linux-kernel - Re: [PATCH v2]: perf record: enable arbitrary event names thru name= modifier

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Message-ID: <20180604134716.GD3397@kernel.org>
Date:   Mon, 4 Jun 2018 10:47:16 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v2]: perf record: enable arbitrary event names thru name=
 modifier

Em Fri, Jun 01, 2018 at 04:01:00PM -0700, Andi Kleen escreveu:
> On Thu, May 31, 2018 at 05:08:12PM +0300, Alexey Budankov wrote:
> > 
> > Enable complex event names containing [.:=,] symbols to be encoded into Perf 
> > trace using name= modifier e.g. like this:
> > 
> > perf record -e cpu/name=\'OFFCORE_RESPONSE:request=DEMAND_RFO:response=L3_HIT.SNOOP_HITM\',\
> > 		period=0x3567e0,event=0x3c,cmask=0x1/Duk ./futex
> > 
> > Below is how it looks like in the report output. Please note explicit escaped 
> > quoting at cmdline string in the header so that thestring can be directly reused
> > for another collection in shell:
> 
> Patch looks good, but new syntax also needs to be documented in some manpage
> (e.g. perf list)

He added the doc part in his v3 post, so I'l collecting your Acked-by,
ok?

- Arnaldo