From: Andi Kleen <ak@linux.intel.com>
To: James Clark <james.clark@linaro.org>
Cc: irogers@google.com, linux-perf-users@vger.kernel.org,
John Garry <john.g.garry@oracle.com>,
Will Deacon <will@kernel.org>, Mike Leach <mike.leach@linaro.org>,
Leo Yan <leo.yan@linux.dev>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
"Liang, Kan" <kan.liang@linux.intel.com>,
Weilin Wang <weilin.wang@intel.com>,
Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
Dominique Martinet <asmadeus@codewreck.org>,
Yang Jihong <yangjihong@bytedance.com>,
Colin Ian King <colin.i.king@gmail.com>,
Ze Gao <zegao2021@gmail.com>,
Jing Zhang <renyu.zj@linux.alibaba.com>,
Sun Haiyong <sunhaiyong@loongson.cn>,
Yicong Yang <yangyicong@hisilicon.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 0/7] Event parsing fixes
Date: Tue, 27 Aug 2024 22:16:31 -0700 [thread overview]
Message-ID: <Zs6yrwmn-rJWWaCr@tassilo> (raw)
In-Reply-To: <20240822132506.1468090-1-james.clark@linaro.org>
> There is one small difference where it now shows "stalled-cycles-..."
> as <not supported> events, when before it just didn't show them at all when
> they weren't supported:
>
> $ perf stat -- true
>
> Performance counter stats for 'true':
>
> 0.66 msec task-clock # 0.384 CPUs utilized
> 0 context-switches # 0.000 /sec
> 0 cpu-migrations # 0.000 /sec
> 52 page-faults # 78.999 K/sec
> <not counted> cpu_atom/instructions/ (0.00%)
> 978,399 cpu_core/instructions/ # 1.02 insn per cycle
> <not counted> cpu_atom/cycles/ (0.00%)
> 959,722 cpu_core/cycles/ # 1.458 GHz
> <not supported> cpu_atom/stalled-cycles-frontend/
> <not supported> cpu_core/stalled-cycles-frontend/
>
> I don't think that's a big deal though and could probably be fixed up
> later if we really want to.
I would prefer if that was fixed up. That's quite ugly for the default
view on x86/Intel.
-Andi
prev parent reply other threads:[~2024-08-28 5:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-22 13:24 [PATCH v4 0/7] Event parsing fixes James Clark
2024-08-22 13:24 ` [PATCH v4 1/7] perf evsel: Add alternate_hw_config and use in evsel__match James Clark
2024-08-22 13:24 ` [PATCH v4 2/7] perf stat: Uniquify event name improvements James Clark
2024-08-22 13:24 ` [PATCH v4 3/7] perf stat: Remove evlist__add_default_attrs use strings James Clark
2024-08-22 13:24 ` [PATCH v4 4/7] perf evsel x86: Make evsel__has_perf_metrics work for legacy events James Clark
2024-08-22 13:24 ` [PATCH v4 5/7] perf evsel: Remove pmu_name James Clark
2024-08-22 13:24 ` [PATCH v4 6/7] perf test: Make stat test work on DT devices James Clark
2024-08-22 13:24 ` [PATCH v4 7/7] perf test: Add a test for default perf stat command James Clark
2024-08-22 14:32 ` [PATCH v4 0/7] Event parsing fixes Liang, Kan
2024-08-22 15:10 ` Ian Rogers
2024-08-22 15:18 ` Liang, Kan
2024-08-27 9:13 ` James Clark
2024-08-28 5:16 ` Andi Kleen [this message]
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