usb-hub: add tracepoint for status reports

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index e865a9875102632d14eac871a37bc14e205d4416..54f63c0d47b8e780d148586bb4763ba5bb748b8a 100644 (file)
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -475,6 +475,7 @@ static void usb_hub_handle_data(USBDevice *dev, USBPacket *p)
                 port->wPortChange_reported = port->wPortChange;
             }
             if (status != 0) {
+                trace_usb_hub_status_report(s->dev.addr, status);
                 for(i = 0; i < n; i++) {
                     buf[i] = status >> (8 * i);
                 }

diff --git a/trace-events b/trace-events
index f8498077f8ed2469926b23ce6a1046ff1899580a..754c28cc5114b629d88395e315eecf199f57db43 100644 (file)
--- a/trace-events
+++ b/trace-events
@@ -411,6 +411,7 @@ usb_hub_set_port_feature(int addr, int nr, const char *f) "dev %d, port %d, feat
 usb_hub_clear_port_feature(int addr, int nr, const char *f) "dev %d, port %d, feature %s"
 usb_hub_attach(int addr, int nr) "dev %d, port %d"
 usb_hub_detach(int addr, int nr) "dev %d, port %d"
+usb_hub_status_report(int addr, int status) "dev %d, status 0x%x"
 
 # hw/usb/dev-uas.c
 usb_uas_reset(int addr) "dev %d"