31 lines
830 B
Plaintext
31 lines
830 B
Plaintext
|
#!/bin/sh
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
# description: event trigger - test inter-event histogram trigger snapshot action
|
||
|
|
# requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README ping:program
|
||
|
|
|
||
|
|
fail() { #msg
|
||
|
|
echo $1
|
||
|
|
exit_fail
|
||
|
|
}
|
||
|
|
|
||
|
|
echo "Test snapshot action"
|
||
|
|
|
||
|
|
echo 1 > events/sched/enable
|
||
|
|
|
||
|
|
echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> events/sched/sched_waking/trigger
|
||
|
|
|
||
|
|
ping $LOCALHOST -c 3
|
||
|
|
nice -n 1 ping $LOCALHOST -c 3
|
||
|
|
|
||
|
|
echo 0 > tracing_on
|
||
|
|
|
||
|
|
if ! grep -q "changed:" events/sched/sched_waking/hist; then
|
||
|
|
fail "Failed to create onchange action inter-event histogram"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if ! grep -q "comm=ping" snapshot; then
|
||
|
|
fail "Failed to create snapshot action inter-event histogram"
|
||
|
|
fi
|
||
|
|
|
||
|
|
exit 0
|