diff mbox series

[17/25] selftests/ftrace: Add kprobe profile testcase

Message ID	153269387834.3084.10793461311830659918.stgit@devbox (mailing list archive)
State	New
Headers	show Return-Path: <linux-kselftest-owner@kernel.org> 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 Message-Id: <153269387834.3084.10793461311830659918.stgit@devbox> In-Reply-To: <153269339575.3084.16279591141931053689.stgit@devbox> References: <153269339575.3084.16279591141931053689.stgit@devbox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk
Series	selftests/ftrace: Improve ftracetest with coverage check \| expand [00/25] selftests/ftrace: Improve ftracetest with coverage check [01/25] tracing: Allow gcov profiling on only ftrace subsystem [02/25] selftests/ftrace: Add --stop-fail hidden option for debug [03/25] selftests/ftrace: Add --console hidden option [04/25] selftests/ftrace: Add case number prefix to logfile [05/25] selftests/ftrace: More initialize features in initialize_ftrace [06/25] selftests/ftrace: Cleanup ftrace after running test [07/25] selftests/ftrace: Remove unneeded per-test init/cleanup ftrace [08/25] selftests/ftrace: Fix to test kprobe $comm arg only if available [09/25] selftests/ftrace: Fix checkbashisms errors [10/25] selftests/ftrace: Use loopback address instead of localhost [11/25] selftests/ftrace: Improve kprobe on module testcase to load/unload module [12/25] selftests/ftrace: Improve kprobe testcase to check log data [13/25] selftests/ftrace: Improve kretprobe testcase to check log data [14/25] selftests/ftrace: Test kprobe-event argument with various bitsize [15/25] selftests/ftrace: Check set_event_pid result [16/25] selftests/ftrace: Add kprobe event with $comm argument testcase [17/25] selftests/ftrace: Add kprobe profile testcase [18/25] selftests/ftrace: Add a testcase for nop tracer [19/25] selftests/ftrace: Add kprobe-event with symbol argument test [20/25] selftests/ftrace: Add trace_printk sample module test [21/25] selftests/ftrace: Add ringbuffer size changing testcase [22/25] selftests/ftrace: Add function profiling stat testcase [23/25] selftests/ftrace: Add max stack tracer testcase [24/25] selftests/ftrace: Add function filter on module testcase [25/25] selftests/ftrace: Add trace_pipe testcase

Commit Message

Masami Hiramatsu (Google) July 27, 2018, 12:17 p.m. UTC

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


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diff mbox series

Patch

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