Version 2.5.0
[lttng-modules.git] / instrumentation / events / lttng-module / vmscan.h
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM vmscan
3
4 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_VMSCAN_H
6
7 #include <linux/types.h>
8 #include <linux/tracepoint.h>
9 #include <linux/mm.h>
10 #include <linux/memcontrol.h>
11 #include <trace/events/gfpflags.h>
12 #include <linux/version.h>
13
14 #ifndef _TRACE_VMSCAN_DEF
15 #define _TRACE_VMSCAN_DEF
16 #define RECLAIM_WB_ANON 0x0001u
17 #define RECLAIM_WB_FILE 0x0002u
18 #define RECLAIM_WB_MIXED 0x0010u
19 #define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */
20 #define RECLAIM_WB_ASYNC 0x0008u
21
22 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
23 #define show_reclaim_flags(flags) \
24 (flags) ? __print_flags(flags, "|", \
25 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
26 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
27 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
28 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
29 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
30 ) : "RECLAIM_WB_NONE"
31 #else
32 #define show_reclaim_flags(flags) \
33 (flags) ? __print_flags(flags, "|", \
34 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
35 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
36 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
37 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
38 ) : "RECLAIM_WB_NONE"
39 #endif
40
41 #if ((LINUX_VERSION_CODE <= KERNEL_VERSION(3,0,38)) || \
42 LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
43 typedef int isolate_mode_t;
44 #endif
45
46 #endif
47
48 TRACE_EVENT(mm_vmscan_kswapd_sleep,
49
50 TP_PROTO(int nid),
51
52 TP_ARGS(nid),
53
54 TP_STRUCT__entry(
55 __field( int, nid )
56 ),
57
58 TP_fast_assign(
59 tp_assign(nid, nid)
60 ),
61
62 TP_printk("nid=%d", __entry->nid)
63 )
64
65 TRACE_EVENT(mm_vmscan_kswapd_wake,
66
67 TP_PROTO(int nid, int order),
68
69 TP_ARGS(nid, order),
70
71 TP_STRUCT__entry(
72 __field( int, nid )
73 __field( int, order )
74 ),
75
76 TP_fast_assign(
77 tp_assign(nid, nid)
78 tp_assign(order, order)
79 ),
80
81 TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
82 )
83
84 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
85
86 TP_PROTO(int nid, int zid, int order),
87
88 TP_ARGS(nid, zid, order),
89
90 TP_STRUCT__entry(
91 __field( int, nid )
92 __field( int, zid )
93 __field( int, order )
94 ),
95
96 TP_fast_assign(
97 tp_assign(nid, nid)
98 tp_assign(zid, zid)
99 tp_assign(order, order)
100 ),
101
102 TP_printk("nid=%d zid=%d order=%d",
103 __entry->nid,
104 __entry->zid,
105 __entry->order)
106 )
107
108 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
109
110 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
111
112 TP_ARGS(order, may_writepage, gfp_flags),
113
114 TP_STRUCT__entry(
115 __field( int, order )
116 __field( int, may_writepage )
117 __field( gfp_t, gfp_flags )
118 ),
119
120 TP_fast_assign(
121 tp_assign(order, order)
122 tp_assign(may_writepage, may_writepage)
123 tp_assign(gfp_flags, gfp_flags)
124 ),
125
126 TP_printk("order=%d may_writepage=%d gfp_flags=%s",
127 __entry->order,
128 __entry->may_writepage,
129 show_gfp_flags(__entry->gfp_flags))
130 )
131
132 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
133
134 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
135
136 TP_ARGS(order, may_writepage, gfp_flags)
137 )
138
139 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
140
141 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
142
143 TP_ARGS(order, may_writepage, gfp_flags)
144 )
145
146 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
147
148 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
149
150 TP_ARGS(order, may_writepage, gfp_flags)
151 )
152
153 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
154
155 TP_PROTO(unsigned long nr_reclaimed),
156
157 TP_ARGS(nr_reclaimed),
158
159 TP_STRUCT__entry(
160 __field( unsigned long, nr_reclaimed )
161 ),
162
163 TP_fast_assign(
