From a3d39b29c85aee2185ad96626047be5f2b3826c0 Mon Sep 17 00:00:00 2001
From: Lingutla Chandrasekhar <clingutla@codeaurora.org>
Date: Mon, 25 Mar 2019 20:56:50 +0530
Subject: [PATCH] lrdp_V2: Support to print task's affinity
Add support to print task's affinity in runqueue info and
task dump parsers.
Change-Id: I790a64764fdba7232b89beaa0c5bbbbfe5d5861f
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
---
linux-ramdump-parser-v2/parsers/runqueue.py | 4 +++-
linux-ramdump-parser-v2/parsers/taskdump.py | 9 +++++++--
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/linux-ramdump-parser-v2/parsers/runqueue.py b/linux-ramdump-parser-v2/parsers/runqueue.py
index cf60317..73ee7ee 100644
--- a/linux-ramdump-parser-v2/parsers/runqueue.py
+++ b/linux-ramdump-parser-v2/parsers/runqueue.py
@@ -40,12 +40,14 @@ class RunQueues(RamParser):
def print_task_state(self, status, task_addr):
pid_offset = self.ramdump.field_offset('struct task_struct', 'pid')
comm_offset = self.ramdump.field_offset('struct task_struct', 'comm')
+ affinity_offset = self.ramdump.field_offset('struct task_struct', 'cpus_allowed')
if 0 < task_addr:
pid = self.ramdump.read_int(task_addr + pid_offset)
taskname = self.ramdump.read_cstring(task_addr + comm_offset, 16)
+ affinity = self.ramdump.read_u64(task_addr + affinity_offset)
self.print_out_str_with_tab(
- '{0}: {1}({2})'.format(status, taskname, pid))
+ '{0}: {1}({2}) [affinity={3:x}]'.format(status, taskname, pid, affinity))
else:
self.print_out_str_with_tab('{0}: None(0)'.format(status))
diff --git a/linux-ramdump-parser-v2/parsers/taskdump.py b/linux-ramdump-parser-v2/parsers/taskdump.py
index 207583f..4fbf413 100755
--- a/linux-ramdump-parser-v2/parsers/taskdump.py
+++ b/linux-ramdump-parser-v2/parsers/taskdump.py
@@ -61,6 +61,7 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
offset_stack = ramdump.field_offset('struct task_struct', 'stack')
offset_state = ramdump.field_offset('struct task_struct', 'state')
offset_prio = ramdump.field_offset('struct task_struct', 'prio')
+ offset_affine = ramdump.field_offset('struct task_struct', 'cpus_allowed')
offset_exit_state = ramdump.field_offset(
'struct task_struct', 'exit_state')
orig_thread_group = thread_group
@@ -74,6 +75,7 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
next_thread_stack = next_thread_start + offset_stack
next_thread_state = next_thread_start + offset_state
next_thread_exit_state = next_thread_start + offset_exit_state
+ next_thread_affine = next_thread_start + offset_affine
next_thread_info = ramdump.get_thread_info_addr(next_thread_start)
thread_task_name = cleanupString(
ramdump.read_cstring(next_thread_comm, 16))
@@ -87,6 +89,9 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
thread_task_pid = ramdump.read_int(next_thread_pid)
if thread_task_pid is None:
return
+ thread_task_affine = ramdump.read_u64(next_thread_affine)
+ if thread_task_affine is None:
+ return
task_state = ramdump.read_word(next_thread_state)
if task_state is None:
return
@@ -124,8 +129,8 @@ def dump_thread_group(ramdump, thread_group, task_out, taskhighlight_out, check_
thread_line = ' ' + thread_line
if not first:
- task_out.write('Process: {0}, cpu: {1} pid: {2} start: 0x{3:x}\n'.format(
- thread_task_name, task_cpu, thread_task_pid, next_thread_start))
+ task_out.write('Process: {0}, [affinity: 0x{1:x}] cpu: {2} pid: {3} start: 0x{4:x}\n'.format(
+ thread_task_name, thread_task_affine, task_cpu, thread_task_pid, next_thread_start))
task_out.write(
'=====================================================\n')
first = 1
--
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