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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test stacktrace-trigger
do_reset() {
reset_trigger
echo > set_event
clear_trace
}
fail() { #msg
do_reset
echo $1
exit $FAIL
}
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
if [ ! -f events/sched/sched_process_fork/trigger ]; then
echo "event trigger is not supported"
exit_unsupported
fi
reset_tracer
do_reset
FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
echo "stacktrace trigger is not supported"
exit_unsupported
fi
echo "Test stacktrace tigger"
echo 0 > trace
echo 0 > options/stacktrace
echo 'stacktrace' > events/sched/sched_process_fork/trigger
( echo "forked")
grep "<stack trace>" trace > /dev/null || \
fail "stacktrace trigger on sched_process_fork did not work"
reset_trigger
echo "Test stacktrace semantic errors"
! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
echo "stacktrace" > events/sched/sched_process_fork/trigger
! echo "stacktrace" > events/sched/sched_process_fork/trigger
do_reset
exit 0
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