diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c
index 40a447bc80..85e5ed954d 100644
--- a/hw/usb-ehci.c
+++ b/hw/usb-ehci.c
@@ -604,8 +604,7 @@ static void ehci_attach(USBPort *port)
     EHCIState *s = port->opaque;
     uint32_t *portsc = &s->portsc[port->index];
 
-    DPRINTF("ehci_attach invoked for index %d, portsc 0x%x, desc %s\n",
-           port->index, *portsc, port->dev->product_desc);
+    trace_usb_ehci_port_attach(port->index, port->dev->product_desc);
 
     *portsc |= PORTSC_CONNECT;
     *portsc |= PORTSC_CSC;
@@ -625,8 +624,7 @@ static void ehci_detach(USBPort *port)
     EHCIState *s = port->opaque;
     uint32_t *portsc = &s->portsc[port->index];
 
-    DPRINTF("ehci_attach invoked for index %d, portsc 0x%x\n",
-           port->index, *portsc);
+    trace_usb_ehci_port_detach(port->index);
 
     *portsc &= ~PORTSC_CONNECT;
     *portsc |= PORTSC_CSC;
@@ -733,11 +731,11 @@ static void handle_port_status_write(EHCIState *s, int port, uint32_t val)
     *portsc &= ~rwc;
 
     if ((val & PORTSC_PRESET) && !(*portsc & PORTSC_PRESET)) {
-        DPRINTF("port_status_write: USBTRAN Port %d reset begin\n", port);
+        trace_usb_ehci_port_reset(port, 1);
     }
 
     if (!(val & PORTSC_PRESET) &&(*portsc & PORTSC_PRESET)) {
-        DPRINTF("port_status_write: USBTRAN Port %d reset done\n", port);
+        trace_usb_ehci_port_reset(port, 0);
         usb_attach(&s->ports[port], dev);
 
         // TODO how to handle reset of ports with no device
diff --git a/trace-events b/trace-events
index 2b89d0fad4..38c89399f3 100644
--- a/trace-events
+++ b/trace-events
@@ -203,6 +203,9 @@ disable usb_ehci_state(const char *schedule, const char *state) "%s schedule %s"
 disable usb_ehci_qh(uint32_t addr, uint32_t next, uint32_t c_qtd, uint32_t n_qtd, uint32_t a_qtd, int rl, int mplen, int eps, int ep, int devaddr, int c, int h, int dtc, int i) "QH @ %08x: next %08x qtds %08x,%08x,%08x - rl %d, mplen %d, eps %d, ep %d, dev %d, c %d, h %d, dtc %d, i %d"
 disable usb_ehci_qtd(uint32_t addr, uint32_t next, uint32_t altnext, int tbytes, int cpage, int cerr, int pid, int ioc, int active, int halt, int babble, int xacterr) "QH @ %08x: next %08x altnext %08x - tbytes %d, cpage %d, cerr %d, pid %d, ioc %d, active %d, halt %d, babble %d, xacterr %d"
 disable usb_ehci_itd(uint32_t addr, uint32_t next) "ITD @ %08x: next %08x"
+disable usb_ehci_port_attach(uint32_t port, const char *device) "attach port #%d - %s"
+disable usb_ehci_port_detach(uint32_t port) "detach port #%d"
+disable usb_ehci_port_reset(uint32_t port, int enable) "reset port #%d - %d"
 
 # hw/usb-desc.c
 disable usb_desc_device(int addr, int len, int ret) "dev %d query device, len %d, ret %d"