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Message-ID: <Zd9bxxRQboZI98KX@yury-ThinkPad>
Date: Wed, 28 Feb 2024 08:13:59 -0800
From: Yury Norov <yury.norov@...il.com>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
Marcin Szycik <marcin.szycik@...ux.intel.com>,
Wojciech Drewek <wojciech.drewek@...el.com>,
Andy Shevchenko <andy@...nel.org>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
Alexander Potapenko <glider@...gle.com>,
Jiri Pirko <jiri@...nulli.us>, Ido Schimmel <idosch@...dia.com>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
Simon Horman <horms@...nel.org>, linux-btrfs@...r.kernel.org,
dm-devel@...hat.com, ntfs3@...ts.linux.dev,
linux-s390@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH net-next v5 02/21] lib/test_bitmap: add tests for
bitmap_{read,write}()
On Thu, Feb 01, 2024 at 01:21:57PM +0100, Alexander Lobakin wrote:
> From: Alexander Potapenko <glider@...gle.com>
>
> Add basic tests ensuring that values can be added at arbitrary positions
> of the bitmap, including those spanning into the adjacent unsigned
> longs.
>
> Two new performance tests, test_bitmap_read_perf() and
> test_bitmap_write_perf(), can be used to assess future performance
> improvements of bitmap_read() and bitmap_write():
>
> [ 0.431119][ T1] test_bitmap: Time spent in test_bitmap_read_perf: 615253
> [ 0.433197][ T1] test_bitmap: Time spent in test_bitmap_write_perf: 916313
>
> (numbers from a Intel(R) Xeon(R) Gold 6154 CPU @ 3.00GHz machine running
> QEMU).
>
> Signed-off-by: Alexander Potapenko <glider@...gle.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Acked-by: Yury Norov <yury.norov@...il.com>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
Signed-off-by: Yury Norov <yury.norov@...il.com>
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