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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 1DAE8C5DF62 for ; Wed, 6 Nov 2019 08:40:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DB7942084D for ; Wed, 6 Nov 2019 08:40:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB7942084D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53962 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iSGrY-0003ne-5e for qemu-devel@archiver.kernel.org; Wed, 06 Nov 2019 03:40:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44218) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iSGqv-0003Om-W3 for qemu-devel@nongnu.org; Wed, 06 Nov 2019 03:39:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iSGqt-0005FV-TI for qemu-devel@nongnu.org; Wed, 06 Nov 2019 03:39:45 -0500 Received: from mga18.intel.com ([134.134.136.126]:45450) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iSGqt-0005As-KH for qemu-devel@nongnu.org; Wed, 06 Nov 2019 03:39:43 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2019 00:39:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,274,1569308400"; d="scan'208";a="205257817" Received: from txu2-mobl.ccr.corp.intel.com (HELO [10.239.196.154]) ([10.239.196.154]) by orsmga003.jf.intel.com with ESMTP; 06 Nov 2019 00:39:32 -0800 Subject: Re: [PATCH v14 00/11] Build ACPI Heterogeneous Memory Attribute Table (HMAT) To: "mst@redhat.com" , "imammedo@redhat.com" , "eblake@redhat.com" , "ehabkost@redhat.com" , "marcel.apfelbaum@gmail.com" , "armbru@redhat.com" , "mdroth@linux.vnet.ibm.com" , "thuth@redhat.com" , "lvivier@redhat.com" References: <20191028075220.25673-1-tao3.xu@intel.com> From: Tao Xu Message-ID: Date: Wed, 6 Nov 2019 16:39:31 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191028075220.25673-1-tao3.xu@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.126 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Liu, Jingqi" , "Du, Fan" , "qemu-devel@nongnu.org" , "jonathan.cameron@huawei.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Ping for comments:) On 10/28/2019 3:52 PM, Xu, Tao3 wrote: > This series of patches will build Heterogeneous Memory Attribute Table (HMAT) > according to the command line. The ACPI HMAT describes the memory attributes, > such as memory side cache attributes and bandwidth and latency details, > related to the Memory Proximity Domain. > The software is expected to use HMAT information as hint for optimization. > > In the linux kernel, the codes in drivers/acpi/hmat/hmat.c parse and report > the platform's HMAT tables. > > The V13 patches link: > https://patchwork.kernel.org/cover/11200909/ > > Changelog: > v14: > - Reuse the codes of do_strtosz to build qemu_strtotime_ns > (Eduardo) > - Squash patch v13 01/12 and 02/12 together (Daniel and Eduardo) > - Drop time unit picosecond (Eric) > - Use qemu ctz64 and clz64 instead of builtin function > v13: > - Modify some text description > - Drop "initiator_valid" field in struct NodeInfo > - Reuse Garray to store the raw bandwidth and bandwidth data > - Calculate common base unit using range bitmap > - Add a patch to alculate hmat latency and bandwidth entry list > - Drop the total_levels option and use readable cache size > - Remove the unnecessary head file > - Use decimal notation with appropriate suffix for cache size > v12: > - Fix a bug that a memory-only node without initiator setting > doesn't report error. (reported by Danmei Wei) > - Fix a bug that if HMAT is enabled and without hmat-lb setting, > QEMU will crash. (reported by Danmei Wei) > v11: > - Move numa option patches forward. > - Add num_initiator in Numa_state to record the number of > initiators. > - Simplify struct HMAT_LB_Info, use uint64_t array to store data. > - Drop hmat_get_base(). > - Calculate base in build_hmat_lb(). > v10: > - Add qemu_strtotime_ps() to convert strings with time suffixes > to numbers, and add some tests for it. > - Add qapi buildin type time, and add some tests for it. > - Add machine oprion properties "-machine hmat=on|off" for > enabling or disabling HMAT in QEMU. > > Liu Jingqi (5): > numa: Extend CLI to provide memory latency and bandwidth information > numa: Extend CLI to provide memory side cache information > hmat acpi: Build Memory Proximity Domain Attributes Structure(s) > hmat acpi: Build System Locality Latency and Bandwidth Information > Structure(s) > hmat acpi: Build Memory Side Cache Information Structure(s) > > Tao Xu (6): > util/cutils: Add qemu_strtotime_ns() > qapi: Add builtin type time > tests: Add test for QAPI builtin type time > numa: Extend CLI to provide initiator information for numa nodes > numa: Calculate hmat latency and bandwidth entry list > tests/bios-tables-test: add test cases for ACPI HMAT > > hw/acpi/Kconfig | 7 +- > hw/acpi/Makefile.objs | 1 + > hw/acpi/hmat.c | 263 ++++++++++++++++++++++++++ > hw/acpi/hmat.h | 42 +++++ > hw/core/machine.c | 64 +++++++ > hw/core/numa.c | 284 ++++++++++++++++++++++++++++- > hw/i386/acpi-build.c | 5 + > include/qapi/visitor-impl.h | 4 + > include/qapi/visitor.h | 8 + > include/qemu/cutils.h | 1 + > include/sysemu/numa.h | 104 +++++++++++ > qapi/machine.json | 178 +++++++++++++++++- > qapi/opts-visitor.c | 22 +++ > qapi/qapi-visit-core.c | 12 ++ > qapi/qobject-input-visitor.c | 18 ++ > qapi/trace-events | 1 + > qemu-options.hx | 96 +++++++++- > scripts/qapi/schema.py | 1 + > tests/bios-tables-test.c | 44 +++++ > tests/test-cutils.c | 204 +++++++++++++++++++++ > tests/test-keyval.c | 122 +++++++++++++ > tests/test-qobject-input-visitor.c | 29 +++ > util/cutils.c | 89 +++++---- > 23 files changed, 1555 insertions(+), 44 deletions(-) > create mode 100644 hw/acpi/hmat.c > create mode 100644 hw/acpi/hmat.h >