From: David Ahern <dsahern@gmail.com>
To: Peipei Wang <wangpeipei.90@gmail.com>
Cc: perf group <linux-perf-users@vger.kernel.org>
Subject: Re: How to get perf stat output and redirect to a file rather than screen
Date: Thu, 27 Jun 2013 11:49:42 -0600 [thread overview]
Message-ID: <51CC7B36.6030201@gmail.com> (raw)
In-Reply-To: <CAEuYUeqBE57QnF1rqk9G5tM58pXFVvpNP2GE4mQcvE0cLBgncA@mail.gmail.com>
On 6/27/13 11:47 AM, Peipei Wang wrote:
> Hi all.
>
> I want to save the output of perf stat as a file, however, I 've tried
> several ways, none of them works. Here is what I have tried.
> My basic command is " timeout -s SIGINT 4s perf stat -p 32098". That
> is using perf stat to capture process 32098 for 4 seconds.
perf stat -o <stat-output-file> -p 32098
Also, instead of timeout ... you can run:
perf sat -o /tmp/perfstat.out -p 32098 -- sleep 4
That tells perf to profile process 32098 and do so for as long as the
workload is running where the workload is to sleep for 4 seconds.
David
prev parent reply other threads:[~2013-06-27 17:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-27 17:47 How to get perf stat output and redirect to a file rather than screen Peipei Wang
2013-06-27 17:49 ` David Ahern [this message]
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