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config/dracut/90zfs: handle cases where hostid(1) returns all zeros
[zfs.git] / include / os / linux / zfs / sys / trace_arc.h
blob3df491f8b3922bc4ea9a73dafdeb9e1b9215c52e
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
22 #include <sys/list.h>
23
24 #if defined(_KERNEL)
25 #if defined(HAVE_DECLARE_EVENT_CLASS)
26
27 #undef TRACE_SYSTEM
28 #define TRACE_SYSTEM zfs
29
30 #undef TRACE_SYSTEM_VAR
31 #define TRACE_SYSTEM_VAR zfs_arc
32
33 #if !defined(_TRACE_ARC_H) || defined(TRACE_HEADER_MULTI_READ)
34 #define _TRACE_ARC_H
35
36 #include <linux/tracepoint.h>
37 #include <sys/types.h>
38 #include <sys/trace_common.h> /* For ZIO macros */
39
40 /*
41 * Generic support for one argument tracepoints of the form:
42 *
43 * DTRACE_PROBE1(...,
44 * arc_buf_hdr_t *, ...);
45 */
46 /* BEGIN CSTYLED */
47 DECLARE_EVENT_CLASS(zfs_arc_buf_hdr_class,
48 TP_PROTO(arc_buf_hdr_t *ab),
49 TP_ARGS(ab),
50 TP_STRUCT__entry(
51 __array(uint64_t, hdr_dva_word, 2)
52 __field(uint64_t, hdr_birth)
53 __field(uint32_t, hdr_flags)
54 __field(uint32_t, hdr_bufcnt)
55 __field(arc_buf_contents_t, hdr_type)
56 __field(uint16_t, hdr_psize)
57 __field(uint16_t, hdr_lsize)
58 __field(uint64_t, hdr_spa)
59 __field(arc_state_type_t, hdr_state_type)
60 __field(clock_t, hdr_access)
61 __field(uint32_t, hdr_mru_hits)
62 __field(uint32_t, hdr_mru_ghost_hits)
63 __field(uint32_t, hdr_mfu_hits)
64 __field(uint32_t, hdr_mfu_ghost_hits)
65 __field(uint32_t, hdr_l2_hits)
66 __field(int64_t, hdr_refcount)
67 ),
68 TP_fast_assign(
69 __entry->hdr_dva_word[0] = ab->b_dva.dva_word[0];
70 __entry->hdr_dva_word[1] = ab->b_dva.dva_word[1];
71 __entry->hdr_birth = ab->b_birth;
72 __entry->hdr_flags = ab->b_flags;
73 __entry->hdr_bufcnt = ab->b_l1hdr.b_bufcnt;
74 __entry->hdr_psize = ab->b_psize;
75 __entry->hdr_lsize = ab->b_lsize;
76 __entry->hdr_spa = ab->b_spa;
77 __entry->hdr_state_type = ab->b_l1hdr.b_state->arcs_state;
78 __entry->hdr_access = ab->b_l1hdr.b_arc_access;
79 __entry->hdr_mru_hits = ab->b_l1hdr.b_mru_hits;
80 __entry->hdr_mru_ghost_hits = ab->b_l1hdr.b_mru_ghost_hits;
81 __entry->hdr_mfu_hits = ab->b_l1hdr.b_mfu_hits;
82 __entry->hdr_mfu_ghost_hits = ab->b_l1hdr.b_mfu_ghost_hits;
83 __entry->hdr_l2_hits = ab->b_l1hdr.b_l2_hits;
84 __entry->hdr_refcount = ab->b_l1hdr.b_refcnt.rc_count;
85 ),
86 TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
87 "flags 0x%x bufcnt %u type %u psize %u lsize %u spa %llu "
88 "state_type %u access %lu mru_hits %u mru_ghost_hits %u "
89 "mfu_hits %u mfu_ghost_hits %u l2_hits %u refcount %lli }",
90 __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
91 __entry->hdr_birth, __entry->hdr_flags,
92 __entry->hdr_bufcnt, __entry->hdr_type, __entry->hdr_psize,
93 __entry->hdr_lsize, __entry->hdr_spa, __entry->hdr_state_type,
94 __entry->hdr_access, __entry->hdr_mru_hits,
