Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
[lttng-modules.git] / instrumentation / events / lttng-module / kmem.h
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1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM kmem
3
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4#if !defined(LTTNG_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
5#define LTTNG_TRACE_KMEM_H
b283666f 6
3bc29f0a 7#include "../../../probes/lttng-tracepoint-event.h"
7c68b363 8#include <linux/types.h>
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9#include <linux/version.h>
10#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
11#include <trace/events/gfpflags.h>
12#endif
13
3bc29f0a 14LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc,
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15
16 TP_PROTO(unsigned long call_site,
17 const void *ptr,
18 size_t bytes_req,
19 size_t bytes_alloc,
20 gfp_t gfp_flags),
21
22 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags),
23
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24 TP_FIELDS(
25 ctf_integer_hex(unsigned long, call_site, call_site)
26 ctf_integer_hex(const void *, ptr, ptr)
27 ctf_integer(size_t, bytes_req, bytes_req)
28 ctf_integer(size_t, bytes_alloc, bytes_alloc)
29 ctf_integer(gfp_t, gfp_flags, gfp_flags)
30 )
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31)
32
3bc29f0a 33LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc, kmalloc,
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34
35 kmem_kmalloc,
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36
37 TP_PROTO(unsigned long call_site, const void *ptr,
38 size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
39
40 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
41)
42
3bc29f0a 43LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc, kmem_cache_alloc,
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44
45 TP_PROTO(unsigned long call_site, const void *ptr,
46 size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags),
47
48 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags)
49)
50
3bc29f0a 51LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc_node,
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52
53 TP_PROTO(unsigned long call_site,
54 const void *ptr,
55 size_t bytes_req,
56 size_t bytes_alloc,
57 gfp_t gfp_flags,
58 int node),
59
60 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node),
61
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62 TP_FIELDS(
63 ctf_integer_hex(unsigned long, call_site, call_site)
64 ctf_integer_hex(const void *, ptr, ptr)
65 ctf_integer(size_t, bytes_req, bytes_req)
66 ctf_integer(size_t, bytes_alloc, bytes_alloc)
67 ctf_integer(gfp_t, gfp_flags, gfp_flags)
68 ctf_integer(int, node, node)
69 )
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70)
71
3bc29f0a 72LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc_node, kmalloc_node,
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73
74 kmem_kmalloc_node,
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75
76 TP_PROTO(unsigned long call_site, const void *ptr,
77 size_t bytes_req, size_t bytes_alloc,
78 gfp_t gfp_flags, int node),
79
80 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
81)
82
3bc29f0a 83LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc_node, kmem_cache_alloc_node,
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84
85 TP_PROTO(unsigned long call_site, const void *ptr,
86 size_t bytes_req, size_t bytes_alloc,
87 gfp_t gfp_flags, int node),
88
89 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node)
90)
91
3bc29f0a 92LTTNG_TRACEPOINT_EVENT_CLASS(kmem_free,
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93
94 TP_PROTO(unsigned long call_site, const void *ptr),
95
96 TP_ARGS(call_site, ptr),
97
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98 TP_FIELDS(
99 ctf_integer_hex(unsigned long, call_site, call_site)
100 ctf_integer_hex(const void *, ptr, ptr)
101 )
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102)
103
3bc29f0a 104LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_free, kfree,
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105
106 kmem_kfree,
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107
108 TP_PROTO(unsigned long call_site, const void *ptr),
109
110 TP_ARGS(call_site, ptr)
111)
112
3bc29f0a 113LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_free, kmem_cache_free,
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114
115 TP_PROTO(unsigned long call_site, const void *ptr),
116
117 TP_ARGS(call_site, ptr)
118)
119
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120#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
121#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
9bbf98da 122LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free, kmem_mm_page_free,
7c68b363 123#else
9bbf98da 124LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_direct, kmem_mm_page_free_direct,
7c68b363 125#endif
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126
127 TP_PROTO(struct page *page, unsigned int order),
128
129 TP_ARGS(page, order),
130
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131 TP_FIELDS(
132 ctf_integer_hex(struct page *, page, page)
133 ctf_integer(unsigned int, order, order)
134 )
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135)
136
7c68b363 137#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
9bbf98da 138LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
7c68b363 139#else
9bbf98da 140LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free, kmem_pagevec_free,
7c68b363 141#endif
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142
143 TP_PROTO(struct page *page, int cold),
144
145 TP_ARGS(page, cold),
146
