From 98895edbe377e990e61817d00ab029c7b8b99f21 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 7 May 2018 15:27:11 -0400 Subject: svcrdma: Trace key RPC/RDMA protocol events This includes: * Transport accept and tear-down * Decisions about using Write and Reply chunks * Each RDMA segment that is handled * Whenever an RDMA_ERR is sent As a clean-up, I've standardized the order of the includes, and removed some now redundant dprintk call sites. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- include/trace/events/rpcrdma.h | 262 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 261 insertions(+), 1 deletion(-) (limited to 'include/trace/events/rpcrdma.h') diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index 50ed3f8bf534..633520ac99cd 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -1,6 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (c) 2017 Oracle. All rights reserved. + * Copyright (c) 2017, 2018 Oracle. All rights reserved. + * + * Trace point definitions for the "rpcrdma" subsystem. */ #undef TRACE_SYSTEM #define TRACE_SYSTEM rpcrdma @@ -885,6 +887,264 @@ TRACE_EVENT(xprtrdma_cb_setup, DEFINE_CB_EVENT(xprtrdma_cb_call); DEFINE_CB_EVENT(xprtrdma_cb_reply); +/** + ** Server-side RPC/RDMA events + **/ + +DECLARE_EVENT_CLASS(svcrdma_xprt_event, + TP_PROTO( + const struct svc_xprt *xprt + ), + + TP_ARGS(xprt), + + TP_STRUCT__entry( + __field(const void *, xprt) + __string(addr, xprt->xpt_remotebuf) + ), + + TP_fast_assign( + __entry->xprt = xprt; + __assign_str(addr, xprt->xpt_remotebuf); + ), + + TP_printk("xprt=%p addr=%s", + __entry->xprt, __get_str(addr) + ) +); + +#define DEFINE_XPRT_EVENT(name) \ + DEFINE_EVENT(svcrdma_xprt_event, svcrdma_xprt_##name, \ + TP_PROTO( \ + const struct svc_xprt *xprt \ + ), \ + TP_ARGS(xprt)) + +DEFINE_XPRT_EVENT(accept); +DEFINE_XPRT_EVENT(fail); +DEFINE_XPRT_EVENT(free); + +TRACE_DEFINE_ENUM(RDMA_MSG); +TRACE_DEFINE_ENUM(RDMA_NOMSG); +TRACE_DEFINE_ENUM(RDMA_MSGP); +TRACE_DEFINE_ENUM(RDMA_DONE); +TRACE_DEFINE_ENUM(RDMA_ERROR); + +#define show_rpcrdma_proc(x) \ + __print_symbolic(x, \ + { RDMA_MSG, "RDMA_MSG" }, \ + { RDMA_NOMSG, "RDMA_NOMSG" }, \ + { RDMA_MSGP, "RDMA_MSGP" }, \ + { RDMA_DONE, "RDMA_DONE" }, \ + { RDMA_ERROR, "RDMA_ERROR" }) + +TRACE_EVENT(svcrdma_decode_rqst, + TP_PROTO( + __be32 *p, + unsigned int hdrlen + ), + + TP_ARGS(p, hdrlen), + + TP_STRUCT__entry( + __field(u32, xid) + __field(u32, vers) + __field(u32, proc) + __field(u32, credits) + __field(unsigned int, hdrlen) + ), + + TP_fast_assign( + __entry->xid = be32_to_cpup(p++); + __entry->vers = be32_to_cpup(p++); + __entry->credits = be32_to_cpup(p++); + __entry->proc = be32_to_cpup(p); + __entry->hdrlen = hdrlen; + ), + + TP_printk("xid=0x%08x vers=%u credits=%u proc=%s