From patchwork Thu Mar 2 16:33:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 1750880 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=EKDSZNO2; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PSGxl2gxHz1yWw for ; Fri, 3 Mar 2023 03:38:19 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pXluv-0002HM-T9; Thu, 02 Mar 2023 11:36:30 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXlu9-0000mZ-7m for qemu-devel@nongnu.org; Thu, 02 Mar 2023 11:35:49 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXlu7-0008C1-0l for qemu-devel@nongnu.org; Thu, 02 Mar 2023 11:35:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677774938; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nVxgTElpHLNBsMsEBnufbWFYXUWBieuHuodWUOpHLF8=; b=EKDSZNO2W9U8VsgVwkuOaD9QXiPh3FOyHmzxEBJKclbaugpkRuRnT6GVvmP7MJSbbUQ5jF ny2KIuh073gGKrmxdDqGeTSt0cShfQnAagIVZVmks8TCMaldvVjFW5oyQlaQ9MGAzxgu3S 5BJg+yuQXdYz63tmvQ31P0vK6zLnew4= 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-608-MhS5kYPaPSqkaSUPPv_i2w-1; Thu, 02 Mar 2023 11:35:35 -0500 X-MC-Unique: MhS5kYPaPSqkaSUPPv_i2w-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id CB25B85A588; Thu, 2 Mar 2023 16:35:34 +0000 (UTC) Received: from secure.mitica (unknown [10.39.194.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id DB38A492C3E; Thu, 2 Mar 2023 16:35:32 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: David Hildenbrand , Vladimir Sementsov-Ogievskiy , John Snow , Stefan Hajnoczi , Juan Quintela , qemu-block@nongnu.org, Hailiang Zhang , Fam Zheng , "Michael S. Tsirkin" , "Dr. David Alan Gilbert" , Eric Blake Subject: [PATCH 30/43] migration: Create migrate_max_bandwidth() function Date: Thu, 2 Mar 2023 17:33:57 +0100 Message-Id: <20230302163410.11399-31-quintela@redhat.com> In-Reply-To: <20230302163410.11399-1-quintela@redhat.com> References: <20230302163410.11399-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H2=-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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Juan Quintela --- migration/options.h | 1 + migration/migration.c | 2 +- migration/options.c | 9 +++++++++ 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/migration/options.h b/migration/options.h index 4214bebcb7..17ac53429e 100644 --- a/migration/options.h +++ b/migration/options.h @@ -67,6 +67,7 @@ uint8_t migrate_cpu_throttle_initial(void); bool migrate_cpu_throttle_tailslow(void); int migrate_decompress_threads(void); uint8_t migrate_max_cpu_throttle(void); +uint64_t migrate_max_bandwidth(void); int64_t migrate_max_postcopy_bandwidth(void); int migrate_multifd_channels(void); MultiFDCompression migrate_multifd_compression(void); diff --git a/migration/migration.c b/migration/migration.c index e091663af9..40453ba454 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3758,7 +3758,7 @@ void migrate_fd_connect(MigrationState *s, Error *error_in) XFER_LIMIT_RATIO; } else { /* This is a fresh new migration */ - rate_limit = s->parameters.max_bandwidth / XFER_LIMIT_RATIO; + rate_limit = migrate_max_bandwidth() / XFER_LIMIT_RATIO; /* Notify before starting migration thread */ notifier_list_notify(&migration_state_notifiers, s); diff --git a/migration/options.c b/migration/options.c index d9383afa35..4f6298bdc5 100644 --- a/migration/options.c +++ b/migration/options.c @@ -575,6 +575,15 @@ uint8_t migrate_max_cpu_throttle(void) return s->parameters.max_cpu_throttle; } +uint64_t migrate_max_bandwidth(void) +{ + MigrationState *s; + + s = migrate_get_current(); + + return s->parameters.max_bandwidth; +} + int64_t migrate_max_postcopy_bandwidth(void) { MigrationState *s;