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-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/symbols.py2
-rw-r--r--scripts/gdb/linux/tasks.py15
5 files changed, 33 insertions, 51 deletions
diff --git a/scripts/gdb/linux/page_owner.py b/scripts/gdb/linux/page_owner.py
index 844fd5d0c9..8e713a09cf 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 f012ba38c7..0e2d93867f 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 047d329a6a..0281d9de4b 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/symbols.py b/scripts/gdb/linux/symbols.py
index c8047f4441..e8316beb17 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -82,7 +82,7 @@ lx-symbols command."""
self.module_files_updated = True
def _get_module_file(self, module_name):
- module_pattern = ".*/{0}\.ko(?:.debug)?$".format(
+ module_pattern = r".*/{0}\.ko(?:.debug)?$".format(
module_name.replace("_", r"[_\-]"))
for name in self.module_files:
if re.match(module_pattern, name) and os.path.exists(name):
diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index aa5ab6251f..6793d6e86e 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -82,21 +82,12 @@ LxPs()
thread_info_type = utils.CachedType("struct thread_info")
-ia64_task_size = None
-
def get_thread_info(task):
thread_info_ptr_type = thread_info_type.get_type().pointer()
- if utils.is_target_arch("ia64"):
- global ia64_task_size
- if ia64_task_size is None:
- ia64_task_size = gdb.parse_and_eval("sizeof(struct task_struct)")
- thread_info_addr = task.address + ia64_task_size
- thread_info = thread_info_addr.cast(thread_info_ptr_type)
- else:
- if task.type.fields()[0].type == thread_info_type.get_type():
- return task['thread_info']
- thread_info = task['stack'].cast(thread_info_ptr_type)
+ if task.type.fields()[0].type == thread_info_type.get_type():
+ return task['thread_info']
+ thread_info = task['stack'].cast(thread_info_ptr_type)
return thread_info.dereference()
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 07:39:41 +0000