hdrlen=%u", + __entry->xid, __entry->vers, __entry->credits, + show_rpcrdma_proc(__entry->proc), __entry->hdrlen) +); + +TRACE_EVENT(svcrdma_decode_short, + TP_PROTO( + unsigned int hdrlen + ), + + TP_ARGS(hdrlen), + + TP_STRUCT__entry( + __field(unsigned int, hdrlen) + ), + + TP_fast_assign( + __entry->hdrlen = hdrlen; + ), + + TP_printk("hdrlen=%u", __entry->hdrlen) +); + +DECLARE_EVENT_CLASS(svcrdma_badreq_event, + TP_PROTO( + __be32 *p + ), + + TP_ARGS(p), + + TP_STRUCT__entry( + __field(u32, xid) + __field(u32, vers) + __field(u32, proc) + __field(u32, credits) + ), + + TP_fast_assign( + __entry->xid = be32_to_cpup(p++); + __entry->vers = be32_to_cpup(p++); + __entry->credits = be32_to_cpup(p++); + __entry->proc = be32_to_cpup(p); + ), + + TP_printk("xid=0x%08x vers=%u credits=%u proc=%u", + __entry->xid, __entry->vers, __entry->credits, __entry->proc) +); + +#define DEFINE_BADREQ_EVENT(name) \ + DEFINE_EVENT(svcrdma_badreq_event, svcrdma_decode_##name,\ + TP_PROTO( \ + __be32 *p \ + ), \ + TP_ARGS(p)) + +DEFINE_BADREQ_EVENT(badvers); +DEFINE_BADREQ_EVENT(drop); +DEFINE_BADREQ_EVENT(badproc); +DEFINE_BADREQ_EVENT(parse); + +DECLARE_EVENT_CLASS(svcrdma_segment_event, + 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 + ) +); + +#define DEFINE_SEGMENT_EVENT(name) \ + DEFINE_EVENT(svcrdma_segment_event, svcrdma_encode_##name,\ + TP_PROTO( \ + u32 handle, \ + u32 length, \ + u64 offset \ + ), \ + TP_ARGS(handle, length, offset)) + +DEFINE_SEGMENT_EVENT(rseg); +DEFINE_SEGMENT_EVENT(wseg); + +DECLARE_EVENT_CLASS(svcrdma_chunk_event, + TP_PROTO( + u32 length + ), + + TP_ARGS(length), + + TP_STRUCT__entry( + __field(u32, length) + ), + + TP_fast_assign( + __entry->length = length; + ), + + TP_printk("length=%u", + __entry->length + ) +); + +#define DEFINE_CHUNK_EVENT(name) \ + DEFINE_EVENT(svcrdma_chunk_event, svcrdma_encode_##name,\ + TP_PROTO( \ + u32 length \ + ), \ + TP_ARGS(length)) + +DEFINE_CHUNK_EVENT(pzr); +DEFINE_CHUNK_EVENT(write); +DEFINE_CHUNK_EVENT(reply); + +TRACE_EVENT(svcrdma_encode_read, + TP_PROTO( + u32 length, + u32 position + ), + + TP_ARGS(length, position), + + TP_STRUCT__entry( + __field(u32, length) + __field(u32, position) + ), + + TP_fast_assign( + __entry->length = length; + __entry->position = position; + ), + + TP_printk("length=%u position=%u", + __entry->length, __entry->position + ) +); + +DECLARE_EVENT_CLASS(svcrdma_error_event, + TP_PROTO( + __be32 xid + ), + + TP_ARGS(xid), + + TP_STRUCT__entry( + __field(u32, xid) + ), + + TP_fast_assign( + __entry->xid = be32_to_cpu(xid); + ), + + TP_printk("xid=0x%08x", + __entry->xid + ) +); + +#define DEFINE_ERROR_EVENT(name) \ + DEFINE_EVENT(svcrdma_error_event, svcrdma_err_##name, \ + TP_PROTO( \ + __be32 xid \ + ), \ + TP_ARGS(xid)) + +DEFINE_ERROR_EVENT(vers); +DEFINE_ERROR_EVENT(chunk); + #endif /* _TRACE_RPCRDMA_H */ #include -- cgit v1.2.3-55-g7522