From: Tom Zanussi <zanussi@kernel.org>
To: rostedt@goodmis.org
Cc: tglx@linutronix.de, mhiramat@kernel.org, namhyung@kernel.org,
vedang.patel@intel.com, bigeasy@linutronix.de,
joel@joelfernandes.org, mathieu.desnoyers@efficios.com,
julia@ni.com, linux-kernel@vger.kernel.org,
linux-rt-users@vger.kernel.org
Subject: [PATCH v12 13/16] tracing: Add hist trigger snapshot() action test case
Date: Tue, 15 Jan 2019 16:05:57 -0600 [thread overview]
Message-ID: <4942b3857d1146f7549931cf08f840627c64c77a.1547589128.git.tom.zanussi@linux.intel.com> (raw)
In-Reply-To: <cover.1547589128.git.tom.zanussi@linux.intel.com>
In-Reply-To: <cover.1547589128.git.tom.zanussi@linux.intel.com>
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Add a test case verifying the basic functionality of the
hist:snapshot() action.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
---
.../inter-event/trigger-snapshot-action-hist.tc | 43 ++++++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
new file mode 100644
index 000000000000..18fff69fc433
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
@@ -0,0 +1,43 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger snapshot action
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f snapshot ]; then
+ echo "snapshot is not supported"
+ exit_unsupported
+fi
+
+grep -q "onchange(var)" README || exit_unsupported # version issue
+
+grep -q "snapshot()" README || exit_unsupported # version issue
+
+echo "Test snapshot action"
+
+echo 1 > /sys/kernel/debug/tracing/events/sched/enable
+
+echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger
+
+ping $LOCALHOST -c 3
+nice -n 1 ping $LOCALHOST -c 3
+
+echo 0 > tracing_on
+
+if ! grep -q "changed:" events/sched/sched_waking/hist; then
+ fail "Failed to create onchange action inter-event histogram"
+fi
+
+if ! grep -q "comm=ping" snapshot; then
+ fail "Failed to create snapshot action inter-event histogram"
+fi
+
+exit 0
--
2.14.1
next prev parent reply other threads:[~2019-01-15 22:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-15 22:05 [PATCH v12 00/16] tracing: Hist trigger snapshot and onchange additions Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 01/16] tracing: Use str_has_prefix() in synth_event_create() Tom Zanussi
2019-01-16 4:59 ` Joe Perches
2019-01-16 15:50 ` Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 02/16] tracing: Refactor hist trigger action code Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 03/16] tracing: Make hist trigger Documentation better reflect actions/handlers Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 04/16] tracing: Split up onmatch action data Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 05/16] tracing: Generalize hist trigger onmax and save action Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 06/16] tracing: Add conditional snapshot Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 07/16] tracing: Add hist trigger snapshot() action Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 08/16] tracing: Add hist trigger snapshot() action Documentation Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 09/16] tracing: Add hist trigger onchange() handler Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 10/16] tracing: Add hist trigger onchange() handler Documentation Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 11/16] tracing: Add alternative synthetic event trace action syntax Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 12/16] tracing: Add SPDX license GPL-2.0 license identifier to inter-event testcases Tom Zanussi
2019-01-15 22:05 ` Tom Zanussi [this message]
2019-01-15 22:05 ` [PATCH v12 14/16] tracing: Add hist trigger onchange() handler test case Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 15/16] tracing: Add alternative synthetic event trace action " Tom Zanussi
2019-01-15 22:06 ` [PATCH v12 16/16] tracing: Add hist trigger action 'expected fail' " Tom Zanussi
2019-01-16 6:43 ` [PATCH v12 00/16] tracing: Hist trigger snapshot and onchange additions Namhyung Kim
2019-01-16 19:02 ` Tom Zanussi
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=4942b3857d1146f7549931cf08f840627c64c77a.1547589128.git.tom.zanussi@linux.intel.com \
--to=zanussi@kernel.org \
--cc=bigeasy@linutronix.de \
--cc=joel@joelfernandes.org \
--cc=julia@ni.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rt-users@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mhiramat@kernel.org \
--cc=namhyung@kernel.org \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=vedang.patel@intel.com \
/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).