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| author | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2011-09-13 13:34:37 +0100 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-09-17 15:14:24 +0000 |
| commit | 4e1837f855b88fdced2941b17509e13b0c8fa518 (patch) | |
| tree | 55a661085c835405fed67c2d2731b62417d8addf /trace-events | |
| parent | 689d7e2fadb27d696528eb1f86eb3e3e19e07761 (diff) | |
| download | qemu-4e1837f855b88fdced2941b17509e13b0c8fa518.tar.gz | |
trace: add virtio_set_status() trace event
The virtio device lifecycle can be observed by looking at the sequence
of set status operations. This is especially important for catching the
reset operation (status value 0), which resets the device and all
virtqueues.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'trace-events')
| -rw-r--r-- | trace-events | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/trace-events b/trace-events index 84b5a88fd4..829dc927cf 100644 --- a/trace-events +++ b/trace-events @@ -42,6 +42,7 @@ virtqueue_pop(void *vq, void *elem, unsigned int in_num, unsigned int out_num) " virtio_queue_notify(void *vdev, int n, void *vq) "vdev %p n %d vq %p" 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-serial-bus.c virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u" |