From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: "Liang, Kan" <kan.liang@intel.com>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Yao Jin <yao.jin@linux.intel.com>,
Kan Liang <kan.liang@linux.intel.com>
Subject: Re: [PATCH] perf stat: Add Topdown metrics L2 events as default events
Date: Fri, 9 Jul 2021 09:52:03 -0300 [thread overview]
Message-ID: <YOhGc+81IjLKRXVS@kernel.org> (raw)
In-Reply-To: <CAM9d7ciuJFpFJC+DSdSg=3VeK_YUgSiWdTE++LZHk4ir6NGLtg@mail.gmail.com>
Em Thu, Jul 08, 2021 at 10:31:34PM -0700, Namhyung Kim escreveu:
> On Thu, Jul 8, 2021 at 9:04 AM <kan.liang@intel.com> wrote:
> > With the patch:
> > $ perf stat sleep 1
> > Performance counter stats for 'sleep 1':
> > 0.59 msec task-clock # 0.001 CPUs utilized
> > 1 context-switches # 1.687 K/sec
> > 0 cpu-migrations # 0.000 /sec
> > 76 page-faults # 128.198 K/sec
> > 1,405,318 cycles # 2.371 GHz
> > 1,471,136 instructions # 1.05 insn per cycle
> > 310,132 branches # 523.136 M/sec
> > 10,435 branch-misses # 3.36% of all branches
> > 8,431,908 slots # 14.223 G/sec
> > 1,554,116 topdown-retiring # 18.4% retiring
> > 1,289,585 topdown-bad-spec # 15.2% bad speculation
> > 2,810,636 topdown-fe-bound # 33.2% frontend bound
> > 2,810,636 topdown-be-bound # 33.2% backend bound
> > 231,464 topdown-heavy-ops # 2.7% heavy operations # 15.6% light operations
> > 1,223,453 topdown-br-mispredict # 14.5% branch mispredict # 0.8% machine clears
> > 1,884,779 topdown-fetch-lat # 22.3% fetch latency # 10.9% fetch bandwidth
> > 1,454,917 topdown-mem-bound # 17.2% memory bound # 16.0% Core bound
> > 1.001179699 seconds time elapsed
> > 0.000000000 seconds user
> > 0.001238000 seconds sys
> > Reviewed-by: Andi Kleen <ak@linux.intel.com>
> > Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
> Acked-by: Namhyung Kim <namhyung@kernel.org>
Thanks, applied.
- Arnaldo
prev parent reply other threads:[~2021-07-09 12:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-08 16:02 [PATCH] perf stat: Add Topdown metrics L2 events as default events kan.liang
2021-07-09 5:31 ` Namhyung Kim
2021-07-09 12:52 ` Arnaldo Carvalho de Melo [this message]
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