tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc

   1 #!/bin/sh
   2 # description: event trigger - test event enable/disable 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 $FAIL
  14 }
  15
  16 if [ ! -f set_event -o ! -d events/sched ]; then
  17     echo "event tracing is not supported"
  18     exit_unsupported
  19 fi
  20
  21 if [ ! -f events/sched/sched_process_fork/trigger ]; then
  22     echo "event trigger is not supported"
  23     exit_unsupported
  24 fi
  25
  26 reset_tracer
  27 do_reset
  28
  29 FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
  30 if [ -z "$FEATURE" ]; then
  31     echo "event enable/disable trigger is not supported"
  32     exit_unsupported
  33 fi
  34
  35 echo "Test enable_event trigger"
  36 echo 0 > events/sched/sched_switch/enable
  37 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  38 ( echo "forked")
  39 if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
  40     fail "enable_event trigger on sched_process_fork did not work"
  41 fi
  42
  43 reset_trigger
  44
  45 echo "Test disable_event trigger"
  46 echo 1 > events/sched/sched_switch/enable
  47 echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  48 ( echo "forked")
  49 if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
  50     fail "disable_event trigger on sched_process_fork did not work"
  51 fi
  52
  53 reset_trigger
  54
  55 echo "Test semantic error for event enable/disable trigger"
  56 ! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
  57 ! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
  58 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  59 ! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  60 ! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  61
  62 do_reset
  63
  64 exit 0