Fix: check reference counts for overflow
[lttng-modules.git] / instrumentation / events / lttng-module / mm_vmscan.h
... / ...
CommitLineData
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM mm_vmscan
3
4#if !defined(LTTNG_TRACE_MM_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
5#define LTTNG_TRACE_MM_VMSCAN_H
6
7#include "../../../probes/lttng-tracepoint-event.h"
8#include <linux/types.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(3,0,38)) || \
23 LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
24typedef int isolate_mode_t;
25#endif
26
27#endif
28
29LTTNG_TRACEPOINT_EVENT(mm_vmscan_kswapd_sleep,
30
31 TP_PROTO(int nid),
32
33 TP_ARGS(nid),
34
35 TP_FIELDS(
36 ctf_integer(int, nid, nid)
37 )
38)
39
40LTTNG_TRACEPOINT_EVENT(mm_vmscan_kswapd_wake,
41
42 TP_PROTO(int nid, int order),
43
44 TP_ARGS(nid, order),
45
46 TP_FIELDS(
47 ctf_integer(int, nid, nid)
48 ctf_integer(int, order, order)
49 )
50)
51
52LTTNG_TRACEPOINT_EVENT(mm_vmscan_wakeup_kswapd,
53
54 TP_PROTO(int nid, int zid, int order),
55
56 TP_ARGS(nid, zid, order),
57
58 TP_FIELDS(
59 ctf_integer(int, nid, nid)
60 ctf_integer(int, zid, zid)
61 ctf_integer(int, order, order)
62 )
63)
64
65LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
66
67 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
68
69 TP_ARGS(order, may_writepage, gfp_flags),
70
71 TP_FIELDS(
72 ctf_integer(int, order, order)
73 ctf_integer(int, may_writepage, may_writepage)
74 ctf_integer(gfp_t, gfp_flags, gfp_flags)
75 )
76)
77
78LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
79
80 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
81
82 TP_ARGS(order, may_writepage, gfp_flags)
83)
84
85LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
86
87 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
88
89 TP_ARGS(order, may_writepage, gfp_flags)
90)
91
92LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
93
94 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
95
96 TP_ARGS(order, may_writepage, gfp_flags)
97)
98
99LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
100
101 TP_PROTO(unsigned long nr_reclaimed),
102
103 TP_ARGS(nr_reclaimed),
104
105 TP_FIELDS(
106 ctf_integer(unsigned long, nr_reclaimed, nr_reclaimed)
107 )
108)
109
110LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
111
112 TP_PROTO(unsigned long nr_reclaimed),
113
114 TP_ARGS(nr_reclaimed)
115)
116
117LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
118
119 TP_PROTO(unsigned long nr_reclaimed),
120
121 TP_ARGS(nr_reclaimed)
122)
123
124LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
125
126 TP_PROTO(unsigned long nr_reclaimed),
127
128 TP_ARGS(nr_reclaimed)
129)
130
131#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
132LTTNG_TRACEPOINT_EVENT_MAP(mm_shrink_slab_start,
133
134 mm_vmscan_shrink_slab_start,
135
136 TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
137 long nr_objects_to_shrink, unsigned long pgs_scanned,
138 unsigned long lru_pgs, unsigned long cache_items,
139 unsigned long long delta, unsigned long total_scan),
140
141 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
142 cache_items, delta, total_scan),
143
144 TP_FIELDS(
145 ctf_integer(struct shrinker *, shr, shr)
146#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
147 ctf_integer(void *, shrink, shr->scan_objects)
148#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
149 ctf_integer(void *, shrink, shr->shrink)
150#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
151 ctf_integer(long, nr_objects_to_shrink, nr_objects_to_shrink)
152 ctf_integer(gfp_t, gfp_flags, sc->gfp_mask)
153 ctf_integer(unsigned long, pgs_scanned, pgs_scanned)
154 ctf_integer(unsigned long, lru_pgs, lru_pgs)
155 ctf_integer(unsigned long, cache_items, cache_items)
156 ctf_integer(unsigned long long, delta, delta)
157 ctf_integer(unsigned long, total_scan, total_scan)
158 )
