tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc

   1 #!/bin/sh
   2 # description: event trigger - test extended error support
   3
   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 ]; then
  18     echo "event tracing is not supported"
  19     exit_unsupported
  20 fi
  21
  22 if [ ! -f synthetic_events ]; then
  23     echo "synthetic event is not supported"
  24     exit_unsupported
  25 fi
  26
  27 reset_tracer
  28 do_reset
  29
  30 echo "Test extended error support"
  31 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
  32 ! echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 2> /dev/null
  33 if ! grep -q "ERROR:" events/sched/sched_wakeup/hist; then
  34     fail "Failed to generate extended error in histogram"
  35 fi
  36
  37 do_reset
  38
  39 exit 0