diff mbox series

[5/8] usb: dwc3: trace: reduce buffer usage of trace event

Message ID 20230914100302.30274-6-quic_linyyuan@quicinc.com (mailing list archive)
State Rejected
Headers show
Series usb: gadget: reduce usb gadget trace event buffer usage | expand

Commit Message

Linyu Yuan Sept. 14, 2023, 10:02 a.m. UTC 
Save u32 members into trace event ring buffer and parse it for possible
bit information.

Use DECLARE_EVENT_CLASS_PRINT_INIT() related macro for output stage.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
---
 drivers/usb/dwc3/trace.h | 99 +++++++++++++++++++++++++---------------
 1 file changed, 63 insertions(+), 36 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index d2997d17cfbe..3caac180b225 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -98,35 +98,41 @@  DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
 	TP_ARGS(ctrl)
 );
 
-DECLARE_EVENT_CLASS(dwc3_log_request,
+DECLARE_EVENT_CLASS_PRINT_INIT(dwc3_log_request,
 	TP_PROTO(struct dwc3_request *req),
 	TP_ARGS(req),
 	TP_STRUCT__entry(
-		__string(name, req->dep->name)
+		__field(u32, edw3)
 		__field(struct dwc3_request *, req)
 		__field(unsigned int, actual)
 		__field(unsigned int, length)
 		__field(int, status)
-		__field(int, zero)
-		__field(int, short_not_ok)
-		__field(int, no_interrupt)
+		__field(u32, rdw1)
 	),
 	TP_fast_assign(
-		__assign_str(name, req->dep->name);
+		__entry->edw3 = req->dep->endpoint.dw3;
 		__entry->req = req;
 		__entry->actual = req->request.actual;
 		__entry->length = req->request.length;
 		__entry->status = req->request.status;
-		__entry->zero = req->request.zero;
-		__entry->short_not_ok = req->request.short_not_ok;
-		__entry->no_interrupt = req->request.no_interrupt;
+		__entry->rdw1 = req->request.dw1;
 	),
 	TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
-		__get_str(name), __entry->req, __entry->actual, __entry->length,
-		__entry->zero ? "Z" : "z",
-		__entry->short_not_ok ? "S" : "s",
-		__entry->no_interrupt ? "i" : "I",
+		__s, __entry->req, __entry->actual, __entry->length,
+		tr.zero ? "Z" : "z",
+		tr.short_not_ok ? "S" : "s",
+		tr.no_interrupt ? "i" : "I",
 		__entry->status
+	),
+	TP_printk_init(
+		struct usb_ep te;
+		struct usb_request tr;
+		char __s[9];
+		te.dw3 = __entry->edw3;
+		tr.dw1 = __entry->rdw1;
+		snprintf(__s, 9, "ep%d%s", te.address, \
+			(te.caps.dir_in && te.caps.dir_out) ? "" : \
+			te.caps.dir_in ? "in" : "out");
 	)
 );
 
@@ -180,12 +186,12 @@  DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
 	TP_ARGS(cmd, param, status)
 );
 
-DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
+DECLARE_EVENT_CLASS_PRINT_INIT(dwc3_log_gadget_ep_cmd,
 	TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
 		struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
 	TP_ARGS(dep, cmd, params, cmd_status),
 	TP_STRUCT__entry(
-		__string(name, dep->name)
+		__field(u32, edw3)
 		__field(unsigned int, cmd)
 		__field(u32, param0)
 		__field(u32, param1)
@@ -193,7 +199,7 @@  DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
 		__field(int, cmd_status)
 	),
 	TP_fast_assign(
-		__assign_str(name, dep->name);
+		__entry->edw3 = dep->endpoint.dw3;
 		__entry->cmd = cmd;
 		__entry->param0 = params->param0;
 		__entry->param1 = params->param1;
@@ -201,10 +207,18 @@  DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
 		__entry->cmd_status = cmd_status;
 	),
 	TP_printk("%s: cmd '%s' [%x] params %08x %08x %08x --> status: %s",
-		__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
+		__s, dwc3_gadget_ep_cmd_string(__entry->cmd),
 		__entry->cmd, __entry->param0,
 		__entry->param1, __entry->param2,
 		dwc3_ep_cmd_status_string(__entry->cmd_status)
+	),
+	TP_printk_init(
+		struct usb_ep te;
+		char __s[9];
+		te.dw3 = __entry->edw3;
+		snprintf(__s, 9, "ep%d%s", te.address, \
+			(te.caps.dir_in && te.caps.dir_out) ? "" : \
+			te.caps.dir_in ? "in" : "out");
 	)
 );
 
@@ -214,11 +228,11 @@  DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
 	TP_ARGS(dep, cmd, params, cmd_status)
 );
 
