On Mon, May 14, 2018 at 04:58:59PM -0400, Steven Rostedt wrote: > From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx> > > Add a test that tests a trigger that is initiated by a kernel event > (sched_waking) and compared to a write to the trace_marker. > > Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> > --- > .../trigger/trigger-trace-marker-synthetic.tc | 22 +++++++++++++++++++ > 1 file changed, 22 insertions(+) > > diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc > index 8e7a043da7fb..d8cfc36f228b 100644 > --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc > +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc > @@ -31,6 +31,11 @@ if [ ! -d events/ftrace/print ]; then > exit_unsupported > fi > > +if [ ! -d events/sched/sched_waking ]; then > + echo "event sched_waking is not supported" > + exit_unsupported > +fi > + > if [ ! -f events/ftrace/print/trigger ]; then > echo "event trigger is not supported" > exit_unsupported > @@ -63,4 +68,21 @@ grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ > > do_reset > > +echo "Test histogram kernel event to trace_marker latency histogram trigger" > + > +echo 'latency u64 lat' > synthetic_events > +echo 'hist:keys=pid:ts0=common_timestamp.usecs' > events/sched/sched_waking/trigger > +echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat)' > events/ftrace/print/trigger Shouldn't it be "onmatch(sched.sched_waking)" ? Thanks, Namhyung > +echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger > +sleep 1 > +echo "hello" > trace_marker > + > +grep 'hitcount: *1$' events/ftrace/print/hist > /dev/null || \ > + fail "hist trigger did not trigger correct times on trace_marker" > + > +grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ > + fail "hist trigger did not trigger " > + > +do_reset > + > exit 0 > -- > 2.17.0 > > -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
