1 #!/bin/sh 2 # description: event trigger - test snapshot-trigger 3 4 do_reset() { 5 reset_trigger 6 echo > set_event 7 clear_trace 8 } 9 10 fail() { #msg 11 do_reset 12 echo $1 13 exit $FAIL 14 } 15 16 if [ ! -f set_event -o ! -d events/sched ]; then 17 echo "event tracing is not supported" 18 exit_unsupported 19 fi 20 21 if [ ! -f events/sched/sched_process_fork/trigger ]; then 22 echo "event trigger is not supported" 23 exit_unsupported 24 fi 25 26 reset_tracer 27 do_reset 28 29 FEATURE=`grep snapshot events/sched/sched_process_fork/trigger` 30 if [ -z "$FEATURE" ]; then 31 echo "snapshot trigger is not supported" 32 exit_unsupported 33 fi 34 35 echo "Test snapshot tigger" 36 echo 0 > snapshot 37 echo 1 > events/sched/sched_process_fork/enable 38 ( echo "forked") 39 echo 'snapshot:1' > events/sched/sched_process_fork/trigger 40 ( echo "forked") 41 grep sched_process_fork snapshot > /dev/null || \ 42 fail "snapshot trigger on sched_process_fork did not work" 43 44 reset_trigger 45 echo 0 > snapshot 46 echo 0 > events/sched/sched_process_fork/enable 47 48 echo "Test snapshot semantic errors" 49 50 ! echo "snapshot+1" > events/sched/sched_process_fork/trigger 51 echo "snapshot" > events/sched/sched_process_fork/trigger 52 ! echo "snapshot" > events/sched/sched_process_fork/trigger 53 54 do_reset 55 56 exit 0 57
