Messages in this thread | | | Date | Sat, 20 Dec 2014 21:42:13 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] ftracetest: Replace usleep with sleep 0.000001 |
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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
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