From: Manuel Selva <selva.manuel@gmail.com>
To: Milian Wolff <milian.wolff@kdab.com>, linux-perf-users@vger.kernel.org
Subject: Re: memory consumption information in perf stat?
Date: Thu, 28 Jan 2016 20:55:05 +0100 [thread overview]
Message-ID: <56AA7219.4020803@gmail.com> (raw)
In-Reply-To: <53853116.DaB1LNLXKQ@milian-kdab2>
Hi,
I am not sure perf stat can compute such information because it mainly
count events (hardware or kernel). To compute the peak heap size, perf
stat would require the knowledge of all heap memory allocations.
----
Manu
On 28/01/2016 18:11, Milian Wolff wrote:
> Hey all,
>
> for user-space profiling, it would be extremely useful to get memory
> consumption information such as peak heap size into the output of perf stat.
> Is this doable? I just learned that `command time -v` is able to output the
> maximum and average RSS. It would be extremely nice if `perf stat` could
> incorporate that as well somehow such that I only need a single application to
> look at that.
>
> If this is doable, then feel free to guide me to the code and I'm willing to
> supply a patch for perf stat.
>
> Thanks
next prev parent reply other threads:[~2016-01-28 19:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-28 17:11 memory consumption information in perf stat? Milian Wolff
2016-01-28 19:55 ` Manuel Selva [this message]
2016-01-29 12:30 ` Milian Wolff
2016-02-04 8:51 ` Taeung Song
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