Messages in this thread | | | Date | Tue, 29 Oct 2013 08:12:58 -0600 | From | David Ahern <> | Subject | Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's |
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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
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