2 # description: event tracing - restricts events based on pid
7 echo 0 > options/event-fork
18 ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
21 if [ ! -f set_event -o ! -d events/sched ]; then
22 echo "event tracing is not supported"
26 if [ ! -f set_event_pid ]; then
27 echo "event pid filtering is not supported"
34 echo 1 > events/sched/sched_switch/enable
38 count=`cat trace | grep sched_switch | wc -l`
39 if [ $count -eq 0 ]; then
40 fail "sched_switch events are not recorded"
45 read mypid rest < /proc/self/stat
47 echo $mypid > set_event_pid
48 echo 'sched:sched_switch' > set_event
52 count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
53 if [ $count -ne 0 ]; then
54 fail "sched_switch events from other task are recorded"
59 echo $mypid > set_event_pid
60 echo 1 > options/event-fork
61 echo 1 > events/sched/sched_switch/enable
65 count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
66 if [ $count -eq 0 ]; then
67 fail "sched_switch events from other task are not recorded"