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Sun, 17 May 2020 23:49:11 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Sun, 17 May 2020 23:49:11 -0700 Received: from HQMAIL105.nvidia.com (172.20.187.12) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 18 May 2020 06:49:11 +0000 Received: from kwankhede-dev.nvidia.com (10.124.1.5) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 18 May 2020 06:49:03 +0000 From: Kirti Wankhede To: , Subject: [PATCH QEMU v22 18/18] qapi: Add VFIO devices migration stats in Migration stats Date: Mon, 18 May 2020 11:43:18 +0530 Message-ID: <1589782398-24406-19-git-send-email-kwankhede@nvidia.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1589782398-24406-1-git-send-email-kwankhede@nvidia.com> References: <1589782398-24406-1-git-send-email-kwankhede@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1589784539; bh=6pqgP0A94Lycn4YxUIV8rIw7Vy32cyS8Bm905ntbsEo=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=gjHkJE685Zzs/PD3XWj96aPe4VNbOHW+sFRjQ/L/lb8oJQwWPzgzGZxy9jYozCq/6 xiNidvfEJyisFEbLB/wyQzJ8rBwdVp5uWerekGuEeTLnl5c4VZF1rYKGsVel7OvrAH 8HLy8kte5w+AkzILmXNVCwE+gRSxZwAj5Sxstr08qv5DXsu/bojzyk3X7R6qaF40uu UxwoLZAUVKiiqa5mtFzU3fM7lN82KfVbnFNVSQE3L1uzEgaFWcnwsZqETPZNQSTV/8 z4vlSOt1gTeW6S7qk/eDaxmwpOYReQE5kkhzOdu+/X9cI9dV8COza2zzcmN+E1uLJX Li8bvA9kCkUKA== Received-SPF: pass client-ip=216.228.121.65; envelope-from=kwankhede@nvidia.com; helo=hqnvemgate26.nvidia.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/18 02:30:17 X-ACL-Warn: Detected OS = Windows 7 or 8 [fuzzy] X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 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_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: cohuck@redhat.com, aik@ozlabs.ru, Zhengxiao.zx@Alibaba-inc.com, shuangtai.tst@alibaba-inc.com, qemu-devel@nongnu.org, peterx@redhat.com, Kirti Wankhede , eauger@redhat.com, yi.l.liu@intel.com, quintela@redhat.com, ziye.yang@intel.com, armbru@redhat.com, mlevitsk@redhat.com, pasic@linux.ibm.com, felipe@nutanix.com, zhi.a.wang@intel.com, kevin.tian@intel.com, yan.y.zhao@intel.com, dgilbert@redhat.com, changpeng.liu@intel.com, eskultet@redhat.com, Ken.Xue@amd.com, jonathan.davies@nutanix.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Added amount of bytes transferred to the target VM by all VFIO devices Signed-off-by: Kirti Wankhede --- hw/vfio/common.c | 20 ++++++++++++++++++++ hw/vfio/migration.c | 10 +++++++++- include/qemu/vfio-helpers.h | 3 +++ migration/migration.c | 12 ++++++++++++ monitor/hmp-cmds.c | 6 ++++++ qapi/migration.json | 19 ++++++++++++++++++- 6 files changed, 68 insertions(+), 2 deletions(-) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 9b29de654c7f..3e2ae742575e 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -40,6 +40,7 @@ #include "trace.h" #include "qapi/error.h" #include "migration/migration.h" +#include "qemu/vfio-helpers.h" VFIOGroupList vfio_group_list = QLIST_HEAD_INITIALIZER(vfio_group_list); @@ -293,6 +294,25 @@ const MemoryRegionOps vfio_region_ops = { * Device state interfaces */ +bool vfio_mig_active(void) +{ + VFIOGroup *group; + VFIODevice *vbasedev; + + if (QLIST_EMPTY(&vfio_group_list)) { + return false; + } + + QLIST_FOREACH(group, &vfio_group_list, next) { + QLIST_FOREACH(vbasedev, &group->device_list, next) { + if (vbasedev->migration_blocker) { + return false; + } + } + } + return true; +} + static bool vfio_devices_are_stopped_and_saving(void) { VFIOGroup *group; diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c index 7729c90782bd..2eef38fe5c65 100644 --- a/hw/vfio/migration.c +++ b/hw/vfio/migration.c @@ -26,7 +26,7 @@ #include "exec/ram_addr.h" #include "pci.h" #include "trace.h" - +#include "qemu/vfio-helpers.h" /* * Flags used as delimiter: * 0xffffffff => MSB 32-bit all 1s @@ -38,6 +38,8 @@ #define VFIO_MIG_FLAG_DEV_SETUP_STATE (0xffffffffef100003ULL) #define VFIO_MIG_FLAG_DEV_DATA_STATE (0xffffffffef100004ULL) +static int64_t bytes_transferred; + static void vfio_migration_region_exit(VFIODevice *vbasedev) { VFIOMigration *migration = vbasedev->migration; @@ -229,6 +231,7 @@ static int vfio_save_buffer(QEMUFile *f, VFIODevice *vbasedev) return ret; } + bytes_transferred += data_size; return data_size; } @@ -744,6 +747,11 @@ static int vfio_migration_init(VFIODevice *vbasedev, /* ---------------------------------------------------------------------- */ +int64_t vfio_mig_bytes_transferred(void) +{ + return bytes_transferred; +} + int vfio_migration_probe(VFIODevice *vbasedev, Error **errp) { struct vfio_region_info *info; diff --git a/include/qemu/vfio-helpers.h b/include/qemu/vfio-helpers.h index 1f057c2b9e40..26a7df0767b1 100644 --- a/include/qemu/vfio-helpers.h +++ b/include/qemu/vfio-helpers.h @@ -29,4 +29,7 @@ void qemu_vfio_pci_unmap_bar(QEMUVFIOState *s, int index, void *bar, int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e, int irq_type, Error **errp); +bool vfio_mig_active(void); +int64_t vfio_mig_bytes_transferred(void); + #endif diff --git a/migration/migration.c b/migration/migration.c index 187ac0410c2d..9d763447261c 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -54,6 +54,7 @@ #include "net/announce.h" #include "qemu/queue.h" #include "multifd.h" +#include "qemu/vfio-helpers.h" #define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling */ @@ -967,6 +968,15 @@ static void populate_disk_info(MigrationInfo *info) } } +static void populate_vfio_info(MigrationInfo *info) +{ + if (vfio_mig_active()) { + info->has_vfio = true; + info->vfio = g_malloc0(sizeof(*info->vfio)); + info->vfio->bytes = vfio_mig_bytes_transferred(); + } +} + static void fill_source_migration_info(MigrationInfo *info) { MigrationState *s = migrate_get_current(); @@ -992,6 +1002,7 @@ static void fill_source_migration_info(MigrationInfo *info) populate_time_info(info, s); populate_ram_info(info, s); populate_disk_info(info); + populate_vfio_info(info); break; case MIGRATION_STATUS_COLO: info->has_status = true; @@ -1000,6 +1011,7 @@ static void fill_source_migration_info(MigrationInfo *info) case MIGRATION_STATUS_COMPLETED: populate_time_info(info, s); populate_ram_info(info, s); + populate_vfio_info(info); break; case MIGRATION_STATUS_FAILED: info->has_status = true; diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 7f6e982dc834..d04bc042f2fe 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -353,6 +353,12 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) } monitor_printf(mon, "]\n"); } + + if (info->has_vfio) { + monitor_printf(mon, "vfio device bytes: %" PRIu64 " kbytes\n", + info->vfio->bytes >> 10); + } + qapi_free_MigrationInfo(info); } diff --git a/qapi/migration.json b/qapi/migration.json index eca2981d0a33..22548bfff1d2 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -144,6 +144,18 @@ 'active', 'postcopy-active', 'postcopy-paused', 'postcopy-recover', 'completed', 'failed', 'colo', 'pre-switchover', 'device', 'wait-unplug' ] } +## +# @VfioStats: +# +# Detailed VFIO devices migration statistics +# +# @bytes: amount of bytes transferred to the target VM by VFIO devices +# +# Since: 5.1 +# +## +{ 'struct': 'VfioStats', + 'data': {'bytes': 'int' } } ## # @MigrationInfo: @@ -205,6 +217,10 @@ # # @socket-address: Only used for tcp, to know what the real port is (Since 4.0) # +# @vfio: @VfioStats containing detailed VFIO devices migration statistics, +# only returned if VFIO device is present, migration is supported by all +# VFIO devices and status is 'active' or 'completed' (since 5.1) +# # Since: 0.14.0 ## { 'struct': 'MigrationInfo', @@ -220,7 +236,8 @@ '*postcopy-blocktime' : 'uint32', '*postcopy-vcpu-blocktime': ['uint32'], '*compression': 'CompressionStats', - '*socket-address': ['SocketAddress'] } } + '*socket-address': ['SocketAddress'], + '*vfio': 'VfioStats' } } ## # @query-migrate: