diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio/virtio-rng.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c index 03fd04a1e5..e85a979754 100644 --- a/hw/virtio/virtio-rng.c +++ b/hw/virtio/virtio-rng.c @@ -16,6 +16,7 @@ #include "hw/virtio/virtio-rng.h" #include "sysemu/rng.h" #include "qom/object_interfaces.h" +#include "trace.h" static bool is_guest_ready(VirtIORNG *vrng) { @@ -24,6 +25,7 @@ static bool is_guest_ready(VirtIORNG *vrng) && (vdev->status & VIRTIO_CONFIG_S_DRIVER_OK)) { return true; } + trace_virtio_rng_guest_not_ready(vrng); return false; } @@ -62,6 +64,7 @@ static void chr_read(void *opaque, const void *buf, size_t size) offset += len; virtqueue_push(vrng->vq, &elem, len); + trace_virtio_rng_pushed(vrng, len); } virtio_notify(vdev, vrng->vq); } @@ -81,6 +84,9 @@ static void virtio_rng_process(VirtIORNG *vrng) quota = MIN((uint64_t)vrng->quota_remaining, (uint64_t)UINT32_MAX); } size = get_request_size(vrng->vq, quota); + + trace_virtio_rng_request(vrng, size, quota); + size = MIN(vrng->quota_remaining, size); if (size) { rng_backend_request_entropy(vrng->rng, size, chr_read, vrng); |