159)
160
161#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
162LTTNG_TRACEPOINT_EVENT_MAP(mm_shrink_slab_end,
163
164 mm_vmscan_shrink_slab_end,
165
166 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
167 long unused_scan_cnt, long new_scan_cnt, long total_scan),
168
169 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
170 total_scan),
171
172 TP_FIELDS(
173 ctf_integer(struct shrinker *, shr, shr)
174 ctf_integer(int, nid, nid)
175 ctf_integer(void *, shrink, shr->scan_objects)
176 ctf_integer(long, unused_scan, unused_scan_cnt)
177 ctf_integer(long, new_scan, new_scan_cnt)
178 ctf_integer(int, retval, shrinker_retval)
179 ctf_integer(long, total_scan, total_scan)
180 )
181)
182#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
183LTTNG_TRACEPOINT_EVENT_MAP(mm_shrink_slab_end,
184
185 mm_vmscan_shrink_slab_end,
186
187 TP_PROTO(struct shrinker *shr, int shrinker_retval,
188 long unused_scan_cnt, long new_scan_cnt),
189
190 TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
191
192 TP_FIELDS(
193 ctf_integer(struct shrinker *, shr, shr)
194#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
195 ctf_integer(void *, shrink, shr->scan_objects)
196#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
197 ctf_integer(void *, shrink, shr->shrink)
198#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
199 ctf_integer(long, unused_scan, unused_scan_cnt)
200 ctf_integer(long, new_scan, new_scan_cnt)
201 ctf_integer(int, retval, shrinker_retval)
202 ctf_integer(long, total_scan, new_scan_cnt - unused_scan_cnt)
203 )
204)
205#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
206#endif
207
208LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_lru_isolate_template,
209
210 TP_PROTO(int order,
211 unsigned long nr_requested,
212 unsigned long nr_scanned,
213 unsigned long nr_taken,
214#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
215 unsigned long nr_lumpy_taken,
216 unsigned long nr_lumpy_dirty,
217 unsigned long nr_lumpy_failed,
218#endif
219#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
220 isolate_mode_t isolate_mode
221#else
222 isolate_mode_t isolate_mode,
223 int file
224#endif
225 ),
226
227 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
228#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
229 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
230#endif
231#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
232 isolate_mode
233#else
234 isolate_mode, file
235#endif
236 ),
237
238
239 TP_FIELDS(
240 ctf_integer(int, order, order)
241 ctf_integer(unsigned long, nr_requested, nr_requested)
242 ctf_integer(unsigned long, nr_scanned, nr_scanned)
243 ctf_integer(unsigned long, nr_taken, nr_taken)
244#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
245 ctf_integer(unsigned long, nr_lumpy_taken, nr_lumpy_taken)
246 ctf_integer(unsigned long, nr_lumpy_dirty, nr_lumpy_dirty)
247 ctf_integer(unsigned long, nr_lumpy_failed, nr_lumpy_failed)
248#endif
249 ctf_integer(isolate_mode_t, isolate_mode, isolate_mode)
250#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
251 ctf_integer(int, file, file)
252#endif
253 )
254)
255
256LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
257
258 TP_PROTO(int order,
259 unsigned long nr_requested,
260 unsigned long nr_scanned,
261 unsigned long nr_taken,
262#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
263 unsigned long nr_lumpy_taken,
264 unsigned long nr_lumpy_dirty,
265 unsigned long nr_lumpy_failed,
266#endif
267#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
268 isolate_mode_t isolate_mode
269#else
270 isolate_mode_t isolate_mode,
271 int file
272#endif
273 ),
274
275 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
276#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
277 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
278#endif
279#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