95 __entry->hdr_mru_ghost_hits, __entry->hdr_mfu_hits,
96 __entry->hdr_mfu_ghost_hits, __entry->hdr_l2_hits,
97 __entry->hdr_refcount)
98 );
99 /* END CSTYLED */
100
101 /* BEGIN CSTYLED */
102 #define DEFINE_ARC_BUF_HDR_EVENT(name) \
103 DEFINE_EVENT(zfs_arc_buf_hdr_class, name, \
104 TP_PROTO(arc_buf_hdr_t *ab), \
105 TP_ARGS(ab))
106 /* END CSTYLED */
107 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__hit);
108 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__evict);
109 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__delete);
110 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mru);
111 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mfu);
112 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__async__upgrade__sync);
113 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__demand__hit__predictive__prefetch);
114 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__hit);
115 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__miss);
116
117 /*
118 * Generic support for two argument tracepoints of the form:
119 *
120 * DTRACE_PROBE2(...,
121 * vdev_t *, ...,
122 * zio_t *, ...);
123 */
124 /* BEGIN CSTYLED */
125 DECLARE_EVENT_CLASS(zfs_l2arc_rw_class,
126 TP_PROTO(vdev_t *vd, zio_t *zio),
127 TP_ARGS(vd, zio),
128 TP_STRUCT__entry(
129 __field(uint64_t, vdev_id)
130 __field(uint64_t, vdev_guid)
131 __field(uint64_t, vdev_state)
132 ZIO_TP_STRUCT_ENTRY
133 ),
134 TP_fast_assign(
135 __entry->vdev_id = vd->vdev_id;
136 __entry->vdev_guid = vd->vdev_guid;
137 __entry->vdev_state = vd->vdev_state;
138 ZIO_TP_FAST_ASSIGN
139 ),
140 TP_printk("vdev { id %llu guid %llu state %llu } "
141 ZIO_TP_PRINTK_FMT, __entry->vdev_id, __entry->vdev_guid,
142 __entry->vdev_state, ZIO_TP_PRINTK_ARGS)
143 );
144 /* END CSTYLED */
145
146 /* BEGIN CSTYLED */
147 #define DEFINE_L2ARC_RW_EVENT(name) \
148 DEFINE_EVENT(zfs_l2arc_rw_class, name, \
149 TP_PROTO(vdev_t *vd, zio_t *zio), \
150 TP_ARGS(vd, zio))
151 /* END CSTYLED */
152 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__read);
153 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__write);
154
155
156 /*
157 * Generic support for two argument tracepoints of the form:
158 *
159 * DTRACE_PROBE2(...,
160 * zio_t *, ...,
161 * l2arc_write_callback_t *, ...);
162 */
163 /* BEGIN CSTYLED */
164 DECLARE_EVENT_CLASS(zfs_l2arc_iodone_class,
165 TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb),
166 TP_ARGS(zio, cb),
167 TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY),
168 TP_fast_assign(ZIO_TP_FAST_ASSIGN),
169 TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS)
170 );
171 /* END CSTYLED */
172
173 /* BEGIN CSTYLED */
174 #define DEFINE_L2ARC_IODONE_EVENT(name) \
175 DEFINE_EVENT(zfs_l2arc_iodone_class, name, \
176 TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), \
177 TP_ARGS(zio, cb))
