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[v6,2/6] Migration: Split out ram part of qmp_query_migrate

Message ID 1465816605-29488-3-git-send-email-dgilbert@redhat.com
State New
Headers show

Commit Message

Dr. David Alan Gilbert June 13, 2016, 11:16 a.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

The RAM section of qmp_query_migrate is reasonably complex
and repeated 3 times.  Split it out into a helper.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviwed-by: Denis V. Lunev <den@openvz.org>
---
 migration/migration.c | 57 ++++++++++++++++++++-------------------------------
 1 file changed, 22 insertions(+), 35 deletions(-)
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Patch

diff --git a/migration/migration.c b/migration/migration.c
index 7ecbade..1954987 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -602,6 +602,25 @@  static void get_xbzrle_cache_stats(MigrationInfo *info)
     }
 }
 
+static void populate_ram_info(MigrationInfo *info, MigrationState *s)
+{
+    info->has_ram = true;
+    info->ram = g_malloc0(sizeof(*info->ram));
+    info->ram->transferred = ram_bytes_transferred();
+    info->ram->total = ram_bytes_total();
+    info->ram->duplicate = dup_mig_pages_transferred();
+    info->ram->skipped = skipped_mig_pages_transferred();
+    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;
+
+    if (s->state != MIGRATION_STATUS_COMPLETED) {
+        info->ram->remaining = ram_bytes_remaining();
+        info->ram->dirty_pages_rate = s->dirty_pages_rate;
+    }
+}
+
 MigrationInfo *qmp_query_migrate(Error **errp)
 {
     MigrationInfo *info = g_malloc0(sizeof(*info));
@@ -626,18 +645,7 @@  MigrationInfo *qmp_query_migrate(Error **errp)
         info->has_setup_time = true;
         info->setup_time = s->setup_time;
 
-        info->has_ram = true;
-        info->ram = g_malloc0(sizeof(*info->ram));
-        info->ram->transferred = ram_bytes_transferred();
-        info->ram->remaining = ram_bytes_remaining();
-        info->ram->total = ram_bytes_total();
-        info->ram->duplicate = dup_mig_pages_transferred();
-        info->ram->skipped = skipped_mig_pages_transferred();
-        info->ram->normal = norm_mig_pages_transferred();
-        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;
+        populate_ram_info(info, s);
 
         if (blk_mig_active()) {
             info->has_disk = true;
@@ -665,18 +673,7 @@  MigrationInfo *qmp_query_migrate(Error **errp)
         info->has_setup_time = true;
         info->setup_time = s->setup_time;
 
-        info->has_ram = true;
-        info->ram = g_malloc0(sizeof(*info->ram));
-        info->ram->transferred = ram_bytes_transferred();
-        info->ram->remaining = ram_bytes_remaining();
-        info->ram->total = ram_bytes_total();
-        info->ram->duplicate = dup_mig_pages_transferred();
-        info->ram->skipped = skipped_mig_pages_transferred();
-        info->ram->normal = norm_mig_pages_transferred();
-        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;
+        populate_ram_info(info, s);
 
         if (blk_mig_active()) {
             info->has_disk = true;
@@ -699,17 +696,7 @@  MigrationInfo *qmp_query_migrate(Error **errp)
         info->has_setup_time = true;
         info->setup_time = s->setup_time;
 
-        info->has_ram = true;
-        info->ram = g_malloc0(sizeof(*info->ram));
-        info->ram->transferred = ram_bytes_transferred();
-        info->ram->remaining = 0;
-        info->ram->total = ram_bytes_total();
-        info->ram->duplicate = dup_mig_pages_transferred();
-        info->ram->skipped = skipped_mig_pages_transferred();
-        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;
+        populate_ram_info(info, s);
         break;
     case MIGRATION_STATUS_FAILED:
         info->has_status = true;