update: kmem instrumentation 3.12 kernel support
[lttng-modules.git] / instrumentation / events / lttng-module / vmscan.h
CommitLineData
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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
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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))
43typedef int isolate_mode_t;
44#endif
45
46#endif
47
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48TRACE_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(
d3ac4d63 59 tp_assign(nid, nid)
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60 ),
61
62 TP_printk("nid=%d", __entry->nid)
63)
64
65TRACE_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(
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77 tp_assign(nid, nid)
78 tp_assign(order, order)
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79 ),
80
81 TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
82)
83
84TRACE_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(
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97 tp_assign(nid, nid)
98 tp_assign(zid, zid)
99 tp_assign(order, order)
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100 ),
101
102 TP_printk("nid=%d zid=%d order=%d",
103 __entry->nid,
104 __entry->zid,
105 __entry->order)
106)
107
108DECLARE_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(
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121 tp_assign(order, order)
122 tp_assign(may_writepage, may_writepage)
123 tp_assign(gfp_flags, gfp_flags)
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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
132DEFINE_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
139DEFINE_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
146DEFINE_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
153DECLARE_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(
d3ac4d63 164 tp_assign(nr_reclaimed, nr_reclaimed)
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165 ),
166
167 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
168)
169
170DEFINE_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
177DEFINE_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
184DEFINE_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
7c68b363 191#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
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192TRACE_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(
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214 tp_assign(shr,shr)
215 tp_assign(shrink, shr->shrink)
216 tp_assign(nr_objects_to_shrink, nr_objects_to_shrink)
217 tp_assign(gfp_flags, sc->gfp_mask)
218 tp_assign(pgs_scanned, pgs_scanned)
219 tp_assign(lru_pgs, lru_pgs)
220 tp_assign(cache_items, cache_items)
221 tp_assign(delta, delta)
222 tp_assign(total_scan, total_scan)
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223 ),
224
225 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",
226 __entry->shrink,
227 __entry->shr,
228 __entry->nr_objects_to_shrink,
229 show_gfp_flags(__entry->gfp_flags),
230 __entry->pgs_scanned,
231 __entry->lru_pgs,
232 __entry->cache_items,
233 __entry->delta,
234 __entry->total_scan)
235)
236
237TRACE_EVENT(mm_shrink_slab_end,
238 TP_PROTO(struct shrinker *shr, int shrinker_retval,
239 long unused_scan_cnt, long new_scan_cnt),
240
241 TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
242
243 TP_STRUCT__entry(
244 __field(struct shrinker *, shr)
245 __field(void *, shrink)
246 __field(long, unused_scan)
247 __field(long, new_scan)
248 __field(int, retval)
249 __field(long, total_scan)
250 ),
251
252 TP_fast_assign(
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253 tp_assign(shr, shr)
254 tp_assign(shrink, shr->shrink)
255 tp_assign(unused_scan, unused_scan_cnt)
256 tp_assign(new_scan, new_scan_cnt)
257 tp_assign(retval, shrinker_retval)
258 tp_assign(total_scan, new_scan_cnt - unused_scan_cnt)
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259 ),
260
261 TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
262 __entry->shrink,
263 __entry->shr,
264 __entry->unused_scan,
265 __entry->new_scan,
266 __entry->total_scan,
267 __entry->retval)
268)
7c68b363 269#endif
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270
271DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
272
273 TP_PROTO(int order,
274 unsigned long nr_requested,
275 unsigned long nr_scanned,
276 unsigned long nr_taken,
7c68b363 277#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
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278 unsigned long nr_lumpy_taken,
279 unsigned long nr_lumpy_dirty,
280 unsigned long nr_lumpy_failed,
7c68b363 281#endif
b283666f 282#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
7c68b363 283 isolate_mode_t isolate_mode
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284#else
285 isolate_mode_t isolate_mode,
7c68b363 286 int file
b283666f 287#endif
7c68b363 288 ),
b283666f 289
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290 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
291#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
292 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
