linux-kernel - Re: [RFC 0/5] perf, tool: uncore related changes

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Message-ID: <CABPqkBRw_YALNuRfTOsmEqT7omtFJ1FLYVDip_nrdP=0qULCbw@mail.gmail.com>
Date:	Wed, 23 May 2012 17:21:11 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	zheng.z.yan@...el.com, a.p.zijlstra@...llo.nl, mingo@...e.hu,
	andi@...stfloor.org, ming.m.lin@...el.com,
	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 0/5] perf, tool: uncore related changes

On Wed, May 23, 2012 at 5:16 PM, Jiri Olsa <jolsa@...hat.com> wrote:
> On Wed, May 23, 2012 at 04:53:13PM +0200, Stephane Eranian wrote:
>> Jiri,
>>
>> Is there a way with the current parser to have a syntax as follows:
>>
>>  perf stat -e cpu/event=cycles,edge/ ...
>>
>> In other words, avoid juggling between -e cycles and the -e
>> cpu/event=.../ syntax?
>
Also with this new syntax, how am I supposed to request precise sampling?

   perf stat -e cpu/event=cycles,edge,precise=1/

> I think it's possible.. so far we have the cpu/event=../ term in use for number
> assignment. We could do string translation to appropriate values.. I'll check
>
> added to my todo list ;)
>
> jirka
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