1
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM vmscan
4
5#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_VMSCAN_H
7
8#include <linux/types.h>
9#include <linux/tracepoint.h>
10#include <linux/mm.h>
11#include <linux/memcontrol.h>
12#include <trace/events/mmflags.h>
13
14#define RECLAIM_WB_ANON 0x0001u
15#define RECLAIM_WB_FILE 0x0002u
16#define RECLAIM_WB_MIXED 0x0010u
17#define RECLAIM_WB_SYNC 0x0004u
18#define RECLAIM_WB_ASYNC 0x0008u
19#define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
20
21#define show_reclaim_flags(flags) \
22 (flags) ? __print_flags(flags, "|", \
23 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
24 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
25 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
26 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
27 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
28 ) : "RECLAIM_WB_NONE"
29
30#define _VMSCAN_THROTTLE_WRITEBACK (1 << VMSCAN_THROTTLE_WRITEBACK)
31#define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED)
32#define _VMSCAN_THROTTLE_NOPROGRESS (1 << VMSCAN_THROTTLE_NOPROGRESS)
33#define _VMSCAN_THROTTLE_CONGESTED (1 << VMSCAN_THROTTLE_CONGESTED)
34
35#define show_throttle_flags(flags) \
36 (flags) ? __print_flags(flags, "|", \
37 {_VMSCAN_THROTTLE_WRITEBACK, "VMSCAN_THROTTLE_WRITEBACK"}, \
38 {_VMSCAN_THROTTLE_ISOLATED, "VMSCAN_THROTTLE_ISOLATED"}, \
39 {_VMSCAN_THROTTLE_NOPROGRESS, "VMSCAN_THROTTLE_NOPROGRESS"}, \
40 {_VMSCAN_THROTTLE_CONGESTED, "VMSCAN_THROTTLE_CONGESTED"} \
41 ) : "VMSCAN_THROTTLE_NONE"
42
43
44#define trace_reclaim_flags(file) ( \
45 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
46 (RECLAIM_WB_ASYNC) \
47 )
48
49TRACE_EVENT(mm_vmscan_kswapd_sleep,
50
51 TP_PROTO(int nid),
52
53 TP_ARGS(nid),
54
55 TP_STRUCT__entry(
56 __field( int, nid )
57 ),
58
59 TP_fast_assign(
60 __entry->nid = nid;
61 ),
62
63 TP_printk("nid=%d", __entry->nid)
64);
65
66TRACE_EVENT(mm_vmscan_kswapd_wake,
67
68 TP_PROTO(int nid, int zid, int order),
69
70 TP_ARGS(nid, zid, order),
71
72 TP_STRUCT__entry(
73 __field( int, nid )
74 __field( int, zid )
75 __field( int, order )
76 ),
77
78 TP_fast_assign(
79 __entry->nid = nid;
80 __entry->zid = zid;
81 __entry->order = order;
82 ),
83
84 TP_printk("nid=%d order=%d",
85 __entry->nid,
86 __entry->order)
87);
88
89TRACE_EVENT(mm_vmscan_wakeup_kswapd,
90
91 TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),
92
93 TP_ARGS(nid, zid, order, gfp_flags),
94
95 TP_STRUCT__entry(
96 __field( int, nid )
97 __field( int, zid )
98 __field( int, order )
99 __field( gfp_t, gfp_flags )
100 ),
101
102 TP_fast_assign(
103 __entry->nid = nid;
104 __entry->zid = zid;
105 __entry->order = order;
106 __entry->gfp_flags = gfp_flags;
107 ),
108
109 TP_printk("nid=%d order=%d gfp_flags=%s",
110 __entry->nid,
111 __entry->order,
112 show_gfp_flags(__entry->gfp_flags))
113);
114
115DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
116
117 TP_PROTO(int order, gfp_t gfp_flags),
118
119 TP_ARGS(order, gfp_flags),
120
121 TP_STRUCT__entry(
122 __field( int, order )
123 __field( gfp_t, gfp_flags )
124 ),
125
126 TP_fast_assign(
127 __entry->order = order;
128 __entry->gfp_flags = gfp_flags;
129 ),
130
