usb: add tracepoint for usb packet state changes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/trace-events b/trace-events
index e918ff6..c5d0f0f 100644
--- a/trace-events
+++ b/trace-events
@@ -227,6 +227,9 @@
sun4m_iommu_translate_pa(uint64_t addr, uint64_t pa, uint32_t iopte) "xlate dva %"PRIx64" => pa %"PRIx64" iopte = %x"
sun4m_iommu_bad_addr(uint64_t addr) "bad addr %"PRIx64
+# hw/usb.c
+usb_packet_state_change(int bus, const char *port, int ep, void *p, const char *o, const char *n) "bus %d, port %s, ep %d, packet %p, state %s -> %s"
+
# hw/usb-bus.c
usb_port_claim(int bus, const char *port) "bus %d, port %s"
usb_port_attach(int bus, const char *port) "bus %d, port %s"
