1#!/bin/sh 2# description: event trigger - test inter-event histogram trigger onmax action 3 4fail() { #msg 5 echo $1 6 exit_fail 7} 8 9if [ ! -f set_event ]; then 10 echo "event tracing is not supported" 11 exit_unsupported 12fi 13 14if [ ! -f synthetic_events ]; then 15 echo "synthetic event is not supported" 16 exit_unsupported 17fi 18 19echo "Test create synthetic event" 20 21echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events 22if [ ! -d events/synthetic/wakeup_latency ]; then 23 fail "Failed to create wakeup_latency synthetic event" 24fi 25 26echo "Test onmax action" 27 28echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger 29echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger 30 31ping $LOCALHOST -c 3 32if ! grep -q "max:" events/sched/sched_switch/hist; then 33 fail "Failed to create onmax action inter-event histogram" 34fi 35 36exit 0 37