131 TP_printk("order=%d gfp_flags=%s",
132 __entry->order,
133 show_gfp_flags(__entry->gfp_flags))
134);
135
136DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
137
138 TP_PROTO(int order, gfp_t gfp_flags),
139
140 TP_ARGS(order, gfp_flags)
141);
142
143#ifdef CONFIG_MEMCG
144DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
145
146 TP_PROTO(int order, gfp_t gfp_flags),
147
148 TP_ARGS(order, gfp_flags)
149);
150
151DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
152
153 TP_PROTO(int order, gfp_t gfp_flags),
154
155 TP_ARGS(order, gfp_flags)
156);
157#endif
158
159DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
160
161 TP_PROTO(unsigned long nr_reclaimed),
162
163 TP_ARGS(nr_reclaimed),
164
165 TP_STRUCT__entry(
166 __field( unsigned long, nr_reclaimed )
167 ),
168
169 TP_fast_assign(
170 __entry->nr_reclaimed = nr_reclaimed;
171 ),
172
173 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
174);
175
176DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
177
178 TP_PROTO(unsigned long nr_reclaimed),
179
180 TP_ARGS(nr_reclaimed)
181);
182
183#ifdef CONFIG_MEMCG
184DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
185
186 TP_PROTO(unsigned long nr_reclaimed),
187
188 TP_ARGS(nr_reclaimed)
189);
190
191DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
192
193 TP_PROTO(unsigned long nr_reclaimed),
194
195 TP_ARGS(nr_reclaimed)
196);
197#endif
198
199TRACE_EVENT(mm_shrink_slab_start,
200 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
201 long nr_objects_to_shrink, unsigned long cache_items,
202 unsigned long long delta, unsigned long total_scan,
203 int priority),
204
205 TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
206 priority),
207
208 TP_STRUCT__entry(
209 __field(struct shrinker *, shr)
210 __field(void *, shrink)
211 __field(int, nid)
212 __field(long, nr_objects_to_shrink)
213 __field(gfp_t, gfp_flags)
214 __field(unsigned long, cache_items)
215 __field(unsigned long long, delta)
216 __field(unsigned long, total_scan)
217 __field(int, priority)
218 ),
219
220 TP_fast_assign(
221 __entry->shr = shr;
222 __entry->shrink = shr->scan_objects;
223 __entry->nid = sc->nid;
224 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
225 __entry->gfp_flags = sc->gfp_mask;
226 __entry->cache_items = cache_items;
227 __entry->delta = delta;
228 __entry->total_scan = total_scan;
229 __entry->priority = priority;
230 ),
231
232 TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
233 __entry->shrink,
234 __entry->shr,
235 __entry->nid,
236 __entry->nr_objects_to_shrink,
237 show_gfp_flags(__entry->gfp_flags),
238 __entry->cache_items,
239 __entry->delta,
240 __entry->total_scan,
241 __entry->priority)
242);
243
244TRACE_EVENT(mm_shrink_slab_end,
245 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
246 long unused_scan_cnt, long new_scan_cnt, long total_scan),
247
248 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
249 total_scan),
250
251 TP_STRUCT__entry(
252 __field(struct shrinker *, shr)
253 __field(int, nid)
254 __field(void *, shrink)
255 __field(long, unused_scan)
256 __field(long, new_scan)
257 __field(int, retval)
258 __field(long, total_scan)
259 ),
260
261 TP_fast_assign(
262 __entry->shr = shr;
263 __entry->nid = nid;
