trigger/inter-event/trigger-onchange-action-hist.tc

0001 #!/bin/sh
0002 # SPDX-License-Identifier: GPL-2.0
0003 # description: event trigger - test inter-event histogram trigger onchange action
0004 # requires: set_event "onchange(var)":README
0005
0006 fail() { #msg
0007     echo $1
0008     exit_fail
0009 }
0010
0011 echo "Test onchange action"
0012
0013 echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> events/sched/sched_waking/trigger
0014
0015 ping $LOCALHOST -c 3
0016 nice -n 1 ping $LOCALHOST -c 3
0017
0018 if ! grep -q "changed:" events/sched/sched_waking/hist; then
0019     fail "Failed to create onchange action inter-event histogram"
0020 fi
0021
0022 exit 0