2 # description: event tracing - restricts events based on pid
8 echo 0 > options/event-fork
19 ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
22 if [ ! -f set_event -o ! -d events/sched ]; then
23 echo "event tracing is not supported"
27 if [ ! -f set_event_pid ]; then
28 echo "event pid filtering is not supported"
35 echo 1 > events/sched/sched_switch/enable
39 count=`cat trace | grep sched_switch | wc -l`
40 if [ $count -eq 0 ]; then
41 fail "sched_switch events are not recorded"
46 read mypid rest < /proc/self/stat
48 echo $mypid > set_event_pid
49 echo 'sched:sched_switch' > set_event
53 count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
54 if [ $count -ne 0 ]; then
55 fail "sched_switch events from other task are recorded"
60 echo $mypid > set_event_pid
61 echo 1 > options/event-fork
62 echo 1 > events/sched/sched_switch/enable
66 count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
67 if [ $count -eq 0 ]; then
68 fail "sched_switch events from other task are not recorded"