293#endif
b283666f 294#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
7c68b363 295 isolate_mode
b283666f 296#else
7c68b363 297 isolate_mode, file
b283666f 298#endif
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299 ),
300
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301
302 TP_STRUCT__entry(
303 __field(int, order)
304 __field(unsigned long, nr_requested)
305 __field(unsigned long, nr_scanned)
306 __field(unsigned long, nr_taken)
7c68b363 307#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
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308 __field(unsigned long, nr_lumpy_taken)
309 __field(unsigned long, nr_lumpy_dirty)
310 __field(unsigned long, nr_lumpy_failed)
7c68b363 311#endif
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312 __field(isolate_mode_t, isolate_mode)
313#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
314 __field(int, file)
315#endif
316 ),
317
318 TP_fast_assign(
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319 tp_assign(order, order)
320 tp_assign(nr_requested, nr_requested)
321 tp_assign(nr_scanned, nr_scanned)
322 tp_assign(nr_taken, nr_taken)
7c68b363 323#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
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324 tp_assign(nr_lumpy_taken, nr_lumpy_taken)
325 tp_assign(nr_lumpy_dirty, nr_lumpy_dirty)
326 tp_assign(nr_lumpy_failed, nr_lumpy_failed)
7c68b363 327#endif
d3ac4d63 328 tp_assign(isolate_mode, isolate_mode)
b283666f 329#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
d3ac4d63 330 tp_assign(file, file)
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331#endif
332 ),
333
334#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
335 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",
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336 __entry->isolate_mode,
337 __entry->order,
338 __entry->nr_requested,
339 __entry->nr_scanned,
340 __entry->nr_taken,
341 __entry->nr_lumpy_taken,
342 __entry->nr_lumpy_dirty,
b283666f 343 __entry->nr_lumpy_failed)
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344#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
345 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",
346 __entry->isolate_mode,
347 __entry->order,
348 __entry->nr_requested,
349 __entry->nr_scanned,
350 __entry->nr_taken,
351 __entry->nr_lumpy_taken,
352 __entry->nr_lumpy_dirty,
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353 __entry->nr_lumpy_failed,
354 __entry->file)
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355#else
356 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
357 __entry->isolate_mode,
358 __entry->order,
359 __entry->nr_requested,
360 __entry->nr_scanned,
361 __entry->nr_taken,
362 __entry->file)
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363#endif
364)
365
366DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
367
368 TP_PROTO(int order,
369 unsigned long nr_requested,
370 unsigned long nr_scanned,
371 unsigned long nr_taken,
372#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
373 unsigned long nr_lumpy_taken,
374 unsigned long nr_lumpy_dirty,
375 unsigned long nr_lumpy_failed,
376#endif
377#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
7c68b363 378 isolate_mode_t isolate_mode
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379#else
380 isolate_mode_t isolate_mode,
7c68b363 381 int file
b283666f 382#endif
7c68b363 383 ),
b283666f 384
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385 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
386#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
387 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
388#endif
b283666f 389#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
7c68b363 390 isolate_mode
b283666f 391#else
7c68b363 392 isolate_mode, file
b283666f 393#endif
7c68b363 394 )
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395
396)
397
398DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
399
400 TP_PROTO(int order,
401 unsigned long nr_requested,
402 unsigned long nr_scanned,
403 unsigned long nr_taken,
404#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
405 unsigned long nr_lumpy_taken,
406 unsigned long nr_lumpy_dirty,
407 unsigned long nr_lumpy_failed,
408#endif
409#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
7c68b363 410 isolate_mode_t isolate_mode
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411#else
412 isolate_mode_t isolate_mode,
7c68b363 413 int file
b283666f 414#endif
7c68b363 415 ),
b283666f 416
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417 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
418#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
419 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
420#endif
b283666f 421#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
7c68b363 422 isolate_mode
b283666f 423#else
7c68b363 424 isolate_mode, file
b283666f 425#endif
7c68b363 426 )
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427)
428
429TRACE_EVENT(mm_vmscan_writepage,
430
431 TP_PROTO(struct page *page,
432 int reclaim_flags),
433
434 TP_ARGS(page, reclaim_flags),
435
436 TP_STRUCT__entry(
437 __field(struct page *, page)
