linux-kernel - Re: perf, tools: Refactor and support interval and CSV metrics

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Date:	Mon, 7 Mar 2016 19:22:27 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
	jolsa@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: perf, tools: Refactor and support interval and CSV metrics

On Mon, Mar 07, 2016 at 11:08:42AM +0100, Jiri Olsa wrote:
> On Thu, Mar 03, 2016 at 03:57:31PM -0800, Andi Kleen wrote:
> 
> SNIP
> 
> > 
> > % perf stat -x, --metric-only  -a -I 1000
> >      1.001381652,frontend cycles idle,insn per cycle,stalled cycles per insn,branch-misses of all branches,
> >      1.001381652,173.32,0.83,2.09,1.73,
> >      2.002073343,199.47,1.07,1.60,2.14,
> >      3.002875524,109.52,0.22,7.83,1.63,
> >      4.003970059,132.10,0.17,10.85,1.51,
> >      5.004818754,181.60,0.22,8.87,2.22,
> > 
> > 
> > Available in
> > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc-2.6 perf/stat-metrics-21
> 
> this branch contains old version of:
>   perf, tools, stat: Add --metric-only support for -A

Old in what way? Looks correct to me.


commit e26ba80593023c24c8276ad9853acd7e56ca92ed
Author: Andi Kleen <ak@...ux.intel.com>
Date:   Sat Dec 19 11:22:55 2015 -0800

    perf, tools, stat: Add --metric-only support for -A
    
    Add metric only support for -A too. This requires a new print
    function that prints the metrics in the right order.
    
    v2: Fix manpage
    v3: Simplify nrcpus computation
    Signed-off-by: Andi Kleen <ak@...ux.intel.com>