xhci: Add busnumber to port tracing
authorMathias Nyman <mathias.nyman@linux.intel.com>
Thu, 19 Oct 2023 10:29:07 +0000 (13:29 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 21 Oct 2023 10:38:53 +0000 (12:38 +0200)
With several xhci controllers active at the same time its hard to
keep track of ports without knowing bus number

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20231019102924.2797346-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-trace.h

index 2208eda1ff279ab7ef0eb2b04741837d70702df2..ac47b1c0544a6836882970add7a7cb50ed54678f 100644 (file)
@@ -512,14 +512,17 @@ DECLARE_EVENT_CLASS(xhci_log_portsc,
                    TP_PROTO(struct xhci_port *port, u32 portsc),
                    TP_ARGS(port, portsc),
                    TP_STRUCT__entry(
+                                    __field(u32, busnum)
                                     __field(u32, portnum)
                                     __field(u32, portsc)
                                     ),
                    TP_fast_assign(
+                                  __entry->busnum = port->rhub->hcd->self.busnum;
                                   __entry->portnum = port->hcd_portnum;
                                   __entry->portsc = portsc;
                                   ),
-                   TP_printk("port-%d: %s",
+                   TP_printk("port %d-%d: %s",
+                             __entry->busnum,
                              __entry->portnum,
                              xhci_decode_portsc(__get_buf(XHCI_MSG_MAX), __entry->portsc)
                              )