On Wed, Mar 25, 2015 at 02:57:58PM -0400, Steven Rostedt wrote:
> On Wed, 25 Mar 2015 17:36:34 +0000
> Luis Henriques <[email protected]> wrote:
> 
> > 'usleep' seems to be a distro-specific utility and may not be
> > available:
> > 
> >  [5] event tracing - enable/disable with event level files       [FAIL]
> >  execute: 
> > /home/miguel/linux/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
> >  + . 
> > /home/miguel/linux/tools/testing/selftests/ftrace/test.d/event/event-enable.tc
> >  + [ ! -f set_event -o ! -d events/sched ]
> >  + reset_tracer
> >  + echo nop
> >  + do_reset
> >  + echo
> >  + clear_trace
> >  + echo
> >  + echo sched:sched_switch
> >  + usleep 1
> >  ./ftracetest: 24: 
> > /home/miguel/linux/tools/testing/selftests/ftrace/test.d/event/event-enable.tc:
> >  usleep: not found
> > 
> > Replace it with the more standard sleep.
> > 
> > Signed-off-by: Luis Henriques <[email protected]>
> > ---
> >  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..abafc0c3605c 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 0.001
> 
> We had patches out about this, because sleep 0.001 is not always
> supported either.
> 
> I forgot what the final solution was suppose to be.
> 
> -- Steve

Would a 'sleep 1' be acceptable?  Do we care about the execution time?

Cheers,
--
Luís
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