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migration/colo: More accurate update checkpoint time 

Previous operation(like vm_start and replication_start_all) will consume
extra time before update the timer, so reduce time in this patch.

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Zhang Chen 2021-11-11 01:41:56 +08:00 committed by Juan Quintela
parent 672159a97c
commit 0e0f0479e2
1 changed files with 2 additions and 3 deletions
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5
migration/colo.c
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@ -530,7 +530,6 @@ static void colo_process_checkpoint(MigrationState *s)
{ {
QIOChannelBuffer *bioc; QIOChannelBuffer *bioc;
QEMUFile *fb = NULL; QEMUFile *fb = NULL;
int64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_HOST);
Error *local_err = NULL; Error *local_err = NULL;
int ret; int ret;
@ -578,8 +577,8 @@ static void colo_process_checkpoint(MigrationState *s)
qemu_mutex_unlock_iothread(); qemu_mutex_unlock_iothread();
trace_colo_vm_state_change("stop", "run"); trace_colo_vm_state_change("stop", "run");
timer_mod(s->colo_delay_timer, timer_mod(s->colo_delay_timer, qemu_clock_get_ms(QEMU_CLOCK_HOST) +
current_time + s->parameters.x_checkpoint_delay); s->parameters.x_checkpoint_delay);
while (s->state == MIGRATION_STATUS_COLO) { while (s->state == MIGRATION_STATUS_COLO) {
if (failover_get_state() != FAILOVER_STATUS_NONE) { if (failover_get_state() != FAILOVER_STATUS_NONE) {