[Qemu-devel] [PATCH 29/31] ram: Remove dirty_bytes_rate

[Juan Quintela]

It can be recalculated from dirty_pages_rate.

Signed-off-by: Juan Quintela <address@hidden>
---
 include/migration/migration.h | 1 -
 migration/migration.c         | 5 ++---
 migration/ram.c               | 1 -
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/migration/migration.h b/include/migration/migration.h
index 54a1a4f..42b9edf 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -167,7 +167,6 @@ struct MigrationState
     int64_t downtime;
     int64_t expected_downtime;
     int64_t dirty_pages_rate;
-    int64_t dirty_bytes_rate;
     bool enabled_capabilities[MIGRATION_CAPABILITY__MAX];
     int64_t xbzrle_cache_size;
     int64_t setup_time;
diff --git a/migration/migration.c b/migration/migration.c
index 09d02be..2f8c440 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1107,7 +1107,6 @@ MigrationState *migrate_init(const MigrationParams 
*params)
     s->downtime = 0;
     s->expected_downtime = 0;
     s->dirty_pages_rate = 0;
-    s->dirty_bytes_rate = 0;
     s->setup_time = 0;
     s->start_postcopy = false;
     s->postcopy_after_devices = false;
@@ -1999,8 +1998,8 @@ static void *migration_thread(void *opaque)
                                       bandwidth, max_size);
             /* if we haven't sent anything, we don't want to recalculate
                10000 is a small enough number for our purposes */
-            if (s->dirty_bytes_rate && transferred_bytes > 10000) {
-                s->expected_downtime = s->dirty_bytes_rate / bandwidth;
+            if (s->dirty_pages_rate && transferred_bytes > 10000) {
+                s->expected_downtime = s->dirty_pages_rate * (1ul << 
qemu_target_page_bits())/ bandwidth;
             }
 
             qemu_file_reset_rate_limit(s->to_dst_file);
diff --git a/migration/ram.c b/migration/ram.c
index 4563e3d..1006e60 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -687,7 +687,6 @@ static void migration_bitmap_sync(RAMState *rs)
         }
         s->dirty_pages_rate = rs->num_dirty_pages_period * 1000
             / (end_time - rs->start_time);
-        s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE;
         rs->start_time = end_time;
         rs->num_dirty_pages_period = 0;
     }
-- 
2.9.3