Commit 6c1b663c authored by ChenLiang's avatar ChenLiang Committed by Amit Shah

migration: static variables will not be reset at second migration

The static variables in migration_bitmap_sync will not be reset in
the case of a second attempted migration.
Signed-off-by: default avatarChenLiang <chenliang88@huawei.com>
Signed-off-by: default avatarGonglei <arei.gonglei@huawei.com>
Reviewed-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: default avatarAmit Shah <amit.shah@redhat.com>
parent af3ff19b
......@@ -486,15 +486,23 @@ static void migration_bitmap_sync_range(ram_addr_t start, ram_addr_t length)
/* Needs iothread lock! */
/* Fix me: there are too many global variables used in migration process. */
static int64_t start_time;
static int64_t bytes_xfer_prev;
static int64_t num_dirty_pages_period;
static void migration_bitmap_sync_init(void)
{
start_time = 0;
bytes_xfer_prev = 0;
num_dirty_pages_period = 0;
}
static void migration_bitmap_sync(void)
{
RAMBlock *block;
uint64_t num_dirty_pages_init = migration_dirty_pages;
MigrationState *s = migrate_get_current();
static int64_t start_time;
static int64_t bytes_xfer_prev;
static int64_t num_dirty_pages_period;
int64_t end_time;
int64_t bytes_xfer_now;
static uint64_t xbzrle_cache_miss_prev;
......@@ -774,6 +782,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
mig_throttle_on = false;
dirty_rate_high_cnt = 0;
bitmap_sync_count = 0;
migration_bitmap_sync_init();
if (migrate_use_xbzrle()) {
XBZRLE_cache_lock();
......
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