lkml.org 
[lkml]   [2013]   [Oct]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: Run checksumming in parallel accross multiple alu's
On 10/29/13 6:52 AM, Ingo Molnar wrote:
>> According to the perf man page, I'm supposed to be able to use --
>> to separate perf command line parameters from the command I want
>> to run. And it definately executed test.sh, I added an echo to
>> stdout in there as a test run and observed them get captured in
>> counters.txt
>
> Well, '--' can be used to delineate the command portion for cases
> where it's ambiguous.
>
> Here's it's unambiguous though. This:
>
> perf stat --repeat 20 -C 0 -ddd perf bench sched messaging -- /root/test.sh
>
> stops parsing a valid option after the -ddd option, so in theory it
> should execute 'perf bench sched messaging -- /root/test.sh' where
> '-- /root/test.sh' is simply a parameter to 'perf bench' and is thus
> ignored.

Normally with perf commands a workload can be specified to state how
long to collect perf data. That is not the case for perf-bench.

David


\
 
 \ /
  Last update: 2013-10-29 15:41    [W:0.127 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site