On Tue, Oct 29, 2013 at 12:30:31PM +0100, Ingo Molnar wrote: > > * Neil Horman <nhor...@tuxdriver.com> wrote: > > > Sure it was this: > > for i in `seq 0 1 3` > > do > > echo $i > /sys/module/csum_test/parameters/module_test_mode > > taskset -c 0 perf stat --repeat 20 -C 0 -ddd perf bench sched messaging -- > > /root/test.sh > > done >> counters.txt 2>&1 > > > > where test.sh is: > > #!/bin/sh > > echo 1 > /sys/module/csum_test/parameters/test_fire > > What does '-- /root/test.sh' do? > > Unless I'm missing something, the line above will run: > > perf bench sched messaging -- /root/test.sh > > which should be equivalent to: > > perf bench sched messaging > > i.e. /root/test.sh won't be run. > 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
Neil > Thanks, > > Ingo > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
