From: Tim Chen <tim.c.chen@linux.intel.com>
To: David Ahern <dsahern@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
linux-perf-users@vger.kernel.org, ak <ak@linux.intel.com>
Subject: Re: Perf record premature termination
Date: Tue, 12 Feb 2013 09:07:31 -0800 [thread overview]
Message-ID: <1360688851.17632.195.camel@schen9-DESK> (raw)
In-Reply-To: <51197120.7030207@gmail.com>
On Mon, 2013-02-11 at 15:30 -0700, David Ahern wrote:
> On 2/11/13 3:15 PM, Tim Chen wrote:
> > On Mon, 2013-02-11 at 12:34 -0700, David Ahern wrote:
> >> On 2/11/13 11:50 AM, Tim Chen wrote:
> >>> David,
> >>>
> >>> When I am doing a profiling of kernel compile with 32 threads on a 4
> >>> socket westmere machine, I found that perf record terminated right away
> >>> for the version of perf in 3.7 kernel source tree.
> >>> There's no profile data recroded and the compile is running in
> >>> background.
> >>>
> >>> $ make -j32 &
> >>> then
> >>> $ sudo /test/perf record -a -g -f sleep 5
> >>> sleep: Terminated
>
> This is the more appropriate fix. Make mmap consistent with comm. Revert
> the other one.
Thanks. Works for me.
Tim
next prev parent reply other threads:[~2013-02-12 17:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-11 18:50 Perf record premature termination Tim Chen
2013-02-11 19:05 ` David Ahern
2013-02-11 19:34 ` David Ahern
2013-02-11 22:15 ` Tim Chen
2013-02-11 22:30 ` David Ahern
2013-02-12 17:07 ` Tim Chen [this message]
2013-02-12 17:16 ` David Ahern
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