1#!/bin/sh 2# description: event trigger - test inter-event histogram trigger onmax action 3 4do_reset() { 5 reset_trigger 6 echo > set_event 7 clear_trace 8} 9 10fail() { #msg 11 do_reset 12 echo $1 13 exit_fail 14} 15 16if [ ! -f set_event ]; then 17 echo "event tracing is not supported" 18 exit_unsupported 19fi 20 21if [ ! -f synthetic_events ]; then 22 echo "synthetic event is not supported" 23 exit_unsupported 24fi 25 26clear_synthetic_events 27reset_tracer 28do_reset 29 30echo "Test create synthetic event" 31 32echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events 33if [ ! -d events/synthetic/wakeup_latency ]; then 34 fail "Failed to create wakeup_latency synthetic event" 35fi 36 37echo "Test onmax action" 38 39echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger 40echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger 41ping localhost -c 3 42if ! grep -q "max:" events/sched/sched_switch/hist; then 43 fail "Failed to create onmax action inter-event histogram" 44fi 45 46do_reset 47 48exit 0 49