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SubjectRe: [PATCH] ftracetest: Replace usleep with sleep 0.000001
On Wed 2014-12-10 15:38:27, Michael Ellerman wrote:
> usleep is a Fedoraism, it's not generally available on Debian based
> systems AFAICS.
>
> GNU sleep accepts a floating point argument, so use that instead.
>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

Could ftrace user interface be enhanced not to need random delays?

Pavel

> ---
> tools/testing/selftests/ftrace/test.d/event/event-enable.tc | 6 +++---
> tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc | 6 +++---
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/tools/testing/selftests/ftrace/test.d/event/event-enable.tc b/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
> index 668616d9bb03..c5343add3407 100644
> --- a/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
> +++ b/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
> @@ -21,7 +21,7 @@ reset_tracer
> do_reset
>
> echo 'sched:sched_switch' > set_event
> -usleep 1
> +sleep 0.000001
>
> count=`cat trace | grep sched_switch | wc -l`
> if [ $count -eq 0 ]; then
> @@ -31,7 +31,7 @@ fi
> do_reset
>
> echo 1 > events/sched/sched_switch/enable
> -usleep 1
> +sleep 0.000001
>
> count=`cat trace | grep sched_switch | wc -l`
> if [ $count -eq 0 ]; then
> @@ -41,7 +41,7 @@ fi
> do_reset
>
> echo 0 > events/sched/sched_switch/enable
> -usleep 1
> +sleep 0.000001
>
> count=`cat trace | grep sched_switch | wc -l`
> if [ $count -ne 0 ]; then
> diff --git a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
> index 655c415b6e7f..84a2020d4e7b 100644
> --- a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
> +++ b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
> @@ -21,7 +21,7 @@ reset_tracer
> do_reset
>
> echo 'sched:*' > set_event
> -usleep 1
> +sleep 0.000001
>
> count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
> if [ $count -lt 3 ]; then
> @@ -31,7 +31,7 @@ fi
> do_reset
>
> echo 1 > events/sched/enable
> -usleep 1
> +sleep 0.000001
>
> count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
> if [ $count -lt 3 ]; then
> @@ -41,7 +41,7 @@ fi
> do_reset
>
> echo 0 > events/sched/enable
> -usleep 1
> +sleep 0.000001
>
> count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
> if [ $count -ne 0 ]; then

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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