Line data Source code
1 : /* SPDX-License-Identifier: GPL-2.0 */
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 /* Unused, all reclaim async */
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 trace_reclaim_flags(file) ( \
31 : (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
32 : (RECLAIM_WB_ASYNC) \
33 : )
34 :
35 2 : TRACE_EVENT(mm_vmscan_kswapd_sleep,
36 :
37 : TP_PROTO(int nid),
38 :
39 : TP_ARGS(nid),
40 :
41 : TP_STRUCT__entry(
42 : __field( int, nid )
43 : ),
44 :
45 : TP_fast_assign(
46 : __entry->nid = nid;
47 : ),
48 :
49 : TP_printk("nid=%d", __entry->nid)
50 : );
51 :
52 0 : TRACE_EVENT(mm_vmscan_kswapd_wake,
53 :
54 : TP_PROTO(int nid, int zid, int order),
55 :
56 : TP_ARGS(nid, zid, order),
57 :
58 : TP_STRUCT__entry(
59 : __field( int, nid )
60 : __field( int, zid )
61 : __field( int, order )
62 : ),
63 :
64 : TP_fast_assign(
65 : __entry->nid = nid;
66 : __entry->zid = zid;
67 : __entry->order = order;
68 : ),
69 :
70 : TP_printk("nid=%d order=%d",
71 : __entry->nid,
72 : __entry->order)
73 : );
74 :
75 0 : TRACE_EVENT(mm_vmscan_wakeup_kswapd,
76 :
77 : TP_PROTO(int nid, int zid, int order, gfp_t gfp_flags),
78 :
79 : TP_ARGS(nid, zid, order, gfp_flags),
80 :
81 : TP_STRUCT__entry(
82 : __field( int, nid )
83 : __field( int, zid )
84 : __field( int, order )
85 : __field( gfp_t, gfp_flags )
86 : ),
87 :
88 : TP_fast_assign(
89 : __entry->nid = nid;
90 : __entry->zid = zid;
91 : __entry->order = order;
92 : __entry->gfp_flags = gfp_flags;
93 : ),
94 :
95 : TP_printk("nid=%d order=%d gfp_flags=%s",
96 : __entry->nid,
97 : __entry->order,
98 : show_gfp_flags(__entry->gfp_flags))
99 : );
100 :
101 0 : DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
102 :
103 : TP_PROTO(int order, gfp_t gfp_flags),
104 :
105 : TP_ARGS(order, gfp_flags),
106 :
107 : TP_STRUCT__entry(
108 : __field( int, order )
109 : __field( gfp_t, gfp_flags )
110 : ),
111 :
112 : TP_fast_assign(
113 : __entry->order = order;
114 : __entry->gfp_flags = gfp_flags;
115 : ),
116 :
117 : TP_printk("order=%d gfp_flags=%s",
118 : __entry->order,
119 : show_gfp_flags(__entry->gfp_flags))
120 : );
121 :
122 0 : DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
123 :
124 : TP_PROTO(int order, gfp_t gfp_flags),
125 :
126 : TP_ARGS(order, gfp_flags)
127 : );
128 :
129 : #ifdef CONFIG_MEMCG
130 : DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
131 :
132 : TP_PROTO(int order, gfp_t gfp_flags),
133 :
134 : TP_ARGS(order, gfp_flags)
135 : );
136 :
137 : DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
138 :
139 : TP_PROTO(int order, gfp_t gfp_flags),
140 :
141 : TP_ARGS(order, gfp_flags)
142 : );
143 : #endif /* CONFIG_MEMCG */
144 :
145 0 : DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
146 :
147 : TP_PROTO(unsigned long nr_reclaimed),
148 :
149 : TP_ARGS(nr_reclaimed),
150 :
151 : TP_STRUCT__entry(
152 : __field( unsigned long, nr_reclaimed )
153 : ),
154 :
155 : TP_fast_assign(
156 : __entry->nr_reclaimed = nr_reclaimed;
157 : ),
158 :
159 : TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
160 : );
161 :
162 0 : DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
163 :
164 : TP_PROTO(unsigned long nr_reclaimed),
165 :
166 : TP_ARGS(nr_reclaimed)
167 : );
168 :
169 : #ifdef CONFIG_MEMCG
170 : DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_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_softlimit_reclaim_end,
178 :
179 : TP_PROTO(unsigned long nr_reclaimed),
180 :
181 : TP_ARGS(nr_reclaimed)
182 : );
183 : #endif /* CONFIG_MEMCG */
184 :
