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 https://opensource.org/licenses/CDDL-1.0.
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 
22 #if defined(_KERNEL)
23 #if defined(HAVE_DECLARE_EVENT_CLASS)
24 
25 #undef TRACE_SYSTEM
26 #define	TRACE_SYSTEM zfs
27 
28 #undef TRACE_SYSTEM_VAR
29 #define	TRACE_SYSTEM_VAR zfs_zil
30 
31 #if !defined(_TRACE_ZIL_H) || defined(TRACE_HEADER_MULTI_READ)
32 #define	_TRACE_ZIL_H
33 
34 #include <linux/tracepoint.h>
35 #include <sys/types.h>
36 
37 #define	ZILOG_TP_STRUCT_ENTRY						    \
38 		__field(uint64_t,	zl_lr_seq)			    \
39 		__field(uint64_t,	zl_commit_lr_seq)		    \
40 		__field(uint64_t,	zl_destroy_txg)			    \
41 		__field(uint64_t,	zl_replaying_seq)		    \
42 		__field(uint32_t,	zl_suspend)			    \
43 		__field(uint8_t,	zl_suspending)			    \
44 		__field(uint8_t,	zl_keep_first)			    \
45 		__field(uint8_t,	zl_replay)			    \
46 		__field(uint8_t,	zl_stop_sync)			    \
47 		__field(uint8_t,	zl_logbias)			    \
48 		__field(uint8_t,	zl_sync)			    \
49 		__field(int,		zl_parse_error)			    \
50 		__field(uint64_t,	zl_parse_blk_seq)		    \
51 		__field(uint64_t,	zl_parse_lr_seq)		    \
52 		__field(uint64_t,	zl_parse_blk_count)		    \
53 		__field(uint64_t,	zl_parse_lr_count)		    \
54 		__field(uint64_t,	zl_cur_used)			    \
55 		__field(clock_t,	zl_replay_time)			    \
56 		__field(uint64_t,	zl_replay_blks)
57 
58 #define	ZILOG_TP_FAST_ASSIGN						    \
59 		__entry->zl_lr_seq		= zilog->zl_lr_seq;	    \
60 		__entry->zl_commit_lr_seq	= zilog->zl_commit_lr_seq;  \
61 		__entry->zl_destroy_txg	= zilog->zl_destroy_txg;	    \
62 		__entry->zl_replaying_seq	= zilog->zl_replaying_seq;  \
63 		__entry->zl_suspend		= zilog->zl_suspend;	    \
64 		__entry->zl_suspending	= zilog->zl_suspending;		    \
65 		__entry->zl_keep_first	= zilog->zl_keep_first;		    \
66 		__entry->zl_replay		= zilog->zl_replay;	    \
67 		__entry->zl_stop_sync	= zilog->zl_stop_sync;		    \
68 		__entry->zl_logbias		= zilog->zl_logbias;	    \
69 		__entry->zl_sync		= zilog->zl_sync;	    \
70 		__entry->zl_parse_error	= zilog->zl_parse_error;	    \
71 		__entry->zl_parse_blk_seq	= zilog->zl_parse_blk_seq;  \
72 		__entry->zl_parse_lr_seq	= zilog->zl_parse_lr_seq;   \
73 		__entry->zl_parse_blk_count	= zilog->zl_parse_blk_count;\
74 		__entry->zl_parse_lr_count	= zilog->zl_parse_lr_count; \
75 		__entry->zl_cur_used	= zilog->zl_cur_used;		    \
76 		__entry->zl_replay_time	= zilog->zl_replay_time;	    \
77 		__entry->zl_replay_blks	= zilog->zl_replay_blks;
78 
79 #define	ZILOG_TP_PRINTK_FMT						    \
80 	"zl { lr_seq %llu commit_lr_seq %llu destroy_txg %llu "		    \
81 	"replaying_seq %llu suspend %u suspending %u keep_first %u "	    \
82 	"replay %u stop_sync %u logbias %u sync %u "			    \
83 	"parse_error %u parse_blk_seq %llu parse_lr_seq %llu "		    \
84 	"parse_blk_count %llu parse_lr_count %llu "			    \
85 	"cur_used %llu replay_time %lu replay_blks %llu }"
86 
87 #define	ZILOG_TP_PRINTK_ARGS						    \
88 	    __entry->zl_lr_seq, __entry->zl_commit_lr_seq,		    \
