From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) (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 7AD3B2139C7; Thu, 20 Jun 2024 03:18:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718853531; cv=none; b=X5381CTE/BeUio0D0OPiTK+QtGOTviXnsBgsQWVveeBqhyYFdt9mrTmzKcQhbBLDYdkOz3ODZNqFzOsyAAbAsrCEnLzKuJfRhHQCM0gdu6LHA40BeOxl9MuKP+IJ43N2rP3qsAtqetpHDimIyu4tTmQZqjgw3QOUvfnIwlCEH0E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718853531; c=relaxed/simple; bh=Ku4WBWGLxv96+zeTa8DS1MjRgA6aKIiac+KSQePtfA8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NjcgYrRRq3kmEVAUulmBptMloGkyOBJ3oBAV+QFSzkoCl7ybs3HIrFBnm7Qv5x67+mFnwlicvIUM9K3Yv0HHGd/O1hJPr6BpoQB6QKbXrrwOu5481MEBq/NLzlsmNIvKhO/gF2uKdDKnS4iMJbiSkgUTduLfVJwL2EpvbAPEZak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=HnXlEZsf; arc=none smtp.client-ip=209.85.216.50 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="HnXlEZsf" Received: by mail-pj1-f50.google.com with SMTP id 98e67ed59e1d1-2c72becd4fdso417248a91.0; Wed, 19 Jun 2024 20:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1718853530; x=1719458330; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=bxzWE9lbTzRfMB3sOdCyzovZxPNcU5DkIKhPdXbvn8I=; b=HnXlEZsfZN+Za1OuPMF1I9L6cEHgCX1a6hKgeT/KbP2V79qjFgEOs+6pVrV6Qv5Wjo 5NJXrCumleGnDWkba0sI7YuycOEsMiynNylMi7MUvWg8qIOu6HwK9Wcz2Kpc+L6yEIK4 VVUZF/T1ilFoyAKc60CGuqug3tbWtfqGEXUAralefg3C2akamu49En3174a6jMI0Iiu/ yzoYR5oGhEPuN2Xn5BmvG6TLFvV6x8Y8UBMbv8W1Vtr6On6LOL4MdM2ib5ReYrWYlKu3 SWj7vGjblrFOIYhRuA1Xc17fFl1QkCwnuK8NOOkPGwIpLpuJ2u0tDSR1UnhmaJkNJ3JA 96lA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718853530; x=1719458330; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=bxzWE9lbTzRfMB3sOdCyzovZxPNcU5DkIKhPdXbvn8I=; b=vLIQ/vHPYMgtWTJKzytk8F9Xs5jbBe3vOYnSWEnrcF9+bvz5S0zkfUOhP/7yk1It2C TNIR/J/63UVr2g2p9FLXN1N9RcEyekmVroXGZcZPPlOuvAMDm+cOUt8Fxjx5wuLNfzg3 BtJAZazxmCLkANFx5VAwgidNkU/ilblA+Gktptt3YpMm1LUqJLashrSMjciR9QE0Rlh2 irEE8Y8NU5UBWJE+Rq1+oL8KulnvR+BJW4+Kwaz/96QF0JekNGMbHJs3BtwZG1NYcpJ2 sludBSUkrk5U9YAO7E0C+SNENWmyRaezHhuNiWY2wKy85xp+3cbNOQwj+Ewz+1v1ACNE T9Nw== X-Forwarded-Encrypted: i=1; AJvYcCUwcozNQR6DxRNuPB5wbnADZv/BqCkFMXPgU5PmKmtCeU+4Pknq+9irkzCGcJPqAlDR60kfITMsHgqRyUYEM4rGIOiDgPIi7b/NN6FpoAYGWQwH+sQ+FkY83EJlc7q+aO3ocSqFEZDu X-Gm-Message-State: AOJu0YzRsjfn8wdshBltDXcNAfDMfzfkFK4r1KduVERIK9i9keXBbSpd ROBNjlsUwC5kcs+lo4dmBIkdWYDyLWT+5sF571KmKFClkiTMfUr0NzZf4Q== X-Google-Smtp-Source: AGHT+IEVUyMtZdJrpNx5r5URae5gSqGLqjWpA5GtSjKjJmfpbYmeA8V/5FvfMfs6pMkWBsE5u5GzWw== X-Received: by 2002:a17:90a:2f43:b0:2c7:bade:25be with SMTP id 98e67ed59e1d1-2c7bade2676mr3614370a91.14.1718853529711; Wed, 19 Jun 2024 20:18:49 -0700 (PDT) Received: from [192.168.255.10] ([43.132.141.24]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c738c1d57asm3232673a91.1.2024.06.19.20.18.