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From: Masami Hiramatsu <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel@vger.kernel.org,
	Tom Zanussi <tom.zanussi@linux.intel.com>,
	Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: [PATCH v2 10/12] selftests/ftrace: Add a testcase for kprobe multiprobe event
Date: Thu, 20 Jun 2019 00:08:46 +0900	[thread overview]
Message-ID: <156095692637.28024.17188971794698768977.stgit@devnote2> (raw)
In-Reply-To: <156095682948.28024.14190188071338900568.stgit@devnote2>

Add a testcase for kprobe event with multi-probe.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 .../ftrace/test.d/kprobe/kprobe_multiprobe.tc      |   35 ++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc

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


  parent reply	other threads:[~2019-06-19 15:08 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-19 15:07 [PATCH v2 00/12] tracing/probe: Add multi-probes per event support Masami Hiramatsu
2019-06-19 15:07 ` [PATCH v2 01/12] tracing/probe: Split trace_event related data from trace_probe Masami Hiramatsu
2019-06-19 15:07 ` [PATCH v2 02/12] tracing/dynevent: Delete all matched events Masami Hiramatsu
2019-06-19 15:07 ` [PATCH v2 03/12] tracing/dynevent: Pass extra arguments to match operation Masami Hiramatsu
2019-06-19 15:07 ` [PATCH v2 04/12] tracing/kprobe: Add multi-probe per event support Masami Hiramatsu
2019-06-19 15:07 ` [PATCH v2 05/12] tracing/uprobe: Add multi-probe per uprobe " Masami Hiramatsu
2019-06-19 15:08 ` [PATCH v2 06/12] tracing/kprobe: Add per-probe delete from event Masami Hiramatsu
2019-06-19 15:08 ` [PATCH v2 07/12] tracing/uprobe: " Masami Hiramatsu
2019-06-19 15:08 ` [PATCH v2 08/12] tracing/probe: Add immediate parameter support Masami Hiramatsu
2019-06-19 15:08 ` [PATCH v2 09/12] tracing/probe: Add immediate string " Masami Hiramatsu
2019-06-19 15:08 ` Masami Hiramatsu [this message]
2019-06-19 15:08 ` [PATCH v2 11/12] selftests/ftrace: Add syntax error test for immediates Masami Hiramatsu
2019-06-19 15:09 ` [PATCH v2 12/12] selftests/ftrace: Add syntax error test for multiprobe Masami Hiramatsu
2019-07-04  6:39 ` [PATCH v2 00/12] tracing/probe: Add multi-probes per event support Masami Hiramatsu
2019-07-04 11:28   ` Steven Rostedt
2019-07-30  6:23     ` Masami Hiramatsu
2019-07-30 15:03       ` Steven Rostedt
2019-07-31 15:25 ` Steven Rostedt
2019-08-01 14:01   ` Masami Hiramatsu

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