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1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03# description: event trigger - test inter-event histogram trigger snapshot action4# requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README ping:program5 6fail() { #msg7 echo $18 exit_fail9}10 11echo "Test snapshot action"12 13echo 1 > events/sched/enable14 15echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> events/sched/sched_waking/trigger16 17ping $LOCALHOST -c 318nice -n 1 ping $LOCALHOST -c 319 20echo 0 > tracing_on21 22if ! grep -q "changed:" events/sched/sched_waking/hist; then23 fail "Failed to create onchange action inter-event histogram"24fi25 26if ! grep -q "comm=ping" snapshot; then27 fail "Failed to create snapshot action inter-event histogram"28fi29 30exit 031