1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun# description: event tracing - enable/disable with top level files 4*4882a593Smuzhiyun# requires: available_events set_event events/enable 5*4882a593Smuzhiyun 6*4882a593Smuzhiyundo_reset() { 7*4882a593Smuzhiyun echo > set_event 8*4882a593Smuzhiyun clear_trace 9*4882a593Smuzhiyun} 10*4882a593Smuzhiyun 11*4882a593Smuzhiyunfail() { #msg 12*4882a593Smuzhiyun echo $1 13*4882a593Smuzhiyun exit_fail 14*4882a593Smuzhiyun} 15*4882a593Smuzhiyun 16*4882a593Smuzhiyunecho '*:*' > set_event 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunyield 19*4882a593Smuzhiyun 20*4882a593Smuzhiyunecho 0 > tracing_on 21*4882a593Smuzhiyun 22*4882a593Smuzhiyuncount=`head -n 128 trace | grep -v ^# | wc -l` 23*4882a593Smuzhiyunif [ $count -eq 0 ]; then 24*4882a593Smuzhiyun fail "none of events are recorded" 25*4882a593Smuzhiyunfi 26*4882a593Smuzhiyun 27*4882a593Smuzhiyundo_reset 28*4882a593Smuzhiyun 29*4882a593Smuzhiyunecho 1 > events/enable 30*4882a593Smuzhiyunecho 1 > tracing_on 31*4882a593Smuzhiyun 32*4882a593Smuzhiyunyield 33*4882a593Smuzhiyun 34*4882a593Smuzhiyunecho 0 > tracing_on 35*4882a593Smuzhiyuncount=`head -n 128 trace | grep -v ^# | wc -l` 36*4882a593Smuzhiyunif [ $count -eq 0 ]; then 37*4882a593Smuzhiyun fail "none of events are recorded" 38*4882a593Smuzhiyunfi 39*4882a593Smuzhiyun 40*4882a593Smuzhiyundo_reset 41*4882a593Smuzhiyun 42*4882a593Smuzhiyunecho 0 > events/enable 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunyield 45*4882a593Smuzhiyun 46*4882a593Smuzhiyuncount=`cat trace | grep -v ^# | wc -l` 47*4882a593Smuzhiyunif [ $count -ne 0 ]; then 48*4882a593Smuzhiyun fail "any of events should not be recorded" 49*4882a593Smuzhiyunfi 50*4882a593Smuzhiyun 51*4882a593Smuzhiyunexit 0 52