localio_trace.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (c) 2024 Trond Myklebust <trond.myklebust@hammerspace.com>
 4 * Copyright (C) 2024 Mike Snitzer <snitzer@hammerspace.com>
 5 */
 6#undef TRACE_SYSTEM
 7#define TRACE_SYSTEM nfs_localio
 8
 9#if !defined(_TRACE_NFS_COMMON_LOCALIO_H) || defined(TRACE_HEADER_MULTI_READ)
10#define _TRACE_NFS_COMMON_LOCALIO_H
11
12#include <linux/tracepoint.h>
13
14#include <trace/misc/fs.h>
15#include <trace/misc/nfs.h>
16#include <trace/misc/sunrpc.h>
17
18DECLARE_EVENT_CLASS(nfs_local_client_event,
19		TP_PROTO(
20			const struct nfs_client *clp
21		),
22
23		TP_ARGS(clp),
24
25		TP_STRUCT__entry(
26			__field(unsigned int, protocol)
27			__string(server, clp->cl_hostname)
28		),
29
30		TP_fast_assign(
31			__entry->protocol = clp->rpc_ops->version;
32			__assign_str(server);
33		),
34
35		TP_printk(
36			"server=%s NFSv%u", __get_str(server), __entry->protocol
37		)
38);
39
40#define DEFINE_NFS_LOCAL_CLIENT_EVENT(name) \
41	DEFINE_EVENT(nfs_local_client_event, name, \
42			TP_PROTO( \
43				const struct nfs_client *clp \
44			), \
45			TP_ARGS(clp))
46
47DEFINE_NFS_LOCAL_CLIENT_EVENT(nfs_localio_enable_client);
48DEFINE_NFS_LOCAL_CLIENT_EVENT(nfs_localio_disable_client);
49
50#endif /* _TRACE_NFS_COMMON_LOCALIO_H */
51
52#undef TRACE_INCLUDE_PATH
53#define TRACE_INCLUDE_PATH .
54#define TRACE_INCLUDE_FILE localio_trace
55/* This part must be outside protection */
56#include <trace/define_trace.h>