linux-kernel - Re: [PATCH -tip] perf_counter tools: shorten names for events

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Date:	Thu, 25 Jun 2009 18:53:36 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] perf_counter tools: shorten names for events

On Thu, 2009-06-25 at 14:48 +0200, Thomas Gleixner wrote:
> On Thu, 25 Jun 2009, Ingo Molnar wrote:
> 
> > 
> > * Thomas Gleixner <tglx@...utronix.de> wrote:
> > 
> > > On Thu, 25 Jun 2009, Jaswinder Singh Rajput wrote:
> > > > On Tue, 2009-06-23 at 21:56 +0200, Ingo Molnar wrote:
> > > > 
> > > >       248064467  L1-data-Cache-Load-Referencees  (scaled from 23.27%)
> > > >       283542921  dL1-loads             (scaled from 23.28%)
> > > 
> > > Where is the point of this? dL1-loads is a completely non 
> > > intuitive artificial abbreviation.
> > 
> > blame me :)
> > 
> > I found L1-data-Cache-Load-References way too long and i asked for 
> > suggestions and came up with my list of abbreviations.
> > 
> > I found 'dL1' intuitive because we use 'dTLB' and 'iTLB' as well.
> 
> :)
>  
> > How about L1-data-loads ?
> 
> Yeah, something like that would be nice. The ones Roland
> suggested are fine as well.
> 

This still looks ugly and lines are again long check for
'L1-dcache-prefetch-misses' and does not solve the purpose :

 Performance counter stats for 'ls -lR /usr/include/':
 
      254259235  L1-dcache-loads       (scaled from 22.69%)
        1129360  L1-dcache-load-misses  (scaled from 23.05%)
         151929  L1-dcache-stores      (scaled from 22.94%)
         395089  L1-dcache-prefetches  (scaled from 23.30%)
         273699  L1-dcache-prefetch-misses  (scaled from 23.19%)
      253780608  L1-icache-loads       (scaled from 23.07%)
        4014781  L1-icache-load-misses  (scaled from 23.16%)
          94336  L1-icache-prefetches  (scaled from 23.66%)
        5553717  LLC-loads             (scaled from 23.70%)
         533195  LLC-load-misses       (scaled from 23.68%)
        5534185  LLC-stores            (scaled from 23.92%)
      252786406  dTLB-loads            (scaled from 23.86%)
        5058100  dTLB-load-misses      (scaled from 24.17%)
      248308183  iTLB-loads            (scaled from 24.55%)
           4627  iTLB-load-misses      (scaled from 24.10%)
      106942084  branches              (scaled from 23.93%)
        5280013  branch-misses         (scaled from 23.06%)

Please check my patch which I send few minutes ago.

Thanks,
--
JSR

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