From: "Liang, Kan" <kan.liang@linux.intel.com>
To: Ian Rogers <irogers@google.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Ahmad Yasin <ahmad.yasin@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Stephane Eranian <eranian@google.com>,
Andi Kleen <ak@linux.intel.com>,
Perry Taylor <perry.taylor@intel.com>,
Samantha Alt <samantha.alt@intel.com>,
Caleb Biggers <caleb.biggers@intel.com>,
Weilin Wang <weilin.wang@intel.com>,
Edward Baker <edward.baker@intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Florian Fischer <florian.fischer@muhq.space>,
Rob Herring <robh@kernel.org>,
Zhengjun Xing <zhengjun.xing@linux.intel.com>,
John Garry <john.g.garry@oracle.com>,
Kajol Jain <kjain@linux.ibm.com>,
Sumanth Korikkar <sumanthk@linux.ibm.com>,
Thomas Richter <tmricht@linux.ibm.com>,
Tiezhu Yang <yangtiezhu@loongson.cn>,
Ravi Bangoria <ravi.bangoria@amd.com>,
Leo Yan <leo.yan@linaro.org>,
Yang Jihong <yangjihong1@huawei.com>,
James Clark <james.clark@arm.com>,
Suzuki Poulouse <suzuki.poulose@arm.com>,
Kang Minchul <tegongkang@gmail.com>,
Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 07/40] perf stat: Avoid segv on counter->name
Date: Thu, 27 Apr 2023 15:11:49 -0400 [thread overview]
Message-ID: <15ca8bed-db47-182e-1ae3-33e273027776@linux.intel.com> (raw)
In-Reply-To: <20230426070050.1315519-8-irogers@google.com>
On 2023-04-26 3:00 a.m., Ian Rogers wrote:
> Switch to use evsel__name that doesn't return NULL for hardware and
> similar events.
This one should be backport to 6.4. It helps to fix the Segmentation
fault with default mode.
https://lore.kernel.org/lkml/2b8768bf-de24-946f-62da-6ed171a5c324@linux.intel.com/
> Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Thanks,
Kan
> ---
> tools/perf/util/stat-display.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> index 6b46bbb3d322..71dd6cb83918 100644
> --- a/tools/perf/util/stat-display.c
> +++ b/tools/perf/util/stat-display.c
> @@ -747,7 +747,7 @@ static void uniquify_event_name(struct evsel *counter)
> int ret = 0;
>
> if (counter->uniquified_name || counter->use_config_name ||
> - !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
> + !counter->pmu_name || !strncmp(evsel__name(counter), counter->pmu_name,
> strlen(counter->pmu_name)))
> return;
>
next prev parent reply other threads:[~2023-04-27 19:12 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-26 7:00 [PATCH v1 00/40] Fix perf on Intel hybrid CPUs Ian Rogers
2023-04-26 7:00 ` [PATCH v1 01/40] perf stat: Introduce skippable evsels Ian Rogers
2023-04-26 23:26 ` Yasin, Ahmad
2023-04-27 0:37 ` Ian Rogers
2023-04-27 2:03 ` Ian Rogers
2023-04-27 18:52 ` Liang, Kan
2023-04-27 20:21 ` Ian Rogers
2023-04-27 21:00 ` Namhyung Kim
2023-04-27 21:09 ` Ian Rogers
2023-04-26 7:00 ` [PATCH v1 02/40] perf vendor events intel: Add alderlake metric constraints Ian Rogers
2023-04-26 7:00 ` [PATCH v1 03/40] perf vendor events intel: Add icelake " Ian Rogers
2023-04-27 19:06 ` Liang, Kan
2023-04-27 20:22 ` Ian Rogers
2023-04-26 7:00 ` [PATCH v1 04/40] perf vendor events intel: Add icelakex " Ian Rogers
2023-04-26 7:00 ` [PATCH v1 05/40] perf vendor events intel: Add sapphirerapids " Ian Rogers
2023-04-26 7:00 ` [PATCH v1 06/40] perf vendor events intel: Add tigerlake " Ian Rogers
2023-04-26 7:00 ` [PATCH v1 07/40] perf stat: Avoid segv on counter->name Ian Rogers
2023-04-27 19:11 ` Liang, Kan [this message]
2023-04-27 19:34 ` Arnaldo Carvalho de Melo
2023-04-26 7:00 ` [PATCH v1 08/40] perf test: Test more sysfs events Ian Rogers
2023-04-27 19:38 ` Liang, Kan
2023-04-27 20:23 ` Ian Rogers
2023-04-26 7:00 ` [PATCH v1 09/40] perf test: Use valid for PMU tests Ian Rogers