185 0 : TRACE_EVENT(mm_shrink_slab_start,
186 : TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
187 : long nr_objects_to_shrink, unsigned long cache_items,
188 : unsigned long long delta, unsigned long total_scan,
189 : int priority),
190 :
191 : TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
192 : priority),
193 :
194 : TP_STRUCT__entry(
195 : __field(struct shrinker *, shr)
196 : __field(void *, shrink)
197 : __field(int, nid)
198 : __field(long, nr_objects_to_shrink)
199 : __field(gfp_t, gfp_flags)
200 : __field(unsigned long, cache_items)
201 : __field(unsigned long long, delta)
202 : __field(unsigned long, total_scan)
203 : __field(int, priority)
204 : ),
205 :
206 : TP_fast_assign(
207 : __entry->shr = shr;
208 : __entry->shrink = shr->scan_objects;
209 : __entry->nid = sc->nid;
210 : __entry->nr_objects_to_shrink = nr_objects_to_shrink;
211 : __entry->gfp_flags = sc->gfp_mask;
212 : __entry->cache_items = cache_items;
213 : __entry->delta = delta;
214 : __entry->total_scan = total_scan;
215 : __entry->priority = priority;
216 : ),
217 :
218 : TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
219 : __entry->shrink,
220 : __entry->shr,
221 : __entry->nid,
222 : __entry->nr_objects_to_shrink,
223 : show_gfp_flags(__entry->gfp_flags),
224 : __entry->cache_items,
225 : __entry->delta,
226 : __entry->total_scan,
227 : __entry->priority)
228 : );
229 :
230 0 : TRACE_EVENT(mm_shrink_slab_end,
231 : TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
232 : long unused_scan_cnt, long new_scan_cnt, long total_scan),
233 :
234 : TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
235 : total_scan),
236 :
237 : TP_STRUCT__entry(
238 : __field(struct shrinker *, shr)
239 : __field(int, nid)
240 : __field(void *, shrink)
241 : __field(long, unused_scan)
242 : __field(long, new_scan)
243 : __field(int, retval)
244 : __field(long, total_scan)
245 : ),
246 :
247 : TP_fast_assign(
248 : __entry->shr = shr;
249 : __entry->nid = nid;
250 : __entry->shrink = shr->scan_objects;
251 : __entry->unused_scan = unused_scan_cnt;
252 : __entry->new_scan = new_scan_cnt;
253 : __entry->retval = shrinker_retval;
254 : __entry->total_scan = total_scan;
255 : ),
256 :
257 : TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
258 : __entry->shrink,
259 : __entry->shr,
260 : __entry->nid,
261 : __entry->unused_scan,
262 : __entry->new_scan,
263 : __entry->total_scan,
264 : __entry->retval)
265 : );
266 :
267 0 : TRACE_EVENT(mm_vmscan_lru_isolate,
268 : TP_PROTO(int highest_zoneidx,
269 : int order,
270 : unsigned long nr_requested,
271 : unsigned long nr_scanned,
272 : unsigned long nr_skipped,
273 : unsigned long nr_taken,
274 : isolate_mode_t isolate_mode,
275 : int lru),
276 :
277 : TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
278 :
279 : TP_STRUCT__entry(
280 : __field(int, highest_zoneidx)
281 : __field(int, order)
282 : __field(unsigned long, nr_requested)
283 : __field(unsigned long, nr_scanned)
284 : __field(unsigned long, nr_skipped)
285 : __field(unsigned long, nr_taken)
286 : __field(isolate_mode_t, isolate_mode)
287 : __field(int, lru)
288 : ),
289 :
290 : TP_fast_assign(
291 : __entry->highest_zoneidx = highest_zoneidx;
292 : __entry->order = order;
293 : __entry->nr_requested = nr_requested;
294 : __entry->nr_scanned = nr_scanned;
295 : __entry->nr_skipped = nr_skipped;
296 : __entry->nr_taken = nr_taken;
297 : __entry->isolate_mode = isolate_mode;
298 : __entry->lru = lru;
299 : ),
300 :
301 : /*
302 : * classzone is previous name of the highest_zoneidx.
