From 69d247295a51db53294efc14dc7e73b3c57df0f8 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Sat, 22 Nov 2025 00:19:19 -0800 Subject: [PATCH] perf mem-events: Don't leak online CPU map Reference count checking found the online CPU map was being gotten but not put. Add in the missing put. Signed-off-by: Ian Rogers Reviewed-by: Arnaldo Carvalho de Melo Signed-off-by: Namhyung Kim --- tools/perf/util/mem-events.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 80b3069427bc4..0b49fce251fcc 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -303,12 +303,15 @@ int perf_mem_events__record_args(const char **rec_argv, int *argv_nr, char **eve } if (cpu_map) { - if (!perf_cpu_map__equal(cpu_map, cpu_map__online())) { + struct perf_cpu_map *online = cpu_map__online(); + + if (!perf_cpu_map__equal(cpu_map, online)) { char buf[200]; cpu_map__snprint(cpu_map, buf, sizeof(buf)); pr_warning("Memory events are enabled on a subset of CPUs: %s\n", buf); } + perf_cpu_map__put(online); perf_cpu_map__put(cpu_map); } -- 2.47.3