tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc

   1 #!/bin/sh
   2 # description: event trigger - test synthetic event create remove
   3 do_reset() {
   4     reset_trigger
   5     echo > set_event
   6     clear_trace
   7 }
   8
   9 fail() { #msg
  10     do_reset
  11     echo $1
  12     exit_fail
  13 }
  14
  15 if [ ! -f set_event ]; then
  16     echo "event tracing is not supported"
  17     exit_unsupported
  18 fi
  19
  20 if [ ! -f synthetic_events ]; then
  21     echo "synthetic event is not supported"
  22     exit_unsupported
  23 fi
  24
  25 clear_synthetic_events
  26 reset_tracer
  27 do_reset
  28
  29 echo "Test create synthetic event"
  30
  31 echo 'wakeup_latency  u64 lat pid_t pid char comm[16]' > synthetic_events
  32 if [ ! -d events/synthetic/wakeup_latency ]; then
  33     fail "Failed to create wakeup_latency synthetic event"
  34 fi
  35
  36 reset_trigger
  37
  38 echo "Test remove synthetic event"
  39 echo '!wakeup_latency  u64 lat pid_t pid char comm[16]' >> synthetic_events
  40 if [ -d events/synthetic/wakeup_latency ]; then
  41     fail "Failed to delete wakeup_latency synthetic event"
  42 fi
  43
  44 reset_trigger
  45
  46 echo "Test create synthetic event with an error"
  47 echo 'wakeup_latency  u64 lat pid_t pid char' > synthetic_events > /dev/null
  48 if [ -d events/synthetic/wakeup_latency ]; then
  49     fail "Created wakeup_latency synthetic event with an invalid format"
  50 fi
  51
  52 do_reset
  53
  54 exit 0