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virtio-balloon: reset the statistic timer to load device

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If before loading snapshot we had set the timer of statistics, then after
applying snapshot the expiry time would be irrelevant for the restored
state of the virtual clocks. A simple fix is just to restart the timer
after loading snapshot.

For the user it may look like a long delay of statistics update after switch
to the snapshot.

Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Pavel Butsykin 2016-03-29 17:00:49 +03:00 committed by Michael S. Tsirkin
parent 3d100d0fa9
commit fecb48f744
1 changed files with 4 additions and 0 deletions
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4
hw/virtio/virtio-balloon.c
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@ -426,6 +426,10 @@ static int virtio_balloon_load_device(VirtIODevice *vdev, QEMUFile *f,
s->num_pages = qemu_get_be32(f);
s->actual = qemu_get_be32(f);
if (balloon_stats_enabled(s)) {
balloon_stats_change_timer(s, s->stats_poll_interval);
}
return 0;
}