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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 AC5F8C48BC2 for ; Sun, 27 Jun 2021 05:43:53 +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 60EE461C31 for ; Sun, 27 Jun 2021 05:43:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 60EE461C31 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chinatelecom.cn Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57880 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lxNaC-0003aY-IB for qemu-devel@archiver.kernel.org; Sun, 27 Jun 2021 01:43:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53278) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lxNVF-0007dm-54 for qemu-devel@nongnu.org; Sun, 27 Jun 2021 01:38:45 -0400 Received: from prt-mail.chinatelecom.cn ([42.123.76.227]:44587 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lxNV6-0001LL-BZ for qemu-devel@nongnu.org; Sun, 27 Jun 2021 01:38:44 -0400 HMM_SOURCE_IP: 172.18.0.218:60506.95674552 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-171.223.99.176?logid-0210caab79734a8b87be68778a878dff (unknown [172.18.0.218]) by chinatelecom.cn (HERMES) with SMTP id 31EF6280099; Sun, 27 Jun 2021 13:38:34 +0800 (CST) X-189-SAVE-TO-SEND: +huangy81@chinatelecom.cn Received: from ([172.18.0.218]) by app0025 with ESMTP id 1a488dc223314a2ca9e423d97856d07a for qemu-devel@nongnu.org; Sun Jun 27 13:38:34 2021 X-Transaction-ID: 1a488dc223314a2ca9e423d97856d07a X-filter-score: X-Real-From: huangy81@chinatelecom.cn X-Receive-IP: 172.18.0.218 X-MEDUSA-Status: 0 From: huangy81@chinatelecom.cn To: qemu-devel@nongnu.org Subject: [PATCH 2/4] KVM: introduce kvm_get_manual_dirty_log_protect Date: Sun, 27 Jun 2021 13:38:15 +0800 Message-Id: <93edbfecdaf4a67a8316c33a1183e2e5f97a0b22.1624771216.git.huangy81@chinatelecom.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=42.123.76.227; envelope-from=huangy81@chinatelecom.cn; helo=chinatelecom.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-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: Eduardo Habkost , Juan Quintela , Hyman , "Dr. David Alan Gilbert" , Peter Xu , Chuan Zheng , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Hyman Huang(黄勇) introduce kvm_get_manual_dirty_log_protect for measureing dirtyrate via dirty bitmap. calculation of dirtyrate need to sync dirty log and depends on the features of dirty log. Signed-off-by: Hyman Huang(黄勇) --- accel/kvm/kvm-all.c | 6 ++++++ include/sysemu/kvm.h | 1 + 2 files changed, 7 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index e0e88a2..f7d9ae0 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -245,6 +245,12 @@ int kvm_get_max_memslots(void) return s->nr_slots; } +uint64_t kvm_get_manual_dirty_log_protect(void) +{ + KVMState *s = KVM_STATE(current_accel()); + return s->manual_dirty_log_protect; +} + /* Called with KVMMemoryListener.slots_lock held */ static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml) { diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 7b22aeb..b668d49 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -533,6 +533,7 @@ int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); struct ppc_radix_page_info *kvm_get_radix_page_info(void); int kvm_get_max_memslots(void); +uint64_t kvm_get_manual_dirty_log_protect(void); /* Notify resamplefd for EOI of specific interrupts. */ void kvm_resample_fd_notify(int gsi); -- 1.8.3.1