1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun# description: event tracing - enable/disable with event level files 4*4882a593Smuzhiyun# requires: set_event events/sched 5*4882a593Smuzhiyun# flags: instance 6*4882a593Smuzhiyun 7*4882a593Smuzhiyundo_reset() { 8*4882a593Smuzhiyun echo > set_event 9*4882a593Smuzhiyun clear_trace 10*4882a593Smuzhiyun} 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunfail() { #msg 13*4882a593Smuzhiyun echo $1 14*4882a593Smuzhiyun exit_fail 15*4882a593Smuzhiyun} 16*4882a593Smuzhiyun 17*4882a593Smuzhiyunecho 'sched:sched_switch' > set_event 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunyield 20*4882a593Smuzhiyun 21*4882a593Smuzhiyuncount=`cat trace | grep sched_switch | wc -l` 22*4882a593Smuzhiyunif [ $count -eq 0 ]; then 23*4882a593Smuzhiyun fail "sched_switch events are not recorded" 24*4882a593Smuzhiyunfi 25*4882a593Smuzhiyun 26*4882a593Smuzhiyundo_reset 27*4882a593Smuzhiyun 28*4882a593Smuzhiyunecho 1 > events/sched/sched_switch/enable 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunyield 31*4882a593Smuzhiyun 32*4882a593Smuzhiyuncount=`cat trace | grep sched_switch | wc -l` 33*4882a593Smuzhiyunif [ $count -eq 0 ]; then 34*4882a593Smuzhiyun fail "sched_switch events are not recorded" 35*4882a593Smuzhiyunfi 36*4882a593Smuzhiyun 37*4882a593Smuzhiyundo_reset 38*4882a593Smuzhiyun 39*4882a593Smuzhiyunecho 0 > events/sched/sched_switch/enable 40*4882a593Smuzhiyun 41*4882a593Smuzhiyunyield 42*4882a593Smuzhiyun 43*4882a593Smuzhiyuncount=`cat trace | grep sched_switch | wc -l` 44*4882a593Smuzhiyunif [ $count -ne 0 ]; then 45*4882a593Smuzhiyun fail "sched_switch events should not be recorded" 46*4882a593Smuzhiyunfi 47*4882a593Smuzhiyun 48*4882a593Smuzhiyunexit 0 49