-DECLARE_EVENT_CLASS(dwc3_log_trb,
+DECLARE_EVENT_CLASS_PRINT_INIT(dwc3_log_trb,
 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 	TP_ARGS(dep, trb),
 	TP_STRUCT__entry(
-		__string(name, dep->name)
+		__field(u32, edw3)
 		__field(struct dwc3_trb *, trb)
 		__field(u32, bpl)
 		__field(u32, bph)
@@ -229,7 +243,7 @@  DECLARE_EVENT_CLASS(dwc3_log_trb,
 		__field(u32, dequeue)
 	),
 	TP_fast_assign(
-		__assign_str(name, dep->name);
+		__entry->edw3 = dep->endpoint.dw3;
 		__entry->trb = trb;
 		__entry->bpl = trb->bpl;
 		__entry->bph = trb->bph;
@@ -240,7 +254,7 @@  DECLARE_EVENT_CLASS(dwc3_log_trb,
 		__entry->dequeue = dep->trb_dequeue;
 	),
 	TP_printk("%s: trb %p (E%d:D%d) buf %08x%08x size %s%d ctrl %08x sofn %08x (%c%c%c%c:%c%c:%s)",
-		__get_str(name), __entry->trb, __entry->enqueue,
+		__s, __entry->trb, __entry->enqueue,
 		__entry->dequeue, __entry->bph, __entry->bpl,
 		({char *s;
 		int pcm = ((__entry->size >> 24) & 3) + 1;
@@ -272,7 +286,14 @@  DECLARE_EVENT_CLASS(dwc3_log_trb,
 		__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
 		__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
 		__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
-		  dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))
+		dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))),
+	TP_printk_init(
+		struct usb_ep te;
+		char __s[9];
+		te.dw3 = __entry->edw3;
+		snprintf(__s, 9, "ep%d%s", te.address, \
+			(te.caps.dir_in && te.caps.dir_out) ? "" : \
+			te.caps.dir_in ? "in" : "out");
 	)
 );
 
@@ -286,35 +307,31 @@  DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
 	TP_ARGS(dep, trb)
 );
 
-DECLARE_EVENT_CLASS(dwc3_log_ep,
+DECLARE_EVENT_CLASS_PRINT_INIT(dwc3_log_ep,
 	TP_PROTO(struct dwc3_ep *dep),
 	TP_ARGS(dep),
 	TP_STRUCT__entry(
-		__string(name, dep->name)
-		__field(unsigned int, maxpacket)
-		__field(unsigned int, maxpacket_limit)
-		__field(unsigned int, max_streams)
-		__field(unsigned int, maxburst)
+		__field(u32, edw3)
+		__field(u32, edw1)
+		__field(u32, edw2)
 		__field(unsigned int, flags)
 		__field(unsigned int, direction)
 		__field(u8, trb_enqueue)
 		__field(u8, trb_dequeue)
 	),
 	TP_fast_assign(
-		__assign_str(name, dep->name);
-		__entry->maxpacket = dep->endpoint.maxpacket;
-		__entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
-		__entry->max_streams = dep->endpoint.max_streams;
-		__entry->maxburst = dep->endpoint.maxburst;
+		__entry->edw3 = dep->endpoint.dw3;
+		__entry->edw1 = dep->endpoint.dw1;
+		__entry->edw2 = dep->endpoint.dw2;
 		__entry->flags = dep->flags;
 		__entry->direction = dep->direction;
 		__entry->trb_enqueue = dep->trb_enqueue;
 		__entry->trb_dequeue = dep->trb_dequeue;
 	),
 	TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c",
-		__get_str(name), __entry->maxpacket,
-		__entry->maxpacket_limit, __entry->max_streams,
-		__entry->maxburst, __entry->trb_enqueue,
+		__s, te.maxpacket,
+		te.maxpacket_limit, te.max_streams,
+		te.maxburst, __entry->trb_enqueue,
 		__entry->trb_dequeue,
 		__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
 		__entry->flags & DWC3_EP_STALL ? 'S' : 's',
@@ -322,6 +339,16 @@  DECLARE_EVENT_CLASS(dwc3_log_ep,
 		__entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
 		__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
 		__entry->direction ? '<' : '>'
+	),
+	TP_printk_init(
+		struct usb_ep te;
+		char __s[9];
+		te.dw1 = __entry->edw1;
+		te.dw2 = __entry->edw2;
+		te.dw3 = __entry->edw3;
+		snprintf(__s, 9, "ep%d%s", te.address, \
+			(te.caps.dir_in && te.caps.dir_out) ? "" : \
+			te.caps.dir_in ? "in" : "out");
 	)
 );