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From: Namhyung Kim <namhyung@gmail.com>
To: rainkin <rainkin1993@gmail.com>
Cc: linux-perf-users <linux-perf-users@vger.kernel.org>
Subject: Re: [Question] How to sample PERF_TYPE_HARDWARE
Date: Fri, 19 Feb 2021 16:09:51 +0900	[thread overview]
Message-ID: <CAM9d7cjX-ZaNfR-ObpeaWQXkLkxzWrYt9Szdrh1=Kaz+UhDK9w@mail.gmail.com> (raw)
In-Reply-To: <CAHb-xau-HhbuLL0aKyzmHjCixETcMNV7xGxGj_bBYoSVQd_R2w@mail.gmail.com>

On Thu, Feb 18, 2021 at 11:05 AM rainkin <rainkin1993@gmail.com> wrote:
>
> Hi Namhyung,
> Thanks for your reply.
> Let me make my goal more clear: record the number of occurring branch
> instructions (PERF_COUNT_HW_BRANCH_INSTRUCTIONS) every N cycles
> (PERF_COUNT_HW_CPU_CYCLES).

Please try this:

  perf record -c N -e '{cycles,branches}:S'
  perf script

Thanks,
Namhyung

      reply	other threads:[~2021-02-19  7:11 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08  3:47 [Question] How to sample PERF_TYPE_HARDWARE rainkin
2021-02-16  7:50 ` Namhyung Kim
2021-02-18  1:22   ` rainkin
2021-02-18  2:04   ` rainkin
2021-02-19  7:09     ` Namhyung Kim [this message]

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