lkml.org 
[lkml]   [2016]   [Feb]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/6] perf, tools, stat: Implement CSV metrics output
> Where before it wasn't there:
>
> cat /tmp/before
> 0.282628,,task-clock,282628,100.00
> 1,,context-switches,282628,100.00
> 0,,cpu-migrations,282628,100.00
> 52,,page-faults,282628,100.00
> 861213,,cycles,285354,100.00
> <not supported>,,stalled-cycles-frontend,0,100.00
> <not supported>,,stalled-cycles-backend,0,100.00
> 686082,,instructions,285354,100.00
> 137846,,branches,285354,100.00
> 7142,,branch-misses,285354,100.00

This is intentional. See the standard perf output:


521,232 instructions # 0.63 insns per cycle
# 1.13 stalled cycles per insn

So this line has multiple metrics. In CSV this is expressed as a mostly empty line.

-Andi

\
 
 \ /
  Last update: 2016-02-18 19:21    [W:0.343 / U:0.324 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site