linux-kernel - Re: [PATCH] perf dlfilter: Add dlfilter-show-cycles

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Message-ID: <7bee95a7-fa31-a801-8068-80c63ba6ccfe@linux.intel.com>
Date:   Mon, 6 Sep 2021 19:54:09 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf dlfilter: Add dlfilter-show-cycles


On 9/6/2021 9:08 AM, Adrian Hunter wrote:
> Add a new dlfilter to show cycles.
>
> Cycle counts are accumulated per CPU (or per thread if CPU is not recorded)
> from IPC information, and printed together with the change since the last
> print, at the start of each line.


Thanks! An example how to use it would be nice (but maybe Arnaldo will 
just add that with his usual testing comment). And I guess the linear 
search could be a problem at some point, but I guess it's good enough 
for now.

Reviewed-by: Andi Kleen <ak@...ux.intel.com>