From patchwork Thu Jul 11 02:52:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yichen Wang X-Patchwork-Id: 13729962 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8A202C3DA42 for ; Thu, 11 Jul 2024 02:54:19 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sRjvO-0003x3-OG; Wed, 10 Jul 2024 22:52:50 -0400 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 1sRjvM-0003p0-HE for qemu-devel@nongnu.org; Wed, 10 Jul 2024 22:52:48 -0400 Received: from mail-oi1-x233.google.com ([2607:f8b0:4864:20::233]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sRjvI-0007s1-3P for qemu-devel@nongnu.org; Wed, 10 Jul 2024 22:52:48 -0400 Received: by mail-oi1-x233.google.com with SMTP id 5614622812f47-3d9dd3c1e59so256400b6e.0 for ; Wed, 10 Jul 2024 19:52:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1720666361; x=1721271161; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZIzAMwf8jnXRHDk1Vfuw/rfwfjSU1OWcjjUQkenM57c=; b=PDOBLiXIQaPlGDZhs51oieFird9FBzr97R+A2uZNQfhFQCNqoib9RVlzztmZrA3VHg UD0hcRIjnq4hWX6TTilNxLfEDtPmfSTtvVW4B3L9colNjkQg9T1JBmU3FWLH3zSNtHNt L71GqBuWXuUHM2a4D5EVesngiTq3HDX35f/NV7RFvWNCMWMF4EQ5MDPgy6mRuzGiIRwQ 6uhPYVR1qGK+hKaDFXW8rxBSgRu4Kki4CVUwBb5xTB7MaAYRKA9lzDHDdwdtkP2R9ewP NAp4EW71b8BU6Ne5Ab5wDKb5OicQwRdcHcHpD9Oy61zk1u+HYjnYqZO6OPZoK13RAAeP XS6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720666361; x=1721271161; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZIzAMwf8jnXRHDk1Vfuw/rfwfjSU1OWcjjUQkenM57c=; b=vT9pgxlOrRBa1JHpTzwGkr6xIasa6mKYk7Xl6sZ7xEADoSXK1amh0TgCQXOGkIn6PH Ik3d23EyCPuxNvX6rjiLr0JhZOYftzyG8sg2tLggIYf+sm9mjnrwmypPiiSNW9W6/ICL PndLB3U92UxMax3CI8A1paYynai/pYdCYqSFsML9uRrirr7f3BotweTHtgokvvKIX4wd rtE+KNqjql7T1sec7SMEQWsbVtQZ3kAf1ZCF9TWVVe8sTarrHhZWQaOVH/63RlCyXd6d j+vNwKTV797EC2FcaplfCTczcXicwuop6HKjgQTNrEZilDR39jLZ6VtV/qz0YCf1cvPM dEfw== X-Forwarded-Encrypted: i=1; AJvYcCUQSqKCh9ZcnxBnVB26z5eeI/zF9acos6xu344pFp4iBpm2s/5/xjRDXvRXcIIGityq79sTedjVKLGBS8aZE5rUJqjjo5M= X-Gm-Message-State: AOJu0YxStEXNV57oBKgbqDByYS1mbTelDzLKTBs+wo7WbJWb+FHhaNvA 4KjQ3ORJrNRykOo2CS+z/mDQ0AmIpQt3WBzCOCJyQAdrtOsOOBTl36NvmP8DmuU= X-Google-Smtp-Source: AGHT+IGxTjV+JOxhbqYV18bA0vldygq9qYAdHDtVGX4epP2UcrXrOIPkFDYGsv5F/OXULhPLnXebHA== X-Received: by 2002:a05:6808:bcb:b0:3d9:2ac4:5d63 with SMTP id 5614622812f47-3d93c021450mr8434382b6e.25.1720666360827; Wed, 10 Jul 2024 19:52:40 -0700 (PDT) Received: from DY4X0N7X05.bytedance.net ([208.184.112.130]) by smtp.gmail.com with ESMTPSA id 5614622812f47-3daa12f4f7csm117827b6e.41.2024.07.10.19.52.39 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 10 Jul 2024 19:52:40 -0700 (PDT) From: Yichen Wang To: Peter Xu , Fabiano Rosas , Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Eric Blake , Markus Armbruster , Laurent Vivier , qemu-devel@nongnu.org Cc: "Hao Xiang" , "Liu, Yuan1" , "Zou, Nanhai" , "Ho-Ren (Jack) Chuang" , "Yichen Wang" , Bryan Zhang Subject: [PATCH v5 3/5] migration: Add migration parameters for QATzip Date: Wed, 10 Jul 2024 19:52:27 -0700 Message-Id: <20240711025229.66260-4-yichen.wang@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20240711025229.66260-1-yichen.wang@bytedance.com> References: <20240711025229.66260-1-yichen.wang@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::233; envelope-from=yichen.wang@bytedance.com; helo=mail-oi1-x233.