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Commit bd2abef3 authored by Chuck Lever's avatar Chuck Lever Committed by J. Bruce Fields
Browse files

svcrdma: Trace key RDMA API events 



This includes:
  * Posting on the Send and Receive queues
  * Send, Receive, Read, and Write completion
  * Connect upcalls
  * QP errors

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 98895edb

include/trace/events/rpcrdma.h

+322 −0
Original line number Original line Diff line number Diff line
@@ -1145,6 +1145,328 @@ DECLARE_EVENT_CLASS(svcrdma_error_event, 
DEFINE_ERROR_EVENT(vers);

DEFINE_ERROR_EVENT(vers);

DEFINE_ERROR_EVENT(chunk);

DEFINE_ERROR_EVENT(chunk);





/**

 ** Server-side RDMA API events

 **/



TRACE_EVENT(svcrdma_dma_map_page,

	TP_PROTO(

		const struct svcxprt_rdma *rdma,

		const void *page

	),



	TP_ARGS(rdma, page),



	TP_STRUCT__entry(

		__field(const void *, page);

		__string(device, rdma->sc_cm_id->device->name)

		__string(addr, rdma->sc_xprt.xpt_remotebuf)

	),



	TP_fast_assign(

		__entry->page = page;

		__assign_str(device, rdma->sc_cm_id->device->name);

		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);

	),



	TP_printk("addr=%s device=%s page=%p",

		__get_str(addr), __get_str(device), __entry->page

	)

);



TRACE_EVENT(svcrdma_dma_map_rwctx,

	TP_PROTO(

		const struct svcxprt_rdma *rdma,

		int status

	),



	TP_ARGS(rdma, status),



	TP_STRUCT__entry(

		__field(int, status)

		__string(device, rdma->sc_cm_id->device->name)

		__string(addr, rdma->sc_xprt.xpt_remotebuf)

	),



	TP_fast_assign(

		__entry->status = status;

		__assign_str(device, rdma->sc_cm_id->device->name);

		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);

	),



	TP_printk("addr=%s device=%s status=%d",

		__get_str(addr), __get_str(device), __entry->status

	)

);



TRACE_EVENT(svcrdma_send_failed,

	TP_PROTO(

		const struct svc_rqst *rqst,

		int status

	),



	TP_ARGS(rqst, status),



	TP_STRUCT__entry(

		__field(int, status)

		__field(u32, xid)

		__field(const void *, xprt)

		__string(addr, rqst->rq_xprt->xpt_remotebuf)

	),



	TP_fast_assign(

		__entry->status = status;

		__entry->xid = __be32_to_cpu(rqst->rq_xid);

		__entry->xprt = rqst->rq_xprt;

		__assign_str(addr, rqst->rq_xprt->xpt_remotebuf);

	),



	TP_printk("xprt=%p addr=%s xid=0x%08x status=%d",

		__entry->xprt, __get_str(addr),

		__entry->xid, __entry->status

	)

);



DECLARE_EVENT_CLASS(svcrdma_sendcomp_event,

	TP_PROTO(

		const struct ib_wc *wc

	),



	TP_ARGS(wc),



	TP_STRUCT__entry(

		__field(const void *, cqe)

		__field(unsigned int, status)

		__field(unsigned int, vendor_err)

	),



	TP_fast_assign(

		__entry->cqe = wc->wr_cqe;

		__entry->status = wc->status;

		if (wc->status)

			__entry->vendor_err = wc->vendor_err;

		else

			__entry->vendor_err = 0;

	),



	TP_printk("cqe=%p status=%s (%u/0x%x)",

		__entry->cqe, rdma_show_wc_status(__entry->status),

		__entry->status, __entry->vendor_err

	)

);



#define DEFINE_SENDCOMP_EVENT(name)					\

		DEFINE_EVENT(svcrdma_sendcomp_event, svcrdma_wc_##name,	\

				TP_PROTO(				\

					const struct ib_wc *wc		\

				),					\

				TP_ARGS(wc))



TRACE_EVENT(svcrdma_post_send,

	TP_PROTO(

		const struct ib_send_wr *wr,

		int status

	),



	TP_ARGS(wr, status),



	TP_STRUCT__entry(

		__field(const void *, cqe)

		__field(unsigned int, num_sge)

		__field(u32, inv_rkey)

		__field(int, status)

	),



	TP_fast_assign(

		__entry->cqe = wr->wr_cqe;

		__entry->num_sge = wr->num_sge;

		__entry->inv_rkey = (wr->opcode == IB_WR_SEND_WITH_INV) ?

					wr->ex.invalidate_rkey : 0;

		__entry->status = status;

	),



	TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x status=%d",

		__entry->cqe, __entry->num_sge,

		__entry->inv_rkey, __entry->status

	)

);



DEFINE_SENDCOMP_EVENT(send);



TRACE_EVENT(svcrdma_post_recv,

	TP_PROTO(

		const struct ib_recv_wr *wr,

		int status

	),



	TP_ARGS(wr, status),



	TP_STRUCT__entry(

		__field(const void *, cqe)

		__field(int, status)

	),



	TP_fast_assign(

		__entry->cqe = wr->wr_cqe;

		__entry->status = status;

	),



	TP_printk("cqe=%p status=%d",

		__entry->cqe, __entry->status

	)

);



