diff options
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/kprobe')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc | 2 | ||||
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc | 18 |
2 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc index 65fbb26fd5..a16c6a6f60 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc @@ -108,7 +108,9 @@ if grep -q "<argname>" README; then check_error 'p vfs_read args=^$arg*' # BAD_VAR_ARGS check_error 'p vfs_read +0(^$arg*)' # BAD_VAR_ARGS check_error 'p vfs_read $arg* ^$arg*' # DOUBLE_ARGS +if !grep -q 'kernel return probes support:' README; then check_error 'r vfs_read ^$arg*' # NOFENTRY_ARGS +fi check_error 'p vfs_read+8 ^$arg*' # NOFENTRY_ARGS check_error 'p vfs_read ^hoge' # NO_BTFARG check_error 'p kfree ^$arg10' # NO_BTFARG (exceed the number of parameters) diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc new file mode 100644 index 0000000000..53b82f36a1 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc @@ -0,0 +1,18 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kretprobe entry argument access +# requires: kprobe_events 'kernel return probes support:':README + +echo 'p:myevent1 vfs_open arg=$arg1' >> kprobe_events +echo 'r:myevent2 vfs_open arg=$arg1' >> kprobe_events + +echo 1 > events/kprobes/enable + +echo > trace +cat trace > /dev/null + +function streq() { + test $1 = $2 +} + +streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' ` |