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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Kprobe event string type argument
   4 # requires: kprobe_events
   5
   6 case `uname -m` in
   7 x86_64)
   8   ARG1=%di
   9 ;;
  10 i[3456]86)
  11   ARG1=%ax
  12 ;;
  13 aarch64)
  14   ARG1=%x0
  15 ;;
  16 arm*)
  17   ARG1=%r0
  18 ;;
  19 ppc64*)
  20   ARG1=%r3
  21 ;;
  22 ppc*)
  23   ARG1=%r3
  24 ;;
  25 *)
  26   echo "Please implement other architecture here"
  27   exit_untested
  28 esac
  29
  30 : "Test get argument (1)"
  31 echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string" > kprobe_events
  32 echo 1 > events/kprobes/testprobe/enable
  33 echo "p:test $FUNCTION_FORK" >> kprobe_events
  34 grep -qe "testprobe.* arg1=\"test\"" trace
  35
  36 echo 0 > events/kprobes/testprobe/enable
  37 : "Test get argument (2)"
  38 echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string arg2=+0(${ARG1}):string" > kprobe_events
  39 echo 1 > events/kprobes/testprobe/enable
  40 echo "p:test $FUNCTION_FORK" >> kprobe_events
  41 grep -qe "testprobe.* arg1=\"test\" arg2=\"test\"" trace
  42