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

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Date:	Tue, 23 Jun 2009 19:22:24 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] perf_counter tools: shorten names for events

Hello Ingo,

On Tue, 2009-06-23 at 17:58 +0530, Jaswinder Singh Rajput wrote:
> On AMD box:
> $ ./perf stat -e l1d -e l1d-misses -e l1d-write -e l1d-prefetch -e l1d-prefetch-miss -e l1i -e l1i-misses -e l1i-prefetch -e l2 -e l2-misses -e l2-write -e dtlb -e dtlb-misses -e itlb -e itlb-misses -e bpu -e bpu-misses -- ls -lR /usr/include/ > /dev/null
> 
> Before :
> 
>  Performance counter stats for 'ls -lR /usr/include/':
> 
>       248064467  L1-data-Cache-Load-Referencees  (scaled from 23.27%)
>         1001433  L1-data-Cache-Load-Misses  (scaled from 23.34%)
>          153691  L1-data-Cache-Store-Referencees  (scaled from 23.34%)
>          423248  L1-data-Cache-Prefetch-Referencees  (scaled from 23.33%)
>          302138  L1-data-Cache-Prefetch-Misses  (scaled from 23.25%)
>       251217546  L1-instruction-Cache-Load-Referencees  (scaled from 23.25%)
>         5757005  L1-instruction-Cache-Load-Misses  (scaled from 23.23%)
>           93435  L1-instruction-Cache-Prefetch-Referencees  (scaled from 23.24%)
>         6496073  L2-Cache-Load-Referencees  (scaled from 23.32%)
>          609485  L2-Cache-Load-Misses  (scaled from 23.45%)
>         6876991  L2-Cache-Store-Referencees  (scaled from 23.71%)
>       248922840  Data-TLB-Cache-Load-Referencees  (scaled from 23.94%)
>         5828386  Data-TLB-Cache-Load-Misses  (scaled from 24.17%)
>       257613506  Instruction-TLB-Cache-Load-Referencees  (scaled from 24.20%)
>            6833  Instruction-TLB-Cache-Load-Misses  (scaled from 23.88%)
>       109043606  Branch-Cache-Load-Referencees  (scaled from 23.64%)
>         5552296  Branch-Cache-Load-Misses  (scaled from 23.42%)
> 
>     0.413702461  seconds time elapsed.
> 
> After :
> 
>  Performance counter stats for 'ls -lR /usr/include/':
> 
>       259250339  L1-d-load-refs        (scaled from 22.73%)
>         1187200  L1-d-load-miss        (scaled from 23.01%)
>          150454  L1-d-store-refs       (scaled from 23.01%)
>          494252  L1-d-prefetch-refs    (scaled from 23.29%)
>          362661  L1-d-prefetch-miss    (scaled from 23.73%)
>       247343449  L1-i-load-refs        (scaled from 23.71%)
>         4804990  L1-i-load-miss        (scaled from 23.85%)
>          108711  L1-i-prefetch-refs    (scaled from 23.83%)
>         6260313  L2-load-refs          (scaled from 23.82%)
>          605425  L2-load-miss          (scaled from 23.82%)
>         6898075  L2-store-refs         (scaled from 23.96%)
>       248334160  d-TLB-load-refs       (scaled from 23.95%)
>         3812835  d-TLB-load-miss       (scaled from 23.87%)
>       253208496  i-TLB-load-refs       (scaled from 23.73%)
>            5873  i-TLB-load-miss       (scaled from 23.46%)
>       110891027  Branch-load-refs      (scaled from 23.21%)
>         5529622  Branch-load-miss      (scaled from 23.02%)
> 
>     0.374790195  seconds time elapsed.
> 
> Reported-by : Ingo Molnar <mingo@...e.hu>
> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
> ---

Is this looks OK to you.

Thanks,
--
JSR


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