linux-kernel - Re: [PATCH v1 1/2] perf header: Support HYBRID

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Message-ID: <YJFgrKB9ZavgbA1P@krava>
Date:   Tue, 4 May 2021 16:56:44 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     acme@...nel.org, 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 v1 1/2] perf header: Support HYBRID_TOPOLOGY feature

On Fri, Apr 30, 2021 at 03:46:01PM +0800, Jin Yao wrote:
> It would be useful to let user know the hybrid topology.
> Adding HYBRID_TOPOLOGY feature in header to indicate the
> core cpus and the atom cpus.
> 
> With this patch,
> 
> For the perf.data generated on hybrid platform,
> reports the hybrid cpu list.
> 
>   root@...pl-adl-s-2:~# perf report --header-only -I
>   ...
>   # cpu_core cpu list : 0-15
>   # cpu_atom cpu list : 16-23

hum, should we print 'hybrid:' or something to make
sure its not confused with something else? like

  # hybrid cpu_core cpu list : 0-15
  # hybrid cpu_atom cpu list : 16-23

jirka