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migration: expose the bitmap_sync_count to the end

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expose the count that logs the times of updating the dirty bitmap to
end user.

Signed-off-by: ChenLiang <chenliang88@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
ChenLiang 2014-04-04 17:57:55 +08:00 committed by Juan Quintela
parent 71411d3580
commit 58570ed894
6 changed files with 18 additions and 5 deletions
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1
arch_init.c
View File

@ -537,6 +537,7 @@ static void migration_bitmap_sync(void)
s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE;
start_time = end_time;
num_dirty_pages_period = 0;
s->dirty_sync_count = bitmap_sync_count;
}
}

2
hmp.c
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@ -188,6 +188,8 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
info->ram->normal);
monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
info->ram->normal_bytes >> 10);
monitor_printf(mon, "dirty sync count: %" PRIu64 "\n",
info->ram->dirty_sync_count);
if (info->ram->dirty_pages_rate) {
monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n",
info->ram->dirty_pages_rate);

1
include/migration/migration.h
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@ -61,6 +61,7 @@ struct MigrationState
bool enabled_capabilities[MIGRATION_CAPABILITY_MAX];
int64_t xbzrle_cache_size;
int64_t setup_time;
int64_t dirty_sync_count;
};
void process_incoming_migration(QEMUFile *f);

2
migration.c
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@ -215,6 +215,7 @@ MigrationInfo *qmp_query_migrate(Error **errp)
info->ram->normal_bytes = norm_mig_bytes_transferred();
info->ram->dirty_pages_rate = s->dirty_pages_rate;
info->ram->mbps = s->mbps;
info->ram->dirty_sync_count = s->dirty_sync_count;
if (blk_mig_active()) {
info->has_disk = true;
@ -248,6 +249,7 @@ MigrationInfo *qmp_query_migrate(Error **errp)
info->ram->normal = norm_mig_pages_transferred();
info->ram->normal_bytes = norm_mig_bytes_transferred();
info->ram->mbps = s->mbps;
info->ram->dirty_sync_count = s->dirty_sync_count;
break;
case MIG_STATE_ERROR:
info->has_status = true;

4
qapi-schema.json
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@ -651,13 +651,15 @@
#
# @mbps: throughput in megabits/sec. (since 1.6)
#
# @dirty-sync-count: number of times that dirty ram was synchronized (since 2.1)
#
# Since: 0.14.0
##
{ 'type': 'MigrationStats',
'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' ,
'duplicate': 'int', 'skipped': 'int', 'normal': 'int',
'normal-bytes': 'int', 'dirty-pages-rate' : 'int',
'mbps' : 'number' } }
'mbps' : 'number', 'dirty-sync-count' : 'int' } }
##
# @XBZRLECacheStats

13
qmp-commands.hx
View File

@ -2967,6 +2967,7 @@ The main json-object contains the following:
pages. This is just normal pages times size of one page,
but this way upper levels don't need to care about page
size (json-int)
- "dirty-sync-count": times that dirty ram was synchronized (json-int)
- "disk": only present if "status" is "active" and it is a block migration,
it is a json-object with the following disk information:
- "transferred": amount transferred in bytes (json-int)
@ -3004,7 +3005,8 @@ Examples:
"downtime":12345,
"duplicate":123,
"normal":123,
"normal-bytes":123456
"normal-bytes":123456,
"dirty-sync-count":15
}
}
}
@ -3029,7 +3031,8 @@ Examples:
"expected-downtime":12345,
"duplicate":123,
"normal":123,
"normal-bytes":123456
"normal-bytes":123456,
"dirty-sync-count":15
}
}
}
@ -3049,7 +3052,8 @@ Examples:
"expected-downtime":12345,
"duplicate":123,
"normal":123,
"normal-bytes":123456
"normal-bytes":123456,
"dirty-sync-count":15
},
"disk":{
"total":20971520,
@ -3075,7 +3079,8 @@ Examples:
"expected-downtime":12345,
"duplicate":10,
"normal":3333,
"normal-bytes":3412992
"normal-bytes":3412992,
"dirty-sync-count":15
},
"xbzrle-cache":{
"cache-size":67108864,