If colo-compare find out the first different packet that means the following packet almost is different. we needn't do a lot of checkpoint in one second, so we set the no-need-checkpoint period, default just set 3 second.
Signed-off-by: Zhang Chen <zhangchen.f...@cn.fujitsu.com> --- net/colo-compare.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index 6d500e1..8fb1c9c 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -39,6 +39,8 @@ /* TODO: Should be configurable */ #define REGULAR_PACKET_CHECK_MS 3000 +/* TODO: Should be configurable */ +#define CHECKPOINT_MIN_TIME 3000 /* + CompareState ++ @@ -455,6 +457,7 @@ static void colo_compare_connection(void *opaque, void *user_data) Packet *pkt = NULL; GList *result = NULL; int ret; + static int64_t checkpoint_time_ms; while (!g_queue_is_empty(&conn->primary_list) && !g_queue_is_empty(&conn->secondary_list)) { @@ -494,7 +497,11 @@ static void colo_compare_connection(void *opaque, void *user_data) */ trace_colo_compare_main("packet different"); g_queue_push_tail(&conn->primary_list, pkt); - /* TODO: colo_notify_checkpoint();*/ + + if (pkt->creation_ms - checkpoint_time_ms > CHECKPOINT_MIN_TIME) { + /* TODO: colo_notify_checkpoint();*/ + checkpoint_time_ms = pkt->creation_ms; + } break; } } -- 2.7.4