From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A86A3C352A3 for ; Thu, 13 Feb 2020 21:23:34 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7A0E4206DB for ; Thu, 13 Feb 2020 21:23:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="dL4zb+2V" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A0E4206DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59304 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2LxN-0004XM-N5 for qemu-devel@archiver.kernel.org; Thu, 13 Feb 2020 16:23:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49514) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2Lrt-0005qd-4n for qemu-devel@nongnu.org; Thu, 13 Feb 2020 16:17:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j2Lrq-0005FB-DC for qemu-devel@nongnu.org; Thu, 13 Feb 2020 16:17:53 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:35482 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j2Lrq-00058w-2W for qemu-devel@nongnu.org; Thu, 13 Feb 2020 16:17:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1581628666; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Bk0eYKapoPLtbKAcJuykvB4IMf3GQZPBvSP3q8CPYFo=; b=dL4zb+2VLYaTOo+3aj2ylL+tqsVhf1dX2vdwBHTii3MLAJ3JGIZV8m6SqaAsoSTOXsEK97 dJKarT1euyUTwpvFM0f/niL6mXQiymkniszfdxtUcA/P4t/EmUjGpGDG9RgJYI2n+W7i8s /5F7GCZT5CQf8H8cUTLShw2rioaB+cM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-136-sJ_0sV0wOUOZ8Rr5OqXDxA-1; Thu, 13 Feb 2020 16:17:44 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9681DDB21; Thu, 13 Feb 2020 21:17:43 +0000 (UTC) Received: from secure.mitica (ovpn-116-211.ams2.redhat.com [10.36.116.211]) by smtp.corp.redhat.com (Postfix) with ESMTP id AECCE19C7F; Thu, 13 Feb 2020 21:17:40 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Subject: [PATCH v6 7/8] multifd: Add multifd-zstd-level parameter Date: Thu, 13 Feb 2020 22:17:08 +0100 Message-Id: <20200213211709.59065-8-quintela@redhat.com> In-Reply-To: <20200213211709.59065-1-quintela@redhat.com> References: <20200213211709.59065-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: sJ_0sV0wOUOZ8Rr5OqXDxA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Laurent Vivier , Thomas Huth , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , Juan Quintela , Markus Armbruster , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This parameter specifies the zstd compression level. The next patch will put it to use. Signed-off-by: Juan Quintela Acked-by: Markus Armbruster --- migration/migration.c | 24 ++++++++++++++++++++++++ migration/migration.h | 1 + monitor/hmp-cmds.c | 4 ++++ qapi/migration.json | 29 ++++++++++++++++++++++++++--- 4 files changed, 55 insertions(+), 3 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index a09726f679..c1814a6861 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -91,6 +91,8 @@ #define DEFAULT_MIGRATE_MULTIFD_COMPRESSION MULTIFD_COMPRESSION_NONE /* 0: means nocompress, 1: best speed, ... 9: best compress ratio */ #define DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL 1 +/* 0: means nocompress, 1: best speed, ... 20: best compress ratio */ +#define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1 =20 /* Background transfer rate for postcopy, 0 means unlimited, note * that page requests can still exceed this limit. @@ -805,6 +807,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error= **errp) params->multifd_compression =3D s->parameters.multifd_compression; params->has_multifd_zlib_level =3D true; params->multifd_zlib_level =3D s->parameters.multifd_zlib_level; + params->has_multifd_zstd_level =3D true; + params->multifd_zstd_level =3D s->parameters.multifd_zstd_level; params->has_xbzrle_cache_size =3D true; params->xbzrle_cache_size =3D s->parameters.xbzrle_cache_size; params->has_max_postcopy_bandwidth =3D true; @@ -1219,6 +1223,13 @@ static bool migrate_params_check(MigrationParameters= *params, Error **errp) return false; } =20 + if (params->has_multifd_zstd_level && + (params->multifd_zstd_level > 20)) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_zstd_level= ", + "is invalid, it should be in the range of 0 to 20"); + return false; + } + if (params->has_xbzrle_cache_size && (params->xbzrle_cache_size < qemu_target_page_size() || !is_power_of_2(params->xbzrle_cache_size))) { @@ -2274,6 +2285,15 @@ int migrate_multifd_zlib_level(void) return s->parameters.multifd_zlib_level; } =20 +int