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1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM kmem
4
5#if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_KMEM_H
7
8#include <linux/types.h>
9#include <linux/tracepoint.h>
10#include <trace/events/mmflags.h>
11
12TRACE_EVENT(kmem_cache_alloc,
13
14 TP_PROTO(unsigned long call_site,
15 const void *ptr,
16 struct kmem_cache *s,
17 gfp_t gfp_flags,
18 int node),
19
20 TP_ARGS(call_site, ptr, s, gfp_flags, node),
21
22 TP_STRUCT__entry(
23 __field( unsigned long, call_site )
24 __field( const void *, ptr )
25 __field( size_t, bytes_req )
26 __field( size_t, bytes_alloc )
27 __field( unsigned long, gfp_flags )
28 __field( int, node )
29 __field( bool, accounted )
30 ),
31
32 TP_fast_assign(
33 __entry->call_site = call_site;
34 __entry->ptr = ptr;
35 __entry->bytes_req = s->object_size;
36 __entry->bytes_alloc = s->size;
37 __entry->gfp_flags = (__force unsigned long)gfp_flags;
38 __entry->node = node;
39 __entry->accounted = IS_ENABLED(CONFIG_MEMCG_KMEM) ?
40 ((gfp_flags & __GFP_ACCOUNT) ||
41 (s->flags & SLAB_ACCOUNT)) : false;
42 ),
43
44 TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d accounted=%s",
45 (void *)__entry->call_site,
46 __entry->ptr,
47 __entry->bytes_req,
48 __entry->bytes_alloc,
49 show_gfp_flags(__entry->gfp_flags),
50 __entry->node,
51 __entry->accounted ? "true" : "false")
52);
53
54TRACE_EVENT(kmalloc,
55
56 TP_PROTO(unsigned long call_site,
57 const void *ptr,
58 size_t bytes_req,
59 size_t bytes_alloc,
60 gfp_t gfp_flags,
61 int node),
62
63 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
64
65 TP_STRUCT__entry(
66 __field( unsigned long, call_site )
67 __field( const void *, ptr )
68 __field( size_t, bytes_req )
69 __field( size_t, bytes_alloc )
70 __field( unsigned long, gfp_flags )
71 __field( int, node )
72 ),
73
74 TP_fast_assign(
75 __entry->call_site = call_site;
76 __entry->ptr = ptr;
77 __entry->bytes_req = bytes_req;
78 __entry->bytes_alloc = bytes_alloc;
79 __entry->gfp_flags = (__force unsigned long)gfp_flags;
80 __entry->node = node;
81 ),
82
83 TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d accounted=%s",
84 (void *)__entry->call_site,
85 __entry->ptr,
86 __entry->bytes_req,
87 __entry->bytes_alloc,
88 show_gfp_flags(__entry->gfp_flags),
89 __entry->node,
90 (IS_ENABLED(CONFIG_MEMCG_KMEM) &&
91 (__entry->gfp_flags & (__force unsigned long)__GFP_ACCOUNT)) ? "true" : "false")
92);
93
94TRACE_EVENT(kfree,
95
96 TP_PROTO(unsigned long call_site, const void *ptr),
97
98 TP_ARGS(call_site, ptr),
99
100 TP_STRUCT__entry(
101 __field( unsigned long, call_site )
102 __field( const void *, ptr )
103 ),
104
105 TP_fast_assign(
106 __entry->call_site = call_site;
107 __entry->ptr = ptr;
108 ),
109
110 TP_printk("call_site=%pS ptr=%p",
111 (void *)__entry->call_site, __entry->ptr)
112);
113
114TRACE_EVENT(kmem_cache_free,
115
116 TP_PROTO(unsigned long call_site, const void *ptr, const struct kmem_cache *s),
117
118 TP_ARGS(call_site, ptr, s),
119
120 TP_STRUCT__entry(
121 __field( unsigned long, call_site )
122 __field( const void *, ptr )
123 __string( name, s->name )
124 ),
125
126 TP_fast_assign(
127 __entry->call_site = call_site;
128 __entry->ptr = ptr;
129 __assign_str(name, s->name);
130 ),
131
132 TP_printk("call_site=%pS ptr=%p name=%s",
133 (void *)__entry->call_site, __entry->ptr, __get_str(name))
134);
135
136TRACE_EVENT(mm_page_free,
137