438 __field(int, reclaim_flags)
439 ),
440
441 TP_fast_assign(
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442 tp_assign(page, page)
443 tp_assign(reclaim_flags, reclaim_flags)
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444 ),
445
446 TP_printk("page=%p pfn=%lu flags=%s",
447 __entry->page,
448 page_to_pfn(__entry->page),
449 show_reclaim_flags(__entry->reclaim_flags))
450)
451
7c68b363 452#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
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453TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
454
455 TP_PROTO(int nid, int zid,
456 unsigned long nr_scanned, unsigned long nr_reclaimed,
457 int priority, int reclaim_flags),
458
459 TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
460
461 TP_STRUCT__entry(
462 __field(int, nid)
463 __field(int, zid)
464 __field(unsigned long, nr_scanned)
465 __field(unsigned long, nr_reclaimed)
466 __field(int, priority)
467 __field(int, reclaim_flags)
468 ),
469
470 TP_fast_assign(
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471 tp_assign(nid, nid)
472 tp_assign(zid, zid)
473 tp_assign(nr_scanned, nr_scanned)
474 tp_assign(nr_reclaimed, nr_reclaimed)
475 tp_assign(priority, priority)
476 tp_assign(reclaim_flags, reclaim_flags)
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477 ),
478
479 TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
480 __entry->nid, __entry->zid,
481 __entry->nr_scanned, __entry->nr_reclaimed,
482 __entry->priority,
483 show_reclaim_flags(__entry->reclaim_flags))
484)
7c68b363 485#endif
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486
487#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
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488TRACE_EVENT_MAP(replace_swap_token,
489
490 mm_vmscan_replace_swap_token,
491
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492 TP_PROTO(struct mm_struct *old_mm,
493 struct mm_struct *new_mm),
494
495 TP_ARGS(old_mm, new_mm),
496
497 TP_STRUCT__entry(
498 __field(struct mm_struct*, old_mm)
499 __field(unsigned int, old_prio)
500 __field(struct mm_struct*, new_mm)
501 __field(unsigned int, new_prio)
502 ),
503
504 TP_fast_assign(
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505 tp_assign(old_mm, old_mm)
506 tp_assign(old_prio, old_mm ? old_mm->token_priority : 0)
507 tp_assign(new_mm, new_mm)
508 tp_assign(new_prio, new_mm->token_priority)
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509 ),
510
511 TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
512 __entry->old_mm, __entry->old_prio,
513 __entry->new_mm, __entry->new_prio)
514)
515
9cf29d3e 516DECLARE_EVENT_CLASS(mm_vmscan_put_swap_token_template,
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517 TP_PROTO(struct mm_struct *swap_token_mm),
518
519 TP_ARGS(swap_token_mm),
520
521 TP_STRUCT__entry(
522 __field(struct mm_struct*, swap_token_mm)
523 ),
524
525 TP_fast_assign(
d3ac4d63 526 tp_assign(swap_token_mm, swap_token_mm)
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527 ),
528
529 TP_printk("token_mm=%p", __entry->swap_token_mm)
530)
531
2dd3af12 532DEFINE_EVENT_MAP(mm_vmscan_put_swap_token_template, put_swap_token,
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533
534 mm_vmscan_put_swap_token,
535
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536 TP_PROTO(struct mm_struct *swap_token_mm),
537 TP_ARGS(swap_token_mm)
538)
539
2dd3af12 540DEFINE_EVENT_CONDITION_MAP(mm_vmscan_put_swap_token_template, disable_swap_token,
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541
542 mm_vmscan_disable_swap_token,
543
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544 TP_PROTO(struct mm_struct *swap_token_mm),
545 TP_ARGS(swap_token_mm),
546 TP_CONDITION(swap_token_mm != NULL)
547)
548
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549TRACE_EVENT_CONDITION_MAP(update_swap_token_priority,
550
551 mm_vmscan_update_swap_token_priority,
552
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553 TP_PROTO(struct mm_struct *mm,
554 unsigned int old_prio,
555 struct mm_struct *swap_token_mm),
556
557 TP_ARGS(mm, old_prio, swap_token_mm),
558
559 TP_CONDITION(mm->token_priority != old_prio),
560
561 TP_STRUCT__entry(
562 __field(struct mm_struct*, mm)
563 __field(unsigned int, old_prio)
564 __field(unsigned int, new_prio)
565 __field(struct mm_struct*, swap_token_mm)
566 __field(unsigned int, swap_token_prio)
567 ),
568
569 TP_fast_assign(
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570 tp_assign(mm, mm)
571 tp_assign(old_prio, old_prio)
572 tp_assign(new_prio, mm->token_priority)
573 tp_assign(swap_token_mm, swap_token_mm)
574 tp_assign(swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0)
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575 ),
576
577 TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
578 __entry->mm, __entry->old_prio, __entry->new_prio,
579 __entry->swap_token_mm, __entry->swap_token_prio)
580)
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581#endif
582
583#endif /* _TRACE_VMSCAN_H */
584
585/* This part must be outside protection */
586#include "../../../probes/define_trace.h"
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