linux-kernel - Re: [PATCH v4 0/4] perf: Support a new 'percore' event qualifier

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Message-ID: <20190515194054.GH23162@kernel.org>
Date:   Wed, 15 May 2019 16:40:54 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     jolsa@...nel.org, peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
        ak@...ux.intel.com, kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH v4 0/4] perf: Support a new 'percore' event qualifier

Em Fri, Apr 12, 2019 at 09:59:46PM +0800, Jin Yao escreveu:
> The 'percore' event qualifier which sums up the event counts for both
> hardware threads in a core. For example,
> 
> perf stat -e cpu/event=0,umask=0x3,percore=1/,cpu/event=0,umask=0x3/
> 
> In this example, we count the event 'ref-cycles' per-core and per-CPU in
> one perf stat command-line.
> 
> We can already support per-core counting with --per-core, but it's
> often useful to do this together with other metrics that are collected
> per CPU (per hardware thread). So this patch series supports this
> per-core counting on a event level.
> 
>  v4:
>  ---
>  Add percore qualifier to documantation.
>  Rebase to latest perf/core branch

Thanks, applied.

- Arnaldo