[v2,26/32] selftests/ftrace: Add trace_pipe testcase
diff mbox series

Message ID 153443768729.23257.2645114356784631107.stgit@devbox
State Superseded
Headers show
Series
  • selftests/ftrace: Improve ftracetest with coverage check
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Commit Message

Masami Hiramatsu Aug. 16, 2018, 4:41 p.m. UTC
Add a simple testcase for trace_pipe which can consume
ringbuffer.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 .../selftests/ftrace/test.d/00basic/trace_pipe.tc  |   15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc

Comments

Steven Rostedt Aug. 24, 2018, 11:26 p.m. UTC | #1
On Fri, 17 Aug 2018 01:41:27 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Add a simple testcase for trace_pipe which can consume
> ringbuffer.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> ---
>  .../selftests/ftrace/test.d/00basic/trace_pipe.tc  |   15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>  create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> 
> diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> new file mode 100644
> index 000000000000..a7dd6fda487a
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> @@ -0,0 +1,15 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL-2.0
> +# description: trace_pipe and trace_marker

Should add:

 # flags: instance

-- Steve

> +
> +[ ! -f trace_marker ] && exit_unsupported
> +
> +echo "test input 1" > trace_marker
> +
> +: "trace interface never consume the ring buffer"
> +grep -q "test input 1" trace
> +grep -q "test input 1" trace
> +
> +: "trace interface never consume the ring buffer"
> +head -n 1 trace_pipe | grep -q "test input 1"
> +! grep -q "test input 1" trace
Masami Hiramatsu Aug. 26, 2018, 11:20 a.m. UTC | #2
On Fri, 24 Aug 2018 19:26:29 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> On Fri, 17 Aug 2018 01:41:27 +0900
> Masami Hiramatsu <mhiramat@kernel.org> wrote:
> 
> > Add a simple testcase for trace_pipe which can consume
> > ringbuffer.
> > 
> > Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> > ---
> >  .../selftests/ftrace/test.d/00basic/trace_pipe.tc  |   15 +++++++++++++++
> >  1 file changed, 15 insertions(+)
> >  create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> > 
> > diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> > new file mode 100644
> > index 000000000000..a7dd6fda487a
> > --- /dev/null
> > +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> > @@ -0,0 +1,15 @@
> > +#!/bin/sh
> > +# SPDX-License-Identifier: GPL-2.0
> > +# description: trace_pipe and trace_marker
> 
> Should add:
> 
>  # flags: instance

Ah, right!

Thanks!

> 
> -- Steve
> 
> > +
> > +[ ! -f trace_marker ] && exit_unsupported
> > +
> > +echo "test input 1" > trace_marker
> > +
> > +: "trace interface never consume the ring buffer"
> > +grep -q "test input 1" trace
> > +grep -q "test input 1" trace
> > +
> > +: "trace interface never consume the ring buffer"
> > +head -n 1 trace_pipe | grep -q "test input 1"
> > +! grep -q "test input 1" trace
>

Patch
diff mbox series

diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
new file mode 100644
index 000000000000..a7dd6fda487a
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
@@ -0,0 +1,15 @@ 
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: trace_pipe and trace_marker
+
+[ ! -f trace_marker ] && exit_unsupported
+
+echo "test input 1" > trace_marker
+
+: "trace interface never consume the ring buffer"
+grep -q "test input 1" trace
+grep -q "test input 1" trace
+
+: "trace interface never consume the ring buffer"
+head -n 1 trace_pipe | grep -q "test input 1"
+! grep -q "test input 1" trace