diff options
| author | David Edmondson <david.edmondson@oracle.com> | 2021-12-21 09:34:41 +0000 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2022-01-28 15:38:23 +0100 |
| commit | ae6806688016711bb9ec7541266d76ab511c5e3b (patch) | |
| tree | 5464c40cf9a9d65e72120a71e13f42e37acc0b28 | |
| parent | 4c2d0f6dca24f3396ab0718ad3f9f53cc53004df (diff) | |
migration: Tally pre-copy, downtime and post-copy bytes independently
Provide information on the number of bytes copied in the pre-copy,
downtime and post-copy phases of migration.
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
| -rw-r--r-- | migration/migration.c | 3 | ||||
| -rw-r--r-- | migration/ram.c | 7 | ||||
| -rw-r--r-- | monitor/hmp-cmds.c | 12 | ||||
| -rw-r--r-- | qapi/migration.json | 13 |
4 files changed, 34 insertions, 1 deletions
diff --git a/migration/migration.c b/migration/migration.c index 771f3e2bec..bcc385b94b 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1014,6 +1014,9 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) info->ram->page_size = page_size; info->ram->multifd_bytes = ram_counters.multifd_bytes; info->ram->pages_per_second = s->pages_per_second; + info->ram->precopy_bytes = ram_counters.precopy_bytes; + info->ram->downtime_bytes = ram_counters.downtime_bytes; + info->ram->postcopy_bytes = ram_counters.postcopy_bytes; if (migrate_use_xbzrle()) { info->has_xbzrle_cache = true; diff --git a/migration/ram.c b/migration/ram.c index 619a1d9a6b..ca879c744f 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -389,6 +389,13 @@ MigrationStats ram_counters; static void ram_transferred_add(uint64_t bytes) { + if (runstate_is_running()) { + ram_counters.precopy_bytes += bytes; + } else if (migration_in_postcopy()) { + ram_counters.postcopy_bytes += bytes; + } else { + ram_counters.downtime_bytes += bytes; + } ram_counters.transferred += bytes; } diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 2669156b28..8c384dc1b2 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -293,6 +293,18 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) monitor_printf(mon, "postcopy request count: %" PRIu64 "\n", info->ram->postcopy_requests); } + if (info->ram->precopy_bytes) { + monitor_printf(mon, "precopy ram: %" PRIu64 " kbytes\n", + info->ram->precopy_bytes >> 10); + } + if (info->ram->downtime_bytes) { + monitor_printf(mon, "downtime ram: %" PRIu64 " kbytes\n", + info->ram->downtime_bytes >> 10); + } + if (info->ram->postcopy_bytes) { + monitor_printf(mon, "postcopy ram: %" PRIu64 " kbytes\n", + info->ram->postcopy_bytes >> 10); + } } if (info->has_disk) { diff --git a/qapi/migration.json b/qapi/migration.json index bbfd48cf0b..5975a0e104 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -46,6 +46,15 @@ # @pages-per-second: the number of memory pages transferred per second # (Since 4.0) # +# @precopy-bytes: The number of bytes sent in the pre-copy phase +# (since 7.0). +# +# @downtime-bytes: The number of bytes sent while the guest is paused +# (since 7.0). +# +# @postcopy-bytes: The number of bytes sent during the post-copy phase +# (since 7.0). +# # Since: 0.14 ## { 'struct': 'MigrationStats', @@ -54,7 +63,9 @@ 'normal-bytes': 'int', 'dirty-pages-rate' : 'int', 'mbps' : 'number', 'dirty-sync-count' : 'int', 'postcopy-requests' : 'int', 'page-size' : 'int', - 'multifd-bytes' : 'uint64', 'pages-per-second' : 'uint64' } } + 'multifd-bytes' : 'uint64', 'pages-per-second' : 'uint64', + 'precopy-bytes' : 'uint64', 'downtime-bytes' : 'uint64', + 'postcopy-bytes' : 'uint64' } } ## # @XBZRLECacheStats: |