138 TP_PROTO(struct page *page, unsigned int order),
139
140 TP_ARGS(page, order),
141
142 TP_STRUCT__entry(
143 __field( unsigned long, pfn )
144 __field( unsigned int, order )
145 ),
146
147 TP_fast_assign(
148 __entry->pfn = page_to_pfn(page);
149 __entry->order = order;
150 ),
151
152 TP_printk("page=%p pfn=0x%lx order=%d",
153 pfn_to_page(__entry->pfn),
154 __entry->pfn,
155 __entry->order)
156);
157
158TRACE_EVENT(mm_page_free_batched,
159
160 TP_PROTO(struct page *page),
161
162 TP_ARGS(page),
163
164 TP_STRUCT__entry(
165 __field( unsigned long, pfn )
166 ),
167
168 TP_fast_assign(
169 __entry->pfn = page_to_pfn(page);
170 ),
171
172 TP_printk("page=%p pfn=0x%lx order=0",
173 pfn_to_page(__entry->pfn),
174 __entry->pfn)
175);
176
177TRACE_EVENT(mm_page_alloc,
178
179 TP_PROTO(struct page *page, unsigned int order,
180 gfp_t gfp_flags, int migratetype),
181
182 TP_ARGS(page, order, gfp_flags, migratetype),
183
184 TP_STRUCT__entry(
185 __field( unsigned long, pfn )
186 __field( unsigned int, order )
187 __field( unsigned long, gfp_flags )
188 __field( int, migratetype )
189 ),
190
191 TP_fast_assign(
192 __entry->pfn = page ? page_to_pfn(page) : -1UL;
193 __entry->order = order;
194 __entry->gfp_flags = (__force unsigned long)gfp_flags;
195 __entry->migratetype = migratetype;
196 ),
197
198 TP_printk("page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
199 __entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
200 __entry->pfn != -1UL ? __entry->pfn : 0,
201 __entry->order,
202 __entry->migratetype,
203 show_gfp_flags(__entry->gfp_flags))
204);
205
206DECLARE_EVENT_CLASS(mm_page,
207
208 TP_PROTO(struct page *page, unsigned int order, int migratetype,
209 int percpu_refill),
210
211 TP_ARGS(page, order, migratetype, percpu_refill),
212
213 TP_STRUCT__entry(
214 __field( unsigned long, pfn )
215 __field( unsigned int, order )
216 __field( int, migratetype )
217 __field( int, percpu_refill )
218 ),
219
220 TP_fast_assign(
221 __entry->pfn = page ? page_to_pfn(page) : -1UL;
222 __entry->order = order;
223 __entry->migratetype = migratetype;
224 __entry->percpu_refill = percpu_refill;
225 ),
226
227 TP_printk("page=%p pfn=0x%lx order=%u migratetype=%d percpu_refill=%d",
228 __entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
229 __entry->pfn != -1UL ? __entry->pfn : 0,
230 __entry->order,
231 __entry->migratetype,
232 __entry->percpu_refill)
233);
234
235DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
236
237 TP_PROTO(struct page *page, unsigned int order, int migratetype,
238 int percpu_refill),
239
240 TP_ARGS(page, order, migratetype, percpu_refill)
241);
242
243TRACE_EVENT(mm_page_pcpu_drain,
244
245 TP_PROTO(struct page *page, unsigned int order, int migratetype),
246
247 TP_ARGS(page, order, migratetype),
248
249 TP_STRUCT__entry(
250 __field( unsigned long, pfn )
251 __field( unsigned int, order )
252 __field( int, migratetype )
253 ),
254
255 TP_fast_assign(
256 __entry->pfn = page ? page_to_pfn(page) : -1UL;
257 __entry->order = order;
258 __entry->migratetype = migratetype;
259 ),
260
261 TP_printk("page=%p pfn=0x%lx order=%d migratetype=%d",
262 pfn_to_page(__entry->pfn), __entry->pfn,
263 __entry->order, __entry->migratetype)
264);
265
266TRACE_EVENT(mm_page_alloc_extfrag,
267
268 TP_PROTO(struct page *page,
269 int alloc_order, int fallback_order,
270 int alloc_migratetype, int fallback_migratetype),
271
272 TP_ARGS(page,
