linux/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
Steven Rostedt e35896f236 selftests/tracing: Allow some more tests to run in instances
The tests:

  trigger-action-hist-xfail.tc
  trigger-onchange-action-hist.tc
  trigger-snapshot-action-hist.tc
  trigger-hist-expressions.tc

can all run in an instance. Test them in an instance as well.

Link: https://lore.kernel.org/r/20250220185846.451234966@goodmis.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-02-20 13:15:14 -07:00

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