From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f171.google.com (mail-yb1-f171.google.com [209.85.219.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CC6E6A33A for ; Thu, 14 Dec 2023 19:50:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZZyaZRBa" Received: by mail-yb1-f171.google.com with SMTP id 3f1490d57ef6-dbcc9d4b1aeso2415027276.2 for ; Thu, 14 Dec 2023 11:50:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702583435; x=1703188235; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Yb+o2JAZQlVNKG7fXJf8P7vZ33idkTo9Rp/GDP3MtpI=; b=ZZyaZRBapR8cW6h1pRuxUs+s6pDFfI4m6qSl31TpDXDO6O3CYlVOwXcOhkqPZy8PoU xXDUXFdrQjQSYeWL2TkmjswSqIY6VVLEW/QJZPBX4dSkLpYMGyFVSVoOFkWjacLkePIF vN+4PtblmYitI4CbkEBBOVt53Mlsy+kv+u/gpoMrnTSZRUgG/tsbmTGmHoJNF3aNkyOe zA+n8L0y7OPZhaviR5vxz8BkLTD5d9zpbFUXed3qDqNlbjHzgYAh1tLTbT/4XxCp2N+W 5kdGSlC9Jcfy1Ks4v7mXaobLma45XibATJhPKKusO8SRu9QaWjFmiqi0C3b2UBGB4ca/ +86g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702583435; x=1703188235; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Yb+o2JAZQlVNKG7fXJf8P7vZ33idkTo9Rp/GDP3MtpI=; b=EpWa8XyB4PyBv32Iaal3XcFko4kNqFNqJMCva7w8Sbw85yzJJurIBaLbwrzYFsfbVR Qss/AoyU3IFwMeq5R9ZDak815oj7RRAEbAaNpUaSYsJg/b7Rz1Qnwtnk/61O7LRizGAH Kt7r6t/ZmRJHgj5duEsusl5bZs8To9ehgKK/j1T4e0ht6yd4SvcwRDj8H0gYFkMdMfcU eRj8SlAaz2DIynZ1pTqekNY9Ml+LTNYX2hD4kXYcmcFineZgHFh6MTTQxfyyrd6EQlCQ jvLy9SuPn6WAL11Z0LvzCLqXjMMdg1t2SDyli4NEK+x1kt8U6rpAQOCbA3DXshVW7/Lq 29DQ== X-Gm-Message-State: AOJu0Yz7LejfZaj4GCfJ6p4QhBcTKVhb4jO0ZUq55Y78dW3X2A2EgAEo 5SZAGgU/CH90MoTNVUQEmhY= X-Google-Smtp-Source: AGHT+IHQtv8Bkdyj/eVShuOeEE465+EQ06MZQSlOgYCjkFXf7raQcerrdORSwd1NUFAQcykJo0l6UA== X-Received: by 2002:a25:9242:0:b0:dbc:eded:5a92 with SMTP id e2-20020a259242000000b00dbceded5a92mr807872ybo.99.1702583434645; Thu, 14 Dec 2023 11:50:34 -0800 (PST) Received: from localhost ([2601:344:8301:57f0:e177:373d:4717:ff6c]) by smtp.gmail.com with ESMTPSA id z6-20020a5b0a46000000b00d9cc606c78csm4898350ybq.41.2023.12.14.11.50.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 11:50:34 -0800 (PST) Date: Thu, 14 Dec 2023 11:50:33 -0800 From: Yury Norov To: Alexander Potapenko Cc: catalin.marinas@arm.com, will@kernel.org, pcc@google.com, andreyknvl@gmail.com, andriy.shevchenko@linux.intel.com, aleksander.lobakin@intel.com, linux@rasmusvillemoes.dk, alexandru.elisei@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, eugenis@google.com, syednwaris@gmail.com, william.gray@linaro.org Subject: Re: [PATCH v10-mte 2/7] lib/test_bitmap: add tests for bitmap_{read,write}() Message-ID: References: <20231214110639.2294687-1-glider@google.com> <20231214110639.2294687-3-glider@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231214110639.2294687-3-glider@google.com> On Thu, Dec 14, 2023 at 12:06:34PM +0100, Alexander Potapenko wrote: > 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 > Reviewed-by: Andy Shevchenko Acked-by: Yury Norov