xref: /linux/fs/lockd/trace.h (revision 5ea5880764cbb164afb17a62e76ca75dc371409d)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM lockd
4 
5 #if !defined(_TRACE_LOCKD_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_LOCKD_H
7 
8 #include <linux/tracepoint.h>
9 #include <linux/crc32.h>
10 #include <linux/nfs.h>
11 
12 #include "lockd.h"
13 
14 #ifdef CONFIG_LOCKD_V4
15 #define NLM_STATUS_LIST					\
16 	nlm_status_code(LCK_GRANTED)			\
17 	nlm_status_code(LCK_DENIED)			\
18 	nlm_status_code(LCK_DENIED_NOLOCKS)		\
19 	nlm_status_code(LCK_BLOCKED)			\
20 	nlm_status_code(LCK_DENIED_GRACE_PERIOD)	\
21 	nlm_status_code(DEADLCK)			\
22 	nlm_status_code(ROFS)				\
23 	nlm_status_code(STALE_FH)			\
24 	nlm_status_code(FBIG)				\
25 	nlm_status_code_end(FAILED)
26 #else
27 #define NLM_STATUS_LIST					\
28 	nlm_status_code(LCK_GRANTED)			\
29 	nlm_status_code(LCK_DENIED)			\
30 	nlm_status_code(LCK_DENIED_NOLOCKS)		\
31 	nlm_status_code(LCK_BLOCKED)			\
32 	nlm_status_code_end(LCK_DENIED_GRACE_PERIOD)
33 #endif
34 
35 #undef nlm_status_code
36 #undef nlm_status_code_end
37 #define nlm_status_code(x)	TRACE_DEFINE_ENUM(NLM_##x);
38 #define nlm_status_code_end(x)	TRACE_DEFINE_ENUM(NLM_##x);
39 
40 NLM_STATUS_LIST
41 
42 #undef nlm_status_code
43 #undef nlm_status_code_end
44 #define nlm_status_code(x)	{ NLM_##x, #x },
45 #define nlm_status_code_end(x)	{ NLM_##x, #x }
46 
47 #define show_nlm_status(x)	__print_symbolic(x, NLM_STATUS_LIST)
48 
49 DECLARE_EVENT_CLASS(nlmclnt_lock_event,
50 		TP_PROTO(
51 			const struct nlm_lock *lock,
52 			const struct sockaddr *addr,
53 			unsigned int addrlen,
54 			__be32 status
55 		),
56 
57 		TP_ARGS(lock, addr, addrlen, status),
58 
59 		TP_STRUCT__entry(
60 			__field(u32, oh)
61 			__field(u32, svid)
62 			__field(u32, fh)
63 			__field(unsigned long, status)
64 			__field(u64, start)
65 			__field(u64, len)
66 			__sockaddr(addr, addrlen)
67 		),
68 
69 		TP_fast_assign(
70 			__entry->oh = ~crc32_le(0xffffffff, lock->oh.data, lock->oh.len);
71 			__entry->svid = lock->svid;
72 			__entry->fh = nfs_fhandle_hash(&lock->fh);
73 			__entry->start = lock->lock_start;
74 			__entry->len = lock->lock_len;
75 			__entry->status = be32_to_cpu(status);
76 			__assign_sockaddr(addr, addr, addrlen);
77 		),
78 
79 		TP_printk(
80 			"addr=%pISpc oh=0x%08x svid=0x%08x fh=0x%08x start=%llu len=%llu status=%s",
81 			__get_sockaddr(addr), __entry->oh, __entry->svid,
82 			__entry->fh, __entry->start, __entry->len,
83 			show_nlm_status(__entry->status)
84 		)
85 );
86 
87 #define DEFINE_NLMCLNT_EVENT(name)				\
88 	DEFINE_EVENT(nlmclnt_lock_event, name,			\
89 			TP_PROTO(				\
90 				const struct nlm_lock *lock,	\
91 				const struct sockaddr *addr,	\
92 				unsigned int addrlen,		\
93 				__be32	status			\
94 			),					\
95 			TP_ARGS(lock, addr, addrlen, status))
96 
97 DEFINE_NLMCLNT_EVENT(nlmclnt_test);
98 DEFINE_NLMCLNT_EVENT(nlmclnt_lock);
99 DEFINE_NLMCLNT_EVENT(nlmclnt_unlock);
100 DEFINE_NLMCLNT_EVENT(nlmclnt_grant);
101 
102 #endif /* _TRACE_LOCKD_H */
103 
104 #undef TRACE_INCLUDE_PATH
105 #define TRACE_INCLUDE_PATH .
106 #define TRACE_INCLUDE_FILE trace
107 #include <trace/define_trace.h>
108