linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Masami Hiramatsu <mhiramat@kernel.org>
To: Shuah Khan <shuah@kernel.org>, Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 17/25] selftests/ftrace: Add kprobe profile testcase
Date: Fri, 27 Jul 2018 21:17:58 +0900	[thread overview]
Message-ID: <153269387834.3084.10793461311830659918.stgit@devbox> (raw)
In-Reply-To: <153269339575.3084.16279591141931053689.stgit@devbox>

Add a testcase for testing kprobe_profile interface
which provides per-kprobe event hit/misshit counts.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 .../selftests/ftrace/test.d/kprobe/profile.tc      |   15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/profile.tc

diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc
new file mode 100644
index 000000000000..0384b525cdee
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc
@@ -0,0 +1,15 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe dynamic event - adding and removing
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+! grep -q 'myevent' kprobe_profile
+echo p:myevent _do_fork > kprobe_events
+grep -q 'myevent[[:space:]]*0[[:space:]]*0$' kprobe_profile
+echo 1 > events/kprobes/myevent/enable
+( echo "forked" )
+grep -q 'myevent[[:space:]]*[[:digit:]]*[[:space:]]*0$' kprobe_profile
+echo 0 > events/kprobes/myevent/enable
+echo > kprobe_events
+! grep -q 'myevent' kprobe_profile


  parent reply	other threads:[~2018-07-27 12:18 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-27 12:09 [PATCH 00/25] selftests/ftrace: Improve ftracetest with coverage check Masami Hiramatsu
2018-07-27 12:10 ` [PATCH 01/25] tracing: Allow gcov profiling on only ftrace subsystem Masami Hiramatsu
2018-07-27 12:10 ` [PATCH 02/25] selftests/ftrace: Add --stop-fail hidden option for debug Masami Hiramatsu
2018-07-27 12:11 ` [PATCH 03/25] selftests/ftrace: Add --console hidden option Masami Hiramatsu
2018-07-27 12:11 ` [PATCH 04/25] selftests/ftrace: Add case number prefix to logfile Masami Hiramatsu
2018-07-27 12:12 ` [PATCH 05/25] selftests/ftrace: More initialize features in initialize_ftrace Masami Hiramatsu
2018-07-27 12:12 ` [PATCH 06/25] selftests/ftrace: Cleanup ftrace after running test Masami Hiramatsu
2018-07-27 12:13 ` [PATCH 07/25] selftests/ftrace: Remove unneeded per-test init/cleanup ftrace Masami Hiramatsu
2018-07-27 12:13 ` [PATCH 08/25] selftests/ftrace: Fix to test kprobe $comm arg only if available Masami Hiramatsu
2018-07-27 12:14 ` [PATCH 09/25] selftests/ftrace: Fix checkbashisms errors Masami Hiramatsu
2018-07-27 12:14 ` [PATCH 10/25] selftests/ftrace: Use loopback address instead of localhost Masami Hiramatsu
2018-07-27 12:15 ` [PATCH 11/25] selftests/ftrace: Improve kprobe on module testcase to load/unload module Masami Hiramatsu
2018-08-02  1:02   ` Masami Hiramatsu
2018-08-02  7:22     ` Masami Hiramatsu
2018-07-27 12:15 ` [PATCH 12/25] selftests/ftrace: Improve kprobe testcase to check log data Masami Hiramatsu
2018-07-27 12:16 ` [PATCH 13/25] selftests/ftrace: Improve kretprobe " Masami Hiramatsu
2018-07-27 12:16 ` [PATCH 14/25] selftests/ftrace: Test kprobe-event argument with various bitsize Masami Hiramatsu
2018-07-27 12:17 ` [PATCH 15/25] selftests/ftrace: Check set_event_pid result Masami Hiramatsu
2018-07-27 12:17 ` [PATCH 16/25] selftests/ftrace: Add kprobe event with $comm argument testcase Masami Hiramatsu
2018-07-27 12:17 ` Masami Hiramatsu [this message]
2018-07-27 12:18 ` [PATCH 18/25] selftests/ftrace: Add a testcase for nop tracer Masami Hiramatsu
2018-07-27 12:18 ` [PATCH 19/25] selftests/ftrace: Add kprobe-event with symbol argument test Masami Hiramatsu
2018-07-27 12:19 ` [PATCH 20/25] selftests/ftrace: Add trace_printk sample module test Masami Hiramatsu
2018-07-27 12:19 ` [PATCH 21/25] selftests/ftrace: Add ringbuffer size changing testcase Masami Hiramatsu
2018-07-27 12:20 ` [PATCH 22/25] selftests/ftrace: Add function profiling stat testcase Masami Hiramatsu
2018-07-27 12:20 ` [PATCH 23/25] selftests/ftrace: Add max stack tracer testcase Masami Hiramatsu
2018-08-03  5:24   ` Masami Hiramatsu
2018-07-27 12:21 ` [PATCH 24/25] selftests/ftrace: Add function filter on module testcase Masami Hiramatsu
2018-07-27 12:21 ` [PATCH 25/25] selftests/ftrace: Add trace_pipe testcase Masami Hiramatsu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=153269387834.3084.10793461311830659918.stgit@devbox \
    --to=mhiramat@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=rostedt@goodmis.org \
    --cc=shuah@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).