[RFC v1 01/16] perf kwork: Fix incorrect and missing free atom in work_push_atom()

From: Yang Jihong
Date: Sat Aug 12 2023 - 04:52:56 EST


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: f98919ec4fcc ("perf kwork: Implement 'report' subcommand")
Signed-off-by: Yang Jihong <yangjihong1@xxxxxxxxxx>
---
tools/perf/builtin-kwork.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c
index 14bf7a8429e7..73b5dc099a8a 100644
--- a/tools/perf/builtin-kwork.c
+++ b/tools/perf/builtin-kwork.c
@@ -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],
--
2.30.GIT