164 tp_assign(nr_reclaimed, nr_reclaimed)
165 ),
166
167 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
168 )
169
170 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
171
172 TP_PROTO(unsigned long nr_reclaimed),
173
174 TP_ARGS(nr_reclaimed)
175 )
176
177 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
178
179 TP_PROTO(unsigned long nr_reclaimed),
180
181 TP_ARGS(nr_reclaimed)
182 )
183
184 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
185
186 TP_PROTO(unsigned long nr_reclaimed),
187
188 TP_ARGS(nr_reclaimed)
189 )
190
191 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
192 TRACE_EVENT(mm_shrink_slab_start,
193 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
194 long nr_objects_to_shrink, unsigned long pgs_scanned,
195 unsigned long lru_pgs, unsigned long cache_items,
196 unsigned long long delta, unsigned long total_scan),
197
198 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
199 cache_items, delta, total_scan),
200
201 TP_STRUCT__entry(
202 __field(struct shrinker *, shr)
203 __field(void *, shrink)
204 __field(long, nr_objects_to_shrink)
205 __field(gfp_t, gfp_flags)
206 __field(unsigned long, pgs_scanned)
207 __field(unsigned long, lru_pgs)
208 __field(unsigned long, cache_items)
209 __field(unsigned long long, delta)
210 __field(unsigned long, total_scan)
211 ),
212
213 TP_fast_assign(
214 tp_assign(shr,shr)
215 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
216 tp_assign(shrink, shr->scan_objects)
217 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
218 tp_assign(shrink, shr->shrink)
219 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
220 tp_assign(nr_objects_to_shrink, nr_objects_to_shrink)
221 tp_assign(gfp_flags, sc->gfp_mask)
222 tp_assign(pgs_scanned, pgs_scanned)
223 tp_assign(lru_pgs, lru_pgs)
224 tp_assign(cache_items, cache_items)
225 tp_assign(delta, delta)
226 tp_assign(total_scan, total_scan)
227 ),
228
229 TP_printk("%pF %p: objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
230 __entry->shrink,
231 __entry->shr,
232 __entry->nr_objects_to_shrink,
233 show_gfp_flags(__entry->gfp_flags),
234 __entry->pgs_scanned,
235 __entry->lru_pgs,
236 __entry->cache_items,
237 __entry->delta,
238 __entry->total_scan)
239 )
240
241 TRACE_EVENT(mm_shrink_slab_end,
242 TP_PROTO(struct shrinker *shr, int shrinker_retval,
243 long unused_scan_cnt, long new_scan_cnt),
244
245 TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
246
247 TP_STRUCT__entry(
248 __field(struct shrinker *, shr)
249 __field(void *, shrink)
250 __field(long, unused_scan)
251 __field(long, new_scan)
252 __field(int, retval)
253 __field(long, total_scan)
254 ),
255
256 TP_fast_assign(
257 tp_assign(shr, shr)
258 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
259 tp_assign(shrink, shr->scan_objects)
260 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
261 tp_assign(shrink, shr->shrink)
262 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
263 tp_assign(unused_scan, unused_scan_cnt)
264 tp_assign(new_scan, new_scan_cnt)
265 tp_assign(retval, shrinker_retval)
266 tp_assign(total_scan, new_scan_cnt - unused_scan_cnt)
267 ),
268
269 TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
270 __entry->shrink,
271 __entry->shr,
272 __entry->unused_scan,
273 __entry->new_scan,
274 __entry->total_scan,
275 __entry->retval)
276 )
277 #endif
278
279 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
280
281 TP_PROTO(int order,
282 unsigned long nr_requested,
283 unsigned long nr_scanned,
284 unsigned long nr_taken,
285 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
286 unsigned long nr_lumpy_taken,
287 unsigned long nr_lumpy_dirty,
288 unsigned long nr_lumpy_failed,
289 #endif
290 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
291 isolate_mode_t isolate_mode
292 #else
293 isolate_mode_t isolate_mode,
294 int file
295 #endif
296 ),
297
298 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
299 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
