From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Don Zickus <dzickus@redhat.com>,
Stephane Eranian <eranian@google.com>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [rfc] perf p4 events aliases
Date: Fri, 8 Jul 2011 19:26:57 +0400 [thread overview]
Message-ID: <20110708152657.GH23657@sun> (raw)
In-Reply-To: <1310138473.26417.231.camel@gandalf.stny.rr.com>
On Fri, Jul 08, 2011 at 11:21:13AM -0400, Steven Rostedt wrote:
> On Fri, 2011-07-08 at 11:13 -0400, Don Zickus wrote:
> > On Thu, Jul 07, 2011 at 07:28:49PM +0400, Cyrill Gorcunov wrote:
> > > Hi Don, if you have a chance could you please check if this
> > > patch does a trick for nmi-watchdog and perf top? The idea
> > > is to use aliases as being proposed early.
> >
> > Hmm, didn't work for me. The watchdog seems to work but 'perf top' showed
> > nothing (even after 30 seconds). I tried this on Linus's latest -tip and
> > Ingo's perf/core -tip. No luck.
>
> Yeah I did the same. Without the patch, perf top works, with the patch I
> get nothing.
>
In real it's good that it didn't find alias, since there a potential dead-lock
if event become alternative and alternative then found to be busy, i'm working
on it as well ;)
Cyrill
prev parent reply other threads:[~2011-07-08 15:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-07 15:28 [rfc] perf p4 events aliases Cyrill Gorcunov
2011-07-08 15:13 ` Don Zickus
2011-07-08 15:21 ` Cyrill Gorcunov
2011-07-08 15:21 ` Steven Rostedt
2011-07-08 15:26 ` Cyrill Gorcunov [this message]
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