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Mon, 08 May 2023 09:10:36 -0400 X-MC-Unique: m-VIvm6aMayeOCN346prGw-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 BC0F880080E; Mon, 8 May 2023 13:10:35 +0000 (UTC) Received: from secure.mitica (unknown [10.39.193.236]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0A1EC2166B40; Mon, 8 May 2023 13:10:31 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Christian Borntraeger , David Hildenbrand , Stefan Hajnoczi , qemu-block@nongnu.org, Eric Blake , Vladimir Sementsov-Ogievskiy , John Snow , Juan Quintela , Halil Pasic , Peter Xu , Richard Henderson , David Gibson , Harsh Prateek Bora , Eric Farman , Greg Kurz , qemu-ppc@nongnu.org, qemu-s390x@nongnu.org, Fam Zheng , Thomas Huth , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Leonardo Bras , Ilya Leoshkevich Subject: [PATCH 13/21] migration: Use migration_transferred_bytes() to calculate rate_limit Date: Mon, 8 May 2023 15:09:01 +0200 Message-Id: <20230508130909.65420-14-quintela@redhat.com> In-Reply-To: <20230508130909.65420-1-quintela@redhat.com> References: <20230508130909.65420-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@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-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Juan Quintela Reviewed-by: Cédric Le Goater --- migration/migration-stats.c | 7 +++++-- migration/migration-stats.h | 6 +++++- migration/migration.c | 2 +- 3 files changed, 11 insertions(+), 4 deletions(-) diff --git a/migration/migration-stats.c b/migration/migration-stats.c index 46b2b0d06e..eb1a2c1ad4 100644 --- a/migration/migration-stats.c +++ b/migration/migration-stats.c @@ -31,7 +31,9 @@ bool migration_rate_limit_exceeded(QEMUFile *f) return true; } - uint64_t rate_limit_used = stat64_get(&mig_stats.rate_limit_used); + uint64_t rate_limit_start = stat64_get(&mig_stats.rate_limit_start); + uint64_t rate_limit_current = migration_transferred_bytes(f); + uint64_t rate_limit_used = rate_limit_current - rate_limit_start; uint64_t rate_limit_max = stat64_get(&mig_stats.rate_limit_max); /* * rate_limit_max == 0 means no rate_limit enfoncement. @@ -55,9 +57,10 @@ void migration_rate_limit_set(uint64_t limit) stat64_set(&mig_stats.rate_limit_max, limit); } -void migration_rate_limit_reset(void) +void migration_rate_limit_reset(QEMUFile *f) { stat64_set(&mig_stats.rate_limit_used, 0); + stat64_set(&mig_stats.rate_limit_start, migration_transferred_bytes(f)); } void migration_rate_limit_account(uint64_t len) diff --git a/migration/migration-stats.h b/migration/migration-stats.h index c82fce9608..4029f1deab 100644 --- a/migration/migration-stats.h +++ b/migration/migration-stats.h @@ -69,6 +69,10 @@ typedef struct { * Number of bytes sent during precopy stage. */ Stat64 precopy_bytes; + /* + * Amount of transferred data at the start of current cycle. + */ + Stat64 rate_limit_start; /* * Maximum amount of data we can send in a cycle. */ @@ -126,7 +130,7 @@ uint64_t migration_rate_limit_get(void); * * This is called when we know we start a new transfer cycle. */ -void migration_rate_limit_reset(void); +void migration_rate_limit_reset(QEMUFile *f); /** * migration_rate_limit_set: Set the maximum amount that can be transferred. diff --git a/migration/migration.c b/migration/migration.c index e6d262ffe1..6922c612e4 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2684,7 +2684,7 @@ static void migration_update_counters(MigrationState *s, stat64_get(&mig_stats.dirty_bytes_last_sync) / bandwidth; } - migration_rate_limit_reset(); + migration_rate_limit_reset(s->to_dst_file); update_iteration_initial_status(s);