tegrakernel/kernel/kernel-4.9/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc

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2022-02-16 09:13:02 -06:00
#!/bin/sh
# description: event trigger - test traceon/off trigger
do_reset() {
reset_trigger
echo > set_event
clear_trace
}
fail() { #msg
do_reset
echo $1
exit $FAIL
}
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
if [ ! -f events/sched/sched_process_fork/trigger ]; then
echo "event trigger is not supported"
exit_unsupported
fi
reset_tracer
do_reset
echo "Test traceoff trigger"
echo 1 > tracing_on
echo 'traceoff' > events/sched/sched_process_fork/trigger
( echo "forked")
if [ `cat tracing_on` -ne 0 ]; then
fail "traceoff trigger on sched_process_fork did not work"
fi
reset_trigger
echo "Test traceon trigger"
echo 0 > tracing_on
echo 'traceon' > events/sched/sched_process_fork/trigger
( echo "forked")
if [ `cat tracing_on` -ne 1 ]; then
fail "traceoff trigger on sched_process_fork did not work"
fi
reset_trigger
echo "Test semantic error for traceoff/on trigger"
! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
echo 'traceon' > events/sched/sched_process_fork/trigger
! echo 'traceon' > events/sched/sched_process_fork/trigger
! echo 'traceoff' > events/sched/sched_process_fork/trigger
do_reset
exit 0