1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event trigger - test inter-event histogram trigger onmatch-onmax action 4 5fail() { #msg 6 echo $1 7 exit_fail 8} 9 10if [ ! -f set_event ]; then 11 echo "event tracing is not supported" 12 exit_unsupported 13fi 14 15if [ ! -f synthetic_events ]; then 16 echo "synthetic event is not supported" 17 exit_unsupported 18fi 19 20echo "Test create synthetic event" 21 22echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events 23if [ ! -d events/synthetic/wakeup_latency ]; then 24 fail "Failed to create wakeup_latency synthetic event" 25fi 26 27echo "Test create histogram for synthetic event" 28echo "Test histogram variables,simple expression support and onmatch-onmax action" 29 30echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger 31echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm):onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger 32echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger 33 34ping $LOCALHOST -c 5 35if [ ! grep -q "ping" events/synthetic/wakeup_latency/hist -o ! grep -q "max:" events/sched/sched_switch/hist]; then 36 fail "Failed to create onmatch-onmax action inter-event histogram" 37fi 38 39exit 0 40