2023-04-27 19:39 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 10/40] perf test: Mask config then test Ian Rogers
2023-04-27 19:39 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 11/40] perf test: Test more with config_cache Ian Rogers
2023-04-27 19:40 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 12/40] perf test: Roundtrip name, don't assume 1 event per name Ian Rogers
2023-04-27 19:44 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 13/40] perf parse-events: Set attr.type to PMU type early Ian Rogers
2023-04-27 20:00 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 14/40] perf print-events: Avoid unnecessary strlist Ian Rogers
2023-04-27 20:01 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 15/40] perf parse-events: Avoid scanning PMUs before parsing Ian Rogers
2023-04-27 20:06 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 16/40] perf test: Validate events with hyphens in Ian Rogers
2023-04-27 20:08 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 17/40] perf evsel: Modify group pmu name for software events Ian Rogers
2023-04-27 20:12 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 18/40] perf test: Move x86 hybrid tests to arch/x86 Ian Rogers
2023-04-27 21:42 ` Liang, Kan
2023-04-26 7:00 ` [PATCH v1 19/40] perf test x86 hybrid: Don't assume evlist order Ian Rogers
2023-04-26 7:00 ` [PATCH v1 20/40] perf parse-events: Support PMUs for legacy cache events Ian Rogers
2023-04-26 7:00 ` [PATCH v1 21/40] perf parse-events: Wildcard " Ian Rogers
2023-04-26 10:11 ` James Clark
2023-04-27 5:50 ` Ian Rogers
2023-04-27 21:02 ` Ian Rogers
2023-04-26 7:00 ` [PATCH v1 22/40] perf print-events: Print legacy cache events for each PMU Ian Rogers
2023-04-26 7:00 ` [PATCH v1 23/40] perf parse-events: Support wildcards on raw events Ian Rogers
2023-04-26 7:00 ` [PATCH v1 24/40] perf parse-events: Remove now unused hybrid logic Ian Rogers
2023-04-26 7:00 ` [PATCH v1 25/40] perf parse-events: Minor type safety cleanup Ian Rogers
2023-04-26 7:00 ` [PATCH v1 26/40] perf parse-events: Add pmu filter Ian Rogers
2023-04-26 7:00 ` [PATCH v1 27/40] perf stat: Make cputype filter generic Ian Rogers
2023-04-26 7:00 ` [PATCH v1 28/40] perf test: Add cputype testing to perf stat Ian Rogers
2023-04-26 7:00 ` [PATCH v1 29/40] perf test: Fix parse-events tests for >1 core PMU Ian Rogers
2023-04-26 7:00 ` [PATCH v1 30/40] perf parse-events: Support hardware events as terms Ian Rogers
2023-04-26 7:00 ` [PATCH v1 31/40] perf parse-events: Avoid error when assigning a term Ian Rogers
2023-04-26 7:00 ` [PATCH v1 32/40] perf parse-events: Avoid error when assigning a legacy cache term Ian Rogers
2023-04-26 7:00 ` [PATCH v1 33/40] perf parse-events: Don't auto merge hybrid wildcard events Ian Rogers
2023-04-26 7:00 ` [PATCH v1 34/40] perf parse-events: Don't reorder atom cpu events Ian Rogers
2023-04-26 7:00 ` [PATCH v1 35/40] perf metrics: Be PMU specific for referenced metrics Ian Rogers
2023-04-26 7:00 ` [PATCH v1 37/40] perf stat: Command line PMU metric filtering Ian Rogers
2023-04-26 7:00 ` [PATCH v1 38/40] perf vendor events intel: Correct alderlake metrics Ian Rogers
2023-04-26 7:00 ` [PATCH v1 39/40] perf jevents: Don't rewrite metrics across PMUs Ian Rogers
2023-04-26 7:00 ` [PATCH v1 40/40] perf metrics: Be PMU specific in event match Ian Rogers
2023-04-26 13:53 ` [PATCH v1 00/40] Fix perf on Intel hybrid CPUs Liang, Kan
2023-04-26 21:09 ` Arnaldo Carvalho de Melo
2023-04-26 21:33 ` Arnaldo Carvalho de Melo
2023-04-26 22:07 ` Liang, Kan
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