From: Ingo Molnar <mingo@elte.hu>
To: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Cc: a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org,
Mike Galbraith <efault@gmx.de>,
Thomas Gleixner <tglx@linutronix.de>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Corey Ashford <cjashfor@linux.vnet.ibm.com>
Subject: Re: perf counter issue - WARN_ON_ONCE(!list_empty(&tsk->perf_counter_ctx.counter_list));
Date: Fri, 15 May 2009 15:56:04 +0200 [thread overview]
Message-ID: <20090515135604.GC16389@elte.hu> (raw)
In-Reply-To: <20090513165724.GA32707@in.ibm.com>
* Srivatsa Vaddagiri <vatsa@in.ibm.com> wrote:
> On Wed, May 13, 2009 at 10:24:33PM +0530, Srivatsa Vaddagiri wrote:
> > I am hitting this warning in kernel/exit.c (latest -tip code):
> >
> > WARN_ON_ONCE(!list_empty(&tsk->perf_counter_ctx.counter_list));
> >
> > I was using perf counters against a java benchmark.
>
> Basically using perf counters as:
>
> $ perf stat java ....
hm, is there a reproducer perhaps? Is there some class file i could
run with specific parameters to reproduce it?
Ingo
next prev parent reply other threads:[~2009-05-15 13:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-13 16:54 perf counter issue - WARN_ON_ONCE(!list_empty(&tsk->perf_counter_ctx.counter_list)); Srivatsa Vaddagiri
2009-05-13 16:57 ` Srivatsa Vaddagiri
2009-05-15 13:56 ` Ingo Molnar [this message]
2009-05-15 14:51 ` Arnaldo Carvalho de Melo
2009-05-15 15:58 ` Srivatsa Vaddagiri
2009-05-15 16:13 ` Peter Zijlstra
2009-05-15 17:37 ` Peter Zijlstra
2009-05-15 20:27 ` Peter Zijlstra
2009-05-18 4:45 ` Paul Mackerras
2009-05-22 6:25 ` Srivatsa Vaddagiri
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