linux-kernel - Re: [PATCH v5 0/3] selftests/resctrl: Simplify test cleanup functions

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Message-ID: <ac887a4a-5647-468a-9696-4a3909e42561@intel.com>
Date: Tue, 27 Feb 2024 08:36:18 -0800
From: Reinette Chatre <reinette.chatre@...el.com>
To: <shuah@...nel.org>
CC: <linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<ilpo.jarvinen@...ux.intel.com>, "Yu, Fenghua" <fenghua.yu@...el.com>, Maciej
 Wieczor-Retman <maciej.wieczor-retman@...el.com>
Subject: Re: [PATCH v5 0/3] selftests/resctrl: Simplify test cleanup functions

Hi Shuah,

Could you please consider this series for inclusion? I do admit that
there has been a lot of resctrl selftest work recently. This should be
it for a while as new work is still being worked on. 

Thank you very much.

Reinette

On 2/26/2024 11:21 PM, Maciej Wieczor-Retman wrote:
> Cleaning up after tests is implemented separately for individual tests
> and called at the end of each test execution. Since these functions are
> very similar and a more generalized test framework was introduced a
> function pointer in the resctrl_test struct can be used to reduce the
> amount of function calls.
> 
> These functions are also all called in the ctrl-c handler because the
> handler isn't aware which test is currently running. Since the handler
> is implemented with a sigaction no function parameters can be passed
> there but information about what test is currently running can be passed
> with a global variable.
> 
> Series applies cleanly on top of kselftests/next.
> 
> Changelog v5:
> - Rebase onto kselftests/next.
> - Add Reinette's reviewed-by tag.
> 
> Changelog v4:
> - Check current_test pointer and reset it in signal unregistering.
> - Move cleanup call to test_cleanup function.
> 
> Changelog v3:
> - Make current_test static.
> - Add callback NULL check to the ctrl-c handler.
> 
> Changelog v2:
> - Make current_test a const pointer limited in scope to resctrl_val
>   file.
> - Remove tests_cleanup from resctrl.h.
> - Cleanup 'goto out' path and labels in individual test functions.
> 
> Older versions of this series:
> [v1] https://lore.kernel.org/all/cover.1708434017.git.maciej.wieczor-retman@intel.com/
> [v2] https://lore.kernel.org/all/cover.1708596015.git.maciej.wieczor-retman@intel.com/
> [v3] https://lore.kernel.org/all/cover.1708599491.git.maciej.wieczor-retman@intel.com/
> [v4] https://lore.kernel.org/all/cover.1708949785.git.maciej.wieczor-retman@intel.com/
> 
> Maciej Wieczor-Retman (3):
>   selftests/resctrl: Add cleanup function to test framework
>   selftests/resctrl: Simplify cleanup in ctrl-c handler
>   selftests/resctrl: Move cleanups out of individual tests
> 
>  tools/testing/selftests/resctrl/cat_test.c    |  8 +++-----
>  tools/testing/selftests/resctrl/cmt_test.c    |  4 ++--
>  tools/testing/selftests/resctrl/mba_test.c    |  8 +++-----
>  tools/testing/selftests/resctrl/mbm_test.c    |  8 +++-----
>  tools/testing/selftests/resctrl/resctrl.h     |  9 +++------
>  .../testing/selftests/resctrl/resctrl_tests.c | 20 +++++++------------
>  tools/testing/selftests/resctrl/resctrl_val.c |  8 ++++++--
>  7 files changed, 27 insertions(+), 38 deletions(-)
>