mirror of https://github.com/proxmox/mirror_qemu
Add dirty-sync-missed-zero-copy migration stat
Signed-off-by: Leonardo Bras <leobras@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Acked-by: Peter Xu <peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220711211112.18951-3-leobras@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>master
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927f93e099
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cf20c89733
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@ -1057,6 +1057,8 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
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info->ram->normal_bytes = ram_counters.normal * page_size;
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info->ram->normal_bytes = ram_counters.normal * page_size;
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info->ram->mbps = s->mbps;
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info->ram->mbps = s->mbps;
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info->ram->dirty_sync_count = ram_counters.dirty_sync_count;
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info->ram->dirty_sync_count = ram_counters.dirty_sync_count;
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info->ram->dirty_sync_missed_zero_copy =
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ram_counters.dirty_sync_missed_zero_copy;
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info->ram->postcopy_requests = ram_counters.postcopy_requests;
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info->ram->postcopy_requests = ram_counters.postcopy_requests;
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info->ram->page_size = page_size;
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info->ram->page_size = page_size;
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info->ram->multifd_bytes = ram_counters.multifd_bytes;
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info->ram->multifd_bytes = ram_counters.multifd_bytes;
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@ -307,6 +307,11 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
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monitor_printf(mon, "postcopy ram: %" PRIu64 " kbytes\n",
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monitor_printf(mon, "postcopy ram: %" PRIu64 " kbytes\n",
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info->ram->postcopy_bytes >> 10);
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info->ram->postcopy_bytes >> 10);
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}
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}
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if (info->ram->dirty_sync_missed_zero_copy) {
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monitor_printf(mon,
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"Zero-copy-send fallbacks happened: %" PRIu64 " times\n",
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info->ram->dirty_sync_missed_zero_copy);
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}
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}
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}
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if (info->has_disk) {
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if (info->has_disk) {
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@ -55,6 +55,10 @@
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# @postcopy-bytes: The number of bytes sent during the post-copy phase
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# @postcopy-bytes: The number of bytes sent during the post-copy phase
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# (since 7.0).
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# (since 7.0).
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#
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#
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# @dirty-sync-missed-zero-copy: Number of times dirty RAM synchronization could
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# not avoid copying dirty pages. This is between
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# 0 and @dirty-sync-count * @multifd-channels.
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# (since 7.1)
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# Since: 0.14
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# Since: 0.14
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##
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##
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{ 'struct': 'MigrationStats',
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{ 'struct': 'MigrationStats',
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@ -65,7 +69,8 @@
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'postcopy-requests' : 'int', 'page-size' : 'int',
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'postcopy-requests' : 'int', 'page-size' : 'int',
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'multifd-bytes' : 'uint64', 'pages-per-second' : 'uint64',
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'multifd-bytes' : 'uint64', 'pages-per-second' : 'uint64',
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'precopy-bytes' : 'uint64', 'downtime-bytes' : 'uint64',
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'precopy-bytes' : 'uint64', 'downtime-bytes' : 'uint64',
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'postcopy-bytes' : 'uint64' } }
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'postcopy-bytes' : 'uint64',
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'dirty-sync-missed-zero-copy' : 'uint64' } }
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##
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##
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# @XBZRLECacheStats:
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# @XBZRLECacheStats:
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