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authorChuck Lever <chuck.lever@oracle.com>2018-12-19 19:00:06 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-01-02 20:05:18 +0300
commit53b2c1cb9b3cd901a200ddbbf08c77eabf1ab3e9 (patch)
treee20a935d8b8d03f21e7d4ac47609794432bbe447 /include
parent395069fc37e7a76280b176c0327d1ead6ca29838 (diff)
downloadlinux-53b2c1cb9b3cd901a200ddbbf08c77eabf1ab3e9.tar.xz
xprtrdma: Trace mapping, alloc, and dereg failures
These are rare, but can be helpful at tracking down DMAR and other problems. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include')
-rw-r--r--include/trace/events/rpcrdma.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 3d068bba4532..ce528d5942c5 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -10,6 +10,7 @@
#if !defined(_TRACE_RPCRDMA_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RPCRDMA_H
+#include <linux/scatterlist.h>
#include <linux/tracepoint.h>
#include <trace/events/rdma.h>
@@ -663,12 +664,147 @@ DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_fastreg);
DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li);
DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_wake);
+TRACE_EVENT(xprtrdma_frwr_alloc,
+ TP_PROTO(
+ const struct rpcrdma_mr *mr,
+ int rc
+ ),
+
+ TP_ARGS(mr, rc),
+
+ TP_STRUCT__entry(
+ __field(const void *, mr)
+ __field(int, rc)
+ ),
+
+ TP_fast_assign(
+ __entry->mr = mr;
+ __entry->rc = rc;
+ ),
+
+ TP_printk("mr=%p: rc=%d",
+ __entry->mr, __entry->rc
+ )
+);
+
+TRACE_EVENT(xprtrdma_frwr_dereg,
+ TP_PROTO(
+ const struct rpcrdma_mr *mr,
+ int rc
+ ),
+
+ TP_ARGS(mr, rc),
+
+ TP_STRUCT__entry(
+ __field(const void *, mr)
+ __field(u32, handle)
+ __field(u32, length)
+ __field(u64, offset)
+ __field(u32, dir)
+ __field(int, rc)
+ ),
+
+ TP_fast_assign(
+ __entry->mr = mr;
+ __entry->handle = mr->mr_handle;
+ __entry->length = mr->mr_length;
+ __entry->offset = mr->mr_offset;
+ __entry->dir = mr->mr_dir;
+ __entry->rc = rc;
+ ),
+
+ TP_printk("mr=%p %u@0x%016llx:0x%08x (%s): rc=%d",
+ __entry->mr, __entry->length,
+ (unsigned long long)__entry->offset, __entry->handle,
+ xprtrdma_show_direction(__entry->dir),
+ __entry->rc
+ )
+);
+
+TRACE_EVENT(xprtrdma_frwr_sgerr,
+ TP_PROTO(
+ const struct rpcrdma_mr *mr,
+ int sg_nents
+ ),
+
+ TP_ARGS(mr, sg_nents),
+
+ TP_STRUCT__entry(
+ __field(const void *, mr)
+ __field(u64, addr)
+ __field(u32, dir)
+ __field(int, nents)
+ ),
+
+ TP_fast_assign(
+ __entry->mr = mr;
+ __entry->addr = mr->mr_sg->dma_address;
+ __entry->dir = mr->mr_dir;
+ __entry->nents = sg_nents;
+ ),
+
+ TP_printk("mr=%p dma addr=0x%llx (%s) sg_nents=%d",
+ __entry->mr, __entry->addr,
+ xprtrdma_show_direction(__entry->dir),
+ __entry->nents
+ )
+);
+
+TRACE_EVENT(xprtrdma_frwr_maperr,
+ TP_PROTO(
+ const struct rpcrdma_mr *mr,
+ int num_mapped
+ ),
+
+ TP_ARGS(mr, num_mapped),
+
+ TP_STRUCT__entry(
+ __field(const void *, mr)
+ __field(u64, addr)
+ __field(u32, dir)
+ __field(int, num_mapped)
+ __field(int, nents)
+ ),
+
+ TP_fast_assign(
+ __entry->mr = mr;
+ __entry->addr = mr->mr_sg->dma_address;
+ __entry->dir = mr->mr_dir;
+ __entry->num_mapped = num_mapped;
+ __entry->nents = mr->mr_nents;
+ ),
+
+ TP_printk("mr=%p dma addr=0x%llx (%s) nents=%d of %d",
+ __entry->mr, __entry->addr,
+ xprtrdma_show_direction(__entry->dir),
+ __entry->num_mapped, __entry->nents
+ )
+);
+
DEFINE_MR_EVENT(localinv);
DEFINE_MR_EVENT(map);
DEFINE_MR_EVENT(unmap);
DEFINE_MR_EVENT(remoteinv);
DEFINE_MR_EVENT(recycle);
+TRACE_EVENT(xprtrdma_dma_maperr,
+ TP_PROTO(
+ u64 addr
+ ),
+
+ TP_ARGS(addr),
+
+ TP_STRUCT__entry(
+ __field(u64, addr)
+ ),
+
+ TP_fast_assign(
+ __entry->addr = addr;
+ ),
+
+ TP_printk("dma addr=0x%llx\n", __entry->addr)
+);
+
/**
** Reply events
**/