From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB5D9C43381 for ; Mon, 11 Mar 2019 20:55:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 863DB2147C for ; Mon, 11 Mar 2019 20:55:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 863DB2147C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1FF1C8E0003; Mon, 11 Mar 2019 16:55:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1ADDE8E0002; Mon, 11 Mar 2019 16:55:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0C4DB8E0003; Mon, 11 Mar 2019 16:55:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) by kanga.kvack.org (Postfix) with ESMTP id C0F9B8E0002 for ; Mon, 11 Mar 2019 16:55:41 -0400 (EDT) Received: by mail-pg1-f199.google.com with SMTP id z5so157160pgv.11 for ; Mon, 11 Mar 2019 13:55:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id; bh=CZ5LpoQlDUJ2t6PN49q7I9YAJQjIEhTDk43oykgNnb8=; b=sxgyfDpYvx3rUs+2Oli/NLObg1ixWTOQ9+yrtj9GUvsGvVB5gcQ+zJ8AGzxNSbfX+/ EMVYA1kkF1bvH6lX33SZnLzfLbG/hZ3523yp5ADNePcSeqcv+/gOLnSnmvMHEDCkOcdK lPC1Oe3sv3UtCy0pgIqv9bHuMZSKtwVMnU1b0RgvGr0UPtvi5uOp1IvEFmumxTChn2xe QeFh6uk69hOkiJElAoxoPGOtI4To0TkGLIaRAliZqnmSX/02xmVAyW38RX5bcPryXDZN YnQc7H0Kj6DVKTrHb2S6g1PfgVYtDusB0PmEParMmODZMr5ORCWd3SnL8HzUQngBAIu5 wmrg== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 134.134.136.20 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Gm-Message-State: APjAAAVRHItdNQDst7sRv3ktsNtwi45Ruoz1cWg3oGASPmh681IFDn9g Symh25m/FLqTIQRYnpAiq789vJWch8jBMCcKjr7rq/OXu/0lRfB779z6/KtMqi5Xcsotw2iRRM9 oDv6NVTvTHMsVkhxrSn+IPRV8XNJtQXIZYBKWnWTLzgflVFhv/mOp/mbIqi64Zd8ZYA== X-Received: by 2002:a17:902:9893:: with SMTP id s19mr36215621plp.165.1552337741295; Mon, 11 Mar 2019 13:55:41 -0700 (PDT) X-Google-Smtp-Source: APXvYqwKpSJfGeO6nj48TMCFIWwMidbrRNT9hDgHKnwlE5zAvYMUSgx8LAUmXj8AvIhXnrbKXsjd X-Received: by 2002:a17:902:9893:: with SMTP id s19mr36215562plp.165.1552337740130; Mon, 11 Mar 2019 13:55:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1552337740; cv=none; d=google.com; s=arc-20160816; b=QJJOhxN/S3Jhi2YcwoIGpyVxMHpSReIsW3oQV02ZyFFesxqzpB2gDxatchln5ouEjB Bp/dySqaAn0M0oPAY0vLWCxo8CI7z2G9VVUxW8kTnkoqVI5XP5tlkTOTWJ5Fpy+XuaYZ GVi91H5prg+XNVUzoWzXn92Z4WgmyLl36Zvz6ZKDMsFdqpwrwGKIXJnP9557QG5PiNi/ f9PglSzLKRUA3Jbweo2JgbtT6QQVhNuHPVlmjDXN/nnyYFSi9wrjGkTkOVkS7wGkBrrM CKs6LAnU/wAh2vpDE5KNGFCm0J8oINGqN02sbhvXRw5WFMzIJMmwCq2JYyg5uMqdBWg2 YMJg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:date:subject:cc:to:from; bh=CZ5LpoQlDUJ2t6PN49q7I9YAJQjIEhTDk43oykgNnb8=; b=xyZ/zzzX12RWqZc1mj3+oqLEHEOEqrFJ6P16ln2a5p68IO6Y7AZ1rHw1BVfUCA6yDM A8xKauFZurA2jDNU/HlJkzcxV/7NsQt9HdqDX+zN39PG9j0QkfQPxhDMtltskeezhj5C MXcxWWy9kwh09LGkt+NPxScMlcb3W/FDfWTW/PzyDwOlivb5sYaFyQAbZlxwfM/ovTeg y/AVvyQrx/zdhn7uvAsqomb5qvY3wAInq0goX800iB8nueWmHyaGtQubY7uzh0cYVn2C 8vGe+SnWbU3ezIMSFEaCuxz6GzDnw3nGdlG5kaT2uYmSSg6kA1e+eKO7IRGVjJUNYMCK Yipw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 134.134.136.20 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga02.intel.com (mga02.intel.com. [134.134.136.20]) by mx.google.com with ESMTPS id n189si5626588pga.46.2019.03.11.13.55.39 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Mar 2019 13:55:40 -0700 (PDT) Received-SPF: pass (google.com: domain of keith.busch@intel.com designates 134.134.136.20 as permitted sender) client-ip=134.134.136.20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 134.134.136.20 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Mar 2019 13:55:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,468,1544515200"; d="scan'208";a="139910152" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by