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

   1 #!/bin/sh
   2 # description: event trigger - test trigger filter
   3 # flags: instance
   4
   5 do_reset() {
   6     reset_trigger
   7     echo > set_event
   8     clear_trace
   9 }
  10
  11 fail() { #msg
  12     do_reset
  13     echo $1
  14     exit $FAIL
  15 }
  16
  17 if [ ! -f set_event -o ! -d events/sched ]; then
  18     echo "event tracing is not supported"
  19     exit_unsupported
  20 fi
  21
  22 if [ ! -f events/sched/sched_process_fork/trigger ]; then
  23     echo "event trigger is not supported"
  24     exit_unsupported
  25 fi
  26
  27 reset_tracer
  28 do_reset
  29
  30 echo "Test trigger filter"
  31 echo 1 > tracing_on
  32 echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
  33 ( echo "forked")
  34 if [ `cat tracing_on` -ne 1 ]; then
  35     fail "traceoff trigger on sched_process_fork did not work"
  36 fi
  37
  38 reset_trigger
  39
  40 echo "Test semantic error for trigger filter"
  41 ! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
  42 ! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
  43 ! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
  44 echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
  45 echo '!traceoff' > events/sched/sched_process_fork/trigger
  46 ! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
  47 echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
  48 echo '!traceoff' > events/sched/sched_process_fork/trigger
  49 echo 'traceoff if common_pid >= 0' > events/sched/sched_process_fork/trigger
  50 echo '!traceoff' > events/sched/sched_process_fork/trigger
  51 echo 'traceoff if parent_pid >= 0 && child_pid >= 0' > events/sched/sched_process_fork/trigger
  52 echo '!traceoff' > events/sched/sched_process_fork/trigger
  53 echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
  54 echo '!traceoff' > events/sched/sched_process_fork/trigger
  55
  56
  57
  58 do_reset
  59
  60 exit 0