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| author |   Masami Hiramatsu <mhiramat@kernel.org> | 2019-06-20 00:08:46 +0900 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-08-31 12:19:39 -0400 |
| commit | cf881485eb2af78c541c6f8ec71dfc7e0cb0e997 (patch) | |
| tree | 0e819123deb0ac913dcf0bd0510f60a9bdf39cac /tools/testing | |
| parent | tracing/probe: Add immediate string parameter support (diff) | |
| download | wireguard-linux-cf881485eb2af78c541c6f8ec71dfc7e0cb0e997.tar.xz wireguard-linux-cf881485eb2af78c541c6f8ec71dfc7e0cb0e997.zip | |
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: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc new file mode 100644 index 000000000000..44494bac86d1 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc @@ -0,0 +1,35 @@ +#!/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 |