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Re: [PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v

From Andi Kleen <andi@firstfloor.org>
Newsgroups linux.kernel
Subject Re: [PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v
Date 2016-04-06 17:20 +0200
Message-ID <rkXpn-5RF-5@gated-at.bofh.it> (permalink)
References <rkjBD-lz-3@gated-at.bofh.it> <rkjBD-lz-1@gated-at.bofh.it> <rkWMG-5h0-3@gated-at.bofh.it>
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On Wed, Apr 06, 2016 at 11:32:20AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Apr 04, 2016 at 01:41:54PM -0700, Andi Kleen escreveu:
> > From: Andi Kleen <ak@linux.intel.com>
> > 
> > Add debug output of raw counter values per CPU when
> > perf stat -v is specified, together with their cpu numbers.
> > This is very useful to debug problems with per core counters,
> > where we can normally only see aggregated values.
> 
> Can we do it only when per CPU is in place?

Even then it is useful because the output is aggregated,
so we don't know which CPU reported what.

Can perhaps increase the verbose threshold and only
print it for -vv or -vvv ?

-Andi

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[PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v Andi Kleen <andi@firstfloor.org> - 2016-04-04 22:50 +0200
  Re: [PATCH 11/11] perf, tools, stat: Add extra output of counter  values with -v Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-06 16:40 +0200
    Re: [PATCH 11/11] perf, tools, stat: Add extra output of counter  values with -v Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-06 17:20 +0200
    Re: [PATCH 11/11] perf, tools, stat: Add extra output of counter  values with -v Andi Kleen <andi@firstfloor.org> - 2016-04-06 17:20 +0200

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