89 	    __entry->zl_destroy_txg, __entry->zl_replaying_seq,		    \
90 	    __entry->zl_suspend, __entry->zl_suspending,		    \
91 	    __entry->zl_keep_first, __entry->zl_replay,			    \
92 	    __entry->zl_stop_sync, __entry->zl_logbias, __entry->zl_sync,   \
93 	    __entry->zl_parse_error, __entry->zl_parse_blk_seq,		    \
94 	    __entry->zl_parse_lr_seq, __entry->zl_parse_blk_count,	    \
95 	    __entry->zl_parse_lr_count, __entry->zl_cur_used,		    \
96 	    __entry->zl_replay_time, __entry->zl_replay_blks
97 
98 #define	ITX_TP_STRUCT_ENTRY						    \
99 		__field(itx_wr_state_t,	itx_wr_state)			    \
100 		__field(uint8_t,	itx_sync)			    \
101 		__field(zil_callback_t,	itx_callback)			    \
102 		__field(void *,		itx_callback_data)		    \
103 		__field(uint64_t,	itx_oid)			    \
104 									    \
105 		__field(uint64_t,	lrc_txtype)			    \
106 		__field(uint64_t,	lrc_reclen)			    \
107 		__field(uint64_t,	lrc_txg)			    \
108 		__field(uint64_t,	lrc_seq)
109 
110 #define	ITX_TP_FAST_ASSIGN						    \
111 		__entry->itx_wr_state		= itx->itx_wr_state;	    \
112 		__entry->itx_sync		= itx->itx_sync;	    \
113 		__entry->itx_callback		= itx->itx_callback;	    \
114 		__entry->itx_callback_data	= itx->itx_callback_data;   \
115 		__entry->itx_oid		= itx->itx_oid;		    \
116 									    \
117 		__entry->lrc_txtype		= itx->itx_lr.lrc_txtype;   \
118 		__entry->lrc_reclen		= itx->itx_lr.lrc_reclen;   \
119 		__entry->lrc_txg		= itx->itx_lr.lrc_txg;	    \
120 		__entry->lrc_seq		= itx->itx_lr.lrc_seq;
121 
122 #define	ITX_TP_PRINTK_FMT						    \
123 	"itx { wr_state %u sync %u callback %p callback_data %p oid %llu"   \
124 	" { txtype %llu reclen %llu txg %llu seq %llu } }"
125 
126 #define	ITX_TP_PRINTK_ARGS						    \
127 	    __entry->itx_wr_state, __entry->itx_sync, __entry->itx_callback,\
128 	    __entry->itx_callback_data, __entry->itx_oid,		    \
129 	    __entry->lrc_txtype, __entry->lrc_reclen, __entry->lrc_txg,	    \
130 	    __entry->lrc_seq
131 
132 #define	ZCW_TP_STRUCT_ENTRY						    \
133 		__field(lwb_t *,	zcw_lwb)			    \
134 		__field(boolean_t,	zcw_done)			    \
135 		__field(int,		zcw_zio_error)			    \
136 
137 #define	ZCW_TP_FAST_ASSIGN						    \
138 		__entry->zcw_lwb		= zcw->zcw_lwb;		    \
139 		__entry->zcw_done		= zcw->zcw_done;	    \
140 		__entry->zcw_zio_error		= zcw->zcw_zio_error;
141 
142 #define	ZCW_TP_PRINTK_FMT						    \
143 	"zcw { lwb %p done %u error %u }"
144 
145 #define	ZCW_TP_PRINTK_ARGS						    \
146 	    __entry->zcw_lwb, __entry->zcw_done, __entry->zcw_zio_error
147 
148 /*
149  * Generic support for two argument tracepoints of the form:
150  *
151  * DTRACE_PROBE2(...,
152  *     zilog_t *, ...,
153  *     itx_t *, ...);
154  */
155 
156 #if defined(__clang__)
157 #pragma clang diagnostic push
158 #pragma clang diagnostic ignored "-Wordered-compare-function-pointers"
159 #endif
160 /* BEGIN CSTYLED */
161 DECLARE_EVENT_CLASS(zfs_zil_process_itx_class,
162 	TP_PROTO(zilog_t *zilog, itx_t *itx),
163 	TP_ARGS(zilog, itx),
164 	TP_STRUCT__entry(
165 	    ZILOG_TP_STRUCT_ENTRY
