tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Generic dynamic event - generic clear event
   4
   5 [ -f dynamic_events ] || exit_unsupported
   6
   7 grep -q "place: \[<module>:\]<symbol>" README || exit_unsupported
   8 grep -q "place (kretprobe): \[<module>:\]<symbol>" README || exit_unsupported
   9
  10 grep -q "s:\[synthetic/\]" README || exit_unsupported
  11
  12 echo 0 > events/enable
  13 echo > dynamic_events
  14
  15 PLACE=_do_fork
  16
  17 setup_events() {
  18 echo "p:myevent1 $PLACE" >> dynamic_events
  19 echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events
  20 echo "r:myevent2 $PLACE" >> dynamic_events
  21 echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events
  22
  23 grep -q myevent1 dynamic_events
  24 grep -q myevent2 dynamic_events
  25 grep -q latency1 dynamic_events
  26 grep -q latency2 dynamic_events
  27 }
  28
  29 setup_events
  30
  31 echo "!p:myevent1 $PLACE" >> dynamic_events
  32 ! grep -q myevent1 dynamic_events
  33 grep -q myevent2 dynamic_events
  34 grep -q latency1 dynamic_events
  35 grep -q latency2 dynamic_events
  36
  37 echo "!s:latency1 u64 lat; pid_t pid;" >> dynamic_events
  38 grep -q myevent2 dynamic_events
  39 ! grep -q latency1 dynamic_events
  40 grep -q latency2 dynamic_events
  41
  42 echo "!r:myevent2 $PLACE" >> dynamic_events
  43 ! grep -q myevent2 dynamic_events
  44 grep -q latency2 dynamic_events
  45
  46 echo "!s:latency2 u64 lat; pid_t pid;" >> dynamic_events
  47 ! grep -q latency2 dynamic_events
  48
  49 echo > dynamic_events