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GET /api/patches/810541/?format=api
{ "id": 810541, "url": "http://patchwork.ozlabs.org/api/patches/810541/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170906115143.27451-21-quintela@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170906115143.27451-21-quintela@redhat.com>", "list_archive_url": null, "date": "2017-09-06T11:51:41", "name": "[v7,20/22] migration: Rename initial_bytes", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "01ba18ce37e6f7f363cb3c855a224cc582a08357", "submitter": { "id": 2643, "url": "http://patchwork.ozlabs.org/api/people/2643/?format=api", "name": "Juan Quintela", "email": "quintela@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170906115143.27451-21-quintela@redhat.com/mbox/", "series": [ { "id": 1773, "url": "http://patchwork.ozlabs.org/api/series/1773/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1773", "date": "2017-09-06T11:51:21", "name": "Multifd", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/1773/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810541/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810541/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx08.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx08.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=quintela@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xnMb90Bx3z9sBW\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 6 Sep 2017 22:00:05 +1000 (AEST)", "from localhost ([::1]:35602 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dpYzz-0005NN-56\n\tfor incoming@patchwork.ozlabs.org; Wed, 06 Sep 2017 08:00:03 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:60557)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <quintela@redhat.com>) id 1dpYsr-0007qb-Sg\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 07:52:42 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <quintela@redhat.com>) id 1dpYsp-0008FA-FS\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 07:52:41 -0400", "from mx1.redhat.com ([209.132.183.28]:51744)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <quintela@redhat.com>) id 1dpYsp-0008Ef-9J\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 07:52:39 -0400", "from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 4D559C057FAF\n\tfor <qemu-devel@nongnu.org>; Wed, 6 Sep 2017 11:52:38 +0000 (UTC)", "from secure.mitica (ovpn-117-188.ams2.redhat.com [10.36.117.188])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id EDE2C7E34E;\n\tWed, 6 Sep 2017 11:52:36 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 4D559C057FAF", "From": "Juan Quintela <quintela@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Wed, 6 Sep 2017 13:51:41 +0200", "Message-Id": "<20170906115143.27451-21-quintela@redhat.com>", "In-Reply-To": "<20170906115143.27451-1-quintela@redhat.com>", "References": "<20170906115143.27451-1-quintela@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.32]);\n\tWed, 06 Sep 2017 11:52:38 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH v7 20/22] migration: Rename initial_bytes", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "lvivier@redhat.com, dgilbert@redhat.com, peterx@redhat.com", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Now it is called qemu_file_bytes that reflects better what it does,\nand we create qemu_file_bytes_now to not have to call qemu_ftell() twice.\n\nSigned-off-by: Juan Quintela <quintela@redhat.com>\nReviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>\n---\n migration/migration.c | 9 +++++----\n 1 file changed, 5 insertions(+), 4 deletions(-)", "diff": "diff --git a/migration/migration.c b/migration/migration.c\nindex 157e8fd1d0..62c410aac3 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -2064,13 +2064,13 @@ static void *migration_thread(void *opaque)\n /* Used by the bandwidth calcs, updated later */\n int64_t initial_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);\n int64_t setup_start = qemu_clock_get_ms(QEMU_CLOCK_HOST);\n- int64_t initial_bytes = 0;\n /*\n * The final stage happens when the remaining data is smaller than\n * this threshold; it's calculated from the requested downtime and\n * measured bandwidth\n */\n int64_t threshold_size = 0;\n+ int64_t qemu_file_bytes = 0;\n int64_t start_time = initial_time;\n int64_t end_time;\n bool old_vm_running = false;\n@@ -2158,8 +2158,9 @@ static void *migration_thread(void *opaque)\n }\n current_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);\n if (current_time >= initial_time + BUFFER_DELAY) {\n- uint64_t transferred_bytes = qemu_ftell(s->to_dst_file) -\n- initial_bytes;\n+ uint64_t qemu_file_bytes_now = qemu_ftell(s->to_dst_file);\n+ uint64_t transferred_bytes =\n+ qemu_file_bytes_now - qemu_file_bytes;\n uint64_t time_spent = current_time - initial_time;\n double bandwidth = (double)transferred_bytes / time_spent;\n threshold_size = bandwidth * s->parameters.downtime_limit;\n@@ -2178,7 +2179,7 @@ static void *migration_thread(void *opaque)\n \n qemu_file_reset_rate_limit(s->to_dst_file);\n initial_time = current_time;\n- initial_bytes = qemu_ftell(s->to_dst_file);\n+ qemu_file_bytes = qemu_file_bytes_now;\n }\n if (qemu_file_rate_limit(s->to_dst_file)) {\n /* usleep expects microseconds */\n", "prefixes": [ "v7", "20/22" ] }