09cfe7 100644
--- a/scripts/gdb/linux/page_owner.py
+++ b/scripts/gdb/linux/page_owner.py
@@ -122,27 +122,24 @@ class DumpPageOwner(gdb.Command):
if not (page_ext['flags'] & (1 << PAGE_EXT_OWNER_ALLOCATED)):
gdb.write("page_owner is not allocated\n")
- try:
- page_owner = self.get_page_owner(page_ext)
- gdb.write("Page last allocated via order %d, gfp_mask: 0x%x, pid: %d, tgid: %d (%s), ts %u ns, free_ts %u ns\n" %\
- (page_owner["order"], page_owner["gfp_mask"],\
- page_owner["pid"], page_owner["tgid"], page_owner["comm"],\
- page_owner["ts_nsec"], page_owner["free_ts_nsec"]))
- gdb.write("PFN: %d, Flags: 0x%x\n" % (pfn, page['flags']))
- if page_owner["handle"] == 0:
- gdb.write('page_owner allocation stack trace missing\n')
- else:
- stackdepot.stack_depot_print(page_owner["handle"])
+ page_owner = self.get_page_owner(page_ext)
+ gdb.write("Page last allocated via order %d, gfp_mask: 0x%x, pid: %d, tgid: %d (%s), ts %u ns, free_ts %u ns\n" %\
+ (page_owner["order"], page_owner["gfp_mask"],\
+ page_owner["pid"], page_owner["tgid"], page_owner["comm"].string(),\
+ page_owner["ts_nsec"], page_owner["free_ts_nsec"]))
+ gdb.write("PFN: %d, Flags: 0x%x\n" % (pfn, page['flags']))
+ if page_owner["handle"] == 0:
+ gdb.write('page_owner allocation stack trace missing\n')
+ else:
+ stackdepot.stack_depot_print(page_owner["handle"])
- if page_owner["free_handle"] == 0:
- gdb.write('page_owner free stack trace missing\n')
- else:
- gdb.write('page last free stack trace:\n')
- stackdepot.stack_depot_print(page_owner["free_handle"])
- if page_owner['last_migrate_reason'] != -1:
- gdb.write('page has been migrated, last migrate reason: %s\n' % self.migrate_reason_names[page_owner['last_migrate_reason']])
- except:
- gdb.write("\n")
+ if page_owner["free_handle"] == 0:
+ gdb.write('page_owner free stack trace missing\n')
+ else:
+ gdb.write('page last free stack trace:\n')
+ stackdepot.stack_depot_print(page_owner["free_handle"])
+ if page_owner['last_migrate_reason'] != -1:
+ gdb.write('page has been migrated, last migrate reason: %s\n' % self.migrate_reason_names[page_owner['last_migrate_reason']])
def read_page_owner(self):
pfn = self.min_pfn
@@ -173,18 +170,13 @@ class DumpPageOwner(gdb.Command):
pfn += 1
continue
- try:
- page_owner = self.get_page_owner(page_ext)
- gdb.write("Page allocated via order %d, gfp_mask: 0x%x, pid: %d, tgid: %d (%s), ts %u ns, free_ts %u ns\n" %\
- (page_owner["order"], page_owner["gfp_mask"],\
- page_owner["pid"], page_owner["tgid"], page_owner["comm"],\
- page_owner["ts_nsec"], page_owner["free_ts_nsec"]))
- gdb.write("PFN: %d, Flags: 0x%x\n" % (pfn, page['flags']))
- stackdepot.stack_depot_print(page_owner["handle"])
- pfn += (1 << page_owner["order"])
- continue
- except:
- gdb.write("\n")
- pfn += 1
+ page_owner = self.get_page_owner(page_ext)
+ gdb.write("Page allocated via order %d, gfp_mask: 0x%x, pid: %d, tgid: %d (%s), ts %u ns, free_ts %u ns\n" %\
+ (page_owner["order"], page_owner["gfp_mask"],\
+ page_owner["pid"], page_owner["tgid"], page_owner["comm"].string(),\
+ page_owner["ts_nsec"], page_owner["free_ts_nsec"]))
+ gdb.write("PFN: %d, Flags: 0x%x\n" % (pfn, page['flags']))
+ stackdepot.stack_depot_print(page_owner["handle"])
+ pfn += (1 << page_owner["order"])
DumpPageOwner()
diff --git a/scripts/gdb/linux/slab.py b/scripts/gdb/linux/slab.py
index f012ba38c7d9..0e2d93867fe2 100644
--- a/scripts/gdb/linux/slab.py
+++ b/scripts/gdb/linux/slab.py
@@ -228,8 +228,7 @@ def slabtrace(alloc, cache_name):
nr_cpu = gdb.parse_and_eval('__num_online_cpus')['counter']
if nr_cpu > 1:
gdb.write(" cpus=")
- for i in loc['cpus']:
- gdb.write("%d," % i)
+ gdb.write(','.join(str(cpu) for cpu in loc['cpus']))
gdb.write("\n")
if constants.LX_CONFIG_STACKDEPOT:
if loc['handle']:
diff --git a/scripts/gdb/linux/stackdepot.py b/scripts/gdb/linux/stackdepot.py
index 047d329a6a12..0281d9de4b7c 100644
--- a/scripts/gdb/linux/stackdepot.py
+++ b/scripts/gdb/linux/stackdepot.py
@@ -25,10 +25,10 @@ def stack_depot_fetch(handle):
handle_parts_t = gdb.lookup_type("union handle_parts")
parts = handle.cast(handle_parts_t)
offset = parts['offset'] << DEPOT_STACK_ALIGN
- pool_index_cached = gdb.parse_and_eval('pool_index')
+ pools_num = gdb.parse_and_eval('pools_num')
- if parts['pool_index'] > pool_index_cached:
- gdb.write("pool index %d out of bounds (%d) for stack id 0x%08x\n" % (parts['pool_index'], pool_index_cached, handle))
+ if parts['pool_index'] > pools_num:
+ gdb.write("pool index %d out of bounds (%d) for stack id 0x%08x\n" % (parts['pool_index'], pools_num, handle))
return gdb.Value(0), 0
stack_pools = gdb.parse_and_eval('stack_pools')
diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index 17ec19e9b5bf..aa5ab6251f76 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -13,7 +13,7 @@
import gdb
-from linux import utils
+from linux import utils, lists
task_type = utils.CachedType("struct task_struct")
@@ -22,19 +22,15 @@ task_type = utils.CachedType("struct task_struct")
def task_lists():
task_ptr_type = task_type.get_type().pointer()
init_task = gdb.parse_and_eval("init_task").address
- t = g = init_task
+ t = init_task
while True:
- while True:
- yield t
+ thread_head = t['signal']['thread_head']
+ for thread in lists.list_for_each_entry(thread_head, task_ptr_type, 'thread_node'):
+ yield thread
- t = utils.container_of(t['thread_group']['next'],
- task_ptr_type, "thread_group")
- if t == g:
- break
-
- t = g = utils.container_of(g['tasks']['next'],
- task_ptr_type, "tasks")
+ t = utils.container_of(t['tasks']['next'],
+ task_ptr_type, "tasks")
if t == init_task:
return
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-03-21 15:04:35 +0000