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Date:   Tue, 21 Feb 2017 12:20:28 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>, David Ahern <dsahern@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCHv2 4/5] perf stat: Add -a as a default target

On Tue, Feb 21, 2017 at 12:04:51PM +0100, Jiri Olsa wrote:
> could you please test this change?

LGTM, thanks!

$ ./perf stat -v -e amd_nb/event=0xe0,umask=0x1f/ sleep 1
Using CPUID AuthenticAMD-21-2
amd_nb/event=0xe0,umask=0x1f/: 249356 1002053637 1002053637

 Performance counter stats for 'system wide':

           249,356      amd_nb/event=0xe0,umask=0x1f/

       1.002080419 seconds time elapsed

$ ./perf stat -v -e amd_nb/event=0xe0,umask=0x1f/,cycles sleep 1
Using CPUID AuthenticAMD-21-2
Warning:
amd_nb/event=0xe0,umask=0x1f/ event is not supported by the kernel.
failed to read counter amd_nb/event=0xe0,umask=0x1f/
amd_nb/event=0xe0,umask=0x1f/: 0 0 0
cycles: 1223719 815034 815034

 Performance counter stats for 'sleep 1':

   <not supported>      amd_nb/event=0xe0,umask=0x1f/
         1,223,719      cycles

       1.001679931 seconds time elapsed

$ ./perf stat -v -e amd_nb/event=0xe0,umask=0x1f/,amd_nb/event=0xe1,umask=0x3/ sleep 1
Using CPUID AuthenticAMD-21-2
amd_nb/event=0xe0,umask=0x1f/: 262994 1001697720 1001697720
amd_nb/event=0xe1,umask=0x3/: 0 1001701216 1001701216

 Performance counter stats for 'system wide':

           262,994      amd_nb/event=0xe0,umask=0x1f
                 0      amd_nb/event=0xe1,umask=0x3/

       1.001718951 seconds time elapsed

$ ./perf stat -v -e amd_nb/event=0xe0,umask=0x1f/,amd_nb/event=0xe1,umask=0x3/,amd_nb/event=0xe2,umask=0x3/ sleep 1
Using CPUID AuthenticAMD-21-2
amd_nb/event=0xe0,umask=0x1f/: 203936 1001654831 1001654831
amd_nb/event=0xe1,umask=0x3/: 0 1001657636 1001657636
amd_nb/event=0xe2,umask=0x3/: 988016 1001657991 1001657991

 Performance counter stats for 'system wide':

           203,936      amd_nb/event=0xe0,umask=0x1f/
                 0      amd_nb/event=0xe1,umask=0x3/
           988,016      amd_nb/event=0xe2,umask=0x3/

       1.001681434 seconds time elapsed

$ ./perf stat -v -a -e amd_nb/event=0xe0,umask=0x1f/,amd_nb/event=0xe1,umask=0x3/,amd_nb/event=0xe2,umask=0x3/,cycles sleep 1
Using CPUID AuthenticAMD-21-2
amd_nb/event=0xe0,umask=0x1f/: 365803 1001738673 1001738673
amd_nb/event=0xe1,umask=0x3/: 0 1001736790 1001736790
amd_nb/event=0xe2,umask=0x3/: 1884159 1001731876 1001731876
cycles: 156820391 8014227609 8014227609

 Performance counter stats for 'system wide':

           365,803      amd_nb/event=0xe0,umask=0x1f/
                 0      amd_nb/event=0xe1,umask=0x3/
         1,884,159      amd_nb/event=0xe2,umask=0x3/
       156,820,391      cycles

       1.001963906 seconds time elapsed

-- 
Regards/Gruss,
    Boris.

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