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[23.128.96.18]) by mx.google.com with ESMTP id v13si5143364edl.552.2020.10.29.21.07.38; Thu, 29 Oct 2020 21:08:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726058AbgJ3EFy (ORCPT + 99 others); Fri, 30 Oct 2020 00:05:54 -0400 Received: from mail-m1272.qiye.163.com ([115.236.127.2]:5038 "EHLO mail-m1272.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725790AbgJ3EFy (ORCPT ); Fri, 30 Oct 2020 00:05:54 -0400 Received: from ubuntu.localdomain (unknown [58.250.176.229]) by mail-m1272.qiye.163.com (Hmail) with ESMTPA id 9C6AFB024CF; Fri, 30 Oct 2020 12:05:48 +0800 (CST) From: Bailu Lin To: alex.shi@linux.alibaba.com Cc: catalin.marinas@arm.com, corbet@lwn.net, harryxiyou@gmail.com, kernel@vivo.com, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, will@kernel.org, Bailu Lin Subject: [PATCH v2] Documentation: Chinese translation of Documentation/arm64/perf.rst Date: Thu, 29 Oct 2020 21:05:41 -0700 Message-Id: <20201030040541.8733-1-bailu.lin@vivo.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <07c84db5-9a07-c106-300c-583f2625f9a7@linux.alibaba.com> References: <07c84db5-9a07-c106-300c-583f2625f9a7@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZS1VLWVdZKFlBSE83V1ktWUFJV1kPCR oVCBIfWUFZTUNISB4YSxoaSU5MVkpNS09LSEtMT0JLQ0xVEwETFhoSFyQUDg9ZV1kWGg8SFR0UWU FZT0tIVUpKS0hKTFVLWQY+ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6Kzo6Gjo4ST8ZSiwVKzVONCMZ LzgKFBNVSlVKTUtPS0hLTE9CTk1CVTMWGhIXVRkaEhcOVRcSFTsNEg0UVRgUFkVZV1kSC1lBWU5D VUlOS1VKTE1VSUlCWVdZCAFZQU5MQ0o3Bg++ X-HM-Tid: 0a7577aed94f98b7kuuu9c6afb024cf Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a Chinese translated version of Documentation/arm64/perf.rst Signed-off-by: Bailu Lin --- Changes in v2: - Modify a translation of 'guest/host/blackout window' as Alex sugguested. --- Documentation/arm64/perf.rst | 2 + .../translations/zh_CN/arm64/index.rst | 1 + .../translations/zh_CN/arm64/perf.rst | 86 +++++++++++++++++++ 3 files changed, 89 insertions(+) create mode 100644 Documentation/translations/zh_CN/arm64/perf.rst diff --git a/Documentation/arm64/perf.rst b/Documentation/arm64/perf.rst index 9c76a97baf28..b567f177d385 100644 --- a/Documentation/arm64/perf.rst +++ b/Documentation/arm64/perf.rst @@ -1,5 +1,7 @@ .. SPDX-License-Identifier: GPL-2.0 +.. _perf_index: + ===================== Perf Event Attributes ===================== diff --git a/Documentation/translations/zh_CN/arm64/index.rst b/Documentation/translations/zh_CN/arm64/index.rst index e31a6090384d..f51fed166326 100644 --- a/Documentation/translations/zh_CN/arm64/index.rst +++ b/Documentation/translations/zh_CN/arm64/index.rst @@ -15,3 +15,4 @@ ARM64 架构 amu hugetlbpage + perf diff --git a/Documentation/translations/zh_CN/arm64/perf.rst b/Documentation/translations/zh_CN/arm64/perf.rst new file mode 100644 index 000000000000..9bf21d73f4d1 --- /dev/null +++ b/Documentation/translations/zh_CN/arm64/perf.rst @@ -0,0 +1,86 @@ +.. SPDX-License-Identifier: GPL-2.0 + +.. include:: ../disclaimer-zh_CN.rst + +:Original: :ref:`Documentation/arm64/perf.rst ` + +Translator: Bailu Lin + +============= +Perf 事件属性 +============= + +:作者: Andrew Murray +:日期: 2019-03-06 + +exclude_user +------------ + +该属性排除用户空间。 + +用户空间始终运行在 EL0,因此该属性将排除 EL0。 + + +exclude_kernel +-------------- + +该属性排除内核空间。 + +打开 VHE 时内核运行在 EL2,不打开 VHE 时内核运行在 EL1。客户机 +内核总是运行在 EL1。 + +对于宿主机,该属性排除 EL1 和 VHE 上的 EL2。 + +对于客户机,该属性排除 EL1。请注意客户机从来不会运行在 EL2。 + + +exclude_hv +---------- + +该属性排除虚拟机监控器。 + +对于 VHE 宿主机该属性将被忽略,此时我们认为宿主机内核是虚拟机监 +控器。 + +对于 non-VHE 宿主机该属性将排除 EL2,因为虚拟机监控器运行在 EL2 +的任何代码主要用于客户机和宿主机的切换。 + +对于客户机该属性无效。请注意客户机从来不会运行在 EL2。 + + +exclude_host / exclude_guest +---------------------------- + +这些属性分别排除了 KVM 宿主机和客户机。 + +KVM 宿主机可能运行在 EL0(用户空间),EL1(non-VHE 内核)和 +EL2(VHE 内核 或 non-VHE 虚拟机监控器)。 + +KVM 客户机可能运行在 EL0(用户空间)和 EL1(内核)。 + +由于宿主机和客户机之间重叠的异常级别,我们不能仅仅依靠 PMU 的硬件异 +常过滤机制-因此我们必须启用/禁用对于客户机进入和退出的计数。而这在 +VHE 和 non-VHE 系统上表现不同。 + +对于 non-VHE 系统的 exclude_host 属性排除 EL2 - 在进入和退出客户 +机时,我们会根据 exclude_host 和 exclude_guest 属性在适当的情况下 +禁用/启用该事件。 + +对于 VHE 系统的 exclude_guest 属性排除 EL1,而对其中的 exclude_host +属性同时排除 EL0,EL2。在进入和退出客户机时,我们会适当地根据 +exclude_host 和 exclude_guest 属性包括/排除 EL0。 + +以上声明也适用于在 not-VHE 客户机使用这些属性时,但是请注意客户机从 +来不会运行在 EL2。 + + +准确性 +------ + +在 non-VHE 宿主机上,我们在 EL2 进入/退出宿主机/客户机的切换时启用/ +关闭计数器 -但是在启用/禁用计数器和进入/退出客户机之间存在一段延时。 +对于 exclude_host, 我们可以通过过滤 EL2 消除在客户机进入/退出边界 +上用于计数客户机事件的宿主机事件计数器。但是当使用 !exclude_hv 时, +在客户机进入/退出有一个小的停电窗口无法捕获到宿主机的事件。 + +在 VHE 系统没有停电窗口。 -- 2.20.1