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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Generic dynamic event - add/remove kprobe events
   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 echo 0 > events/enable
  11 echo > dynamic_events
  12
  13 PLACE=_do_fork
  14
  15 echo "p:myevent1 $PLACE" >> dynamic_events
  16 echo "r:myevent2 $PLACE" >> dynamic_events
  17
  18 grep -q myevent1 dynamic_events
  19 grep -q myevent2 dynamic_events
  20 test -d events/kprobes/myevent1
  21 test -d events/kprobes/myevent2
  22
  23 echo "-:myevent2" >> dynamic_events
  24
  25 grep -q myevent1 dynamic_events
  26 ! grep -q myevent2 dynamic_events
  27
  28 echo > dynamic_events
  29
  30 clear_trace