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
5
6fail() { #msg
7    echo $1
8    exit_fail
9}
10
11grep -q "onchange(var)" README || exit_unsupported # version issue
12
13echo "Test onchange action"
14
15echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> events/sched/sched_waking/trigger
16
17ping $LOCALHOST -c 3
18nice -n 1 ping $LOCALHOST -c 3
19
20if ! grep -q "changed:" events/sched/sched_waking/hist; then
21    fail "Failed to create onchange action inter-event histogram"
22fi
23
24exit 0
25