diff options
| -rw-r--r-- | hw/input/hid.c | 4 | ||||
| -rw-r--r-- | hw/input/trace-events | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/hw/input/hid.c b/hw/input/hid.c index fa9cc4c616..93887ecc43 100644 --- a/hw/input/hid.c +++ b/hw/input/hid.c @@ -256,6 +256,10 @@ static void hid_keyboard_process_keycode(HIDState *hs) slot = hs->head & QUEUE_MASK; QUEUE_INCR(hs->head); hs->n--; keycode = hs->kbd.keycodes[slot]; + if (!hs->n) { + trace_hid_kbd_queue_empty(); + } + key = keycode & 0x7f; index = key | ((hs->kbd.modifiers & (1 << 8)) >> 1); hid_code = hid_usage_keys[index]; diff --git a/hw/input/trace-events b/hw/input/trace-events index f3bfbede5c..5a87818b49 100644 --- a/hw/input/trace-events +++ b/hw/input/trace-events @@ -24,6 +24,7 @@ milkymist_softusb_pulse_irq(void) "Pulse IRQ" # hw/input/hid.c hid_kbd_queue_full(void) "queue full" +hid_kbd_queue_empty(void) "queue empty" # hw/input/virtio virtio_input_queue_full(void) "queue full" |