linux-kernel - Re: perf: Add support for full Intel event lists

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Message-ID: <20140306093755.GA3830@krava.brq.redhat.com>
Date:	Thu, 6 Mar 2014 10:37:55 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	acme@...radead.org, mingo@...nel.org, linux-kernel@...r.kernel.org,
	peterz@...radead.org, eranian@...gle.com, namhyung@...nel.org
Subject: Re: perf: Add support for full Intel event lists

On Wed, Mar 05, 2014 at 11:49:30AM -0800, Andi Kleen wrote:

SNIP

> Patches also available from
> git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc perf/json
> 
> Example output:
> 
> % perf download 
> Downloading models file
> Downloading readme.txt
> 2014-03-05 10:39:33 URL:https://download.01.org/perfmon/readme.txt [10320/10320] -> "readme.txt" [1]
> 2014-03-05 10:39:34 URL:https://download.01.org/perfmon/mapfile.csv [1207/1207] -> "mapfile.csv" [1]
> Downloading events file
> % perf list
> ...
>   br_inst_exec.all_branches                          [Speculative and retired
>                                                       branches]
>   br_inst_exec.all_conditional                       [Speculative and retired
>                                                       macro-conditional
>                                                       branches]
>   br_inst_exec.all_direct_jmp                        [Speculative and retired
>                                                       macro-unconditional
>                                                       branches excluding
>                                                       calls and indirects]
> ... 333 more new events ...
> 
> % perf stat -e br_inst_exec.all_direct_jmp true
> 
>  Performance counter stats for 'true':
> 
>              6,817      cpu/br_inst_exec.all_direct_jmp/                                   
> 
>        0.003503212 seconds time elapsed
> 
> One nice feature is that a pointer to the specification update is now
> included in the description, which will hopefully clear up many problems:
> 
> % perf list
> ...
>   mem_load_uops_l3_hit_retired.xsnp_hit              [Retired load uops which
>                                                       data sources were L3
>                                                       and cross-core snoop
>                                                       hits in on-pkg core
>                                                       cache. Supports address
>                                                       when precise. Spec
>                                                       update: HSM26, HSM30
>                                                       (Precise event)]
> ...

nice! going to review this soon

jirka
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