Subject: Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's

From: Ingo Molnar <[email-masked]>
Date: Tue, 29 Oct 2013 12:30:31 +0100

* Neil Horman <[email-masked]> 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.

Thanks,

	Ingo