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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F3304C433F5 for ; Thu, 31 Mar 2022 17:54:11 +0000 (UTC) Received: from localhost ([::1]:35332 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZyzr-00037Z-6c for qemu-devel@archiver.kernel.org; Thu, 31 Mar 2022 13:54:11 -0400 Received: from eggs.gnu.org ([209.51.188.92]:39628) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZyvq-0004v4-42 for qemu-devel@nongnu.org; Thu, 31 Mar 2022 13:50:03 -0400 Received: from prt-mail.chinatelecom.cn ([42.123.76.222]:36377 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZyvo-0003uM-Ct for qemu-devel@nongnu.org; Thu, 31 Mar 2022 13:50:01 -0400 HMM_SOURCE_IP: 172.18.0.188:45998.1356280661 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-125.69.43.160 (unknown [172.18.0.188]) by chinatelecom.cn (HERMES) with SMTP id 24A952800A2; Fri, 1 Apr 2022 01:49:53 +0800 (CST) X-189-SAVE-TO-SEND: +huangy81@chinatelecom.cn Received: from ([172.18.0.188]) by app0023 with ESMTP id abed0bdd766e4d3c9603d255fe3d2758 for qemu-devel@nongnu.org; Fri, 01 Apr 2022 01:49:59 CST X-Transaction-ID: abed0bdd766e4d3c9603d255fe3d2758 X-Real-From: huangy81@chinatelecom.cn X-Receive-IP: 172.18.0.188 X-MEDUSA-Status: 0 From: huangy81@chinatelecom.cn To: qemu-devel Subject: [PATCH v22 5/8] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function Date: Fri, 1 Apr 2022 01:49:21 +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: 8bit 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: , Cc: Eduardo Habkost , Juan Quintela , Hyman , David Hildenbrand , Richard Henderson , Markus Armbruster , Peter Xu , "Dr. David Alan Gilbert" , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Hyman Huang(黄勇) Introduce kvm_dirty_ring_size util function to help calculate dirty ring ful time. Signed-off-by: Hyman Huang(黄勇) 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 c30870ae..95deab9 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; } +uint32_t kvm_dirty_ring_size(void) +{ + return kvm_state->kvm_dirty_ring_size; +} + static int kvm_init(MachineState *ms) { MachineClass *mc = 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); bool kvm_dirty_ring_enabled(void); + +uint32_t kvm_dirty_ring_size(void); #endif -- 1.8.3.1