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Bryan Zhang Adds support for migration parameters to control QATzip compression level and to enable/disable software fallback when QAT hardware is unavailable. This is a preparatory commit for a subsequent commit that will actually use QATzip compression. Signed-off-by: Bryan Zhang Signed-off-by: Hao Xiang Signed-off-by: Yichen Wang --- migration/migration-hmp-cmds.c | 4 ++++ migration/options.c | 34 ++++++++++++++++++++++++++++++++++ migration/options.h | 1 + qapi/migration.json | 18 ++++++++++++++++++ 4 files changed, 57 insertions(+) diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c index 7d608d26e1..28165cfc9e 100644 --- a/migration/migration-hmp-cmds.c +++ b/migration/migration-hmp-cmds.c @@ -576,6 +576,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) p->has_multifd_zlib_level = true; visit_type_uint8(v, param, &p->multifd_zlib_level, &err); break; + case MIGRATION_PARAMETER_MULTIFD_QATZIP_LEVEL: + p->has_multifd_qatzip_level = true; + visit_type_uint8(v, param, &p->multifd_qatzip_level, &err); + break; case MIGRATION_PARAMETER_MULTIFD_ZSTD_LEVEL: p->has_multifd_zstd_level = true; visit_type_uint8(v, param, &p->multifd_zstd_level, &err); diff --git a/migration/options.c b/migration/options.c index 645f55003d..147cd2b8fd 100644 --- a/migration/options.c +++ b/migration/options.c @@ -55,6 +55,13 @@ #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 +/* + * 1: best speed, ... 9: best compress ratio + * There is some nuance here. Refer to QATzip documentation to understand + * the mapping of QATzip levels to standard deflate levels. + */ +#define DEFAULT_MIGRATE_MULTIFD_QATZIP_LEVEL 1 + /* 0: means nocompress, 1: best speed, ... 20: best compress ratio */ #define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1 @@ -123,6 +130,9 @@ Property migration_properties[] = { DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState, parameters.multifd_zlib_level, DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL), + DEFINE_PROP_UINT8("multifd-qatzip-level", MigrationState, + parameters.multifd_qatzip_level, + DEFAULT_MIGRATE_MULTIFD_QATZIP_LEVEL), DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState, parameters.multifd_zstd_level, DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL), @@ -787,6 +797,13 @@ int migrate_multifd_zlib_level(void) return s->parameters.multifd_zlib_level; } +int migrate_multifd_qatzip_level(void) +{ + MigrationState *s = migrate_get_current(); + + return s->parameters.multifd_qatzip_level; +} + int migrate_multifd_zstd_level(void) { MigrationState *s = migrate_get_current(); @@ -892,6 +909,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) params->multifd_compression = s->parameters.multifd_compression; params->has_multifd_zlib_level = true; params->multifd_zlib_level = s->parameters.multifd_zlib_level; + params->has_multifd_qatzip_level = true; + params->multifd_qatzip_level = s->parameters.multifd_qatzip_level; params->has_multifd_zstd_level = true; params->multifd_zstd_level = s->parameters.multifd_zstd_level; params->has_xbzrle_cache_size = true; @@ -946,6 +965,7 @@ void migrate_params_init(MigrationParameters *params) params->has_multifd_channels = true; params->has_multifd_compression = true; params->has_multifd_zlib_level = true; + params->has_multifd_qatzip_level = true; params->has_multifd_zstd_level = true; params->has_xbzrle_cache_size = true; params->has_max_postcopy_bandwidth = true; @@ -1038,6 +1058,14 @@ bool migrate_params_check(MigrationParameters *params, Error **errp) return false; } + if (params->has_multifd_qatzip_level && + ((params->multifd_qatzip_level > 9) || + (params->multifd_qatzip_level < 1))) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_qatzip_level", + "a value between 1 and 9"); + return false; + } + if (params->has_multifd_zstd_level && (params->multifd_zstd_level > 20)) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_zstd_level", @@ -1195,6 +1223,9 @@ static void