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 15/16] tracing: Add alternative synthetic event trace action test case
Date: Tue, 15 Jan 2019 16:05:59 -0600 [thread overview]
Message-ID: <3f7d5cc63500a8fd9aafc784a039ad55235528d8.1547589128.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 for the alternative trace(<synthetic_event, params)
synthetic event generation syntax.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
---
.../inter-event/trigger-trace-action-hist.tc | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
new file mode 100644
index 000000000000..8021d60aafec
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
@@ -0,0 +1,42 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger trace action
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f synthetic_events ]; then
+ echo "synthetic event is not supported"
+ exit_unsupported
+fi
+
+grep -q "trace(<synthetic_event>" README || exit_unsupported # version issue
+
+echo "Test create synthetic event"
+
+echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
+if [ ! -d events/synthetic/wakeup_latency ]; then
+ fail "Failed to create wakeup_latency synthetic event"
+fi
+
+echo "Test create histogram for synthetic event using trace action"
+echo "Test histogram variables,simple expression support and trace action"
+
+echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
+echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).trace(wakeup_latency,$wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
+echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
+
+ping $LOCALHOST -c 5
+
+if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
+ fail "Failed to create trace 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 ` [PATCH v12 13/16] tracing: Add hist trigger snapshot() action test case Tom Zanussi
2019-01-15 22:05 ` [PATCH v12 14/16] tracing: Add hist trigger onchange() handler " Tom Zanussi
2019-01-15 22:05 ` Tom Zanussi [this message]
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
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