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TOMOYO Linux Cross Reference
Linux/include/trace/events/kmem.h

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  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/mmflags.h>
 10 
 11 DECLARE_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 
 45 DEFINE_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 
 53 DEFINE_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 
 61 DECLARE_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 
 99 DEFINE_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 
108 DEFINE_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 
117 DECLARE_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 
136 DEFINE_EVENT(kmem_free, kfree,
137 
138         TP_PROTO(unsigned long call_site, const void *ptr),
139 
140         TP_ARGS(call_site, ptr)
141 );
142 
143 DEFINE_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 
150 TRACE_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(        unsigned long,  pfn             )
158                 __field(        unsigned int,   order           )
159         ),
160 
161         TP_fast_assign(
162                 __entry->pfn            = page_to_pfn(page);
163                 __entry->order          = order;
164         ),
165 
166         TP_printk("page=%p pfn=%lu order=%d",
167                         pfn_to_page(__entry->pfn),
168                         __entry->pfn,
169                         __entry->order)
170 );
171 
172 TRACE_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(        unsigned long,  pfn             )
180                 __field(        int,            cold            )
181         ),
182 
183         TP_fast_assign(
184                 __entry->pfn            = page_to_pfn(page);
185                 __entry->cold           = cold;
186         ),
187 
188         TP_printk("page=%p pfn=%lu order=0 cold=%d",
189                         pfn_to_page(__entry->pfn),
190                         __entry->pfn,
191                         __entry->cold)
192 );
193 
194 TRACE_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(        unsigned long,  pfn             )
203                 __field(        unsigned int,   order           )
204                 __field(        gfp_t,          gfp_flags       )
205                 __field(        int,            migratetype     )
206         ),
207 
208         TP_fast_assign(
209                 __entry->pfn            = page ? page_to_pfn(page) : -1UL;
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->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
217                 __entry->pfn != -1UL ? __entry->pfn : 0,
218                 __entry->order,
219                 __entry->migratetype,
220                 show_gfp_flags(__entry->gfp_flags))
221 );
222 
223 DECLARE_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(        unsigned long,  pfn             )
231                 __field(        unsigned int,   order           )
232                 __field(        int,            migratetype     )
233         ),
234 
235         TP_fast_assign(
236                 __entry->pfn            = page ? page_to_pfn(page) : -1UL;
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->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
243                 __entry->pfn != -1UL ? __entry->pfn : 0,
244                 __entry->order,
245                 __entry->migratetype,
246                 __entry->order == 0)
247 );
248 
249 DEFINE_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 
256 TRACE_EVENT(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_STRUCT__entry(
263                 __field(        unsigned long,  pfn             )
264                 __field(        unsigned int,   order           )
265                 __field(        int,            migratetype     )
266         ),
267 
268         TP_fast_assign(
269                 __entry->pfn            = page ? page_to_pfn(page) : -1UL;
270                 __entry->order          = order;
271                 __entry->migratetype    = migratetype;
272         ),
273 
274         TP_printk("page=%p pfn=%lu order=%d migratetype=%d",
275                 pfn_to_page(__entry->pfn), __entry->pfn,
276                 __entry->order, __entry->migratetype)
277 );
278 
279 TRACE_EVENT(mm_page_alloc_extfrag,
280 
281         TP_PROTO(struct page *page,
282                 int alloc_order, int fallback_order,
283                 int alloc_migratetype, int fallback_migratetype),
284 
285         TP_ARGS(page,
286                 alloc_order, fallback_order,
287                 alloc_migratetype, fallback_migratetype),
288 
289         TP_STRUCT__entry(
290                 __field(        unsigned long,  pfn                     )
291                 __field(        int,            alloc_order             )
292                 __field(        int,            fallback_order          )
293                 __field(        int,            alloc_migratetype       )
294                 __field(        int,            fallback_migratetype    )
295                 __field(        int,            change_ownership        )
296         ),
297 
298         TP_fast_assign(
299                 __entry->pfn                    = page_to_pfn(page);
300                 __entry->alloc_order            = alloc_order;
301                 __entry->fallback_order         = fallback_order;
302                 __entry->alloc_migratetype      = alloc_migratetype;
303                 __entry->fallback_migratetype   = fallback_migratetype;
304                 __entry->change_ownership       = (alloc_migratetype ==
305                                         get_pageblock_migratetype(page));
306         ),
307 
308         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",
309                 pfn_to_page(__entry->pfn),
310                 __entry->pfn,
311                 __entry->alloc_order,
312                 __entry->fallback_order,
313                 pageblock_order,
314                 __entry->alloc_migratetype,
315                 __entry->fallback_migratetype,
316                 __entry->fallback_order < pageblock_order,
317                 __entry->change_ownership)
318 );
319 
320 #endif /* _TRACE_KMEM_H */
321 
322 /* This part must be outside protection */
323 #include <trace/define_trace.h>
324 

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