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perf kwork: Fix incorrect and missing free atom in work_push_atom() 

1. Atoms are managed in page mode and should be released using atom_free()
   instead of free().
2. When the event does not match, the atom needs to free.

Fixes: f98919ec4f ("perf kwork: Implement 'report' subcommand")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Link: https://lore.kernel.org/r/20230812084917.169338-2-yangjihong1@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Yang Jihong 2023-08-12 08:49:02 +00:00 committed by Arnaldo Carvalho de Melo
parent d50ad02cb3
commit d39710088d
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tools/perf/builtin-kwork.c
View File

@ -406,12 +406,14 @@ static int work_push_atom(struct perf_kwork *kwork,
work = work_findnew(&class->work_root, &key, &kwork->cmp_id);
if (work == NULL) {
free(atom);
atom_free(atom);
return -1;
}
if (!profile_event_match(kwork, work, sample))
if (!profile_event_match(kwork, work, sample)) {
atom_free(atom);
return 0;
}
if (dst_type < KWORK_TRACE_MAX) {
dst_atom = list_last_entry_or_null(&work->atom_list[dst_type],