diff options
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index b54392366142..6f108b2977de 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -355,6 +355,8 @@ static inline unsigned int update_balloon_vm_stats(struct virtio_balloon *vb) { unsigned long events[NR_VM_EVENT_ITEMS]; unsigned int idx = 0; + unsigned int zid; + unsigned long stall = 0; all_vm_events(events); update_stat(vb, idx++, VIRTIO_BALLOON_S_SWAP_IN, @@ -365,6 +367,12 @@ static inline unsigned int update_balloon_vm_stats(struct virtio_balloon *vb) update_stat(vb, idx++, VIRTIO_BALLOON_S_MINFLT, events[PGFAULT]); update_stat(vb, idx++, VIRTIO_BALLOON_S_OOM_KILL, events[OOM_KILL]); + /* sum all the stall events */ + for (zid = 0; zid < MAX_NR_ZONES; zid++) + stall += events[ALLOCSTALL_NORMAL - ZONE_NORMAL + zid]; + + update_stat(vb, idx++, VIRTIO_BALLOON_S_ALLOC_STALL, stall); + #ifdef CONFIG_HUGETLB_PAGE update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGALLOC, events[HTLB_BUDDY_PGALLOC]); |