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| author | ChenLiang <chenliang88@huawei.com> | 2014-03-20 20:15:03 +0800 |
|---|---|---|
| committer | Amit Shah <amit.shah@redhat.com> | 2014-11-20 18:17:22 +0530 |
| commit | 6c1b663c4c3725bc4bc33f78ed266ddef80a2ca8 (patch) | |
| tree | c8330e51c4044d2c1545d3274d3817423895b2fb /arch_init.c | |
| parent | af3ff19b48f0bbf3a8bd35c47460358e8c6ae5e5 (diff) | |
| download | qemu-6c1b663c4c3725bc4bc33f78ed266ddef80a2ca8.zip | |
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: ChenLiang <chenliang88@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'arch_init.c')
| -rw-r--r-- | arch_init.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch_init.c b/arch_init.c index 593a990b6d..7680d28be4 100644 --- a/arch_init.c +++ b/arch_init.c @@ -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(); |