1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event trigger - test inter-event histogram trigger snapshot action 4# requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README 5 6fail() { #msg 7 echo $1 8 exit_fail 9} 10 11echo "Test snapshot action" 12 13echo 1 > events/sched/enable 14 15echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> events/sched/sched_waking/trigger 16 17ping $LOCALHOST -c 3 18nice -n 1 ping $LOCALHOST -c 3 19 20echo 0 > tracing_on 21 22if ! grep -q "changed:" events/sched/sched_waking/hist; then 23 fail "Failed to create onchange action inter-event histogram" 24fi 25 26if ! grep -q "comm=ping" snapshot; then 27 fail "Failed to create snapshot action inter-event histogram" 28fi 29 30exit 0 31