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SubjectRe: [PATCH v2 27/32] selftests/ftrace: Add stacktrace ftrace filter command testcase
On Fri, 17 Aug 2018 01:41:55 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Add a test case for stacktrace filter command for ftrace.
>
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> ---
> .../ftrace/test.d/ftrace/func-filter-stacktrace.tc | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
> create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
>
> diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
> new file mode 100644
> index 000000000000..ec0d8216d509
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
> @@ -0,0 +1,12 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL2.0
> +# description: ftrace - stacktrace filter command

Add:

# flags: instance

> +
> +echo _do_fork:stacktrace >> set_ftrace_filter
> +
> +grep -q "_do_fork:stacktrace:unlimited" set_ftrace_filter
> +
> +(echo "forked"; sleep 1)
> +
> +grep -q "<stack trace>" trace

> +

Can remove the extra line.

-- Steve

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