300 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
301 #endif
302 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
303 isolate_mode
304 #else
305 isolate_mode, file
306 #endif
307 ),
308
309
310 TP_STRUCT__entry(
311 __field(int, order)
312 __field(unsigned long, nr_requested)
313 __field(unsigned long, nr_scanned)
314 __field(unsigned long, nr_taken)
315 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
316 __field(unsigned long, nr_lumpy_taken)
317 __field(unsigned long, nr_lumpy_dirty)
318 __field(unsigned long, nr_lumpy_failed)
319 #endif
320 __field(isolate_mode_t, isolate_mode)
321 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
322 __field(int, file)
323 #endif
324 ),
325
326 TP_fast_assign(
327 tp_assign(order, order)
328 tp_assign(nr_requested, nr_requested)
329 tp_assign(nr_scanned, nr_scanned)
330 tp_assign(nr_taken, nr_taken)
331 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
332 tp_assign(nr_lumpy_taken, nr_lumpy_taken)
333 tp_assign(nr_lumpy_dirty, nr_lumpy_dirty)
334 tp_assign(nr_lumpy_failed, nr_lumpy_failed)
335 #endif
336 tp_assign(isolate_mode, isolate_mode)
337 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
338 tp_assign(file, file)
339 #endif
340 ),
341
342 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
343 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
344 __entry->isolate_mode,
345 __entry->order,
346 __entry->nr_requested,
347 __entry->nr_scanned,
348 __entry->nr_taken,
349 __entry->nr_lumpy_taken,
350 __entry->nr_lumpy_dirty,
351 __entry->nr_lumpy_failed)
352 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
353 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu file=%d",
354 __entry->isolate_mode,
355 __entry->order,
356 __entry->nr_requested,
357 __entry->nr_scanned,
358 __entry->nr_taken,
359 __entry->nr_lumpy_taken,
360 __entry->nr_lumpy_dirty,
361 __entry->nr_lumpy_failed,
362 __entry->file)
363 #else
364 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
365 __entry->isolate_mode,
366 __entry->order,
367 __entry->nr_requested,
368 __entry->nr_scanned,
369 __entry->nr_taken,
370 __entry->file)
371 #endif
372 )
373
374 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
375
376 TP_PROTO(int order,
377 unsigned long nr_requested,
378 unsigned long nr_scanned,
379 unsigned long nr_taken,
380 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
381 unsigned long nr_lumpy_taken,
382 unsigned long nr_lumpy_dirty,
383 unsigned long nr_lumpy_failed,
384 #endif
385 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
386 isolate_mode_t isolate_mode
387 #else
388 isolate_mode_t isolate_mode,
389 int file
390 #endif
391 ),
392
393 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
394 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
395 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
396 #endif
397 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
398 isolate_mode
399 #else
400 isolate_mode, file
401 #endif
402 )
403
404 )
405
406 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
407
408 TP_PROTO(int order,
409 unsigned long nr_requested,
410 unsigned long nr_scanned,
411 unsigned long nr_taken,
412 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
413 unsigned long nr_lumpy_taken,
414 unsigned long nr_lumpy_dirty,
415 unsigned long nr_lumpy_failed,
416 #endif
417 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
418 isolate_mode_t isolate_mode
419 #else
420 isolate_mode_t isolate_mode,
421 int file
422 #endif
423 ),
424
425 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
426 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
427 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
428 #endif
429 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
430 isolate_mode
431 #else
432 isolate_mode, file
433 #endif
434 )
435 )
436
437 TRACE_EVENT(mm_vmscan_writepage,
438
439 TP_PROTO(struct page *page,
440 int reclaim_flags),
441
442 TP_ARGS(page, reclaim_flags),
443
444 TP_STRUCT__entry(
445 __field(struct page *, page)
446 __field(int, reclaim_flags)
