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[Qemu-devel] [PULL 2/8] Migration: Split out ram part of qmp_query_migra


From: Amit Shah
Subject: [Qemu-devel] [PULL 2/8] Migration: Split out ram part of qmp_query_migrate
Date: Thu, 16 Jun 2016 10:13:08 +0530

From: "Dr. David Alan Gilbert" <address@hidden>

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 <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Message-id: address@hidden
Reviwed-by: Denis V. Lunev <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Amit Shah <address@hidden>
---
 migration/migration.c | 57 ++++++++++++++++++++-------------------------------
 1 file changed, 22 insertions(+), 35 deletions(-)

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;
-- 
2.7.4




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