TRACE_EVENT(svcrdma_wc_receive,

	TP_PROTO(

		const struct ib_wc *wc

	),



	TP_ARGS(wc),



	TP_STRUCT__entry(

		__field(const void *, cqe)

		__field(u32, byte_len)

		__field(unsigned int, status)

		__field(u32, vendor_err)

	),



	TP_fast_assign(

		__entry->cqe = wc->wr_cqe;

		__entry->status = wc->status;

		if (wc->status) {

			__entry->byte_len = 0;

			__entry->vendor_err = wc->vendor_err;

		} else {

			__entry->byte_len = wc->byte_len;

			__entry->vendor_err = 0;

		}

	),



	TP_printk("cqe=%p byte_len=%u status=%s (%u/0x%x)",

		__entry->cqe, __entry->byte_len,

		rdma_show_wc_status(__entry->status),

		__entry->status, __entry->vendor_err

	)

);



TRACE_EVENT(svcrdma_post_rw,

	TP_PROTO(

		const void *cqe,

		int sqecount,

		int status

	),



	TP_ARGS(cqe, sqecount, status),



	TP_STRUCT__entry(

		__field(const void *, cqe)

		__field(int, sqecount)

		__field(int, status)

	),



	TP_fast_assign(

		__entry->cqe = cqe;

		__entry->sqecount = sqecount;

		__entry->status = status;

	),



	TP_printk("cqe=%p sqecount=%d status=%d",

		__entry->cqe, __entry->sqecount, __entry->status

	)

);



DEFINE_SENDCOMP_EVENT(read);

DEFINE_SENDCOMP_EVENT(write);



TRACE_EVENT(svcrdma_cm_event,

	TP_PROTO(

		const struct rdma_cm_event *event,

		const struct sockaddr *sap

	),



	TP_ARGS(event, sap),



	TP_STRUCT__entry(

		__field(unsigned int, event)

		__field(int, status)

		__array(__u8, addr, INET6_ADDRSTRLEN + 10)

	),



	TP_fast_assign(

		__entry->event = event->event;

		__entry->status = event->status;

		snprintf(__entry->addr, sizeof(__entry->addr) - 1,

			 "%pISpc", sap);

	),



	TP_printk("addr=%s event=%s (%u/%d)",

		__entry->addr,

		rdma_show_cm_event(__entry->event),

		__entry->event, __entry->status

	)

);



TRACE_EVENT(svcrdma_qp_error,

	TP_PROTO(

		const struct ib_event *event,

		const struct sockaddr *sap

	),



	TP_ARGS(event, sap),



	TP_STRUCT__entry(

		__field(unsigned int, event)

		__string(device, event->device->name)

		__array(__u8, addr, INET6_ADDRSTRLEN + 10)

	),



	TP_fast_assign(

		__entry->event = event->event;

		__assign_str(device, event->device->name);

		snprintf(__entry->addr, sizeof(__entry->addr) - 1,

			 "%pISpc", sap);

	),



	TP_printk("addr=%s dev=%s event=%s (%u)",

		__entry->addr, __get_str(device),

		rdma_show_ib_event(__entry->event), __entry->event

	)

);



DECLARE_EVENT_CLASS(svcrdma_sendqueue_event,

	TP_PROTO(

		const struct svcxprt_rdma *rdma

	),



	TP_ARGS(rdma),



	TP_STRUCT__entry(

		__field(int, avail)

		__field(int, depth)

		__string(addr, rdma->sc_xprt.xpt_remotebuf)

	),



	TP_fast_assign(

		__entry->avail = atomic_read(&rdma->sc_sq_avail);

		__entry->depth = rdma->sc_sq_depth;

		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);

	),



	TP_printk("addr=%s sc_sq_avail=%d/%d",

		__get_str(addr), __entry->avail, __entry->depth

	)

);



#define DEFINE_SQ_EVENT(name)						\

		DEFINE_EVENT(svcrdma_sendqueue_event, svcrdma_sq_##name,\

				TP_PROTO(				\

					const struct svcxprt_rdma *rdma \

				),					\

				TP_ARGS(rdma))



DEFINE_SQ_EVENT(full);

DEFINE_SQ_EVENT(retry);



#endif /* _TRACE_RPCRDMA_H */

#endif /* _TRACE_RPCRDMA_H */





#include <trace/define_trace.h>
 
#include <trace/define_trace.h>

net/sunrpc/xprtrdma/backchannel.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -9,6 +9,7 @@ 
#include <linux/sunrpc/xprt.h>

#include <linux/sunrpc/xprt.h>

#include <linux/sunrpc/svc.h>

#include <linux/sunrpc/svc.h>

#include <linux/sunrpc/svc_xprt.h>

#include <linux/sunrpc/svc_xprt.h>

#include <linux/sunrpc/svc_rdma.h>





#include "xprt_rdma.h"

#include "xprt_rdma.h"

#include <trace/events/rpcrdma.h>

#include <trace/events/rpcrdma.h>

net/sunrpc/xprtrdma/fmr_ops.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -20,6 +20,8 @@ 
 * verb (fmr_op_unmap).

 * verb (fmr_op_unmap).

 */

 */





#include <linux/sunrpc/svc_rdma.h>



#include "xprt_rdma.h"

#include "xprt_rdma.h"

#include <trace/events/rpcrdma.h>

#include <trace/events/rpcrdma.h>

net/sunrpc/xprtrdma/frwr_ops.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -71,6 +71,7 @@ 
 */

 */





#include <linux/sunrpc/rpc_rdma.h>

#include <linux/sunrpc/rpc_rdma.h>

#include <linux/sunrpc/svc_rdma.h>





#include "xprt_rdma.h"

#include "xprt_rdma.h"

#include <trace/events/rpcrdma.h>

#include <trace/events/rpcrdma.h>

net/sunrpc/xprtrdma/rpc_rdma.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -48,6 +48,8 @@ 




#include <linux/highmem.h>

#include <linux/highmem.h>





#include <linux/sunrpc/svc_rdma.h>



#include "xprt_rdma.h"

#include "xprt_rdma.h"

#include <trace/events/rpcrdma.h>

#include <trace/events/rpcrdma.h>