303 : * Reason not to change it is the ABI requirement of the tracepoint.
304 : */
305 : TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
306 : __entry->isolate_mode,
307 : __entry->highest_zoneidx,
308 : __entry->order,
309 : __entry->nr_requested,
310 : __entry->nr_scanned,
311 : __entry->nr_skipped,
312 : __entry->nr_taken,
313 : __print_symbolic(__entry->lru, LRU_NAMES))
314 : );
315 :
316 0 : TRACE_EVENT(mm_vmscan_writepage,
317 :
318 : TP_PROTO(struct page *page),
319 :
320 : TP_ARGS(page),
321 :
322 : TP_STRUCT__entry(
323 : __field(unsigned long, pfn)
324 : __field(int, reclaim_flags)
325 : ),
326 :
327 : TP_fast_assign(
328 : __entry->pfn = page_to_pfn(page);
329 : __entry->reclaim_flags = trace_reclaim_flags(
330 : page_is_file_lru(page));
331 : ),
332 :
333 : TP_printk("page=%p pfn=%lu flags=%s",
334 : pfn_to_page(__entry->pfn),
335 : __entry->pfn,
336 : show_reclaim_flags(__entry->reclaim_flags))
337 : );
338 :
339 0 : TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
340 :
341 : TP_PROTO(int nid,
342 : unsigned long nr_scanned, unsigned long nr_reclaimed,
343 : struct reclaim_stat *stat, int priority, int file),
344 :
345 : TP_ARGS(nid, nr_scanned, nr_reclaimed, stat, priority, file),
346 :
347 : TP_STRUCT__entry(
348 : __field(int, nid)
349 : __field(unsigned long, nr_scanned)
350 : __field(unsigned long, nr_reclaimed)
351 : __field(unsigned long, nr_dirty)
352 : __field(unsigned long, nr_writeback)
353 : __field(unsigned long, nr_congested)
354 : __field(unsigned long, nr_immediate)
355 : __field(unsigned int, nr_activate0)
356 : __field(unsigned int, nr_activate1)
357 : __field(unsigned long, nr_ref_keep)
358 : __field(unsigned long, nr_unmap_fail)
359 : __field(int, priority)
360 : __field(int, reclaim_flags)
361 : ),
362 :
363 : TP_fast_assign(
364 : __entry->nid = nid;
365 : __entry->nr_scanned = nr_scanned;
366 : __entry->nr_reclaimed = nr_reclaimed;
367 : __entry->nr_dirty = stat->nr_dirty;
368 : __entry->nr_writeback = stat->nr_writeback;
369 : __entry->nr_congested = stat->nr_congested;
370 : __entry->nr_immediate = stat->nr_immediate;
371 : __entry->nr_activate0 = stat->nr_activate[0];
372 : __entry->nr_activate1 = stat->nr_activate[1];
373 : __entry->nr_ref_keep = stat->nr_ref_keep;
374 : __entry->nr_unmap_fail = stat->nr_unmap_fail;
375 : __entry->priority = priority;
376 : __entry->reclaim_flags = trace_reclaim_flags(file);
377 : ),
378 :
379 : 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",
380 : __entry->nid,
381 : __entry->nr_scanned, __entry->nr_reclaimed,
382 : __entry->nr_dirty, __entry->nr_writeback,
383 : __entry->nr_congested, __entry->nr_immediate,
384 : __entry->nr_activate0, __entry->nr_activate1,
385 : __entry->nr_ref_keep, __entry->nr_unmap_fail,
386 : __entry->priority,
387 : show_reclaim_flags(__entry->reclaim_flags))
388 : );
389 :
390 0 : TRACE_EVENT(mm_vmscan_lru_shrink_active,
391 :
392 : TP_PROTO(int nid, unsigned long nr_taken,
393 : unsigned long nr_active, unsigned long nr_deactivated,
394 : unsigned long nr_referenced, int priority, int file),
395 :
396 : TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