migrate_multifd_zstd_level(void) +{ + MigrationState *s; + + s =3D migrate_get_current(); + + return s->parameters.multifd_zstd_level; +} + int migrate_use_xbzrle(void) { MigrationState *s; @@ -3567,6 +3587,9 @@ static Property migration_properties[] =3D { DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState, parameters.multifd_zlib_level, DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL), + DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState, + parameters.multifd_zstd_level, + DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL), DEFINE_PROP_SIZE("xbzrle-cache-size", MigrationState, parameters.xbzrle_cache_size, DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE), @@ -3659,6 +3682,7 @@ static void migration_instance_init(Object *obj) params->has_multifd_channels =3D true; params->has_multifd_compression =3D true; params->has_multifd_zlib_level =3D true; + params->has_multifd_zstd_level =3D true; params->has_xbzrle_cache_size =3D true; params->has_max_postcopy_bandwidth =3D true; params->has_max_cpu_throttle =3D true; diff --git a/migration/migration.h b/migration/migration.h index c363ef9334..507284e563 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -302,6 +302,7 @@ bool migrate_pause_before_switchover(void); int migrate_multifd_channels(void); MultiFDCompression migrate_multifd_compression(void); int migrate_multifd_zlib_level(void); +int migrate_multifd_zstd_level(void); =20 int migrate_use_xbzrle(void); int64_t migrate_xbzrle_cache_size(void); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 8a39dff589..f9f2c4446a 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -1840,6 +1840,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const Q= Dict *qdict) p->has_multifd_zlib_level =3D true; visit_type_int(v, param, &p->multifd_zlib_level, &err); break; + case MIGRATION_PARAMETER_MULTIFD_ZSTD_LEVEL: + p->has_multifd_zstd_level =3D true; + visit_type_int(v, param, &p->multifd_zstd_level, &err); + break; case MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE: p->has_xbzrle_cache_size =3D true; visit_type_size(v, param, &cache_size, &err); diff --git a/qapi/migration.json b/qapi/migration.json index 860609231b..1fba695e2e 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -610,6 +610,13 @@ # will consume more CPU. # Defaults to 1. (Since 5.0) # +# @multifd-zstd-level: Set the compression level to be used in live +# migration, the compression level is an integer between 0 +# and 20, where 0 means no compression, 1 means the best +# compression speed, and 20 means best compression ratio which +# will consume more CPU. +# Defaults to 1. (Since 5.0) +# # Since: 2.4 ## { 'enum': 'MigrationParameter', @@ -623,7 +630,7 @@ 'multifd-channels', 'xbzrle-cache-size', 'max-postcopy-bandwidth', 'max-cpu-throttle', 'multifd-compression', - 'multifd-zlib-level' ] } + 'multifd-zlib-level' ,'multifd-zstd-level' ] } =20 ## # @MigrateSetParameters: @@ -723,6 +730,13 @@ # will consume more CPU. # Defaults to 1. (Since 5.0) # +# @multifd-zstd-level: Set the compression level to be used in live +# migration, the compression level is an integer between 0 +# and 20, where 0 means no compression, 1 means the best +# compression speed, and 20 means best compression ratio which +# will consume more CPU. +# Defaults to 1. (Since 5.0) +# # Since: 2.4 ## # TODO either fuse back into MigrationParameters, or make @@ -750,7 +764,8 @@ '*max-postcopy-bandwidth': 'size', '*max-cpu-throttle': 'int', '*multifd-compression': 'MultiFDCompression', - '*multifd-zlib-level': 'int' } } + '*multifd-zlib-level': 'int', + '*multifd-zstd-level': 'int' } } =20 ## # @migrate-set-parameters: @@ -870,6 +885,13 @@ # will consume more CPU. # Defaults to 1. (Since 5.0) # +# @multifd-zstd-level: Set the compression level to be used in live +# migration, the compression level is an integer between 0 +# and 20, where 0 means no compression, 1 means the best +# compression speed, and 20 means best compression ratio which +# will consume more CPU. +# Defaults to 1. (Since 5.0) +# # Since: 2.4 ## { 'struct': 'MigrationParameters', @@ -895,7 +917,8 @@ =09 '*max-postcopy-bandwidth': 'size', '*max-cpu-throttle': 'uint8', '*multifd-compression': 'MultiFDCompression', - '*multifd-zlib-level': 'uint8' } } + '*multifd-zlib-level': 'uint8', + '*multifd-zstd-level': 'uint8' } } =20 ## # @query-migrate-parameters: --=20 2.24.1