selftests: ftrace: Add a testcase for multiple actions on trigger

#!/bin/sh

# description: event trigger - test multiple actions on hist trigger

do_reset() {

    reset_trigger

    echo > set_event

    clear_trace

}

fail() { #msg

    do_reset

    echo $1

    exit_fail

}

if [ ! -f set_event ]; then

    echo "event tracing is not supported"

    exit_unsupported

fi

if [ ! -f synthetic_events ]; then

    echo "synthetic event is not supported"

    exit_unsupported

fi

clear_synthetic_events

reset_tracer

do_reset

echo "Test multiple actions on hist trigger"

echo 'wakeup_latency u64 lat; pid_t pid' >> synthetic_events

TRIGGER1=events/sched/sched_wakeup/trigger

TRIGGER2=events/sched/sched_switch/trigger

echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="cyclictest"' > $TRIGGER1

echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0 if next_comm=="cyclictest"' >> $TRIGGER2

echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,next_pid) if next_comm=="cyclictest"' >> $TRIGGER2

echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,prev_pid) if next_comm=="cyclictest"' >> $TRIGGER2

echo 'hist:keys=next_pid if next_comm=="cyclictest"' >> $TRIGGER2

do_reset

exit 0