178 /* END CSTYLED */
179 DEFINE_L2ARC_IODONE_EVENT(zfs_l2arc__iodone);
180
181
182 /*
183 * Generic support for four argument tracepoints of the form:
184 *
185 * DTRACE_PROBE4(...,
186 * arc_buf_hdr_t *, ...,
187 * const blkptr_t *,
188 * uint64_t,
189 * const zbookmark_phys_t *);
190 */
191 /* BEGIN CSTYLED */
192 DECLARE_EVENT_CLASS(zfs_arc_miss_class,
193 TP_PROTO(arc_buf_hdr_t *hdr,
194 const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb),
195 TP_ARGS(hdr, bp, size, zb),
196 TP_STRUCT__entry(
197 __array(uint64_t, hdr_dva_word, 2)
198 __field(uint64_t, hdr_birth)
199 __field(uint32_t, hdr_flags)
200 __field(uint32_t, hdr_bufcnt)
201 __field(arc_buf_contents_t, hdr_type)
202 __field(uint16_t, hdr_psize)
203 __field(uint16_t, hdr_lsize)
204 __field(uint64_t, hdr_spa)
205 __field(arc_state_type_t, hdr_state_type)
206 __field(clock_t, hdr_access)
207 __field(uint32_t, hdr_mru_hits)
208 __field(uint32_t, hdr_mru_ghost_hits)
209 __field(uint32_t, hdr_mfu_hits)
210 __field(uint32_t, hdr_mfu_ghost_hits)
211 __field(uint32_t, hdr_l2_hits)
212 __field(int64_t, hdr_refcount)
213
214 __array(uint64_t, bp_dva0, 2)
215 __array(uint64_t, bp_dva1, 2)
216 __array(uint64_t, bp_dva2, 2)
217 __array(uint64_t, bp_cksum, 4)
218
219 __field(uint64_t, bp_lsize)
220
221 __field(uint64_t, zb_objset)
222 __field(uint64_t, zb_object)
223 __field(int64_t, zb_level)
224 __field(uint64_t, zb_blkid)
225 ),
226 TP_fast_assign(
227 __entry->hdr_dva_word[0] = hdr->b_dva.dva_word[0];
228 __entry->hdr_dva_word[1] = hdr->b_dva.dva_word[1];
229 __entry->hdr_birth = hdr->b_birth;
230 __entry->hdr_flags = hdr->b_flags;
231 __entry->hdr_bufcnt = hdr->b_l1hdr.b_bufcnt;
232 __entry->hdr_psize = hdr->b_psize;
233 __entry->hdr_lsize = hdr->b_lsize;
234 __entry->hdr_spa = hdr->b_spa;
235 __entry->hdr_state_type = hdr->b_l1hdr.b_state->arcs_state;
236 __entry->hdr_access = hdr->b_l1hdr.b_arc_access;
237 __entry->hdr_mru_hits = hdr->b_l1hdr.b_mru_hits;
238 __entry->hdr_mru_ghost_hits = hdr->b_l1hdr.b_mru_ghost_hits;
239 __entry->hdr_mfu_hits = hdr->b_l1hdr.b_mfu_hits;
240 __entry->hdr_mfu_ghost_hits = hdr->b_l1hdr.b_mfu_ghost_hits;
241 __entry->hdr_l2_hits = hdr->b_l1hdr.b_l2_hits;
242 __entry->hdr_refcount = hdr->b_l1hdr.b_refcnt.rc_count;
243
244 __entry->bp_dva0[0] = bp->blk_dva[0].dva_word[0];
245 __entry->bp_dva0[1] = bp->blk_dva[0].dva_word[1];
246 __entry->bp_dva1[0] = bp->blk_dva[1].dva_word[0];
247 __entry->bp_dva1[1] = bp->blk_dva[1].dva_word[1];
248 __entry->bp_dva2[0] = bp->blk_dva[2].dva_word[0];
249 __entry->bp_dva2[1] = bp->blk_dva[2].dva_word[1];
250 __entry->bp_cksum[0] = bp->blk_cksum.zc_word[0];
251 __entry->bp_cksum[1] = bp->blk_cksum.zc_word[1];
252 __entry->bp_cksum[2] = bp->blk_cksum.zc_word[2];
253 __entry->bp_cksum[3] = bp->blk_cksum.zc_word[3];
254
255 __entry->bp_lsize = size;
256
257 __entry->zb_objset = zb->zb_objset;
