tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Kretprobe dynamic event with maxactive
   4 # requires: kprobe_events 'r[maxactive]':README
   5
   6 # Test if we successfully reject unknown messages
   7 if echo 'a:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
   8
   9 # Test if we successfully reject too big maxactive
  10 if echo 'r1000000:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
  11
  12 # Test if we successfully reject unparsable numbers for maxactive
  13 if echo 'r10fuzz:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
  14
  15 # Test for kretprobe with event name without maxactive
  16 echo 'r:myprobeaccept inet_csk_accept' > kprobe_events
  17 grep myprobeaccept kprobe_events
  18 test -d events/kprobes/myprobeaccept
  19 echo '-:myprobeaccept' >> kprobe_events
  20
  21 # Test for kretprobe with event name with a small maxactive
  22 echo 'r10:myprobeaccept inet_csk_accept' > kprobe_events
  23 grep myprobeaccept kprobe_events
  24 test -d events/kprobes/myprobeaccept
  25 echo '-:myprobeaccept' >> kprobe_events
  26
  27 # Test for kretprobe without event name without maxactive
  28 echo 'r inet_csk_accept' > kprobe_events
  29 grep inet_csk_accept kprobe_events
  30 echo > kprobe_events
  31
  32 # Test for kretprobe without event name with a small maxactive
  33 echo 'r10 inet_csk_accept' > kprobe_events
  34 grep inet_csk_accept kprobe_events
  35 echo > kprobe_events