397 :
398 : TP_STRUCT__entry(
399 : __field(int, nid)
400 : __field(unsigned long, nr_taken)
401 : __field(unsigned long, nr_active)
402 : __field(unsigned long, nr_deactivated)
403 : __field(unsigned long, nr_referenced)
404 : __field(int, priority)
405 : __field(int, reclaim_flags)
406 : ),
407 :
408 : TP_fast_assign(
409 : __entry->nid = nid;
410 : __entry->nr_taken = nr_taken;
411 : __entry->nr_active = nr_active;
412 : __entry->nr_deactivated = nr_deactivated;
413 : __entry->nr_referenced = nr_referenced;
414 : __entry->priority = priority;
415 : __entry->reclaim_flags = trace_reclaim_flags(file);
416 : ),
417 :
418 : TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
419 : __entry->nid,
420 : __entry->nr_taken,
421 : __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
422 : __entry->priority,
423 : show_reclaim_flags(__entry->reclaim_flags))
424 : );
425 :
426 0 : TRACE_EVENT(mm_vmscan_inactive_list_is_low,
427 :
428 : TP_PROTO(int nid, int reclaim_idx,
429 : unsigned long total_inactive, unsigned long inactive,
430 : unsigned long total_active, unsigned long active,
431 : unsigned long ratio, int file),
432 :
433 : TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
434 :
435 : TP_STRUCT__entry(
436 : __field(int, nid)
437 : __field(int, reclaim_idx)
438 : __field(unsigned long, total_inactive)
439 : __field(unsigned long, inactive)
440 : __field(unsigned long, total_active)
441 : __field(unsigned long, active)
442 : __field(unsigned long, ratio)
443 : __field(int, reclaim_flags)
444 : ),
445 :
446 : TP_fast_assign(
447 : __entry->nid = nid;
448 : __entry->reclaim_idx = reclaim_idx;
449 : __entry->total_inactive = total_inactive;
450 : __entry->inactive = inactive;
451 : __entry->total_active = total_active;
452 : __entry->active = active;
453 : __entry->ratio = ratio;
454 : __entry->reclaim_flags = trace_reclaim_flags(file) &
455 : RECLAIM_WB_LRU;
456 : ),
457 :
458 : TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
459 : __entry->nid,
460 : __entry->reclaim_idx,
461 : __entry->total_inactive, __entry->inactive,
462 : __entry->total_active, __entry->active,
463 : __entry->ratio,
464 : show_reclaim_flags(__entry->reclaim_flags))
465 : );
466 :
467 0 : TRACE_EVENT(mm_vmscan_node_reclaim_begin,
468 :
469 : TP_PROTO(int nid, int order, gfp_t gfp_flags),
470 :
471 : TP_ARGS(nid, order, gfp_flags),
472 :
473 : TP_STRUCT__entry(
474 : __field(int, nid)
475 : __field(int, order)
476 : __field(gfp_t, gfp_flags)
477 : ),
478 :
479 : TP_fast_assign(
480 : __entry->nid = nid;
481 : __entry->order = order;
482 : __entry->gfp_flags = gfp_flags;
483 : ),
484 :
485 : TP_printk("nid=%d order=%d gfp_flags=%s",
486 : __entry->nid,
487 : __entry->order,
488 : show_gfp_flags(__entry->gfp_flags))
489 : );
490 :
491 0 : DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
492 :
493 : TP_PROTO(unsigned long nr_reclaimed),
494 :
495 : TP_ARGS(nr_reclaimed)
496 : );
497 :
498 : #endif /* _TRACE_VMSCAN_H */
499 :
500 : /* This part must be outside protection */
501 : #include <trace/define_trace.h>
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