summaryrefslogtreecommitdiff
path: root/drivers/infiniband
diff options
context:
space:
mode:
authorMike Marciniszyn <mike.marciniszyn@intel.com>2019-06-28 21:22:39 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-06-29 04:34:26 +0300
commit8bd516bd0d53f71594340dc644f6fbc4278a8ab1 (patch)
tree147d2c01128f40901c743547d254fa3e576980cf /drivers/infiniband
parent315aed110c16ac806f25fd85eff8b34579ed101d (diff)
downloadlinux-8bd516bd0d53f71594340dc644f6fbc4278a8ab1.tar.xz
IB/rdmavt: Add trace for map_mr_sg
Add trace to debug map_mr_sg handling. Reviewed-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/sw/rdmavt/mr.c1
-rw-r--r--drivers/infiniband/sw/rdmavt/trace_mr.h36
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c
index 23ddc63cae61..a6a39f01dca3 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -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;
}
diff --git a/drivers/infiniband/sw/rdmavt/trace_mr.h b/drivers/infiniband/sw/rdmavt/trace_mr.h
index f43e477a8c91..95b8a0e3b8bd 100644
--- a/drivers/infiniband/sw/rdmavt/trace_mr.h
+++ b/drivers/infiniband/sw/rdmavt/trace_mr.h
@@ -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