diff options
Diffstat (limited to 'kernel/tools/testing/selftests/ftrace/test.d/event/event-enable.tc')
-rw-r--r-- | kernel/tools/testing/selftests/ftrace/test.d/event/event-enable.tc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/kernel/tools/testing/selftests/ftrace/test.d/event/event-enable.tc b/kernel/tools/testing/selftests/ftrace/test.d/event/event-enable.tc new file mode 100644 index 000000000..87eb9d6dd --- /dev/null +++ b/kernel/tools/testing/selftests/ftrace/test.d/event/event-enable.tc @@ -0,0 +1,60 @@ +#!/bin/sh +# description: event tracing - enable/disable with event level files + +do_reset() { + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit $FAIL +} + +yield() { + ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1 +} + +if [ ! -f set_event -o ! -d events/sched ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo 'sched:sched_switch' > set_event + +yield + +count=`cat trace | grep sched_switch | wc -l` +if [ $count -eq 0 ]; then + fail "sched_switch events are not recorded" +fi + +do_reset + +echo 1 > events/sched/sched_switch/enable + +yield + +count=`cat trace | grep sched_switch | wc -l` +if [ $count -eq 0 ]; then + fail "sched_switch events are not recorded" +fi + +do_reset + +echo 0 > events/sched/sched_switch/enable + +yield + +count=`cat trace | grep sched_switch | wc -l` +if [ $count -ne 0 ]; then + fail "sched_switch events should not be recorded" +fi + +do_reset + +exit 0 |