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SubjectRe: [PATCH v2 3/3] selftests: ftrace: Add synthetic event syntax testcase

Hi Masami,

Thanks! I pulled this into my urgent queue and will be running tests on
it over night.

Shuah, can you ack this patch, as I want to add it to this release,
along with the other changes.

Thanks!

-- Steve


On Thu, 18 Oct 2018 22:13:02 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Add a testcase to check the syntax and field types for
> synthetic_events interface.
>
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> ---
> .../inter-event/trigger-synthetic-event-syntax.tc | 80 ++++++++++++++++++++
> 1 file changed, 80 insertions(+)
> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc
>
> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc
> new file mode 100644
> index 000000000000..88e6c3f43006
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc
> @@ -0,0 +1,80 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL-2.0
> +# description: event trigger - test synthetic_events syntax parser
> +
> +do_reset() {
> + reset_trigger
> + echo > set_event
> + clear_trace
> +}
> +
> +fail() { #msg
> + do_reset
> + 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
> +
> +reset_tracer
> +do_reset
> +
> +echo "Test synthetic_events syntax parser"
> +
> +echo > synthetic_events
> +
> +# synthetic event must have a field
> +! echo "myevent" >> synthetic_events
> +echo "myevent u64 var1" >> synthetic_events
> +
> +# synthetic event must be found in synthetic_events
> +grep "myevent[[:space:]]u64 var1" synthetic_events
> +
> +# it is not possible to add same name event
> +! echo "myevent u64 var2" >> synthetic_events
> +
> +# Non-append open will cleanup all events and add new one
> +echo "myevent u64 var2" > synthetic_events
> +
> +# multiple fields with different spaces
> +echo "myevent u64 var1; u64 var2;" > synthetic_events
> +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
> +echo "myevent u64 var1 ; u64 var2 ;" > synthetic_events
> +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
> +echo "myevent u64 var1 ;u64 var2" > synthetic_events
> +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
> +
> +# test field types
> +echo "myevent u32 var" > synthetic_events
> +echo "myevent u16 var" > synthetic_events
> +echo "myevent u8 var" > synthetic_events
> +echo "myevent s64 var" > synthetic_events
> +echo "myevent s32 var" > synthetic_events
> +echo "myevent s16 var" > synthetic_events
> +echo "myevent s8 var" > synthetic_events
> +
> +echo "myevent char var" > synthetic_events
> +echo "myevent int var" > synthetic_events
> +echo "myevent long var" > synthetic_events
> +echo "myevent pid_t var" > synthetic_events
> +
> +echo "myevent unsigned char var" > synthetic_events
> +echo "myevent unsigned int var" > synthetic_events
> +echo "myevent unsigned long var" > synthetic_events
> +grep "myevent[[:space:]]unsigned long var" synthetic_events
> +
> +# test string type
> +echo "myevent char var[10]" > synthetic_events
> +grep "myevent[[:space:]]char\[10\] var" synthetic_events
> +
> +do_reset
> +
> +exit 0

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