258 __entry->zb_object = zb->zb_object;
259 __entry->zb_level = zb->zb_level;
260 __entry->zb_blkid = zb->zb_blkid;
261 ),
262 TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
263 "flags 0x%x bufcnt %u psize %u lsize %u spa %llu state_type %u "
264 "access %lu mru_hits %u mru_ghost_hits %u mfu_hits %u "
265 "mfu_ghost_hits %u l2_hits %u refcount %lli } "
266 "bp { dva0 0x%llx:0x%llx dva1 0x%llx:0x%llx dva2 "
267 "0x%llx:0x%llx cksum 0x%llx:0x%llx:0x%llx:0x%llx "
268 "lsize %llu } zb { objset %llu object %llu level %lli "
269 "blkid %llu }",
270 __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
271 __entry->hdr_birth, __entry->hdr_flags,
272 __entry->hdr_bufcnt, __entry->hdr_psize, __entry->hdr_lsize,
273 __entry->hdr_spa, __entry->hdr_state_type, __entry->hdr_access,
274 __entry->hdr_mru_hits, __entry->hdr_mru_ghost_hits,
275 __entry->hdr_mfu_hits, __entry->hdr_mfu_ghost_hits,
276 __entry->hdr_l2_hits, __entry->hdr_refcount,
277 __entry->bp_dva0[0], __entry->bp_dva0[1],
278 __entry->bp_dva1[0], __entry->bp_dva1[1],
279 __entry->bp_dva2[0], __entry->bp_dva2[1],
280 __entry->bp_cksum[0], __entry->bp_cksum[1],
281 __entry->bp_cksum[2], __entry->bp_cksum[3],
282 __entry->bp_lsize, __entry->zb_objset, __entry->zb_object,
283 __entry->zb_level, __entry->zb_blkid)
284 );
285 /* END CSTYLED */
286
287 /* BEGIN CSTYLED */
288 #define DEFINE_ARC_MISS_EVENT(name) \
289 DEFINE_EVENT(zfs_arc_miss_class, name, \
290 TP_PROTO(arc_buf_hdr_t *hdr, \
291 const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), \
292 TP_ARGS(hdr, bp, size, zb))
293 /* END CSTYLED */
294 DEFINE_ARC_MISS_EVENT(zfs_arc__miss);
295
296 /*
297 * Generic support for four argument tracepoints of the form:
298 *
299 * DTRACE_PROBE4(...,
300 * l2arc_dev_t *, ...,
301 * list_t *, ...,
302 * uint64_t, ...,
303 * boolean_t, ...);
304 */
305 /* BEGIN CSTYLED */
306 DECLARE_EVENT_CLASS(zfs_l2arc_evict_class,
307 TP_PROTO(l2arc_dev_t *dev,
308 list_t *buflist, uint64_t taddr, boolean_t all),
309 TP_ARGS(dev, buflist, taddr, all),
310 TP_STRUCT__entry(
311 __field(uint64_t, vdev_id)
312 __field(uint64_t, vdev_guid)
313 __field(uint64_t, vdev_state)
314
315 __field(uint64_t, l2ad_hand)
316 __field(uint64_t, l2ad_start)
317 __field(uint64_t, l2ad_end)
318 __field(boolean_t, l2ad_first)
319 __field(boolean_t, l2ad_writing)
320
321 __field(uint64_t, taddr)
322 __field(boolean_t, all)
323 ),
324 TP_fast_assign(
325 __entry->vdev_id = dev->l2ad_vdev->vdev_id;
326 __entry->vdev_guid = dev->l2ad_vdev->vdev_guid;
327 __entry->vdev_state = dev->l2ad_vdev->vdev_state;
328
329 __entry->l2ad_hand = dev->l2ad_hand;
330 __entry->l2ad_start = dev->l2ad_start;
331 __entry->l2ad_end = dev->l2ad_end;
332 __entry->l2ad_first = dev->l2ad_first;
333 __entry->l2ad_writing = dev->l2ad_writing;
334
335 __entry->taddr = taddr;
336 __entry->all = all;
337 ),
