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GET /api/patches/2219987/?format=api
{ "id": 2219987, "url": "http://patchwork.ozlabs.org/api/patches/2219987/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260405152612.93027-2-viking4@gmail.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": "<20260405152612.93027-2-viking4@gmail.com>", "list_archive_url": null, "date": "2026-04-05T15:26:07", "name": "[1/2] migration: track timing and received pages in MigrationIncomingState", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5413c5c0eccb2dc6dbd489cef79fd4e201084f1e", "submitter": { "id": 92831, "url": "http://patchwork.ozlabs.org/api/people/92831/?format=api", "name": "Trieu Huynh", "email": "vikingtc4@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260405152612.93027-2-viking4@gmail.com/mbox/", "series": [ { "id": 498790, "url": "http://patchwork.ozlabs.org/api/series/498790/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498790", "date": "2026-04-05T15:26:06", "name": "migration: include timing and RAM stats on destination when query-migrate", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498790/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219987/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219987/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@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=IHl8HVgd;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-pf1-x42c.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://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 <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Trieu Huynh <vikingtc4@gmail.com>\n\nAdd start_time, total_time, received_normal_pages,\nreceived_zero_pages, and received_xbzrle_pages to\nMigrationIncomingState.\n\nstart_time is recorded when the incoming state transitions to ACTIVE;\ntotal_time is recorded when it transitions to COMPLETED. The page\ncounters are incremented in ram_load_precopy() as each page type is\nreceived from the source.\n\nThese fields will be used by a subsequent patch to populate\nfill_destination_migration_info() for the migration COMPLETED case.\n\nSigned-off-by: Trieu Huynh <vikingtc4@gmail.com>\n---\n migration/migration.c | 2 ++\n migration/migration.h | 17 +++++++++++++++++\n migration/ram.c | 3 +++\n 3 files changed, 22 insertions(+)", "diff": "diff --git a/migration/migration.c b/migration/migration.c\nindex 5c9aaa6e58..17c9a8b344 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -726,6 +726,7 @@ static void process_incoming_migration_bh(void *opaque)\n */\n migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,\n MIGRATION_STATUS_COMPLETED);\n+ mis->total_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) - mis->start_time;\n migration_incoming_state_destroy();\n }\n \n@@ -758,6 +759,7 @@ process_incoming_migration_co(void *opaque)\n migrate_set_state(&mis->state, MIGRATION_STATUS_SETUP,\n MIGRATION_STATUS_ACTIVE);\n \n+ mis->start_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);\n mis->loadvm_co = qemu_coroutine_self();\n ret = qemu_loadvm_state(mis->from_src_file, &local_err);\n mis->loadvm_co = NULL;\ndiff --git a/migration/migration.h b/migration/migration.h\nindex b6888daced..cd51ae452c 100644\n--- a/migration/migration.h\n+++ b/migration/migration.h\n@@ -176,6 +176,23 @@ struct MigrationIncomingState {\n /* PostCopyFD's for external userfaultfds & handlers of shared memory */\n GArray *postcopy_remote_fds;\n \n+ /*\n+ * Timestamps for reporting migration duration via query-migrate on the\n+ * destination. start_time is recorded when the state moves to ACTIVE;\n+ * total_time is recorded when it moves to COMPLETED.\n+ */\n+ int64_t start_time;\n+ int64_t total_time;\n+\n+ /*\n+ * Page counters for reporting RAM statistics via query-migrate on the\n+ * destination. Incremented in ram_load_precopy() as each page type\n+ * is received.\n+ */\n+ uint64_t received_normal_pages;\n+ uint64_t received_zero_pages;\n+ uint64_t received_xbzrle_pages;\n+\n MigrationStatus state;\n \n /*\ndiff --git a/migration/ram.c b/migration/ram.c\nindex 979751f61b..6646e5daad 100644\n--- a/migration/ram.c\n+++ b/migration/ram.c\n@@ -4417,10 +4417,12 @@ static int ram_load_precopy(QEMUFile *f)\n break;\n }\n ram_handle_zero(host, TARGET_PAGE_SIZE);\n+ mis->received_zero_pages++;\n break;\n \n case RAM_SAVE_FLAG_PAGE:\n qemu_get_buffer(f, host, TARGET_PAGE_SIZE);\n+ mis->received_normal_pages++;\n break;\n \n case RAM_SAVE_FLAG_XBZRLE:\n@@ -4430,6 +4432,7 @@ static int ram_load_precopy(QEMUFile *f)\n ret = -EINVAL;\n break;\n }\n+ mis->received_xbzrle_pages++;\n break;\n case RAM_SAVE_FLAG_MULTIFD_FLUSH:\n multifd_recv_sync_main();\n", "prefixes": [ "1/2" ] }