1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event tracing - enable/disable with event level files 4# requires: set_event events/sched 5# flags: instance 6 7do_reset() { 8 echo > set_event 9 clear_trace 10} 11 12fail() { #msg 13 echo $1 14 exit_fail 15} 16 17echo 'sched:sched_switch' > set_event 18 19yield 20 21count=`cat trace | grep sched_switch | wc -l` 22if [ $count -eq 0 ]; then 23 fail "sched_switch events are not recorded" 24fi 25 26do_reset 27 28echo 1 > events/sched/sched_switch/enable 29 30yield 31 32count=`cat trace | grep sched_switch | wc -l` 33if [ $count -eq 0 ]; then 34 fail "sched_switch events are not recorded" 35fi 36 37do_reset 38 39echo 0 > events/sched/sched_switch/enable 40 41yield 42 43count=`cat trace | grep sched_switch | wc -l` 44if [ $count -ne 0 ]; then 45 fail "sched_switch events should not be recorded" 46fi 47 48exit 0 49