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Jun 2024 20:18:49 -0700 (PDT) Message-ID: <5f6bd005-81b4-4e26-ae43-803448a0dbbf@gmail.com> Date: Thu, 20 Jun 2024 11:18:45 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] zh_CN/admin-guide: Add zh_CN/admin-guide/numastat.rst translation document To: Tao Zou , Alex Shi , Yanteng Si , Jonathan Corbet Cc: Tao Zou , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: Content-Language: en-US From: Alex Shi In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 6/20/24 11:14 AM, Tao Zou wrote: > From: Tao Zou > > Add translation zh_CN/admin-guide/numastat.rst and link it to > zh_CN/admin-guide/index.rst while clean its todo entry. > > commit 77691ee92d4a ("Documentation: update numastat explanation") > > Signed-off-by: Tao Zou > Reviewed-by: Yanteng Si > --- > .../translations/zh_CN/admin-guide/index.rst | 2 +- > .../zh_CN/admin-guide/numastat.rst | 48 +++++++++++++++++++ > 2 files changed, 49 insertions(+), 1 deletion(-) > create mode 100644 Documentation/translations/zh_CN/admin-guide/numastat.rst > > diff --git a/Documentation/translations/zh_CN/admin-guide/index.rst b/Documentation/translations/zh_CN/admin-guide/index.rst > index ac2960da33e6..0db80ab830a0 100644 > --- a/Documentation/translations/zh_CN/admin-guide/index.rst > +++ b/Documentation/translations/zh_CN/admin-guide/index.rst > @@ -68,6 +68,7 @@ Todolist: > cpu-load > cputopology > lockup-watchdogs > + numastat > unicode > sysrq > mm/index > @@ -109,7 +110,6 @@ Todolist: > * module-signing > * mono > * namespaces/index > -* numastat > * parport > * perf-security > * pm/index > diff --git a/Documentation/translations/zh_CN/admin-guide/numastat.rst b/Documentation/translations/zh_CN/admin-guide/numastat.rst > new file mode 100644 > index 000000000000..817043676c90 > --- /dev/null > +++ b/Documentation/translations/zh_CN/admin-guide/numastat.rst > @@ -0,0 +1,48 @@ > +.. SPDX-License-Identifier: GPL-2.0 > +.. include:: ../disclaimer-zh_CN.rst > + > +:Original: Documentation/admin-guide/numastat.rst > +:Translator: Tao Zou > + > + > +======================= > +Numa策略命中/未命中统计 > +======================= > + > +/sys/devices/system/node/node*/numastat > + > +所有数据的单位都是页面。巨页有独立的计数器。 > + > +numa_hit、numa_miss和numa_foreign计数器反应了进程是否能够在他们偏好的节点上分配内存。 > +如果进程成功在偏好的节点上分配内存则在偏好的节点上增加numa_hit计数，否则在偏好的节点上增 > +加numa_foreign计数同时在实际内存分配的节点上增加numa_miss计数。 > + > +通常，偏好的节点是进程运行所在的CPU的本地节点，但是一些限制可以改变这一行为，比如内存策略， > +因此同样有两个基于CPU本地节点的计数器。local_node和numa_hit类似，当在CPU所在的节点上分 > +配内存时增加local_node计数，other_node和numa_miss类似，当在CPU所在节点之外的其他节点 > +上成功分配内存时增加other_node计数。需要注意，没有和numa_foreign对应的计数器。 > + > +更多细节内容: > + > +=============== ============================================================ > +numa_hit 一个进程想要从本节点分配内存并且成功。 > + > +numa_miss 一个进程想要从其他节点分配内存但是最终在本节点完成内存分配。 > + > +numa_foreign 一个进程想要在本节点分配内存但是最终在其他节点完成内存分配。 > + > +local_node 一个进程运行在本节点的CPU上并且从本节点上获得了内存。 > + > +other_node 一个进程运行在其他节点的CPU上但是在本节点上获得了内存。 > + > +interleave_hit 内存交叉分配策略下想要从本节点分配内存并且成功。 > +=============== ============================================================ > + > +你可以使用numactl软件包（http://oss.sgi.com/projects/libnuma/）中的numastat工具 > +来辅助阅读。需要注意，numastat工具目前只在有少量CPU的机器上运行良好。 > + > +需要注意，在有无内存节点（一个节点有CPUs但是没有内存）的系统中numa_hit，numa_miss和 s/在有无内存节点/存在无内存节点/ ？ Thanks Alex > +numa_foreign统计数据会被严重曲解。在当前的内核实现中，如果一个进程偏好一个无内存节点（即 > +进程正在该节点的一个本地CPU上运行），实际上会从距离最近的有内存节点中挑选一个作为偏好节点。 > +结果会导致相应的内存分配不会增加无内存节点上的numa_foreign计数器，并且会扭曲最近节点上的 > +numa_hit、numa_miss和numa_foreign统计数据。