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
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
19#define show_reclaim_flags(flags) \
20 (flags) ? __print_flags(flags, "|", \
21 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \
22 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \
23 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \
24 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \
25 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \
26 ) : "RECLAIM_WB_NONE"
27
28#define trace_reclaim_flags(page) ( \
29 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
30 (RECLAIM_WB_ASYNC) \
31 )
32
33#define trace_shrink_flags(file) \
34 ( \
35 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
36 (RECLAIM_WB_ASYNC) \
37 )
38
39TRACE_EVENT(mm_vmscan_kswapd_sleep,
40
41 TP_PROTO(int nid),
42
43 TP_ARGS(nid),
44
45 TP_STRUCT__entry(
46 __field( int, nid )
47 ),
48
49 TP_fast_assign(
50 __entry->nid = nid;
51 ),
52
53 TP_printk("nid=%d", __entry->nid)
54);
55
56TRACE_EVENT(mm_vmscan_kswapd_wake,
57
58 TP_PROTO(int nid, int order),
59
60 TP_ARGS(nid, order),
61
62 TP_STRUCT__entry(
63 __field( int, nid )
64 __field( int, order )
65 ),
66
67 TP_fast_assign(
68 __entry->nid = nid;
69 __entry->order = order;
70 ),
71
72 TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
73);
74
75TRACE_EVENT(mm_vmscan_wakeup_kswapd,
76
77 TP_PROTO(int nid, int zid, int order),
78
79 TP_ARGS(nid, zid, order),
80
81 TP_STRUCT__entry(
82 __field( int, nid )
83 __field( int, zid )
84 __field( int, order )
85 ),
86
87 TP_fast_assign(
88 __entry->nid = nid;
89 __entry->zid = zid;
90 __entry->order = order;
91 ),
92
93 TP_printk("nid=%d zid=%d order=%d",
94 __entry->nid,
95 __entry->zid,
96 __entry->order)
97);
98
99DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
100
101 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
102
103 TP_ARGS(order, may_writepage, gfp_flags),
104
105 TP_STRUCT__entry(
106 __field( int, order )
107 __field( int, may_writepage )
108 __field( gfp_t, gfp_flags )
109 ),
110
111 TP_fast_assign(
112 __entry->order = order;
113 __entry->may_writepage = may_writepage;
114 __entry->gfp_flags = gfp_flags;
115 ),
116
117 TP_printk("order=%d may_writepage=%d gfp_flags=%s",
118 __entry->order,
119 __entry->may_writepage,
120 show_gfp_flags(__entry->gfp_flags))
121);
122
123DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
124
125 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
126
127 TP_ARGS(order, may_writepage, gfp_flags)
128);
129
130DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
131
132 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
133
134 TP_ARGS(order, may_writepage, gfp_flags)
135);
136
137DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
138
139 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
140
141 TP_ARGS(order, may_writepage, gfp_flags)
142);
143
144DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
145
146 TP_PROTO(unsigned long nr_reclaimed),
147
148 TP_ARGS(nr_reclaimed),
149
150 TP_STRUCT__entry(
151 __field( unsigned long, nr_reclaimed )
152 ),
153
154 TP_fast_assign(
155 __entry->nr_reclaimed = nr_reclaimed;
156 ),
157
158 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
159);
160
161DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
162
163 TP_PROTO(unsigned long nr_reclaimed),
164
165 TP_ARGS(nr_reclaimed)
166);
167
168DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
169
170 TP_PROTO(unsigned long nr_reclaimed),
171
172 TP_ARGS(nr_reclaimed)
173);
174
175DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
176
177 TP_PROTO(unsigned long nr_reclaimed),
178
179 TP_ARGS(nr_reclaimed)
180);
181
182TRACE_EVENT(mm_shrink_slab_start,
183 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
184 long nr_objects_to_shrink, unsigned long pgs_scanned,
185 unsigned long lru_pgs, unsigned long cache_items,
186 unsigned long long delta, unsigned long total_scan),
187
188 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
189 cache_items, delta, total_scan),
190
191 TP_STRUCT__entry(
192 __field(struct shrinker *, shr)
193 __field(void *, shrink)
194 __field(long, nr_objects_to_shrink)
195 __field(gfp_t, gfp_flags)
196 __field(unsigned long, pgs_scanned)
197 __field(unsigned long, lru_pgs)
198 __field(unsigned long, cache_items)
199 __field(unsigned long long, delta)
200 __field(unsigned long, total_scan)
201 ),
202
203 TP_fast_assign(
204 __entry->shr = shr;
205 __entry->shrink = shr->shrink;
206 __entry->nr_objects_to_shrink = nr_objects_to_shrink;
