On Thu, 1 Oct 2020 09:56:41 +0100 Colin King colin.king@canonical.com wrote:
From: Colin Ian King colin.king@canonical.com
More recent libc implementations are now using openat/openat2 system calls so also add do_sys_openat2 to the tracing so that the test passes on these systems because do_sys_open may not be called.
Signed-off-by: Colin Ian King colin.king@canonical.com
.../testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc index a30a9c07290d..cf1b4c3e9e6b 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc @@ -9,6 +9,8 @@ grep -A10 "fetcharg:" README | grep -q '[u]<offset>' || exit_unsupported :;: "user-memory access syntax and ustring working on user memory";: echo 'p:myevent do_sys_open path=+0($arg2):ustring path2=+u0($arg2):string' \
kprobe_events
+echo 'p:myevent2 do_sys_openat2 path=+0($arg2):ustring path2=+u0($arg2):string' \
This still wont work, because the rest of the code only enables the myevent event, and not the one you just added.
Did you see this broken before, and this patch fixes it?
-- Steve
grep myevent kprobe_events | \ grep -q 'path=+0($arg2):ustring path2=+u0($arg2):string'