From patchwork Mon Jun 10 17:16:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: mrhines@linux.vnet.ibm.com X-Patchwork-Id: 250322 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 454E52C008A for ; Tue, 11 Jun 2013 03:20:06 +1000 (EST) Received: from localhost ([::1]:48850 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Um5lE-0000EE-95 for incoming@patchwork.ozlabs.org; Mon, 10 Jun 2013 13:20:04 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51353) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Um5hw-0003Gb-Vm for qemu-devel@nongnu.org; Mon, 10 Jun 2013 13:16:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Um5ho-0007Fw-4z for qemu-devel@nongnu.org; Mon, 10 Jun 2013 13:16:40 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:38183) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Um5hn-0007Fr-Ru for qemu-devel@nongnu.org; Mon, 10 Jun 2013 13:16:31 -0400 Received: from /spool/local by e9.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Mon, 10 Jun 2013 13:16:29 -0400 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id AF64F38C806C for ; Mon, 10 Jun 2013 13:16:27 -0400 (EDT) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r5AHGSbX51773510 for ; Mon, 10 Jun 2013 13:16:28 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r5AHGJUN032264 for ; Mon, 10 Jun 2013 13:16:19 -0400 Received: from mrhinesdev.klabtestbed.com (klinux.watson.ibm.com [9.2.208.21]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id r5AHGH5p032104; Mon, 10 Jun 2013 13:16:18 -0400 From: mrhines@linux.vnet.ibm.com To: qemu-devel@nongnu.org Date: Mon, 10 Jun 2013 13:16:06 -0400 Message-Id: <1370884574-30057-5-git-send-email-mrhines@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1370884574-30057-1-git-send-email-mrhines@linux.vnet.ibm.com> References: <1370884574-30057-1-git-send-email-mrhines@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13061017-7182-0000-0000-0000073E3220 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 32.97.182.139 Cc: aliguori@us.ibm.com, quintela@redhat.com, knoel@redhat.com, owasserm@redhat.com, abali@us.ibm.com, mrhines@us.ibm.com, gokul@us.ibm.com, pbonzini@redhat.com, chegu_vinod@hp.com Subject: [Qemu-devel] [PATCH RESEND v7 04/12] rdma: export throughput w/ MigrationStats QMP X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 From: "Michael R. Hines" This exposes throughput (in megabits/sec) through QMP. Reviewed-by: Paolo Bonzini Signed-off-by: Michael R. Hines --- hmp.c | 2 ++ include/migration/migration.h | 1 + migration.c | 6 ++++++ qapi-schema.json | 5 ++++- 4 files changed, 13 insertions(+), 1 deletion(-) diff --git a/hmp.c b/hmp.c index 494a9aa..148a3fb 100644 --- a/hmp.c +++ b/hmp.c @@ -169,6 +169,8 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) if (info->has_ram) { monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n", info->ram->transferred >> 10); + monitor_printf(mon, "throughput: %0.2f mbps\n", + info->ram->mbps); monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n", info->ram->remaining >> 10); monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n", diff --git a/include/migration/migration.h b/include/migration/migration.h index 0be28a2..1eeaa40 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -47,6 +47,7 @@ struct MigrationState int64_t dirty_bytes_rate; bool enabled_capabilities[MIGRATION_CAPABILITY_MAX]; int64_t xbzrle_cache_size; + double mbps; }; void process_incoming_migration(QEMUFile *f); diff --git a/migration.c b/migration.c index 058f9e6..441a3b2 100644 --- a/migration.c +++ b/migration.c @@ -66,6 +66,7 @@ MigrationState *migrate_get_current(void) .state = MIG_STATE_SETUP, .bandwidth_limit = MAX_THROTTLE, .xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE, + .mbps = -1, }; return ¤t_migration; @@ -201,6 +202,7 @@ MigrationInfo *qmp_query_migrate(Error **errp) info->ram->normal = norm_mig_pages_transferred(); info->ram->normal_bytes = norm_mig_bytes_transferred(); info->ram->dirty_pages_rate = s->dirty_pages_rate; + info->ram->mbps = s->mbps; if (blk_mig_active()) { info->has_disk = true; @@ -230,6 +232,7 @@ MigrationInfo *qmp_query_migrate(Error **errp) info->ram->skipped = skipped_mig_pages_transferred(); info->ram->normal = norm_mig_pages_transferred(); info->ram->normal_bytes = norm_mig_bytes_transferred(); + info->ram->mbps = s->mbps; break; case MIG_STATE_ERROR: info->has_status = true; @@ -543,6 +546,9 @@ static void *migration_thread(void *opaque) double bandwidth = transferred_bytes / time_spent; max_size = bandwidth * migrate_max_downtime() / 1000000; + s->mbps = time_spent ? (((double) transferred_bytes * 8.0) / + ((double) time_spent / 1000.0)) / 1000.0 / 1000.0 : -1; + DPRINTF("transferred %" PRIu64 " time_spent %" PRIu64 " bandwidth %g max_size %" PRId64 "\n", transferred_bytes, time_spent, bandwidth, max_size); diff --git a/qapi-schema.json b/qapi-schema.json index 5ad6894..b239adb 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -513,12 +513,15 @@ # @dirty-pages-rate: number of pages dirtied by second by the # guest (since 1.3) # +# @mbps: throughput in megabits/sec. (since 1.5) +# # Since: 0.14.0 ## { 'type': 'MigrationStats', 'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' , 'duplicate': 'int', 'skipped': 'int', 'normal': 'int', - 'normal-bytes': 'int', 'dirty-pages-rate' : 'int' } } + 'normal-bytes': 'int', 'dirty-pages-rate' : 'int', + 'mbps' : 'number' } } ## # @XBZRLECacheStats