From: Namhyung Kim <namhyung@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
James Clark <james.clark@linaro.org>,
Michalis Niarchos <michael.niarchos@gmail.com>
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] perf kvm: Fix memory leaks
Date: Wed, 12 Aug 2026 14:07:58 -0700 [thread overview]
Message-ID: <178656887896.4021779.4825437848306350814.b4-ty@kernel.org> (raw)
In-Reply-To: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com>
On Fri, 07 Aug 2026 17:08:34 +0200, Michalis Niarchos wrote:
> Running ./perf kvm stat report with ASan, revealed some memory leaks:
>
> ==206006==ERROR: LeakSanitizer: detected memory leaks
>
> Direct leak of 72 byte(s) in 3 object(s) allocated from:
> #0 0x7ff86bf2bea9 in calloc (/usr/lib/libasan.so.8+0x12bea9) (BuildId: 7f2845989b820f536270e19ec47df085ae89a675)
> #1 0x55f42795a0d5 in zalloc ../../lib/zalloc.c:8
> #2 0x55f42782d7f4 in per_vcpu_record /home/mike/git/linux/tools/perf/builtin-kvm.c:929
> #3 0x55f42782dab7 in handle_kvm_event /home/mike/git/linux/tools/perf/builtin-kvm.c:950
> #4 0x55f42782fa80 in process_sample_event /home/mike/git/linux/tools/perf/builtin-kvm.c:1159
> ...
> #14 0x55f42783236c in read_events /home/mike/git/linux/tools/perf/builtin-kvm.c:1591
> #15 0x55f4278326f8 in kvm_events_report_vcpu /home/mike/git/linux/tools/perf/builtin-kvm.c:1636
>
> [...]
Applied to perf-tools-next, thanks!
Best regards,
Namhyung
next prev parent reply other threads:[~2026-08-12 21:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 15:08 [PATCH 0/2] perf kvm: Fix memory leaks Michalis Niarchos via B4 Relay
2026-08-07 15:08 ` [PATCH 1/2] perf kvm: Fix memory leak in process_sample_event() Michalis Niarchos via B4 Relay
2026-08-12 7:41 ` Namhyung Kim
2026-08-07 15:08 ` [PATCH 2/2] perf kvm: Fix memory leak in cmd_kvm() Michalis Niarchos via B4 Relay
2026-08-12 21:07 ` Namhyung Kim [this message]
2026-08-13 20:15 ` [PATCH 0/2] perf kvm: Fix memory leaks Michalis Niarchos
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