280 isolate_mode
281#else
282 isolate_mode, file
283#endif
284 )
285
286)
287
288LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
289
290 TP_PROTO(int order,
291 unsigned long nr_requested,
292 unsigned long nr_scanned,
293 unsigned long nr_taken,
294#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
295 unsigned long nr_lumpy_taken,
296 unsigned long nr_lumpy_dirty,
297 unsigned long nr_lumpy_failed,
298#endif
299#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
300 isolate_mode_t isolate_mode
301#else
302 isolate_mode_t isolate_mode,
303 int file
304#endif
305 ),
306
307 TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
308#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
309 nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
310#endif
311#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
312 isolate_mode
313#else
314 isolate_mode, file
315#endif
316 )
317)
318
319LTTNG_TRACEPOINT_EVENT(mm_vmscan_writepage,
320
321 TP_PROTO(struct page *page,
322 int reclaim_flags),
323
324 TP_ARGS(page, reclaim_flags),
325
326 TP_FIELDS(
327 ctf_integer(struct page *, page, page)
328 ctf_integer(int, reclaim_flags, reclaim_flags)
329 )
330)
331
332#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
333LTTNG_TRACEPOINT_EVENT(mm_vmscan_lru_shrink_inactive,
334
335 TP_PROTO(int nid, int zid,
336 unsigned long nr_scanned, unsigned long nr_reclaimed,
337 int priority, int reclaim_flags),
338
339 TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
340
341 TP_FIELDS(
342 ctf_integer(int, nid, nid)
343 ctf_integer(int, zid, zid)
344 ctf_integer(unsigned long, nr_scanned, nr_scanned)
345 ctf_integer(unsigned long, nr_reclaimed, nr_reclaimed)
346 ctf_integer(int, priority, priority)
347 ctf_integer(int, reclaim_flags, reclaim_flags)
348 )
349)
350#endif
351
352#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
353LTTNG_TRACEPOINT_EVENT_MAP(replace_swap_token,
354
355 mm_vmscan_replace_swap_token,
356
357 TP_PROTO(struct mm_struct *old_mm,
358 struct mm_struct *new_mm),
359
360 TP_ARGS(old_mm, new_mm),
361
362 TP_FIELDS(
363 ctf_integer(struct mm_struct *, old_mm, old_mm)
364 ctf_integer(unsigned int, old_prio, old_mm ? old_mm->token_priority : 0)
365 ctf_integer(struct mm_struct *, new_mm, new_mm)
366 ctf_integer(unsigned int, new_prio, new_mm->token_priority)
367 )
368)
369
370LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_put_swap_token_template,
371 TP_PROTO(struct mm_struct *swap_token_mm),
372
373 TP_ARGS(swap_token_mm),
374
375 TP_FIELDS(
376 ctf_integer(struct mm_struct*, swap_token_mm, swap_token_mm)
377 )
378)
379
380LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(mm_vmscan_put_swap_token_template, put_swap_token,
381
382 mm_vmscan_put_swap_token,
383
384 TP_PROTO(struct mm_struct *swap_token_mm),
385 TP_ARGS(swap_token_mm)
386)
387
388LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(mm_vmscan_put_swap_token_template, disable_swap_token,
389
390 mm_vmscan_disable_swap_token,
391
392 TP_PROTO(struct mm_struct *swap_token_mm),
393 TP_ARGS(swap_token_mm)
394)
395
396LTTNG_TRACEPOINT_EVENT_MAP(update_swap_token_priority,
397
398 mm_vmscan_update_swap_token_priority,
399
400 TP_PROTO(struct mm_struct *mm,
401 unsigned int old_prio,
402 struct mm_struct *swap_token_mm),
403
404 TP_ARGS(mm, old_prio, swap_token_mm),
405
406 TP_FIELDS(
407 ctf_integer(struct mm_struct*, mm, mm)
408 ctf_integer(unsigned int, old_prio, old_prio)
409 ctf_integer(unsigned int, new_prio, mm->token_priority)
410 ctf_integer(struct mm_struct*, swap_token_mm, swap_token_mm)
411 ctf_integer(unsigned int, swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0)
412 )
413)
414#endif
415
416#endif /* LTTNG_TRACE_MM_VMSCAN_H */
417
418/* This part must be outside protection */
419#include "../../../probes/define_trace.h"
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