From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Namhyung Kim <namhyung.kim@lge.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [BUG] perf top -G is broken
Date: Wed, 2 May 2012 13:02:50 -0300 [thread overview]
Message-ID: <20120502160250.GB5745@infradead.org> (raw)
In-Reply-To: <87pqanmh2y.fsf@sejong.aot.lge.com>
Em Wed, May 02, 2012 at 11:50:45AM +0900, Namhyung Kim escreveu:
>
> Hi,
>
> Some guy reported me that perf top -G is broken with segment fault. I
> can reproduce it on my system easily but the time is vary - few seconds
> to 30 minutes. I ran it with --stdio to get a core file:
Does it help to increase --mmap-pages from its default, 128, to
something like 512 or more?
Also try running with -r 90.
- Arnaldo
next prev parent reply other threads:[~2012-05-03 14:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 2:50 [BUG] perf top -G is broken Namhyung Kim
2012-05-02 16:02 ` Arnaldo Carvalho de Melo [this message]
2012-05-04 4:09 ` Namhyung Kim
2012-05-04 21:55 ` David Ahern
2012-05-05 22:42 ` Arnaldo Carvalho de Melo
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