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virtio-rng: add some trace events

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Add some trace events to virtio-rng for easier debugging

Signed-off-by: Amit Shah <amit.shah@redhat.com>

Reviewed-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Amit Shah 2014-08-04 16:22:44 +05:30 • committed by Stefan Hajnoczi
parent 6db8b53866
commit 4ac4458076
2 changed files with 11 additions and 0 deletions
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5
trace-events
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@ -41,6 +41,11 @@ virtio_irq(void *vq) "vq %p"
virtio_notify(void *vdev, void *vq) "vdev %p vq %p"
virtio_set_status(void *vdev, uint8_t val) "vdev %p val %u"
# hw/virtio/virtio-rng.c
virtio_rng_guest_not_ready(void *rng) "rng %p: guest not ready"
virtio_rng_pushed(void *rng, size_t len) "rng %p: %zd bytes pushed"
virtio_rng_request(void *rng, size_t size, unsigned quota) "rng %p: %zd bytes requested, %u bytes quota left"
# hw/char/virtio-serial-bus.c
virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u"
virtio_serial_throttle_port(unsigned int port, bool throttle) "port %u, throttle %d"