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