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 v11 13/15] tracing: Add hist trigger onchange() handler test case
Date: Wed, 9 Jan 2019 13:49:20 -0600 [thread overview]
Message-ID: <72844fa6fbc743be0ddf8f3766d662cea7322909.1547062835.git.tom.zanussi@linux.intel.com> (raw)
In-Reply-To: <cover.1547062835.git.tom.zanussi@linux.intel.com>
In-Reply-To: <cover.1547062835.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:onchange($var) handler.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
---
.../inter-event/trigger-onchange-action-hist.tc | 28 ++++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
new file mode 100644
index 000000000000..064a284e4e75
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
@@ -0,0 +1,28 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger onchange action
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+grep -q "onchange(var)" README || exit_unsupported # version issue
+
+echo "Test onchange action"
+
+echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger
+
+ping $LOCALHOST -c 3
+nice -n 1 ping $LOCALHOST -c 3
+
+if ! grep -q "changed:" events/sched/sched_waking/hist; then
+ fail "Failed to create onchange action inter-event histogram"
+fi
+
+exit 0
--
2.14.1
next prev parent reply other threads:[~2019-01-09 19:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-09 19:49 [PATCH v11 00/15] tracing: Hist trigger snapshot and onchange additions Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 01/15] tracing: Refactor hist trigger action code Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 02/15] tracing: Make hist trigger Documentation better reflect actions/handlers Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 03/15] tracing: Split up onmatch action data Tom Zanussi
2019-01-11 4:32 ` Namhyung Kim
2019-01-09 19:49 ` [PATCH v11 04/15] tracing: Generalize hist trigger onmax and save action Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 05/15] tracing: Add conditional snapshot Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 06/15] tracing: Add hist trigger snapshot() action Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 07/15] tracing: Add hist trigger snapshot() action Documentation Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 08/15] tracing: Add hist trigger onchange() handler Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 09/15] tracing: Add hist trigger onchange() handler Documentation Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 10/15] tracing: Add alternative synthetic event trace action syntax Tom Zanussi
2019-01-11 6:07 ` Namhyung Kim
2019-01-11 16:25 ` Tom Zanussi
2019-01-14 4:59 ` Namhyung Kim
2019-01-09 19:49 ` [PATCH v11 11/15] tracing: Add SPDX license GPL-2.0 license identifier to inter-event testcases Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 12/15] tracing: Add hist trigger snapshot() action test case Tom Zanussi
2019-01-09 19:49 ` Tom Zanussi [this message]
2019-01-09 19:49 ` [PATCH v11 14/15] tracing: Add alternative synthetic event trace " Tom Zanussi
2019-01-09 19:49 ` [PATCH v11 15/15] tracing: Add hist trigger action 'expected fail' " Tom Zanussi
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