1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event trigger - test inter-event histogram trigger onmax action 4# requires: set_event synthetic_events events/sched/sched_process_fork/hist 5 6fail() { #msg 7 echo $1 8 exit_fail 9} 10 11echo "Test create synthetic event" 12 13echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events 14if [ ! -d events/synthetic/wakeup_latency ]; then 15 fail "Failed to create wakeup_latency synthetic event" 16fi 17 18echo "Test onmax action" 19 20echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger 21echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger 22 23ping $LOCALHOST -c 3 24if ! grep -q "max:" events/sched/sched_switch/hist; then 25 fail "Failed to create onmax action inter-event histogram" 26fi 27 28exit 0 29