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authorJonathan Helman2018-03-19 23:28:49 +0100
committerMichael S. Tsirkin2018-05-23 02:14:40 +0200
commitb7b126442977dcfa5641e38b084bd13a0b366cff (patch)
tree52b08e7d20235604254f9772f7c74159825a9c06 /docs
parentallocate pci id for mdpy (diff)
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virtio-balloon: add hugetlb page allocation counts
qemu should read and report hugetlb page allocation counts exported in the following kernel patch: commit 4c3ca37c4a4394978fd0f005625f6064ed2b9a64 Author: Jonathan Helman <jonathan.helman@oracle.com> Date: Mon Mar 19 11:00:35 2018 -0700 virtio_balloon: export hugetlb page allocation counts Export the number of successful and failed hugetlb page allocations via the virtio balloon driver. These 2 counts come directly from the vm_events HTLB_BUDDY_PGALLOC and HTLB_BUDDY_PGALLOC_FAIL. Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'docs')
-rw-r--r--docs/virtio-balloon-stats.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/virtio-balloon-stats.txt b/docs/virtio-balloon-stats.txt
index 7a66d25da5..9985e1dffc 100644
--- a/docs/virtio-balloon-stats.txt
+++ b/docs/virtio-balloon-stats.txt
@@ -34,6 +34,8 @@ which will return a dictionary containing:
- stat-total-memory
- stat-available-memory
- stat-disk-caches
+ - stat-htlb-pgalloc
+ - stat-htlb-pgfail
o A key named last-update, which contains the last stats update
timestamp in seconds. Since this timestamp is generated by the host,