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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: James Clark <james.clark@arm.com>,
	Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-perf-users@vger.kernel.org, broonie@kernel.org,
	Aishwarya.TCV@arm.com, Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] perf tools: Add a place to put kernel config fragments for test runs
Date: Wed, 14 Jun 2023 11:13:26 -0300	[thread overview]
Message-ID: <ZInLBt9q2F99gTg8@kernel.org> (raw)
In-Reply-To: <20230614140219.2335639-1-james.clark@arm.com>

Em Wed, Jun 14, 2023 at 03:02:19PM +0100, James Clark escreveu:
> We are currently keeping something like this in our CI because defconfig
> doesn't give full coverage. It's not complete yet, but is a starting
> point as a place to add to when a specific test needs something extra to
> run.
> 
> The RFC is for discussion on folder placement and file naming etc.

Would be interesting to add the Kconfig maintainer to see if they have
an opinion, Masahiro?

- Arnaldo
 
> Signed-off-by: James Clark <james.clark@arm.com>
> ---
>  tools/perf/tests/config-fragments/README  |  7 +++++++
>  tools/perf/tests/config-fragments/aarch64 |  1 +
>  tools/perf/tests/config-fragments/config  | 11 +++++++++++
>  3 files changed, 19 insertions(+)
>  create mode 100644 tools/perf/tests/config-fragments/README
>  create mode 100644 tools/perf/tests/config-fragments/aarch64
>  create mode 100644 tools/perf/tests/config-fragments/config
> 
> diff --git a/tools/perf/tests/config-fragments/README b/tools/perf/tests/config-fragments/README
> new file mode 100644
> index 000000000000..e816cfb1b96d
> --- /dev/null
> +++ b/tools/perf/tests/config-fragments/README
> @@ -0,0 +1,7 @@
> +This folder is for kernel config fragments that can be merged with
> +defconfig to give full test coverage of a perf test run. This is only
> +an optimistic set as some features require hardware support in order to
> +pass and not skip.
> +
> +'config' is shared across all platforms, and for arch specific files,
> +the file name should match that returned by 'uname -m'.
> diff --git a/tools/perf/tests/config-fragments/aarch64 b/tools/perf/tests/config-fragments/aarch64
> new file mode 100644
> index 000000000000..64c4ab17cd58
> --- /dev/null
> +++ b/tools/perf/tests/config-fragments/aarch64
> @@ -0,0 +1 @@
> +CONFIG_CORESIGHT_SOURCE_ETM4X=y
> diff --git a/tools/perf/tests/config-fragments/config b/tools/perf/tests/config-fragments/config
> new file mode 100644
> index 000000000000..c340b3195fca
> --- /dev/null
> +++ b/tools/perf/tests/config-fragments/config
> @@ -0,0 +1,11 @@
> +CONFIG_TRACEPOINTS=y
> +CONFIG_STACKTRACE=y
> +CONFIG_NOP_TRACER=y
> +CONFIG_RING_BUFFER=y
> +CONFIG_EVENT_TRACING=y
> +CONFIG_CONTEXT_SWITCH_TRACER=y
> +CONFIG_TRACING=y
> +CONFIG_GENERIC_TRACER=y
> +CONFIG_FTRACE=y
> +CONFIG_FTRACE_SYSCALLS=y
> +CONFIG_BRANCH_PROFILE_NONE=y
> -- 
> 2.34.1
> 

-- 

- Arnaldo

  reply	other threads:[~2023-06-14 14:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-14 14:02 [RFC PATCH] perf tools: Add a place to put kernel config fragments for test runs James Clark
2023-06-14 14:13 ` Arnaldo Carvalho de Melo [this message]
2023-06-14 14:19   ` James Clark
2023-06-15  1:26     ` Leo Yan
2023-06-15 11:19       ` Mark Brown

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