447 ),
448
449 TP_fast_assign(
450 tp_assign(page, page)
451 tp_assign(reclaim_flags, reclaim_flags)
452 ),
453
454 TP_printk("page=%p pfn=%lu flags=%s",
455 __entry->page,
456 page_to_pfn(__entry->page),
457 show_reclaim_flags(__entry->reclaim_flags))
458 )
459
460 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
461 TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
462
463 TP_PROTO(int nid, int zid,
464 unsigned long nr_scanned, unsigned long nr_reclaimed,
465 int priority, int reclaim_flags),
466
467 TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
468
469 TP_STRUCT__entry(
470 __field(int, nid)
471 __field(int, zid)
472 __field(unsigned long, nr_scanned)
473 __field(unsigned long, nr_reclaimed)
474 __field(int, priority)
475 __field(int, reclaim_flags)
476 ),
477
478 TP_fast_assign(
479 tp_assign(nid, nid)
480 tp_assign(zid, zid)
481 tp_assign(nr_scanned, nr_scanned)
482 tp_assign(nr_reclaimed, nr_reclaimed)
483 tp_assign(priority, priority)
484 tp_assign(reclaim_flags, reclaim_flags)
485 ),
486
487 TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
488 __entry->nid, __entry->zid,
489 __entry->nr_scanned, __entry->nr_reclaimed,
490 __entry->priority,
491 show_reclaim_flags(__entry->reclaim_flags))
492 )
493 #endif
494
495 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
496 TRACE_EVENT_MAP(replace_swap_token,
497
498 mm_vmscan_replace_swap_token,
499
500 TP_PROTO(struct mm_struct *old_mm,
501 struct mm_struct *new_mm),
502
503 TP_ARGS(old_mm, new_mm),
504
505 TP_STRUCT__entry(
506 __field(struct mm_struct*, old_mm)
507 __field(unsigned int, old_prio)
508 __field(struct mm_struct*, new_mm)
509 __field(unsigned int, new_prio)
510 ),
511
512 TP_fast_assign(
513 tp_assign(old_mm, old_mm)
514 tp_assign(old_prio, old_mm ? old_mm->token_priority : 0)
515 tp_assign(new_mm, new_mm)
516 tp_assign(new_prio, new_mm->token_priority)
517 ),
518
519 TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
520 __entry->old_mm, __entry->old_prio,
521 __entry->new_mm, __entry->new_prio)
522 )
523
524 DECLARE_EVENT_CLASS(mm_vmscan_put_swap_token_template,
525 TP_PROTO(struct mm_struct *swap_token_mm),
526
527 TP_ARGS(swap_token_mm),
528
529 TP_STRUCT__entry(
530 __field(struct mm_struct*, swap_token_mm)
531 ),
532
533 TP_fast_assign(
534 tp_assign(swap_token_mm, swap_token_mm)
535 ),
536
537 TP_printk("token_mm=%p", __entry->swap_token_mm)
538 )
539
540 DEFINE_EVENT_MAP(mm_vmscan_put_swap_token_template, put_swap_token,
541
542 mm_vmscan_put_swap_token,
543
544 TP_PROTO(struct mm_struct *swap_token_mm),
545 TP_ARGS(swap_token_mm)
546 )
547
548 DEFINE_EVENT_CONDITION_MAP(mm_vmscan_put_swap_token_template, disable_swap_token,
549
550 mm_vmscan_disable_swap_token,
551
552 TP_PROTO(struct mm_struct *swap_token_mm),
553 TP_ARGS(swap_token_mm),
554 TP_CONDITION(swap_token_mm != NULL)
555 )
556
557 TRACE_EVENT_CONDITION_MAP(update_swap_token_priority,
558
559 mm_vmscan_update_swap_token_priority,
560
561 TP_PROTO(struct mm_struct *mm,
562 unsigned int old_prio,
563 struct mm_struct *swap_token_mm),
564
565 TP_ARGS(mm, old_prio, swap_token_mm),
566
567 TP_CONDITION(mm->token_priority != old_prio),
568
569 TP_STRUCT__entry(
570 __field(struct mm_struct*, mm)
571 __field(unsigned int, old_prio)
572 __field(unsigned int, new_prio)
573 __field(struct mm_struct*, swap_token_mm)
574 __field(unsigned int, swap_token_prio)
575 ),
576
577 TP_fast_assign(
578 tp_assign(mm, mm)
579 tp_assign(old_prio, old_prio)
580 tp_assign(new_prio, mm->token_priority)
581 tp_assign(swap_token_mm, swap_token_mm)
582 tp_assign(swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0)
583 ),
584
585 TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
586 __entry->mm, __entry->old_prio, __entry->new_prio,
587 __entry->swap_token_mm, __entry->swap_token_prio)
588 )
589 #endif
590
591 #endif /* _TRACE_VMSCAN_H */
592
593 /* This part must be outside protection */
594 #include "../../../probes/define_trace.h"
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