[v2,29/32] selftests/ftrace: Add wakeup_rt tracer testcase
diff mbox series

Message ID 153443777214.23257.14428652484801816908.stgit@devbox
State Superseded
Headers show
Series
  • selftests/ftrace: Improve ftracetest with coverage check
Related show

Commit Message

Masami Hiramatsu Aug. 16, 2018, 4:42 p.m. UTC
Add a testcase for wakeup_rt tracer. This requires chrt
command to test.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 .../selftests/ftrace/test.d/tracer/wakeup_rt.tc    |   25 ++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc

Comments

Steven Rostedt Aug. 25, 2018, 2:09 a.m. UTC | #1
On Fri, 17 Aug 2018 01:42:52 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Add a testcase for wakeup_rt tracer. This requires chrt
> command to test.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> ---
>  .../selftests/ftrace/test.d/tracer/wakeup_rt.tc    |   25 ++++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
> 
> diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
> new file mode 100644
> index 000000000000..3f279072ec2d
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
> @@ -0,0 +1,25 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL2.0
> +# description: Test wakeup RT tracer
> +
> +if ! which nice ; then
> +  echo "chrt is not found. This test requires chrt command."
> +  exit_unresolved
> +fi
> +
> +if ! grep -wq "wakeup_rt" available_tracers ; then
> +  echo "wakeup_rt tracer is not supported"
> +  exit_unsupported
> +fi
> +
> +echo wakeup > current_tracer

I think you meant "echo wakeup_rt" ;-)

-- Steve

> +echo 1 > tracing_on
> +echo 0 > tracing_max_latency
> +
> +: "Wakeup a realtime task"
> +chrt -f 5 sleep 1
> +
> +echo 0 > tracing_on
> +grep "+ \[[[:digit:]]*\]" trace
> +grep "==> \[[[:digit:]]*\]" trace
> +
Masami Hiramatsu Aug. 26, 2018, 11:22 a.m. UTC | #2
On Fri, 24 Aug 2018 22:09:49 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> On Fri, 17 Aug 2018 01:42:52 +0900
> Masami Hiramatsu <mhiramat@kernel.org> wrote:
> 
> > Add a testcase for wakeup_rt tracer. This requires chrt
> > command to test.
> > 
> > Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> > ---
> >  .../selftests/ftrace/test.d/tracer/wakeup_rt.tc    |   25 ++++++++++++++++++++
> >  1 file changed, 25 insertions(+)
> >  create mode 100644 tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
> > 
> > diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
> > new file mode 100644
> > index 000000000000..3f279072ec2d
> > --- /dev/null
> > +++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
> > @@ -0,0 +1,25 @@
> > +#!/bin/sh
> > +# SPDX-License-Identifier: GPL2.0
> > +# description: Test wakeup RT tracer
> > +
> > +if ! which nice ; then
> > +  echo "chrt is not found. This test requires chrt command."
> > +  exit_unresolved
> > +fi
> > +
> > +if ! grep -wq "wakeup_rt" available_tracers ; then
> > +  echo "wakeup_rt tracer is not supported"
> > +  exit_unsupported
> > +fi
> > +
> > +echo wakeup > current_tracer
> 
> I think you meant "echo wakeup_rt" ;-)

Oops, that's my fault....

Thanks!

> 
> -- Steve
> 
> > +echo 1 > tracing_on
> > +echo 0 > tracing_max_latency
> > +
> > +: "Wakeup a realtime task"
> > +chrt -f 5 sleep 1
> > +
> > +echo 0 > tracing_on
> > +grep "+ \[[[:digit:]]*\]" trace
> > +grep "==> \[[[:digit:]]*\]" trace
> > +
>

Patch
diff mbox series

diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
new file mode 100644
index 000000000000..3f279072ec2d
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
@@ -0,0 +1,25 @@ 
+#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
+# description: Test wakeup RT tracer
+
+if ! which nice ; then
+  echo "chrt is not found. This test requires chrt command."
+  exit_unresolved
+fi
+
+if ! grep -wq "wakeup_rt" available_tracers ; then
+  echo "wakeup_rt tracer is not supported"
+  exit_unsupported
+fi
+
+echo wakeup > current_tracer
+echo 1 > tracing_on
+echo 0 > tracing_max_latency
+
+: "Wakeup a realtime task"
+chrt -f 5 sleep 1
+
+echo 0 > tracing_on
+grep "+ \[[[:digit:]]*\]" trace
+grep "==> \[[[:digit:]]*\]" trace
+