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Date: Wed, 28 Feb 2024 08:13:59 -0800
From: Yury Norov <yury.norov@gmail.com>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Michal Swiatkowski <michal.swiatkowski@linux.intel.com>,
	Marcin Szycik <marcin.szycik@linux.intel.com>,
	Wojciech Drewek <wojciech.drewek@intel.com>,
	Andy Shevchenko <andy@kernel.org>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Alexander Potapenko <glider@google.com>,
	Jiri Pirko <jiri@resnulli.us>, Ido Schimmel <idosch@nvidia.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Simon Horman <horms@kernel.org>, linux-btrfs@vger.kernel.org,
	dm-devel@redhat.com, ntfs3@lists.linux.dev,
	linux-s390@vger.kernel.org, intel-wired-lan@lists.osuosl.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH net-next v5 02/21] lib/test_bitmap: add tests for
 bitmap_{read,write}()
Message-ID: <Zd9bxxRQboZI98KX@yury-ThinkPad>
References: <20240201122216.2634007-1-aleksander.lobakin@intel.com>
 <20240201122216.2634007-3-aleksander.lobakin@intel.com>
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In-Reply-To: <20240201122216.2634007-3-aleksander.lobakin@intel.com>

On Thu, Feb 01, 2024 at 01:21:57PM +0100, Alexander Lobakin wrote:
> From: Alexander Potapenko <glider@google.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@google.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Acked-by: Yury Norov <yury.norov@gmail.com>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>

Signed-off-by: Yury Norov <yury.norov@gmail.com>