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| author |   Mathias Nyman <mathias.nyman@linux.intel.com> | 2019-11-15 18:50:01 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-16 10:26:05 +0100 |
| commit | 58b9d71a0f55e2514211875553dd092f74dc2cbc (patch) | |
| tree | 03716ff550793fd67da3daa5d188477355402999 /drivers/usb/host/xhci-trace.h | |
| parent | usb: host: xhci: update event ring dequeue pointer on purpose (diff) | |
| download | linux-dev-58b9d71a0f55e2514211875553dd092f74dc2cbc.tar.xz linux-dev-58b9d71a0f55e2514211875553dd092f74dc2cbc.zip | |
xhci: Add tracing for xhci doorbell register writes
Trace when a register in the doorbell array is written,
both for host controller command doorbell and device doorbells,
including for which endpoint and stream
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/1573836603-10871-3-git-send-email-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 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h index 052a269d86f2..56eb867803a6 100644 --- a/drivers/usb/host/xhci-trace.h +++ b/drivers/usb/host/xhci-trace.h @@ -560,6 +560,32 @@ DEFINE_EVENT(xhci_log_portsc, xhci_hub_status_data, TP_ARGS(portnum, portsc) ); +DECLARE_EVENT_CLASS(xhci_log_doorbell, + TP_PROTO(u32 slot, u32 doorbell), + TP_ARGS(slot, doorbell), + TP_STRUCT__entry( + __field(u32, slot) + __field(u32, doorbell) + ), + TP_fast_assign( + __entry->slot = slot; + __entry->doorbell = doorbell; + ), + TP_printk("Ring doorbell for %s", + xhci_decode_doorbell(__entry->slot, __entry->doorbell) + ) +); + +DEFINE_EVENT(xhci_log_doorbell, xhci_ring_ep_doorbell, + TP_PROTO(u32 slot, u32 doorbell), + TP_ARGS(slot, doorbell) +); + +DEFINE_EVENT(xhci_log_doorbell, xhci_ring_host_doorbell, + TP_PROTO(u32 slot, u32 doorbell), + TP_ARGS(slot, doorbell) +); + DECLARE_EVENT_CLASS(xhci_dbc_log_request, TP_PROTO(struct dbc_request *req), TP_ARGS(req), |