lkml.org 
[lkml]   [2015]   [Oct]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 31/52] perf stat record: Synthesize stat record data
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


\
 
 \ /
  Last update: 2015-10-28 14:21    [W:0.095 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site