github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-26 08:02:27 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

perf lock contention: Fix to save callstack for the default modified

Browse Source 
The previous change missed to set the con->save_callstack for the
LOCK_AGGR_CALLER mode resulting in no caller information.

Fixes: ebab291641 ("perf lock contention: Support filters for different aggregation")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hao Luo <haoluo@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230207002403.63590-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2023-02-06 16:24:01 -08:00 committed by Arnaldo Carvalho de Melo
parent 34266f904a
commit 55e391852e
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
tools/perf/builtin-lock.c
View File

@ -1806,6 +1806,9 @@ static int __cmd_contention(int argc, const char **argv)
con.aggr_mode = aggr_mode = show_thread_stats ? LOCK_AGGR_TASK :
show_lock_addrs ? LOCK_AGGR_ADDR : LOCK_AGGR_CALLER;
if (con.aggr_mode == LOCK_AGGR_CALLER)
con.save_callstack = true;
/* for lock function check */
symbol_conf.sort_by_name = true;
symbol_conf.allow_aliases = true;