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a1d477c2 MA |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
cb709642 BL |
22 | #if defined(_KERNEL) |
23 | #if defined(HAVE_DECLARE_EVENT_CLASS) | |
24 | ||
25 | /* | |
26 | * If tracepoints are available define dtrace_probe events for vdev | |
27 | * related probes. Definitions in usr/include/trace.h will map | |
28 | * DTRACE_PROBE* calls to tracepoints. | |
29 | */ | |
a1d477c2 MA |
30 | |
31 | #undef TRACE_SYSTEM | |
32 | #define TRACE_SYSTEM zfs | |
33 | ||
34 | #undef TRACE_SYSTEM_VAR | |
35 | #define TRACE_SYSTEM_VAR zfs_vdev | |
36 | ||
37 | #if !defined(_TRACE_VDEV_H) || defined(TRACE_HEADER_MULTI_READ) | |
38 | #define _TRACE_VDEV_H | |
39 | ||
40 | #include <linux/tracepoint.h> | |
41 | #include <sys/types.h> | |
42 | ||
43 | /* | |
44 | * Generic support for three argument tracepoints of the form: | |
45 | * | |
46 | * DTRACE_PROBE3(..., | |
47 | * spa_t *, ..., | |
48 | * uint64_t, ..., | |
49 | * uint64_t, ...); | |
50 | */ | |
51 | /* BEGIN CSTYLED */ | |
52 | DECLARE_EVENT_CLASS(zfs_removing_class_3, | |
53 | TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size), | |
54 | TP_ARGS(spa, offset, size), | |
55 | TP_STRUCT__entry( | |
56 | __field(spa_t *, vdev_spa) | |
57 | __field(uint64_t, vdev_offset) | |
58 | __field(uint64_t, vdev_size) | |
59 | ), | |
60 | TP_fast_assign( | |
61 | __entry->vdev_spa = spa; | |
62 | __entry->vdev_offset = offset; | |
63 | __entry->vdev_size = size; | |
64 | ), | |
65 | TP_printk("spa %p offset %llu size %llu", | |
66 | __entry->vdev_spa, __entry->vdev_offset, | |
67 | __entry->vdev_size) | |
68 | ); | |
69 | /* END CSTYLED */ | |
70 | ||
71 | /* BEGIN CSTYLED */ | |
72 | #define DEFINE_REMOVE_FREE_EVENT(name) \ | |
73 | DEFINE_EVENT(zfs_removing_class_3, name, \ | |
74 | TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size), \ | |
75 | TP_ARGS(spa, offset, size)) | |
76 | /* END CSTYLED */ | |
77 | DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__synced); | |
78 | DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__unvisited); | |
79 | ||
80 | /* | |
81 | * Generic support for four argument tracepoints of the form: | |
82 | * | |
83 | * DTRACE_PROBE4(..., | |
84 | * spa_t *, ..., | |
85 | * uint64_t, ..., | |
86 | * uint64_t, ..., | |
87 | * uint64_t, ...); | |
88 | */ | |
89 | /* BEGIN CSTYLED */ | |
90 | DECLARE_EVENT_CLASS(zfs_removing_class_4, | |
91 | TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size, uint64_t txg), | |
92 | TP_ARGS(spa, offset, size, txg), | |
93 | TP_STRUCT__entry( | |
94 | __field(spa_t *, vdev_spa) | |
95 | __field(uint64_t, vdev_offset) | |
96 | __field(uint64_t, vdev_size) | |
97 | __field(uint64_t, vdev_txg) | |
98 | ), | |
99 | TP_fast_assign( | |
100 | __entry->vdev_spa = spa; | |
101 | __entry->vdev_offset = offset; | |
102 | __entry->vdev_size = size; | |
103 | __entry->vdev_txg = txg; | |
104 | ), | |
105 | TP_printk("spa %p offset %llu size %llu txg %llu", | |
106 | __entry->vdev_spa, __entry->vdev_offset, | |
107 | __entry->vdev_size, __entry->vdev_txg) | |
108 | ); | |
109 | ||
110 | /* BEGIN CSTYLED */ | |
111 | #define DEFINE_REMOVE_FREE_EVENT_TXG(name) \ | |
112 | DEFINE_EVENT(zfs_removing_class_4, name, \ | |
113 | TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size,uint64_t txg), \ | |
114 | TP_ARGS(spa, offset, size, txg)) | |
115 | /* END CSTYLED */ | |
116 | DEFINE_REMOVE_FREE_EVENT_TXG(zfs_remove__free__inflight); | |
117 | ||
118 | #endif /* _TRACE_VDEV_H */ | |
119 | ||
120 | #undef TRACE_INCLUDE_PATH | |
121 | #undef TRACE_INCLUDE_FILE | |
122 | #define TRACE_INCLUDE_PATH sys | |
123 | #define TRACE_INCLUDE_FILE trace_vdev | |
124 | #include <trace/define_trace.h> | |
125 | ||
cb709642 BL |
126 | #else |
127 | ||
128 | /* | |
129 | * When tracepoints are not available, a DEFINE_DTRACE_PROBE* macro is | |
130 | * needed for each DTRACE_PROBE. These will be used to generate stub | |
cf7c5a03 | 131 | * tracing functions and prototypes for those functions. See |
cb709642 BL |
132 | * include/sys/trace.h. |
133 | */ | |
134 | ||
135 | DEFINE_DTRACE_PROBE3(remove__free__synced); | |
136 | DEFINE_DTRACE_PROBE3(remove__free__unvisited); | |
137 | DEFINE_DTRACE_PROBE4(remove__free__inflight); | |
138 | ||
139 | #endif /* HAVE_DECLARE_EVENT_CLASS */ | |
140 | #endif /* _KERNEL */ |