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