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[Qemu-devel] [PULL 06/15] virtio-balloon: reset the statistic timer to l

From: Michael S. Tsirkin
Subject: [Qemu-devel] [PULL 06/15] virtio-balloon: reset the statistic timer to load device
Date: Fri, 8 Apr 2016 11:02:24 +0300

From: Pavel Butsykin <address@hidden>

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 <address@hidden>
Reviewed-by: Roman Kagan <address@hidden>
Signed-off-by: Denis V. Lunev <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
 hw/virtio/virtio-balloon.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 22ad25c..c74101e 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -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;

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