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xprtrdma: Add trace points in reply decoder path

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This includes decoding Write and Reply chunks, and fixing up inline
payloads.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2017-12-20 16:31:04 -05:00
committed by Anna Schumaker
parent 58f10ad40d
commit e11b7c9655
2 changed files with 102 additions and 20 deletions
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93
include/trace/events/rpcrdma.h
View File

@@ -453,6 +453,99 @@ DEFINE_REPLY_EVENT(xprtrdma_reply_rqst);
DEFINE_REPLY_EVENT(xprtrdma_reply_short);
DEFINE_REPLY_EVENT(xprtrdma_reply_hdr);
TRACE_EVENT(xprtrdma_fixup,
TP_PROTO(
const struct rpc_rqst *rqst,
int len,
int hdrlen
),
TP_ARGS(rqst, len, hdrlen),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(const void *, base)
__field(int, len)
__field(int, hdrlen)
),
TP_fast_assign(
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->base = rqst->rq_rcv_buf.head[0].iov_base;
__entry->len = len;
__entry->hdrlen = hdrlen;
),
TP_printk("task:%u@%u base=%p len=%d hdrlen=%d",
__entry->task_id, __entry->client_id,
__entry->base, __entry->len, __entry->hdrlen
)
);
TRACE_EVENT(xprtrdma_fixup_pg,
TP_PROTO(
const struct rpc_rqst *rqst,
int pageno,
const void *pos,
int len,
int curlen
),
TP_ARGS(rqst, pageno, pos, len, curlen),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(const void *, pos)
__field(int, pageno)
__field(int, len)
__field(int, curlen)
),
TP_fast_assign(
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->pos = pos;
__entry->pageno = pageno;
__entry->len = len;
__entry->curlen = curlen;
),
TP_printk("task:%u@%u pageno=%d pos=%p len=%d curlen=%d",
__entry->task_id, __entry->client_id,
__entry->pageno, __entry->pos, __entry->len, __entry->curlen
)
);
TRACE_EVENT(xprtrdma_decode_seg,
TP_PROTO(
u32 handle,
u32 length,
u64 offset
),
TP_ARGS(handle, length, offset),
TP_STRUCT__entry(
__field(u32, handle)
__field(u32, length)
__field(u64, offset)
),
TP_fast_assign(
__entry->handle = handle;
__entry->length = length;
__entry->offset = offset;
),
TP_printk("%u@0x%016llx:0x%08x",
__entry->length, (unsigned long long)__entry->offset,
__entry->handle
)
);
#endif /* _TRACE_RPCRDMA_H */
#include <trace/define_trace.h>