338 TP_printk("l2ad { vdev { id %llu guid %llu state %llu } "
339 "hand %llu start %llu end %llu "
340 "first %d writing %d } taddr %llu all %d",
341 __entry->vdev_id, __entry->vdev_guid, __entry->vdev_state,
342 __entry->l2ad_hand, __entry->l2ad_start,
343 __entry->l2ad_end, __entry->l2ad_first, __entry->l2ad_writing,
344 __entry->taddr, __entry->all)
345 );
346 /* END CSTYLED */
347
348 /* BEGIN CSTYLED */
349 #define DEFINE_L2ARC_EVICT_EVENT(name) \
350 DEFINE_EVENT(zfs_l2arc_evict_class, name, \
351 TP_PROTO(l2arc_dev_t *dev, \
352 list_t *buflist, uint64_t taddr, boolean_t all), \
353 TP_ARGS(dev, buflist, taddr, all))
354 /* END CSTYLED */
355 DEFINE_L2ARC_EVICT_EVENT(zfs_l2arc__evict);
356
357 /*
358 * Generic support for three argument tracepoints of the form:
359 *
360 * DTRACE_PROBE3(...,
361 * uint64_t, ...,
362 * uint64_t, ...,
363 * uint64_t, ...);
364 */
365 /* BEGIN CSTYLED */
366 DECLARE_EVENT_CLASS(zfs_arc_wait_for_eviction_class,
367 TP_PROTO(uint64_t amount, uint64_t arc_evict_count, uint64_t aew_count),
368 TP_ARGS(amount, arc_evict_count, aew_count),
369 TP_STRUCT__entry(
370 __field(uint64_t, amount)
371 __field(uint64_t, arc_evict_count)
372 __field(uint64_t, aew_count)
373 ),
374 TP_fast_assign(
375 __entry->amount = amount;
376 __entry->arc_evict_count = arc_evict_count;
377 __entry->aew_count = aew_count;
378 ),
379 TP_printk("amount %llu arc_evict_count %llu aew_count %llu",
380 __entry->amount, __entry->arc_evict_count, __entry->aew_count)
381 );
382 /* END CSTYLED */
383
384 /* BEGIN CSTYLED */
385 #define DEFINE_ARC_WAIT_FOR_EVICTION_EVENT(name) \
386 DEFINE_EVENT(zfs_arc_wait_for_eviction_class, name, \
387 TP_PROTO(uint64_t amount, uint64_t arc_evict_count, uint64_t aew_count), \
388 TP_ARGS(amount, arc_evict_count, aew_count))
389 /* END CSTYLED */
390 DEFINE_ARC_WAIT_FOR_EVICTION_EVENT(zfs_arc__wait__for__eviction);
391
392 #endif /* _TRACE_ARC_H */
393
394 #undef TRACE_INCLUDE_PATH
395 #undef TRACE_INCLUDE_FILE
396 #define TRACE_INCLUDE_PATH sys
397 #define TRACE_INCLUDE_FILE trace_arc
398 #include <trace/define_trace.h>
399
400 #else
401
402 DEFINE_DTRACE_PROBE1(arc__hit);
403 DEFINE_DTRACE_PROBE1(arc__evict);
404 DEFINE_DTRACE_PROBE1(arc__delete);
405 DEFINE_DTRACE_PROBE1(new_state__mru);
406 DEFINE_DTRACE_PROBE1(new_state__mfu);
407 DEFINE_DTRACE_PROBE1(arc__async__upgrade__sync);
408 DEFINE_DTRACE_PROBE1(arc__demand__hit__predictive__prefetch);
409 DEFINE_DTRACE_PROBE1(l2arc__hit);
410 DEFINE_DTRACE_PROBE1(l2arc__miss);
411 DEFINE_DTRACE_PROBE2(l2arc__read);
412 DEFINE_DTRACE_PROBE2(l2arc__write);
413 DEFINE_DTRACE_PROBE2(l2arc__iodone);
414 DEFINE_DTRACE_PROBE3(arc__wait__for__eviction);
415 DEFINE_DTRACE_PROBE4(arc__miss);
416 DEFINE_DTRACE_PROBE4(l2arc__evict);
417
418 #endif /* HAVE_DECLARE_EVENT_CLASS */
419 #endif /* _KERNEL */
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