linux-kernel - Re: [PATCH 1/1] perf stat: Only auto-merge events that are PMU aliases

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Date:   Fri, 1 Sep 2017 18:12:36 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>, Ingo Molnar <mingo@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] perf stat: Only auto-merge events that are PMU
 aliases

On Thu, Aug 31, 2017 at 03:41:22PM -0300, Arnaldo Carvalho de Melo wrote:
> Hi Andi, Jiri,
> 
> 	Please check the patch below, would be glad to have your acks,
> 
> - Arnaldo
> 
> Peter reported that when he explicitely asked for multiple events with
> the same name on the command line it got coalesced into just one line,
> i.e.:
> 
>    # perf stat -e cycles -e cycles -e cycles usleep 1
> 
>    Performance counter stats for 'usleep 1':
> 
>          3,269,652      cycles
> 
>        0.000884123 seconds time elapsed

looks good 

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka