diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-01 15:54:47 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-06-02 18:57:17 +0300 |
| commit | b0ac429f1346e9fa13206d748bedc9bd497a55bc (patch) | |
| tree | 49702182aaf9732f140f7f8c48384938e9304664 /hw/virtio/trace-events | |
| parent | f811f97040a48358b456b46ecbc9167f0131034f (diff) | |
virtio: add virtqueue_alloc_element tracepoint
This tracepoint can help diagnosing failures due to memory
fragmentation in the guest.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/trace-events')
| -rw-r--r-- | hw/virtio/trace-events | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 1f7a7c1ae1..e24d8fa997 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -1,6 +1,7 @@ # See docs/tracing.txt for syntax documentation. # hw/virtio/virtio.c +virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u" virtqueue_fill(void *vq, const void *elem, unsigned int len, unsigned int idx) "vq %p elem %p len %u idx %u" virtqueue_flush(void *vq, unsigned int count) "vq %p count %u" virtqueue_pop(void *vq, void *elem, unsigned int in_num, unsigned int out_num) "vq %p elem %p in_num %u out_num %u" |