Messages in this thread | | | Date | Wed, 28 Oct 2015 14:04:28 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 31/52] perf stat record: Synthesize stat record data |
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On Tue, Oct 27, 2015 at 11:42:44AM -0300, Arnaldo Carvalho de Melo wrote:
SNIP
> This is confusing... > > Anyway, now the perf.data file doesn't produce that many confusing > messages, just one, and the error reporting continues needing a > newline, oops just noticed another problem: > > [root@zoo linux]# perf stat record usleep 1 > > Performance counter stats for 'usleep 1': > > 0.520959 task-clock (msec) # 0.504 CPUs utilized > 1 context-switches # 0.002 M/sec > 0 cpu-migrations # 0.000 K/sec > 51 page-faults # 0.098 M/sec > 929738 cycles # 1.785 GHz > 625885 stalled-cycles-frontend # 67.32% frontend cycles idle > <not supported> stalled-cycles-backend > 634514 instructions # 0.68 insns per cycle > # 0.99 stalled cycles per insn > 128859 branches # 247.350 M/sec > 7602 branch-misses # 5.90% of all branches > > 0.001034675 seconds time elapsed > > [root@zoo linux]# perf evlist > non matching sample_type[root@zoo linux]#
will check, thanks,
jirka
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