273 alloc_order, fallback_order,
274 alloc_migratetype, fallback_migratetype),
275
276 TP_STRUCT__entry(
277 __field( unsigned long, pfn )
278 __field( int, alloc_order )
279 __field( int, fallback_order )
280 __field( int, alloc_migratetype )
281 __field( int, fallback_migratetype )
282 __field( int, change_ownership )
283 ),
284
285 TP_fast_assign(
286 __entry->pfn = page_to_pfn(page);
287 __entry->alloc_order = alloc_order;
288 __entry->fallback_order = fallback_order;
289 __entry->alloc_migratetype = alloc_migratetype;
290 __entry->fallback_migratetype = fallback_migratetype;
291 __entry->change_ownership = (alloc_migratetype ==
292 get_pageblock_migratetype(page));
293 ),
294
295 TP_printk("page=%p pfn=0x%lx alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
296 pfn_to_page(__entry->pfn),
297 __entry->pfn,
298 __entry->alloc_order,
299 __entry->fallback_order,
300 pageblock_order,
301 __entry->alloc_migratetype,
302 __entry->fallback_migratetype,
303 __entry->fallback_order < pageblock_order,
304 __entry->change_ownership)
305);
306
307/*
308 * Required for uniquely and securely identifying mm in rss_stat tracepoint.
309 */
310#ifndef __PTR_TO_HASHVAL
311static unsigned int __maybe_unused mm_ptr_to_hash(const void *ptr)
312{
313 int ret;
314 unsigned long hashval;
315
316 ret = ptr_to_hashval(ptr, &hashval);
317 if (ret)
318 return 0;
319
320 /* The hashed value is only 32-bit */
321 return (unsigned int)hashval;
322}
323#define __PTR_TO_HASHVAL
324#endif
325
326#define TRACE_MM_PAGES \
327 EM(MM_FILEPAGES) \
328 EM(MM_ANONPAGES) \
329 EM(MM_SWAPENTS) \
330 EMe(MM_SHMEMPAGES)
331
332#undef EM
333#undef EMe
334
335#define EM(a) TRACE_DEFINE_ENUM(a);
336#define EMe(a) TRACE_DEFINE_ENUM(a);
337
338TRACE_MM_PAGES
339
340#undef EM
341#undef EMe
342
343#define EM(a) { a, #a },
344#define EMe(a) { a, #a }
345
346TRACE_EVENT(rss_stat,
347
348 TP_PROTO(struct mm_struct *mm,
349 int member),
350
351 TP_ARGS(mm, member),
352
353 TP_STRUCT__entry(
354 __field(unsigned int, mm_id)
355 __field(unsigned int, curr)
356 __field(int, member)
357 __field(long, size)
358 ),
359
360 TP_fast_assign(
361 __entry->mm_id = mm_ptr_to_hash(mm);
362 __entry->curr = !!(current->mm == mm);
363 __entry->member = member;
364 __entry->size = (percpu_counter_sum_positive(&mm->rss_stat[member])
365 << PAGE_SHIFT);
366 ),
367
368 TP_printk("mm_id=%u curr=%d type=%s size=%ldB",
369 __entry->mm_id,
370 __entry->curr,
371 __print_symbolic(__entry->member, TRACE_MM_PAGES),
372 __entry->size)
373 );
374#endif /* _TRACE_KMEM_H */
375
376/* This part must be outside protection */
377#include <trace/define_trace.h>
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM kmem
3
4#if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_KMEM_H
6
7#include <linux/types.h>
8#include <linux/tracepoint.h>
9#include <trace/events/gfpflags.h>
10
11DECLARE_EVENT_CLASS(kmem_alloc,
12
13 TP_PROTO(unsigned long call_site,
14 const void *ptr,
15 size_t bytes_req,
16 size_t bytes_alloc,
17 gfp_t gfp_flags),
18
19 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
20
21 TP_STRUCT__entry(
22 __field( unsigned long, call_site )
23 __field( const void *, ptr )
24 __field( size_t, bytes_req )
25 __field( size_t, bytes_alloc )
26 __field( gfp_t, gfp_flags )
27 ),
28
29 TP_fast_assign(
30 __entry->call_site = call_site;
31 __entry->ptr = ptr;
32 __entry->bytes_req = bytes_req;
33 __entry->bytes_alloc = bytes_alloc;
