From nobody Sat Jul 5 00:51:58 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1652931894584135.51222816142047; Wed, 18 May 2022 20:44:54 -0700 (PDT) Received: from localhost ([::1]:49312 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nrX5p-0007G2-Ip for importer2@patchew.org; Wed, 18 May 2022 23:44:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43100) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrWyS-0007C4-DU for qemu-devel@nongnu.org; Wed, 18 May 2022 23:37:16 -0400 Received: from prt-mail.chinatelecom.cn ([42.123.76.222]:54085 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nrWyQ-0008OP-Nk for qemu-devel@nongnu.org; Wed, 18 May 2022 23:37:16 -0400 Received: from clientip-36.111.64.84 (unknown [172.18.0.188]) by chinatelecom.cn (HERMES) with SMTP id 1EA9F2800B7; Thu, 19 May 2022 11:37:10 +0800 (CST) Received: from ([172.18.0.188]) by app0023 with ESMTP id e34d5cdfdf8142fb989cc4d2875f8353 for qemu-devel@nongnu.org; Thu, 19 May 2022 11:37:13 CST HMM_SOURCE_IP: 172.18.0.188:58888.87199194 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP X-189-SAVE-TO-SEND: +huangy81@chinatelecom.cn X-Transaction-ID: e34d5cdfdf8142fb989cc4d2875f8353 X-Real-From: huangy81@chinatelecom.cn X-Receive-IP: 172.18.0.188 X-MEDUSA-Status: 0 From: huangy81@chinatelecom.cn To: qemu-devel Cc: "Dr. David Alan Gilbert" , Juan Quintela , Eric Blake , Markus Armbruster , Thomas Huth , Laurent Vivier , Paolo Bonzini , Hyman Huang Subject: [PATCH v24 5/8] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function Date: Thu, 19 May 2022 11:36:45 +0800 Message-Id: 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: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=42.123.76.222; 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1652931895710100001 From: Hyman Huang(=E9=BB=84=E5=8B=87) Introduce kvm_dirty_ring_size util function to help calculate dirty ring ful time. Signed-off-by: Hyman Huang(=E9=BB=84=E5=8B=87) Acked-by: Peter Xu --- accel/kvm/kvm-all.c | 5 +++++ accel/stubs/kvm-stub.c | 6 ++++++ include/sysemu/kvm.h | 2 ++ 3 files changed, 13 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index b13cd27..0c6846b 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2313,6 +2313,11 @@ bool kvm_dirty_ring_enabled(void) return kvm_state->kvm_dirty_ring_size ? true : false; } =20 +uint32_t kvm_dirty_ring_size(void) +{ + return kvm_state->kvm_dirty_ring_size; +} + static int kvm_init(MachineState *ms) { MachineClass *mc =3D MACHINE_GET_CLASS(ms); diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c index 3345882..c5aafaa 100644 --- a/accel/stubs/kvm-stub.c +++ b/accel/stubs/kvm-stub.c @@ -148,3 +148,9 @@ bool kvm_dirty_ring_enabled(void) { return false; } + +uint32_t kvm_dirty_ring_size(void) +{ + return 0; +} +#endif diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index a783c78..efd6dee 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -582,4 +582,6 @@ bool kvm_cpu_check_are_resettable(void); bool kvm_arch_cpu_check_are_resettable(void); =20 bool kvm_dirty_ring_enabled(void); + +uint32_t kvm_dirty_ring_size(void); #endif --=20 1.8.3.1