From: Andi Kleen <ak@linux.intel.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Ian Rogers <irogers@google.com>
Subject: Re: [PATCHSET 0/5] perf report: Make --stat output more compact
Date: Sun, 25 Apr 2021 21:31:47 -0700 [thread overview]
Message-ID: <20210426043147.GU1401198@tassilo.jf.intel.com> (raw)
In-Reply-To: <CAM9d7cjKdo6AKAL43-mp+hpx9m_8UU6j8Zy1RUZkLdh27bR_ig@mail.gmail.com>
> Hmm.. do you want something like this?
>
> TOTAL events: 20064
> MMAP events: 239 ( 1.2%)
> COMM events: 1518 ( 7.6%)
> EXIT events: 1 (0.0%)
> FORK events: 1517 (7.6%)
> SAMPLE events: 4015 (20.0%)
> MMAP2 events: 12769 (63.6%)
Yes that's it.
Really shows how inefficient perf is for short measurement
periods.
-Andi
next prev parent reply other threads:[~2021-04-26 4:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 18:28 Namhyung Kim
2021-04-23 18:28 ` [PATCH 1/5] perf top: Use evlist->events_stat to count events Namhyung Kim
2021-04-23 18:28 ` [PATCH 2/5] perf hists: Split hists_stats from events_stats Namhyung Kim
2021-04-23 18:28 ` [PATCH 3/5] perf report: Show event sample counts in --stat output Namhyung Kim
2021-04-23 18:28 ` [PATCH 4/5] perf report: Add --skip-empty option to suppress 0 event stat Namhyung Kim
2021-04-23 18:28 ` [PATCH 5/5] perf report: Make --skip-empty as default Namhyung Kim
2021-04-23 18:46 ` [PATCHSET 0/5] perf report: Make --stat output more compact Andi Kleen
2021-04-23 19:00 ` Namhyung Kim
2021-04-23 20:20 ` Andi Kleen
2021-04-25 18:07 ` Namhyung Kim
2021-04-26 4:31 ` Andi Kleen [this message]
2021-04-26 12:53 ` Arnaldo Carvalho de Melo
2021-04-24 12:23 ` Jiri Olsa
2021-04-25 18:03 ` Namhyung Kim
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