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Commit 8bd516bd authored by Mike Marciniszyn's avatar Mike Marciniszyn Committed by Jason Gunthorpe
Browse files

IB/rdmavt: Add trace for map_mr_sg 



Add trace to debug map_mr_sg handling.

Reviewed-by: default avatarKaike Wan <kaike.wan@intel.com>
Signed-off-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 315aed11

drivers/infiniband/sw/rdmavt/mr.c

+1 −0
Original line number Diff line number Diff line
@@ -642,6 +642,7 @@ int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, 
	mr->mr.iova = ibmr->iova;

	mr->mr.offset = ibmr->iova - (u64)mr->mr.map[0]->segs[0].vaddr;

	mr->mr.length = (size_t)ibmr->length;

	trace_rvt_map_mr_sg(ibmr, sg_nents, sg_offset);

	return ret;

}

drivers/infiniband/sw/rdmavt/trace_mr.h

+36 −0
Original line number Diff line number Diff line
@@ -54,6 +54,8 @@ 
#include <rdma/rdma_vt.h>

#include <rdma/rdmavt_mr.h>



#include "mr.h"



#undef TRACE_SYSTEM

#define TRACE_SYSTEM rvt_mr

DECLARE_EVENT_CLASS(
@@ -179,6 +181,40 @@ DEFINE_EVENT( 
	TP_PROTO(struct rvt_sge *sge, struct ib_sge *isge),

	TP_ARGS(sge, isge));



TRACE_EVENT(

	rvt_map_mr_sg,

	TP_PROTO(struct ib_mr *ibmr, int sg_nents, unsigned int *sg_offset),

	TP_ARGS(ibmr, sg_nents, sg_offset),

	TP_STRUCT__entry(

		RDI_DEV_ENTRY(ib_to_rvt(to_imr(ibmr)->mr.pd->device))

		__field(u64, iova)

		__field(u64, ibmr_iova)

		__field(u64, user_base)

		__field(u64, ibmr_length)

		__field(int, sg_nents)

		__field(uint, sg_offset)

	),

	TP_fast_assign(

		RDI_DEV_ASSIGN(ib_to_rvt(to_imr(ibmr)->mr.pd->device))

		__entry->ibmr_iova = ibmr->iova;

		__entry->iova = to_imr(ibmr)->mr.iova;

		__entry->user_base = to_imr(ibmr)->mr.user_base;

		__entry->ibmr_length = to_imr(ibmr)->mr.length;

		__entry->sg_nents = sg_nents;

		__entry->sg_offset = sg_offset ? *sg_offset : 0;

	),

	TP_printk(

		"[%s] ibmr_iova %llx iova %llx user_base %llx length %llx sg_nents %d sg_offset %u",

		__get_str(dev),

		__entry->ibmr_iova,

		__entry->iova,

		__entry->user_base,

		__entry->ibmr_length,

		__entry->sg_nents,

		__entry->sg_offset

	)

);



#endif /* __RVT_TRACE_MR_H */



#undef TRACE_INCLUDE_PATH