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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-01-23 14:20:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-25 11:00:01 +0100 |
| commit | 5abdc2e6e12ff040a218dc807be4c4d9866b265f (patch) | |
| tree | 7dbdfb537589305248bc348c6d3f2c88c59de7ee /drivers/usb/host/xhci-trace.h | |
| parent | a37c3f76e6a6b5eabacb1364c2218b0daafab18a (diff) | |
| download | lwn-5abdc2e6e12ff040a218dc807be4c4d9866b265f.tar.gz lwn-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.h | 70 |
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 */ |