207 __entry->gfp_flags = sc->gfp_mask;
208 __entry->pgs_scanned = pgs_scanned;
209 __entry->lru_pgs = lru_pgs;
210 __entry->cache_items = cache_items;
211 __entry->delta = delta;
212 __entry->total_scan = total_scan;
213 ),
214
215 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",
216 __entry->shrink,
217 __entry->shr,
218 __entry->nr_objects_to_shrink,
219 show_gfp_flags(__entry->gfp_flags),
220 __entry->pgs_scanned,
221 __entry->lru_pgs,
222 __entry->cache_items,
223 __entry->delta,
224 __entry->total_scan)
225);
226
227TRACE_EVENT(mm_shrink_slab_end,
228 TP_PROTO(struct shrinker *shr, int shrinker_retval,
229 long unused_scan_cnt, long new_scan_cnt),
230
231 TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
232
233 TP_STRUCT__entry(
234 __field(struct shrinker *, shr)
235 __field(void *, shrink)
236 __field(long, unused_scan)
237 __field(long, new_scan)
238 __field(int, retval)
239 __field(long, total_scan)
240 ),
241
242 TP_fast_assign(
243 __entry->shr = shr;
244 __entry->shrink = shr->shrink;
245 __entry->unused_scan = unused_scan_cnt;
246 __entry->new_scan = new_scan_cnt;
247 __entry->retval = shrinker_retval;
248 __entry->total_scan = new_scan_cnt - unused_scan_cnt;
249 ),
250
251 TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
252 __entry->shrink,
253 __entry->shr,
254 __entry->unused_scan,
255 __entry->new_scan,
256 __entry->total_scan,
257 __entry->retval)
258);
259
260DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
261
262 TP_PROTO(int order,
263 unsigned long nr_requested,
264 unsigned long nr_scanned,
265 unsigned long nr_taken,
266 isolate_mode_t isolate_mode,
267 int file),
268
269 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file),
270
271 TP_STRUCT__entry(
272 __field(int, order)
273 __field(unsigned long, nr_requested)
274 __field(unsigned long, nr_scanned)
275 __field(unsigned long, nr_taken)
276 __field(isolate_mode_t, isolate_mode)
277 __field(int, file)
278 ),
279
280 TP_fast_assign(
281 __entry->order = order;
282 __entry->nr_requested = nr_requested;
283 __entry->nr_scanned = nr_scanned;
284 __entry->nr_taken = nr_taken;
285 __entry->isolate_mode = isolate_mode;
286 __entry->file = file;
287 ),
288
289 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
290 __entry->isolate_mode,
291 __entry->order,
292 __entry->nr_requested,
293 __entry->nr_scanned,
294 __entry->nr_taken,
295 __entry->file)
296);
297
298DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
299
300 TP_PROTO(int order,
301 unsigned long nr_requested,
302 unsigned long nr_scanned,
303 unsigned long nr_taken,
304 isolate_mode_t isolate_mode,
305 int file),
306
307 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
308
309);
310
311DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
312
313 TP_PROTO(int order,
314 unsigned long nr_requested,
315 unsigned long nr_scanned,
316 unsigned long nr_taken,
317 isolate_mode_t isolate_mode,
318 int file),
319
320 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
321
322);
323
324TRACE_EVENT(mm_vmscan_writepage,
325
326 TP_PROTO(struct page *page,
327 int reclaim_flags),
328
329 TP_ARGS(page, reclaim_flags),
330
331 TP_STRUCT__entry(
332 __field(struct page *, page)
333 __field(int, reclaim_flags)
334 ),
335
336 TP_fast_assign(
337 __entry->page = page;
338 __entry->reclaim_flags = reclaim_flags;
339 ),
340
341 TP_printk("page=%p pfn=%lu flags=%s",
342 __entry->page,
343 page_to_pfn(__entry->page),
344 show_reclaim_flags(__entry->reclaim_flags))
345);
346
347TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
348
349 TP_PROTO(int nid, int zid,
350 unsigned long nr_scanned, unsigned long nr_reclaimed,
351 int priority, int reclaim_flags),
352
353 TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
354
355 TP_STRUCT__entry(
356 __field(int, nid)
357 __field(int, zid)
358 __field(unsigned long, nr_scanned)
359 __field(unsigned long, nr_reclaimed)
360 __field(int, priority)
361 __field(int, reclaim_flags)
362 ),
363
364 TP_fast_assign(
365 __entry->nid = nid;
366 __entry->zid = zid;
367 __entry->nr_scanned = nr_scanned;
368 __entry->nr_reclaimed = nr_reclaimed;
369 __entry->priority = priority;
370 __entry->reclaim_flags = reclaim_flags;
371 ),
372
373 TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
374 __entry->nid, __entry->zid,
375 __entry->nr_scanned, __entry->nr_reclaimed,
376 __entry->priority,
377 show_reclaim_flags(__entry->reclaim_flags))
378);
379
380#endif
381
382
383#include <trace/define_trace.h>
384