264 __entry->shrink = shr->scan_objects;
265 __entry->unused_scan = unused_scan_cnt;
266 __entry->new_scan = new_scan_cnt;
267 __entry->retval = shrinker_retval;
268 __entry->total_scan = total_scan;
269 ),
270
271 TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
272 __entry->shrink,
273 __entry->shr,
274 __entry->nid,
275 __entry->unused_scan,
276 __entry->new_scan,
277 __entry->total_scan,
278 __entry->retval)
279);
280
281TRACE_EVENT(mm_vmscan_lru_isolate,
282 TP_PROTO(int highest_zoneidx,
283 int order,
284 unsigned long nr_requested,
285 unsigned long nr_scanned,
286 unsigned long nr_skipped,
287 unsigned long nr_taken,
288 isolate_mode_t isolate_mode,
289 int lru),
290
291 TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
292
293 TP_STRUCT__entry(
294 __field(int, highest_zoneidx)
295 __field(int, order)
296 __field(unsigned long, nr_requested)
297 __field(unsigned long, nr_scanned)
298 __field(unsigned long, nr_skipped)
299 __field(unsigned long, nr_taken)
300 __field(isolate_mode_t, isolate_mode)
301 __field(int, lru)
302 ),
303
304 TP_fast_assign(
305 __entry->highest_zoneidx = highest_zoneidx;
306 __entry->order = order;
307 __entry->nr_requested = nr_requested;
308 __entry->nr_scanned = nr_scanned;
309 __entry->nr_skipped = nr_skipped;
310 __entry->nr_taken = nr_taken;
311 __entry->isolate_mode = isolate_mode;
312 __entry->lru = lru;
313 ),
314
315
316
317
318
319 TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
320 __entry->isolate_mode,
321 __entry->highest_zoneidx,
322 __entry->order,
323 __entry->nr_requested,
324 __entry->nr_scanned,
325 __entry->nr_skipped,
326 __entry->nr_taken,
327 __print_symbolic(__entry->lru, LRU_NAMES))
328);
329
330TRACE_EVENT(mm_vmscan_writepage,
331
332 TP_PROTO(struct page *page),
333
334 TP_ARGS(page),
335
336 TP_STRUCT__entry(
337 __field(unsigned long, pfn)
338 __field(int, reclaim_flags)
339 ),
340
341 TP_fast_assign(
342 __entry->pfn = page_to_pfn(page);
343 __entry->reclaim_flags = trace_reclaim_flags(
344 page_is_file_lru(page));
345 ),
346
347 TP_printk("page=%p pfn=0x%lx flags=%s",
348 pfn_to_page(__entry->pfn),
349 __entry->pfn,
350 show_reclaim_flags(__entry->reclaim_flags))
351);
352
353TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
354
355 TP_PROTO(int nid,
356 unsigned long nr_scanned, unsigned long nr_reclaimed,
357 struct reclaim_stat *stat, int priority, int file),
358
359 TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
360
361 TP_STRUCT__entry(
362 __field(int, nid)
363 __field(unsigned long, nr_scanned)
364 __field(unsigned long, nr_reclaimed)
365 __field(unsigned long, nr_dirty)
366 __field(unsigned long, nr_writeback)
367 __field(unsigned long, nr_congested)
368 __field(unsigned long, nr_immediate)
369 __field(unsigned int, nr_activate0)
370 __field(unsigned int, nr_activate1)
371 __field(unsigned long, nr_ref_keep)
372 __field(unsigned long, nr_unmap_fail)
373 __field(int, priority)
374 __field(int, reclaim_flags)
375 ),
376
377 TP_fast_assign(
378 __entry->nid = nid;
379 __entry->nr_scanned = nr_scanned;
380 __entry->nr_reclaimed = nr_reclaimed;
381 __entry->nr_dirty = stat->nr_dirty;
382 __entry->nr_writeback = stat->nr_writeback;
383 __entry->nr_congested = stat->nr_congested;