34 __entry->gfp_flags = gfp_flags;
35 ),
36
37 TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
38 __entry->call_site,
39 __entry->ptr,
40 __entry->bytes_req,
41 __entry->bytes_alloc,
42 show_gfp_flags(__entry->gfp_flags))
43);
44
45DEFINE_EVENT(kmem_alloc, kmalloc,
46
47 TP_PROTO(unsigned long call_site, const void *ptr,
48 size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
49
50 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
51);
52
53DEFINE_EVENT(kmem_alloc, kmem_cache_alloc,
54
55 TP_PROTO(unsigned long call_site, const void *ptr,
56 size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
57
58 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
59);
60
61DECLARE_EVENT_CLASS(kmem_alloc_node,
62
63 TP_PROTO(unsigned long call_site,
64 const void *ptr,
65 size_t bytes_req,
66 size_t bytes_alloc,
67 gfp_t gfp_flags,
68 int node),
69
70 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
71
72 TP_STRUCT__entry(
73 __field( unsigned long, call_site )
74 __field( const void *, ptr )
75 __field( size_t, bytes_req )
76 __field( size_t, bytes_alloc )
77 __field( gfp_t, gfp_flags )
78 __field( int, node )
79 ),
80
81 TP_fast_assign(
82 __entry->call_site = call_site;
83 __entry->ptr = ptr;
84 __entry->bytes_req = bytes_req;
85 __entry->bytes_alloc = bytes_alloc;
86 __entry->gfp_flags = gfp_flags;
87 __entry->node = node;
88 ),
89
90 TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
91 __entry->call_site,
92 __entry->ptr,
93 __entry->bytes_req,
94 __entry->bytes_alloc,
95 show_gfp_flags(__entry->gfp_flags),
96 __entry->node)
97);
98
99DEFINE_EVENT(kmem_alloc_node, kmalloc_node,
100
101 TP_PROTO(unsigned long call_site, const void *ptr,
102 size_t bytes_req, size_t bytes_alloc,
103 gfp_t gfp_flags, int node),
104
105 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
106);
107
108DEFINE_EVENT(kmem_alloc_node, kmem_cache_alloc_node,
109
110 TP_PROTO(unsigned long call_site, const void *ptr,
111 size_t bytes_req, size_t bytes_alloc,
112 gfp_t gfp_flags, int node),
113
114 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
115);
116
117DECLARE_EVENT_CLASS(kmem_free,
118
119 TP_PROTO(unsigned long call_site, const void *ptr),
120
121 TP_ARGS(call_site, ptr),
122
123 TP_STRUCT__entry(
124 __field( unsigned long, call_site )
125 __field( const void *, ptr )
126 ),
127
128 TP_fast_assign(
129 __entry->call_site = call_site;
130 __entry->ptr = ptr;
131 ),
132
133 TP_printk("call_site=%lx ptr=%p", __entry->call_site, __entry->ptr)
134);
135
136DEFINE_EVENT(kmem_free, kfree,
137
138 TP_PROTO(unsigned long call_site, const void *ptr),
139
140 TP_ARGS(call_site, ptr)
141);
142
143DEFINE_EVENT(kmem_free, kmem_cache_free,
144
145 TP_PROTO(unsigned long call_site, const void *ptr),
146
147 TP_ARGS(call_site, ptr)
148);
149
150TRACE_EVENT(mm_page_free,
151
152 TP_PROTO(struct page *page, unsigned int order),
153
154 TP_ARGS(page, order),
155
156 TP_STRUCT__entry(
157 __field( struct page *, page )
158 __field( unsigned int, order )
159 ),
160
161 TP_fast_assign(
162 __entry->page = page;
163 __entry->order = order;
164 ),
165
166 TP_printk("page=%p pfn=%lu order=%d",
167 __entry->page,
168 page_to_pfn(__entry->page),
169 __entry->order)
170);
171
172TRACE_EVENT(mm_page_free_batched,
173
174 TP_PROTO(struct page *page, int cold),
175
176 TP_ARGS(page, cold),
177
178 TP_STRUCT__entry(
179 __field( struct page *, page )
180 __field( int, cold )
181 ),
182
183 TP_fast_assign(
