linux-kernel - Re: perf: multiplexing broken on amd fam16h?

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Message-ID: <20150722150624.GV25159@twins.programming.kicks-ass.net>
Date:	Wed, 22 Jul 2015 17:06:24 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Vince Weaver <vincent.weaver@...ne.edu>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: perf: multiplexing broken on amd fam16h?

On Wed, Jul 22, 2015 at 11:02:21AM -0400, Vince Weaver wrote:
> On Wed, 22 Jul 2015, Vince Weaver wrote:
> > 
> > OK, so I have to admit I'm a bit weak on ftrace.  What type of command 
> > line are you interested in seeing?  The ones I've tried with trace-cmd
> > have  activated  your trace_printks but there's 500MB of other data mixed 
> > in so maybe I am doing something wrong.
> 
> maybe the "nop" plugin was what I wanted.  I've posted the trace with that 
> here:
> 
> http://web.eece.maine.edu/~vweaver/junk/jaguar.mpx.out.gz

OK, that looks about right, lemme to stare at that.
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