FMSMGA003.fm.intel.com with ESMTP; 11 Mar 2019 13:55:39 -0700 From: Keith Busch To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org Cc: Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams , Jonathan Cameron , Brice Goglin , Keith Busch Subject: [PATCHv8 00/10] Heterogenous memory node attributes Date: Mon, 11 Mar 2019 14:55:56 -0600 Message-Id: <20190311205606.11228-1-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: == Changes since v7 == Fixed an early return that prevented reporting HMAT when there are no direct attached initiators. Fixed introducing a variable that was unused until several patches later. Miscellaneous typos, editorial clarifications, and whitespace fixups. Merged to most current linux-next. Added received review, test, and ack by's. I've published a git tree available on this branch: https://git.kernel.org/pub/scm/linux/kernel/git/kbusch/linux.git/log/?h=hmat-v8 == Background == Platforms may provide multiple types of cpu attached system memory. The memory ranges for each type may have different characteristics that applications may wish to know about when considering what node they want their memory allocated from. It had previously been difficult to describe these setups as memory rangers were generally lumped into the NUMA node of the CPUs. New platform attributes have been created and in use today that describe the more complex memory hierarchies that can be created. This series' objective is to provide the attributes from such systems that are useful for applications to know about, and readily usable with existing tools and libraries. Those applications may query performance attributes relative to a particular CPU they're running on in order to make more informed choices for where they want to allocate hot and cold data. This works with mbind() or the numactl library. Keith Busch (10): acpi: Create subtable parsing infrastructure acpi: Add HMAT to generic parsing tables acpi/hmat: Parse and report heterogeneous memory node: Link memory nodes to their compute nodes node: Add heterogenous memory access attributes node: Add memory-side caching attributes acpi/hmat: Register processor domain to its memory acpi/hmat: Register performance attributes acpi/hmat: Register memory side cache attributes doc/mm: New documentation for memory performance Documentation/ABI/stable/sysfs-devices-node | 87 +++- Documentation/admin-guide/mm/numaperf.rst | 169 +++++++ arch/arm64/kernel/acpi_numa.c | 2 +- arch/arm64/kernel/smp.c | 4 +- arch/ia64/kernel/acpi.c | 16 +- arch/x86/kernel/acpi/boot.c | 36 +- drivers/acpi/Kconfig | 1 + drivers/acpi/Makefile | 1 + drivers/acpi/hmat/Kconfig | 11 + drivers/acpi/hmat/Makefile | 1 + drivers/acpi/hmat/hmat.c | 666 ++++++++++++++++++++++++++ drivers/acpi/numa.c | 16 +- drivers/acpi/scan.c | 4 +- drivers/acpi/tables.c | 76 ++- drivers/base/Kconfig | 8 + drivers/base/node.c | 352 +++++++++++++- drivers/irqchip/irq-gic-v2m.c | 2 +- drivers/irqchip/irq-gic-v3-its-pci-msi.c | 2 +- drivers/irqchip/irq-gic-v3-its-platform-msi.c | 2 +- drivers/irqchip/irq-gic-v3-its.c | 6 +- drivers/irqchip/irq-gic-v3.c | 10 +- drivers/irqchip/irq-gic.c | 4 +- drivers/mailbox/pcc.c | 2 +- include/linux/acpi.h | 6 +- include/linux/node.h | 71 +++ 25 files changed, 1489 insertions(+), 66 deletions(-) create mode 100644 Documentation/admin-guide/mm/numaperf.rst create mode 100644 drivers/acpi/hmat/Kconfig create mode 100644 drivers/acpi/hmat/Makefile create mode 100644 drivers/acpi/hmat/hmat.c -- 2.14.4