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From: Andi Kleen <ak@linux.intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	acme@kernel.org, jolsa@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 05/19] perf, tools: Support weak groups
Date: Tue, 22 Aug 2017 14:00:43 -0700	[thread overview]
Message-ID: <20170822210043.GB28715@tassilo.jf.intel.com> (raw)
In-Reply-To: <20170822083608.GE23985@krava>

> also if I put 'cycles' instead of the l2_rqsts.all_code_rd,
> I get clean open but 'not counted' as result.. I wonder
> there's some counter scheduling issue
> 
> [root@krava perf]# ./perf stat -v -e '{branches,branch-misses,l1d.replacement,l2_lines_in.all,cycles}:W' -a sleep 1
> Using CPUID GenuineIntel-6-3D
> l1d.replacement -> cpu/umask=0x1,period=2000003,event=0x51/
> l2_lines_in.all -> cpu/umask=0x7,period=100003,event=0xf1/
> branches: 0 4004293853 0
> branch-misses: 0 4004293853 0
> l1d.replacement: 0 4004293853 0
> l2_lines_in.all: 0 4004293853 0
> cycles: 0 4004293853 0
> 
>  Performance counter stats for 'system wide':
> 
>      <not counted>      branches                                                      (0.00%)
>      <not counted>      branch-misses                                                 (0.00%)
>      <not counted>      l1d.replacement                                               (0.00%)
>      <not counted>      l2_lines_in.all                                               (0.00%)
>      <not counted>      cycles                                                        (0.00%)
> 
>        1.001088589 seconds time elapsed

Cannot reproduce on my system

Does it work without group or a normal group?

./perf stat -v -e '{branches,branch-misses,l1d.replacement,l2_lines_in.all,cycles}:W'
Using CPUID GenuineIntel-6-3E
l1d.replacement -> cpu/umask=0x1,period=2000003,event=0x51/
l2_lines_in.all -> cpu/umask=0x7,period=100003,event=0xf1/
^Cbranches: 105004611 27393959413 27393959413
branch-misses: 5854172 27393959413 27393959413
l1d.replacement: 13935607 27393959413 27393959413
l2_lines_in.all: 24987238 27393959413 27393959413
cycles: 1259015810 27393959413 27393959413

 Performance counter stats for 'system wide':

       105,004,611      branches                                                    
         5,854,172      branch-misses             #    5.58% of all branches        
        13,935,607      l1d.replacement                                             
        24,987,238      l2_lines_in.all                                             
     1,259,015,810      cycles                                                      

       2.282966609 seconds time elapsed

  reply	other threads:[~2017-08-22 21:00 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-11 23:26 [PATCH v2 01/19] perf, tools: Save max_x, max_y in xyarray Andi Kleen
2017-08-11 23:26 ` [PATCH v2 02/19] perf, tools: Fix buffer overflow while freeing events Andi Kleen
2017-08-22  8:20   ` Jiri Olsa
2017-08-24  8:19   ` [tip:perf/core] perf evsel: " tip-bot for Andi Kleen
2017-08-11 23:26 ` [PATCH v2 03/19] perf, tools, stat: Fix saved values rbtree lookup Andi Kleen
2017-08-11 23:26 ` [PATCH v2 04/19] perf, tools: Tighten detection of BPF events Andi Kleen
2017-08-22  8:20   ` Jiri Olsa
2017-08-22 15:00     ` Arnaldo Carvalho de Melo
2017-08-24  8:20   ` [tip:perf/core] perf bpf: " tip-bot for Andi Kleen
2017-08-11 23:26 ` [PATCH v2 05/19] perf, tools: Support weak groups Andi Kleen
2017-08-22  8:34   ` Jiri Olsa
2017-08-22 20:58     ` Andi Kleen
2017-08-23  7:40       ` Jiri Olsa
2017-08-22  8:36   ` Jiri Olsa
2017-08-22 21:00     ` Andi Kleen [this message]
2017-08-11 23:26 ` [PATCH v2 06/19] perf, tools: Add missing newline to expr parser error messages Andi Kleen
2017-08-11 23:26 ` [PATCH v2 07/19] perf, tools: Add utility function to detect SMT status Andi Kleen
2017-08-22  8:45   ` Jiri Olsa
2017-08-22 15:16     ` Arnaldo Carvalho de Melo
2017-08-24  8:20   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2017-08-11 23:26 ` [PATCH v2 08/19] perf, tools: Expression parser enhancements for metrics Andi Kleen
2017-08-22  8:45   ` Jiri Olsa
2017-08-22 15:16     ` Arnaldo Carvalho de Melo
2017-08-23 17:43   ` Jiri Olsa
2017-08-24  8:21   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2017-08-11 23:26 ` [PATCH v2 09/19] perf, tools: Increase maximum number of events in expressions Andi Kleen
2017-08-22  8:45   ` Jiri Olsa
2017-08-22 15:17     ` Arnaldo Carvalho de Melo
2017-08-24  8:21   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2017-08-11 23:26 ` [PATCH v2 10/19] perf, tools: Dedup events in expression parsing Andi Kleen
2017-08-22  8:46   ` Jiri Olsa
2017-08-24  8:21   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2017-08-11 23:26 ` [PATCH v2 11/19] perf, tools: Support metric_group and no event name in json parser Andi Kleen
2017-08-11 23:26 ` [PATCH v2 12/19] perf, tools, stat: Factor out generic metric printing Andi Kleen
2017-08-28  9:19   ` Jiri Olsa
2017-08-11 23:26 ` [PATCH v2 13/19] perf, tools: Print generic metric header even for failed expressions Andi Kleen
2017-08-11 23:26 ` [PATCH v2 14/19] perf, tools, stat: Support JSON metrics in perf stat Andi Kleen
2017-08-28  8:13   ` Jiri Olsa
2017-08-28  9:19     ` Jiri Olsa
2017-08-28  9:19   ` Jiri Olsa
2017-08-28 16:46     ` Andi Kleen
2017-08-11 23:26 ` [PATCH v2 15/19] perf, tools, list: Add metric groups to perf list Andi Kleen
2017-08-11 23:26 ` [PATCH v2 16/19] perf, tools, stat: Don't use ctx for saved values lookup Andi Kleen
2017-08-11 23:26 ` [PATCH v2 17/19] perf, tools, stat: Support duration_time for metrics Andi Kleen
2017-08-28  9:19   ` Jiri Olsa
2017-08-28 16:47     ` Andi Kleen
2017-08-11 23:26 ` [PATCH v2 18/19] perf, tools, stat: Hide internal duration_time counter Andi Kleen
2017-08-11 23:26 ` [PATCH v2 19/19] perf, tools, stat: Update walltime_nsecs_stats in interval mode Andi Kleen
2017-08-14 20:15 ` [PATCH v2 01/19] perf, tools: Save max_x, max_y in xyarray Jiri Olsa
2017-08-14 20:39   ` Andi Kleen
2017-08-14 21:12     ` Jiri Olsa
2017-08-22  8:20 ` Jiri Olsa
2017-08-22 14:40   ` Arnaldo Carvalho de Melo
2017-08-22 14:44     ` Jiri Olsa
2017-08-22 15:07       ` Arnaldo Carvalho de Melo
2017-08-24  8:19 ` [tip:perf/core] perf xyarray: Save max_x, max_y tip-bot for Andi Kleen

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