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sunrpc: add new tracepoints in xprt handling code

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...so we can keep track of when calls are sent and replies received.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Jeff Layton
2014-10-28 14:24:13 -04:00
committed by Trond Myklebust
parent 860a0d9e51
commit 3705ad64f1
3 changed files with 78 additions and 2 deletions
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63
include/trace/events/sunrpc.h
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@@ -307,6 +307,69 @@ DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_reset_connection);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_close);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_shutdown);
DECLARE_EVENT_CLASS(rpc_xprt_event,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status),
TP_STRUCT__entry(
__field(__be32, xid)
__field(int, status)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__entry->xid = xid;
__entry->status = status;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=%s/%s xid=0x%x status=%d", __get_str(addr),
__get_str(port), be32_to_cpu(__entry->xid),
__entry->status)
);
DEFINE_EVENT(rpc_xprt_event, xprt_lookup_rqst,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
DEFINE_EVENT(rpc_xprt_event, xprt_transmit,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
DEFINE_EVENT(rpc_xprt_event, xprt_complete_rqst,
TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
TP_ARGS(xprt, xid, status));
TRACE_EVENT(xs_tcp_data_ready,
TP_PROTO(struct rpc_xprt *xprt, int err, unsigned int total),
TP_ARGS(xprt, err, total),
TP_STRUCT__entry(
__field(int, err)
__field(unsigned int, total)
__string(addr, xprt ? xprt->address_strings[RPC_DISPLAY_ADDR] :
"(null)")
__string(port, xprt ? xprt->address_strings[RPC_DISPLAY_PORT] :
"(null)")
),
TP_fast_assign(
__entry->err = err;
__entry->total = total;
__assign_str(addr, xprt ?
xprt->address_strings[RPC_DISPLAY_ADDR] : "(null)");
__assign_str(port, xprt ?
xprt->address_strings[RPC_DISPLAY_PORT] : "(null)");
),
TP_printk("peer=[%s]:%s err=%d total=%u", __get_str(addr),
__get_str(port), __entry->err, __entry->total)
);
TRACE_EVENT(svc_recv,
TP_PROTO(struct svc_rqst *rqst, int status),