184 __entry->page = page;
185 __entry->cold = cold;
186 ),
187
188 TP_printk("page=%p pfn=%lu order=0 cold=%d",
189 __entry->page,
190 page_to_pfn(__entry->page),
191 __entry->cold)
192);
193
194TRACE_EVENT(mm_page_alloc,
195
196 TP_PROTO(struct page *page, unsigned int order,
197 gfp_t gfp_flags, int migratetype),
198
199 TP_ARGS(page, order, gfp_flags, migratetype),
200
201 TP_STRUCT__entry(
202 __field( struct page *, page )
203 __field( unsigned int, order )
204 __field( gfp_t, gfp_flags )
205 __field( int, migratetype )
206 ),
207
208 TP_fast_assign(
209 __entry->page = page;
210 __entry->order = order;
211 __entry->gfp_flags = gfp_flags;
212 __entry->migratetype = migratetype;
213 ),
214
215 TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
216 __entry->page,
217 __entry->page ? page_to_pfn(__entry->page) : 0,
218 __entry->order,
219 __entry->migratetype,
220 show_gfp_flags(__entry->gfp_flags))
221);
222
223DECLARE_EVENT_CLASS(mm_page,
224
225 TP_PROTO(struct page *page, unsigned int order, int migratetype),
226
227 TP_ARGS(page, order, migratetype),
228
229 TP_STRUCT__entry(
230 __field( struct page *, page )
231 __field( unsigned int, order )
232 __field( int, migratetype )
233 ),
234
235 TP_fast_assign(
236 __entry->page = page;
237 __entry->order = order;
238 __entry->migratetype = migratetype;
239 ),
240
241 TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
242 __entry->page,
243 __entry->page ? page_to_pfn(__entry->page) : 0,
244 __entry->order,
245 __entry->migratetype,
246 __entry->order == 0)
247);
248
249DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
250
251 TP_PROTO(struct page *page, unsigned int order, int migratetype),
252
253 TP_ARGS(page, order, migratetype)
254);
255
256DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain,
257
258 TP_PROTO(struct page *page, unsigned int order, int migratetype),
259
260 TP_ARGS(page, order, migratetype),
261
262 TP_printk("page=%p pfn=%lu order=%d migratetype=%d",
263 __entry->page, page_to_pfn(__entry->page),
264 __entry->order, __entry->migratetype)
265);
266
267TRACE_EVENT(mm_page_alloc_extfrag,
268
269 TP_PROTO(struct page *page,
270 int alloc_order, int fallback_order,
271 int alloc_migratetype, int fallback_migratetype, int new_migratetype),
272
273 TP_ARGS(page,
274 alloc_order, fallback_order,
275 alloc_migratetype, fallback_migratetype, new_migratetype),
276
277 TP_STRUCT__entry(
278 __field( struct page *, page )
279 __field( int, alloc_order )
280 __field( int, fallback_order )
281 __field( int, alloc_migratetype )
282 __field( int, fallback_migratetype )
283 __field( int, change_ownership )
284 ),
285
286 TP_fast_assign(
287 __entry->page = page;
288 __entry->alloc_order = alloc_order;
289 __entry->fallback_order = fallback_order;
290 __entry->alloc_migratetype = alloc_migratetype;
291 __entry->fallback_migratetype = fallback_migratetype;
292 __entry->change_ownership = (new_migratetype == alloc_migratetype);
293 ),
294
295 TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
296 __entry->page,
297 page_to_pfn(__entry->page),
298 __entry->alloc_order,
299 __entry->fallback_order,
300 pageblock_order,
301 __entry->alloc_migratetype,
302 __entry->fallback_migratetype,
303 __entry->fallback_order < pageblock_order,
304 __entry->change_ownership)
305);
306
307#endif /* _TRACE_KMEM_H */
308
309/* This part must be outside protection */
310#include <trace/define_trace.h>