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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event tracing - enable/disable with event level files
# requires: set_event events/sched
# flags: instance
do_reset() {
echo > set_event
clear_trace
}
fail() { #msg
echo $1
exit_fail
}
echo 'sched:sched_switch' > set_event
yield
count=`cat trace | grep sched_switch | wc -l`
if [ $count -eq 0 ]; then
fail "sched_switch events are not recorded"
fi
do_reset
echo 1 > events/sched/sched_switch/enable
yield
count=`cat trace | grep sched_switch | wc -l`
if [ $count -eq 0 ]; then
fail "sched_switch events are not recorded"
fi
do_reset
echo 0 > events/sched/sched_switch/enable
yield
count=`cat trace | grep sched_switch | wc -l`
if [ $count -ne 0 ]; then
fail "sched_switch events should not be recorded"
fi
exit 0
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