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Fri, 25 Sep 2020 12:07:13 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-114-177.ams2.redhat.com [10.36.114.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id C314A73693; Fri, 25 Sep 2020 12:07:10 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, zhengchuan@huawei.com, dovmurik@linux.vnet.ibm.com, hgcoin@gmail.com, zhangjiachen.jaycee@bytedance.com, lvivier@redhat.com, peterx@redhat.com, stefanha@redhat.com, vgoyal@redhat.com, jinyan12@huawei.com, ann.zhuangyanying@huawei.com Subject: [PULL 03/26] migration/dirtyrate: setup up query-dirtyrate framwork Date: Fri, 25 Sep 2020 13:06:32 +0100 Message-Id: <20200925120655.295142-4-dgilbert@redhat.com> In-Reply-To: <20200925120655.295142-1-dgilbert@redhat.com> References: <20200925120655.295142-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/25 02:48:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.199, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: quintela@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Chuan Zheng Add get_dirtyrate_thread() functions to setup query-dirtyrate framework. Signed-off-by: Chuan Zheng Signed-off-by: YanYing Zhuang Reviewed-by: Dr. David Alan Gilbert Reviewed-by: David Edmondson Reviewed-by: Li Qiang Message-Id: <1600237327-33618-2-git-send-email-zhengchuan@huawei.com> Signed-off-by: Dr. David Alan Gilbert --- migration/dirtyrate.c | 38 ++++++++++++++++++++++++++++++++++++++ migration/dirtyrate.h | 28 ++++++++++++++++++++++++++++ migration/meson.build | 2 +- 3 files changed, 67 insertions(+), 1 deletion(-) create mode 100644 migration/dirtyrate.c create mode 100644 migration/dirtyrate.h diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c new file mode 100644 index 0000000000..bf7fd24e75 --- /dev/null +++ b/migration/dirtyrate.c @@ -0,0 +1,38 @@ +/* + * Dirtyrate implement code + * + * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO.,LTD. + * + * Authors: + * Chuan Zheng + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "cpu.h" +#include "qemu/config-file.h" +#include "exec/memory.h" +#include "exec/ramblock.h" +#include "exec/target_page.h" +#include "qemu/rcu_queue.h" +#include "qapi/qapi-commands-migration.h" +#include "migration.h" +#include "dirtyrate.h" + +static void calculate_dirtyrate(struct DirtyRateConfig config) +{ + /* todo */ + return; +} + +void *get_dirtyrate_thread(void *arg) +{ + struct DirtyRateConfig config = *(struct DirtyRateConfig *)arg; + + calculate_dirtyrate(config); + + return NULL; +} diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h new file mode 100644 index 0000000000..84ab9409ac --- /dev/null +++ b/migration/dirtyrate.h @@ -0,0 +1,28 @@ +/* + * Dirtyrate common functions + * + * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD. + * + * Authors: + * Chuan Zheng + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_MIGRATION_DIRTYRATE_H +#define QEMU_MIGRATION_DIRTYRATE_H + +/* + * Sample 512 pages per GB as default. + * TODO: Make it configurable. + */ +#define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 + +struct DirtyRateConfig { + uint64_t sample_pages_per_gigabytes; /* sample pages per GB */ + int64_t sample_period_seconds; /* time duration between two sampling */ +}; + +void *get_dirtyrate_thread(void *arg); +#endif diff --git a/migration/meson.build b/migration/meson.build index ac8ff1419f..b5b71c8060 100644 --- a/migration/meson.build +++ b/migration/meson.build @@ -37,4 +37,4 @@ softmmu_ss.add(when: ['CONFIG_RDMA', rdma], if_true: files('rdma.c')) softmmu_ss.add(when: 'CONFIG_LIVE_BLOCK_MIGRATION', if_true: files('block.c')) softmmu_ss.add(when: 'CONFIG_ZSTD', if_true: [files('multifd-zstd.c'), zstd]) -specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('ram.c')) +specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('dirtyrate.c', 'ram.c'))