migrate_params_test_apply(MigrateSetParameters *params, if (params->has_multifd_compression) { dest->multifd_compression = params->multifd_compression; } + if (params->has_multifd_qatzip_level) { + dest->multifd_qatzip_level = params->multifd_qatzip_level; + } if (params->has_multifd_zlib_level) { dest->multifd_zlib_level = params->multifd_zlib_level; } @@ -1315,6 +1346,9 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp) if (params->has_multifd_compression) { s->parameters.multifd_compression = params->multifd_compression; } + if (params->has_multifd_qatzip_level) { + s->parameters.multifd_qatzip_level = params->multifd_qatzip_level; + } if (params->has_multifd_zlib_level) { s->parameters.multifd_zlib_level = params->multifd_zlib_level; } diff --git a/migration/options.h b/migration/options.h index a2397026db..a0bd6edc06 100644 --- a/migration/options.h +++ b/migration/options.h @@ -78,6 +78,7 @@ uint64_t migrate_max_postcopy_bandwidth(void); int migrate_multifd_channels(void); MultiFDCompression migrate_multifd_compression(void); int migrate_multifd_zlib_level(void); +int migrate_multifd_qatzip_level(void); int migrate_multifd_zstd_level(void); uint8_t migrate_throttle_trigger_threshold(void); const char *migrate_tls_authz(void); diff --git a/qapi/migration.json b/qapi/migration.json index 1234bef888..cd08f2f710 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -789,6 +789,11 @@ # speed, and 9 means best compression ratio which will consume # more CPU. Defaults to 1. (Since 5.0) # +# @multifd-qatzip-level: Set the compression level to be used in live +# migration. The level is an integer between 1 and 9, where 1 means +# the best compression speed, and 9 means the best compression +# ratio which will consume more CPU. Defaults to 1. (Since 9.1) +# # @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 @@ -849,6 +854,7 @@ 'xbzrle-cache-size', 'max-postcopy-bandwidth', 'max-cpu-throttle', 'multifd-compression', 'multifd-zlib-level', 'multifd-zstd-level', + 'multifd-qatzip-level', 'block-bitmap-mapping', { 'name': 'x-vcpu-dirty-limit-period', 'features': ['unstable'] }, 'vcpu-dirty-limit', @@ -964,6 +970,11 @@ # speed, and 9 means best compression ratio which will consume # more CPU. Defaults to 1. (Since 5.0) # +# @multifd-qatzip-level: Set the compression level to be used in live +# migration. The level is an integer between 1 and 9, where 1 means +# the best compression speed, and 9 means the best compression +# ratio which will consume more CPU. Defaults to 1. (Since 9.1) +# # @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 @@ -1037,6 +1048,7 @@ '*max-cpu-throttle': 'uint8', '*multifd-compression': 'MultiFDCompression', '*multifd-zlib-level': 'uint8', + '*multifd-qatzip-level': 'uint8', '*multifd-zstd-level': 'uint8', '*block-bitmap-mapping': [ 'BitmapMigrationNodeAlias' ], '*x-vcpu-dirty-limit-period': { 'type': 'uint64', @@ -1168,6 +1180,11 @@ # speed, and 9 means best compression ratio which will consume # more CPU. Defaults to 1. (Since 5.0) # +# @multifd-qatzip-level: Set the compression level to be used in live +# migration. The level is an integer between 1 and 9, where 1 means +# the best compression speed, and 9 means the best compression +# ratio which will consume more CPU. Defaults to 1. (Since 9.1) +# # @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 @@ -1238,6 +1255,7 @@ '*max-cpu-throttle': 'uint8', '*multifd-compression': 'MultiFDCompression', '*multifd-zlib-level': 'uint8', + '*multifd-qatzip-level': 'uint8', '*multifd-zstd-level': 'uint8', '*block-bitmap-mapping': [ 'BitmapMigrationNodeAlias' ], '*x-vcpu-dirty-limit-period': { 'type': 'uint64',