linux-kernel - Re: [PATCH][RFC] tracing: Use class->reg() for all registering of events

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Message-ID: <20100609050534.GA5878@linux.vnet.ibm.com>
Date:	Wed, 9 Jun 2010 10:35:34 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>
Subject: Re: [PATCH][RFC] tracing: Use class->reg() for all registering of
 events

> 
> > I tested the patch and it fixed the regression where
> > perf record -e probe:do_fork -aR sleep 1 would fail. 
> > 
> 
> Thanks! Unfortunately the patch does two things, one is to fix this
> regression, the other is a clean up. Linus is currently only wanting
> fixes now and may not accept the clean up part of this patch. Can you
> test the patch below. It only addresses the regression.


I tested this patch on the mainline(latest git), and perf record is able
to record events. However the other regressions still remain. I am
seeing these on mainline too.

Peter, can you please point me to the fix for the floating point
exception patch? I am not sure if its because of the floating point
exception, but 'perf report' is showing blank output.

--
Thanks and Regards
Srikar

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