166 	    ITX_TP_STRUCT_ENTRY
167 	),
168 	TP_fast_assign(
169 	    ZILOG_TP_FAST_ASSIGN
170 	    ITX_TP_FAST_ASSIGN
171 	),
172 	TP_printk(
173 	    ZILOG_TP_PRINTK_FMT " " ITX_TP_PRINTK_FMT,
174 	    ZILOG_TP_PRINTK_ARGS, ITX_TP_PRINTK_ARGS)
175 );
176 /* END CSTYLED */
177 #if defined(__clang__)
178 #pragma clang diagnostic pop
179 #endif
180 
181 #define	DEFINE_ZIL_PROCESS_ITX_EVENT(name) \
182 DEFINE_EVENT(zfs_zil_process_itx_class, name, \
183     TP_PROTO(zilog_t *zilog, itx_t *itx), \
184     TP_ARGS(zilog, itx))
185 DEFINE_ZIL_PROCESS_ITX_EVENT(zfs_zil__process__commit__itx);
186 DEFINE_ZIL_PROCESS_ITX_EVENT(zfs_zil__process__normal__itx);
187 
188 /*
189  * Generic support for two argument tracepoints of the form:
190  *
191  * DTRACE_PROBE2(...,
192  *     zilog_t *, ...,
193  *     zil_commit_waiter_t *, ...);
194  */
195 /* BEGIN CSTYLED */
196 DECLARE_EVENT_CLASS(zfs_zil_commit_io_error_class,
197 	TP_PROTO(zilog_t *zilog, zil_commit_waiter_t *zcw),
198 	TP_ARGS(zilog, zcw),
199 	TP_STRUCT__entry(
200 	    ZILOG_TP_STRUCT_ENTRY
201 	    ZCW_TP_STRUCT_ENTRY
202 	),
203 	TP_fast_assign(
204 	    ZILOG_TP_FAST_ASSIGN
205 	    ZCW_TP_FAST_ASSIGN
206 	),
207 	TP_printk(
208 	    ZILOG_TP_PRINTK_FMT " " ZCW_TP_PRINTK_FMT,
209 	    ZILOG_TP_PRINTK_ARGS, ZCW_TP_PRINTK_ARGS)
210 );
211 
212 #define	DEFINE_ZIL_COMMIT_IO_ERROR_EVENT(name) \
213 DEFINE_EVENT(zfs_zil_commit_io_error_class, name, \
214     TP_PROTO(zilog_t *zilog, zil_commit_waiter_t *zcw), \
215     TP_ARGS(zilog, zcw))
216 DEFINE_ZIL_COMMIT_IO_ERROR_EVENT(zfs_zil__commit__io__error);
217 
218 /*
219  * Generic support for three argument tracepoints of the form:
220  *
221  * DTRACE_PROBE3(...,
222  *     zilog_t *, ...,
223  *     uint64_t, ...,
224  *     uint64_t, ...);
225  */
226 /* BEGIN CSTYLED */
227 DECLARE_EVENT_CLASS(zfs_zil_block_size_class,
228 	TP_PROTO(zilog_t *zilog, uint64_t res, uint64_t s1),
229 	TP_ARGS(zilog, res, s1),
230 	TP_STRUCT__entry(
231 	    ZILOG_TP_STRUCT_ENTRY
232 	    __field(uint64_t, res)
233 	    __field(uint64_t, s1)
234 	),
235 	TP_fast_assign(
236 	    ZILOG_TP_FAST_ASSIGN
237 	    __entry->res = res;
238 	    __entry->s1 = s1;
239 	),
240 	TP_printk(
241 	    ZILOG_TP_PRINTK_FMT " res %llu s1 %llu",
242 	    ZILOG_TP_PRINTK_ARGS, __entry->res, __entry->s1)
243 );
244 
245 #define	DEFINE_ZIL_BLOCK_SIZE_EVENT(name) \
246 DEFINE_EVENT(zfs_zil_block_size_class, name, \
247     TP_PROTO(zilog_t *zilog, uint64_t res, uint64_t s1), \
248     TP_ARGS(zilog, res, s1))
249 DEFINE_ZIL_BLOCK_SIZE_EVENT(zfs_zil__block__size);
250 
251 #endif /* _TRACE_ZIL_H */
252 
253 #undef TRACE_INCLUDE_PATH
254 #undef TRACE_INCLUDE_FILE
255 #define	TRACE_INCLUDE_PATH sys
256 #define	TRACE_INCLUDE_FILE trace_zil
257 #include <trace/define_trace.h>
258 
259 #else
260 
261 DEFINE_DTRACE_PROBE2(zil__process__commit__itx);
262 DEFINE_DTRACE_PROBE2(zil__process__normal__itx);
263 DEFINE_DTRACE_PROBE2(zil__commit__io__error);
264 DEFINE_DTRACE_PROBE3(zil__block__size);
265 
266 #endif /* HAVE_DECLARE_EVENT_CLASS */
267 #endif /* _KERNEL */
268