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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Kprobe event VFS type argument
   4 # requires: kprobe_events "%pd/%pD":README
   5
   6 : "Test argument %pd with name"
   7 echo 'p:testprobe dput name=$arg1:%pd' > kprobe_events
   8 echo 1 > events/kprobes/testprobe/enable
   9 grep -q "1" events/kprobes/testprobe/enable
  10 echo 0 > events/kprobes/testprobe/enable
  11 grep "dput" trace | grep -q "enable"
  12 echo "" > kprobe_events
  13 echo "" > trace
  14
  15 : "Test argument %pd without name"
  16 echo 'p:testprobe dput $arg1:%pd' > kprobe_events
  17 echo 1 > events/kprobes/testprobe/enable
  18 grep -q "1" events/kprobes/testprobe/enable
  19 echo 0 > events/kprobes/testprobe/enable
  20 grep "dput" trace | grep -q "enable"
  21 echo "" > kprobe_events
  22 echo "" > trace
  23
  24 : "Test argument %pD with name"
  25 echo 'p:testprobe vfs_read name=$arg1:%pD' > kprobe_events
  26 echo 1 > events/kprobes/testprobe/enable
  27 grep -q "1" events/kprobes/testprobe/enable
  28 echo 0 > events/kprobes/testprobe/enable
  29 grep "vfs_read" trace | grep -q "enable"
  30 echo "" > kprobe_events
  31 echo "" > trace
  32
  33 : "Test argument %pD without name"
  34 echo 'p:testprobe vfs_read $arg1:%pD' > kprobe_events
  35 echo 1 > events/kprobes/testprobe/enable
  36 grep -q "1"  events/kprobes/testprobe/enable
  37 echo 0 > events/kprobes/testprobe/enable
  38 grep "vfs_read" trace | grep -q "enable"
  39 echo "" > kprobe_events
  40 echo "" > trace