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authorFelipe Balbi <felipe.balbi@linux.intel.com>2017-01-23 13:20:20 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-25 11:00:01 +0100
commit5abdc2e6e12ff040a218dc807be4c4d9866b265f (patch)
tree7dbdfb537589305248bc348c6d3f2c88c59de7ee /drivers/usb/host/xhci-trace.h
parentusb: host: xhci: make a generic TRB tracer (diff)
downloadlinux-5abdc2e6e12ff040a218dc807be4c4d9866b265f.tar.xz
linux-5abdc2e6e12ff040a218dc807be4c4d9866b265f.zip
usb: host: xhci: add urb_enqueue/dequeue/giveback tracers
These three new tracers will help us tie TRBs into URBs by *also* looking into URB lifetime. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-trace.h')
-rw-r--r--drivers/usb/host/xhci-trace.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index d01524b9fb14..4bad0d6d2c8a 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -158,6 +158,76 @@ DEFINE_EVENT(xhci_log_trb, xhci_queue_trb,
TP_ARGS(ring, trb)
);
+DECLARE_EVENT_CLASS(xhci_log_urb,
+ TP_PROTO(struct urb *urb),
+ TP_ARGS(urb),
+ TP_STRUCT__entry(
+ __field(void *, urb)
+ __field(unsigned int, pipe)
+ __field(unsigned int, stream)
+ __field(int, status)
+ __field(unsigned int, flags)
+ __field(int, num_mapped_sgs)
+ __field(int, num_sgs)
+ __field(int, length)
+ __field(int, actual)
+ __field(int, epnum)
+ __field(int, dir_in)
+ __field(int, type)
+ ),
+ TP_fast_assign(
+ __entry->urb = urb;
+ __entry->pipe = urb->pipe;
+ __entry->stream = urb->stream_id;
+ __entry->status = urb->status;
+ __entry->flags = urb->transfer_flags;
+ __entry->num_mapped_sgs = urb->num_mapped_sgs;
+ __entry->num_sgs = urb->num_sgs;
+ __entry->length = urb->transfer_buffer_length;
+ __entry->actual = urb->actual_length;
+ __entry->epnum = usb_endpoint_num(&urb->ep->desc);
+ __entry->dir_in = usb_endpoint_dir_in(&urb->ep->desc);
+ __entry->type = usb_endpoint_type(&urb->ep->desc);
+ ),
+ TP_printk("ep%d%s-%s: urb %p pipe %u length %d/%d sgs %d/%d stream %d flags %08x",
+ __entry->epnum, __entry->dir_in ? "in" : "out",
+ ({ char *s;
+ switch (__entry->type) {
+ case USB_ENDPOINT_XFER_INT:
+ s = "intr";
+ break;
+ case USB_ENDPOINT_XFER_CONTROL:
+ s = "control";
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ s = "bulk";
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ s = "isoc";
+ break;
+ default:
+ s = "UNKNOWN";
+ } s; }), __entry->urb, __entry->pipe, __entry->actual,
+ __entry->length, __entry->num_mapped_sgs,
+ __entry->num_sgs, __entry->stream, __entry->flags
+ )
+);
+
+DEFINE_EVENT(xhci_log_urb, xhci_urb_enqueue,
+ TP_PROTO(struct urb *urb),
+ TP_ARGS(urb)
+);
+
+DEFINE_EVENT(xhci_log_urb, xhci_urb_giveback,
+ TP_PROTO(struct urb *urb),
+ TP_ARGS(urb)
+);
+
+DEFINE_EVENT(xhci_log_urb, xhci_urb_dequeue,
+ TP_PROTO(struct urb *urb),
+ TP_ARGS(urb)
+);
+
#endif /* __XHCI_TRACE_H */
/* this part must be outside header guard */