384 __entry->nr_immediate = stat->nr_immediate;
385 __entry->nr_activate0 = stat->nr_activate[0];
386 __entry->nr_activate1 = stat->nr_activate[1];
387 __entry->nr_ref_keep = stat->nr_ref_keep;
388 __entry->nr_unmap_fail = stat->nr_unmap_fail;
389 __entry->priority = priority;
390 __entry->reclaim_flags = trace_reclaim_flags(file);
391 ),
392
393 TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s",
394 __entry->nid,
395 __entry->nr_scanned, __entry->nr_reclaimed,
396 __entry->nr_dirty, __entry->nr_writeback,
397 __entry->nr_congested, __entry->nr_immediate,
398 __entry->nr_activate0, __entry->nr_activate1,
399 __entry->nr_ref_keep, __entry->nr_unmap_fail,
400 __entry->priority,
401 show_reclaim_flags(__entry->reclaim_flags))
402);
403
404TRACE_EVENT(mm_vmscan_lru_shrink_active,
405
406 TP_PROTO(int nid, unsigned long nr_taken,
407 unsigned long nr_active, unsigned long nr_deactivated,
408 unsigned long nr_referenced, int priority, int file),
409
410 TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
411
412 TP_STRUCT__entry(
413 __field(int, nid)
414 __field(unsigned long, nr_taken)
415 __field(unsigned long, nr_active)
416 __field(unsigned long, nr_deactivated)
417 __field(unsigned long, nr_referenced)
418 __field(int, priority)
419 __field(int, reclaim_flags)
420 ),
421
422 TP_fast_assign(
423 __entry->nid = nid;
424 __entry->nr_taken = nr_taken;
425 __entry->nr_active = nr_active;
426 __entry->nr_deactivated = nr_deactivated;
427 __entry->nr_referenced = nr_referenced;
428 __entry->priority = priority;
429 __entry->reclaim_flags = trace_reclaim_flags(file);
430 ),
431
432 TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
433 __entry->nid,
434 __entry->nr_taken,
435 __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
436 __entry->priority,
437 show_reclaim_flags(__entry->reclaim_flags))
438);
439
440TRACE_EVENT(mm_vmscan_node_reclaim_begin,
441
442 TP_PROTO(int nid, int order, gfp_t gfp_flags),
443
444 TP_ARGS(nid, order, gfp_flags),
445
446 TP_STRUCT__entry(
447 __field(int, nid)
448 __field(int, order)
449 __field(gfp_t, gfp_flags)
450 ),
451
452 TP_fast_assign(
453 __entry->nid = nid;
454 __entry->order = order;
455 __entry->gfp_flags = gfp_flags;
456 ),
457
458 TP_printk("nid=%d order=%d gfp_flags=%s",
459 __entry->nid,
460 __entry->order,
461 show_gfp_flags(__entry->gfp_flags))
462);
463
464DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
465
466 TP_PROTO(unsigned long nr_reclaimed),
467
468 TP_ARGS(nr_reclaimed)
469);
470
471TRACE_EVENT(mm_vmscan_throttled,
472
473 TP_PROTO(int nid, int usec_timeout, int usec_delayed, int reason),
474
475 TP_ARGS(nid, usec_timeout, usec_delayed, reason),
476
477 TP_STRUCT__entry(
478 __field(int, nid)
479 __field(int, usec_timeout)
480 __field(int, usec_delayed)
481 __field(int, reason)
482 ),
483
484 TP_fast_assign(
485 __entry->nid = nid;
486 __entry->usec_timeout = usec_timeout;
487 __entry->usec_delayed = usec_delayed;
488 __entry->reason = 1U << reason;
489 ),
490
491 TP_printk("nid=%d usec_timeout=%d usect_delayed=%d reason=%s",
492 __entry->nid,
493 __entry->usec_timeout,
494 __entry->usec_delayed,
495 show_throttle_flags(__entry->reason))
496);
497#endif
498
499
500#include <trace/define_trace.h>
501
