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authorIan Rogers <irogers@google.com>2023-06-08 16:28:17 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-06-12 15:57:54 -0300
commitbffb5b0c0976aa46aaa961dd19a47c9d6301cfe1 (patch)
treee949be8de3d97dcfcbe8af74a1ea6b3925a4459e /tools/perf/util/hist.c
parent1981da1fe2499823f626c86c5ba3be6b89844384 (diff)
perf map/maps/thread: Changes to reference counting
Fix missed reference count gets and puts as detected with leak sanitizer and reference count checking. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Brian Robbins <brianrob@linux.microsoft.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Dmitrii Dolgov <9erthalion6@gmail.com> Cc: Fangrui Song <maskray@google.com> Cc: German Gomez <german.gomez@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ivan Babrou <ivan@cloudflare.com> Cc: James Clark <james.clark@arm.com> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: K Prateek Nayak <kprateek.nayak@amd.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Miguel Ojeda <ojeda@kernel.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Wenyu Liu <liuwenyu7@huawei.com> Cc: Will Deacon <will@kernel.org> Cc: Yang Jihong <yangjihong1@huawei.com> Cc: Ye Xingchen <ye.xingchen@zte.com.cn> Cc: Yuan Can <yuancan@huawei.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230608232823.4027869-21-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/hist.c')
-rw-r--r--tools/perf/util/hist.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index dfda52d348a3..fb218b3e8a7c 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -450,6 +450,7 @@ static int hist_entry__init(struct hist_entry *he,
memset(&he->stat, 0, sizeof(he->stat));
}
+ he->ms.maps = maps__get(he->ms.maps);
he->ms.map = map__get(he->ms.map);
if (he->branch_info) {
@@ -497,7 +498,7 @@ static int hist_entry__init(struct hist_entry *he,
}
INIT_LIST_HEAD(&he->pairs.node);
- thread__get(he->thread);
+ he->thread = thread__get(he->thread);
he->hroot_in = RB_ROOT_CACHED;
he->hroot_out = RB_ROOT_CACHED;
@@ -523,6 +524,7 @@ err_infos:
map__put(he->mem_info->daddr.ms.map);
}
err:
+ maps__zput(he->ms.maps);
map__zput(he->ms.map);
zfree(&he->stat_acc);
return -ENOMEM;
@@ -611,7 +613,6 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists,
* keys were used.
*/
cmp = hist_entry__cmp(he, entry);
-
if (!cmp) {
if (sample_self) {
he_stat__add_period(&he->stat, period);
@@ -1309,6 +1310,7 @@ void hist_entry__delete(struct hist_entry *he)
struct hist_entry_ops *ops = he->ops;
thread__zput(he->thread);
+ maps__zput(he->ms.maps);
map__zput(he->ms.map);
if (he->branch_info) {