Commit 01675e95 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Shuah Khan (Samsung OSG)

selftests/ftrace: Fix kprobe string testcase to not probe notrace function

Fix kprobe string argument testcase to not probe notrace
function. Instead, it probes tracefs function which must
be available with ftrace.
Signed-off-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Acked-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: default avatarShuah Khan (Samsung OSG) <shuah@kernel.org>
parent 9a29ad52
......@@ -9,28 +9,22 @@ echo > kprobe_events
case `uname -m` in
x86_64)
ARG2=%si
OFFS=8
ARG1=%di
;;
i[3456]86)
ARG2=%cx
OFFS=4
ARG1=%ax
;;
aarch64)
ARG2=%x1
OFFS=8
ARG1=%x0
;;
arm*)
ARG2=%r1
OFFS=4
ARG1=%r0
;;
ppc64*)
ARG2=%r4
OFFS=8
ARG1=%r3
;;
ppc*)
ARG2=%r4
OFFS=4
ARG1=%r3
;;
*)
echo "Please implement other architecture here"
......@@ -38,17 +32,17 @@ ppc*)
esac
: "Test get argument (1)"
echo "p:testprobe create_trace_kprobe arg1=+0(+0(${ARG2})):string" > kprobe_events
echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string" > kprobe_events
echo 1 > events/kprobes/testprobe/enable
! echo test >> kprobe_events
tail -n 1 trace | grep -qe "testprobe.* arg1=\"test\""
echo "p:test _do_fork" >> kprobe_events
grep -qe "testprobe.* arg1=\"test\"" trace
echo 0 > events/kprobes/testprobe/enable
: "Test get argument (2)"
echo "p:testprobe create_trace_kprobe arg1=+0(+0(${ARG2})):string arg2=+0(+${OFFS}(${ARG2})):string" > kprobe_events
echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string arg2=+0(${ARG1}):string" > kprobe_events
echo 1 > events/kprobes/testprobe/enable
! echo test1 test2 >> kprobe_events
tail -n 1 trace | grep -qe "testprobe.* arg1=\"test1\" arg2=\"test2\""
echo "p:test _do_fork" >> kprobe_events
grep -qe "testprobe.* arg1=\"test\" arg2=\"test\"" trace
echo 0 > events/enable
echo > kprobe_events
......@@ -4,7 +4,7 @@
[ -f kprobe_events ] || exit_unsupported # this is configurable
TARGET_FUNC=create_trace_kprobe
TARGET_FUNC=tracefs_create_dir
dec_addr() { # hexaddr
printf "%d" "0x"`echo $1 | tail -c 8`
......
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