Commit cf881485 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Steven Rostedt (VMware)
Browse files

selftests/ftrace: Add a testcase for kprobe multiprobe event

Add a testcase for kprobe event with multi-probe.

Link: http://lkml.kernel.org/r/156095692637.28024.17188971794698768977.stgit@devnote2

Signed-off-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent a42e3c4d
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Create/delete multiprobe on kprobe event
[ -f kprobe_events ] || exit_unsupported
grep -q "Create/append/" README || exit_unsupported
# Choose 2 symbols for target
SYM1=_do_fork
SYM2=do_exit
EVENT_NAME=kprobes/testevent
DEF1="p:$EVENT_NAME $SYM1"
DEF2="p:$EVENT_NAME $SYM2"
:;: "Define an event which has 2 probes" ;:
echo $DEF1 >> kprobe_events
echo $DEF2 >> kprobe_events
cat kprobe_events | grep "$DEF1"
cat kprobe_events | grep "$DEF2"
:;: "Remove the event by name (should remove both)" ;:
echo "-:$EVENT_NAME" >> kprobe_events
test `cat kprobe_events | wc -l` -eq 0
:;: "Remove just 1 event" ;:
echo $DEF1 >> kprobe_events
echo $DEF2 >> kprobe_events
echo "-:$EVENT_NAME $SYM1" >> kprobe_events
! cat kprobe_events | grep "$DEF1"
cat kprobe_events | grep "$DEF2"
:;: "Appending different type must fail" ;:
! echo "$DEF1 \$stack" >> kprobe_events
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment