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Diffstat (limited to 'hw/virtio/virtio-rng.c')
-rw-r--r--hw/virtio/virtio-rng.c6
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);