From patchwork Wed Jul 20 11:19:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Dr. David Alan Gilbert" X-Patchwork-Id: 12923816 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 CBDF6C433EF for ; Wed, 20 Jul 2022 11:25:28 +0000 (UTC) Received: from localhost ([::1]:38446 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oE7pX-0004Vt-Uu for qemu-devel@archiver.kernel.org; Wed, 20 Jul 2022 07:25:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58532) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oE7k0-00049G-4P for qemu-devel@nongnu.org; Wed, 20 Jul 2022 07:19:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:30484) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oE7jy-00006m-IF for qemu-devel@nongnu.org; Wed, 20 Jul 2022 07:19:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658315982; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=N2x6ZJpm69upc4eBQtwWK6cnKbmsuHK1zJTnuDaVanA=; b=UvilLNKo2UBNPlgs3OSh7ok6zF67baR8VHoXv0ZX0LG8KjGCckeoZXmqsOh6H02HzPW11n 1I4LoRBJySg4njj+YR/PlzyjPUuoasPA2cwQ/VTzIPXMSwhR49ah0zpiHTdvBzfiQx64n8 eVddOFBHZCm+PjStRe+sulMOkW6AFgs= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-351-9DUi7M5tN-mo9pkgRdM3Yw-1; Wed, 20 Jul 2022 07:19:39 -0400 X-MC-Unique: 9DUi7M5tN-mo9pkgRdM3Yw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9711B801755; Wed, 20 Jul 2022 11:19:38 +0000 (UTC) Received: from dgilbert-t580.localhost (unknown [10.33.36.158]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9F6F22166B26; Wed, 20 Jul 2022 11:19:37 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, leobras@redhat.com, quintela@redhat.com, berrange@redhat.com, peterx@redhat.com, iii@linux.ibm.com, huangy81@chinatelecom.cn Subject: [PULL 05/30] accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function Date: Wed, 20 Jul 2022 12:19:01 +0100 Message-Id: <20220720111926.107055-6-dgilbert@redhat.com> In-Reply-To: <20220720111926.107055-1-dgilbert@redhat.com> References: <20220720111926.107055-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 Received-SPF: pass client-ip=170.10.129.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=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+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 Message-Id: Signed-off-by: Dr. David Alan Gilbert --- accel/kvm/kvm-all.c | 5 +++++ accel/stubs/kvm-stub.c | 5 +++++ include/sysemu/kvm.h | 2 ++ 3 files changed, 12 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index ce989a68ff..184aecab5c 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2318,6 +2318,11 @@ static void query_stats_cb(StatsResultList **result, StatsTarget target, strList *names, strList *targets, Error **errp); static void query_stats_schemas_cb(StatsSchemaList **result, Error **errp); +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 3345882d85..2ac5f9c036 100644 --- a/accel/stubs/kvm-stub.c +++ b/accel/stubs/kvm-stub.c @@ -148,3 +148,8 @@ bool kvm_dirty_ring_enabled(void) { return false; } + +uint32_t kvm_dirty_ring_size(void) +{ + return 0; +} diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index a783c78868..efd6dee818 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