From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4536D3A4539; Mon, 13 Jul 2026 23:45:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783986340; cv=none; b=Sf1nN+Ip2c6CpOAXQY/eFxurEhwrNK+hh5r/6e+c6F+7vHULFCnU9vcxTwRtWKC0TvutX5+Q1zhD7B9l8ZMbNSPJ/zVXDO+MtZ4h/QpBkqY5pln6/TE6kWjIZ2jA/OVDYnXI85WUIw/W0yJZZ02ElLxtncRaAW8lkCq1xSly0K0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783986340; c=relaxed/simple; bh=e8L7JP+eDiD7idQalJ092Hbvi26hvz50A4ROwiGvGv4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pgUwJQF5ErN3x3Ts7Jyr7p+8MZKItCGItUwLetajluTWIPcj08ce+fKOoOeEl1zWbppDkUPCYyjwGH1OHWJudo2dqtu7N9lO3S8QK16kyT4ve62mLx54uj9dWiztkFWvAVJcOvtPXIT87eWjMUiloBEMPcOvQMaNXJtFxVMnhJs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BXznfom+; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BXznfom+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA13A1F00A3F; Mon, 13 Jul 2026 23:45:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783986339; bh=W3MbfPTUdWHNSNqEkTTqYBG6n5DO/IFfviNfQUBR0dw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BXznfom+fVQlle8m5ejRMibUrASNUvdHNcH/gH0cR+aatGkpa5ERQ9ccWGTYs0R2M B467TwNIu6uoyx3aK+auV6yfUdrUXfdFFcAM4Xy1OR4iTiFiuX0h2IR7TQ6G+D+LEr 9qup1cY+qU3jnp5u6gkr7Vt8ZXiFQmq7aWOMG9yv4HOiY5yxXIkLPCCesdvpAnPzCj p+s2thMMofdemnfHHRzrkoNZuEWdUIIZiDHKOhNLA9eFwu2Ypnm1tyTek5FMlGI8Dx 1NLAbU5Pc5hagpjG2/VxshvnR4VggXQlPUL8C/jcWIcVzCjX0ffYwZAR0X3l+7Z6Cm Ik46/zB3/K2nQ== From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ian Rogers , Jiri Olsa , Adrian Hunter , James Clark , Peter Zijlstra , Ingo Molnar , LKML , linux-perf-users@vger.kernel.org, Swapnil Sapkal Subject: [PATCH v2 2/3] perf sched: Fix memory leaks in perf sched stats report Date: Mon, 13 Jul 2026 16:45:35 -0700 Message-ID: <20260713234536.2280374-3-namhyung@kernel.org> X-Mailer: git-send-email 2.55.0.795.g602f6c329a-goog In-Reply-To: <20260713234536.2280374-1-namhyung@kernel.org> References: <20260713234536.2280374-1-namhyung@kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The second pass data is not saved in the list and only used to calculate delta from the first pass. Let's free the data after use. Fixes: 5a357ae6ad63 ("perf sched stats: Add support for report subcommand") Cc: Swapnil Sapkal Signed-off-by: Namhyung Kim --- tools/perf/builtin-sched.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index c5728f3aa46f2630..ab9590c4d838eff3 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -4631,6 +4631,8 @@ static int perf_sched__process_schedstat(const struct perf_tool *tool __maybe_un domain_second_pass = list_first_entry(&cpu_second_pass->domain_head, struct schedstat_domain, domain_list); store_schedstat_cpu_diff(temp); + free(temp->cpu_data); + free(temp); } } else if (event->header.type == PERF_RECORD_SCHEDSTAT_DOMAIN) { struct schedstat_cpu *cpu_tail; @@ -4651,6 +4653,8 @@ static int perf_sched__process_schedstat(const struct perf_tool *tool __maybe_un } else { store_schedstat_domain_diff(temp); domain_second_pass = list_next_entry(domain_second_pass, domain_list); + free(temp->domain_data); + free(temp); } } -- 2.55.0.795.g602f6c329a-goog