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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Kprobe dynamic event with arguments
   4 # requires: kprobe_events
   5
   6 echo "p:testprobe $FUNCTION_FORK \$stack \$stack0 +0(\$stack)" > kprobe_events
   7 grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)'
   8 test -d events/kprobes/testprobe
   9
  10 echo 1 > events/kprobes/testprobe/enable
  11 ( echo "forked")
  12 grep testprobe trace | grep "$FUNCTION_FORK" | \
  13   grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$'
  14
  15 echo 0 > events/kprobes/testprobe/enable
  16 echo "-:testprobe" >> kprobe_events
  17 clear_trace
  18 test -d events/kprobes/testprobe && exit_fail || exit_pass
  19