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147 TP_FIELDS(
148 ctf_integer_hex(struct page *, page, page)
149 ctf_integer(int, cold, cold)
150 )
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151)
152
9bbf98da 153LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc,
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154
155 TP_PROTO(struct page *page, unsigned int order,
156 gfp_t gfp_flags, int migratetype),
157
158 TP_ARGS(page, order, gfp_flags, migratetype),
159
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160 TP_FIELDS(
161 ctf_integer_hex(struct page *, page, page)
162 ctf_integer(unsigned int, order, order)
163 ctf_integer(gfp_t, gfp_flags, gfp_flags)
164 ctf_integer(int, migratetype, migratetype)
165 )
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166)
167
9bbf98da 168LTTNG_TRACEPOINT_EVENT_CLASS(kmem_mm_page,
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169
170 TP_PROTO(struct page *page, unsigned int order, int migratetype),
171
172 TP_ARGS(page, order, migratetype),
173
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174 TP_FIELDS(
175 ctf_integer_hex(struct page *, page, page)
176 ctf_integer(unsigned int, order, order)
177 ctf_integer(int, migratetype, migratetype)
178 )
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179)
180
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181LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked,
182
183 kmem_mm_page_alloc_zone_locked,
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184
185 TP_PROTO(struct page *page, unsigned int order, int migratetype),
186
187 TP_ARGS(page, order, migratetype)
188)
189
f127e61e 190LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_pcpu_drain,
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191
192 kmem_mm_page_pcpu_drain,
b283666f 193
7c68b363 194#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
b283666f 195 TP_PROTO(struct page *page, unsigned int order, int migratetype),
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196#else
197 TP_PROTO(struct page *page, int order, int migratetype),
198#endif
b283666f 199
f127e61e 200 TP_ARGS(page, order, migratetype)
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201)
202
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203#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,2) \
204 || LTTNG_KERNEL_RANGE(3,14,36, 3,15,0))
2cf0c2ca 205
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206LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
207
208 kmem_mm_page_alloc_extfrag,
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209
210 TP_PROTO(struct page *page,
211 int alloc_order, int fallback_order,
212 int alloc_migratetype, int fallback_migratetype),
213
214 TP_ARGS(page,
215 alloc_order, fallback_order,
216 alloc_migratetype, fallback_migratetype),
217
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218 TP_FIELDS(
219 ctf_integer_hex(struct page *, page, page)
220 ctf_integer(int, alloc_order, alloc_order)
221 ctf_integer(int, fallback_order, fallback_order)
222 ctf_integer(int, alloc_migratetype, alloc_migratetype)
223 ctf_integer(int, fallback_migratetype, fallback_migratetype)
224 ctf_integer(int, change_ownership,
2cf0c2ca 225 (alloc_migratetype == get_pageblock_migratetype(page)))
c94b360d 226 )
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227)
228
229#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,30))
8b831331 230
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231LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
232
233 kmem_mm_page_alloc_extfrag,
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234
235 TP_PROTO(struct page *page,
236 int alloc_order, int fallback_order,
237 int alloc_migratetype, int fallback_migratetype, int new_migratetype),
238
239 TP_ARGS(page,
240 alloc_order, fallback_order,
241 alloc_migratetype, fallback_migratetype, new_migratetype),
242
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243 TP_FIELDS(
244 ctf_integer_hex(struct page *, page, page)
245 ctf_integer(int, alloc_order, alloc_order)
246 ctf_integer(int, fallback_order, fallback_order)
247 ctf_integer(int, alloc_migratetype, alloc_migratetype)
248 ctf_integer(int, fallback_migratetype, fallback_migratetype)
249 ctf_integer(int, change_ownership, (new_migratetype == alloc_migratetype))
250 )
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251)
252
253#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
926b9256 254
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255LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
256
257 kmem_mm_page_alloc_extfrag,
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258
259 TP_PROTO(struct page *page,
260 int alloc_order, int fallback_order,
261 int alloc_migratetype, int fallback_migratetype,
262 int change_ownership),
263
264 TP_ARGS(page,
265 alloc_order, fallback_order,
266 alloc_migratetype, fallback_migratetype,
267 change_ownership),
268
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269 TP_FIELDS(
270 ctf_integer_hex(struct page *, page, page)
271 ctf_integer(int, alloc_order, alloc_order)
272 ctf_integer(int, fallback_order, fallback_order)
273 ctf_integer(int, alloc_migratetype, alloc_migratetype)
274 ctf_integer(int, fallback_migratetype, fallback_migratetype)
275 ctf_integer(int, change_ownership, change_ownership)
276 )
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277)
278
279#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
280
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281LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
282
283 kmem_mm_page_alloc_extfrag,
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284
285 TP_PROTO(struct page *page,
286 int alloc_order, int fallback_order,
287 int alloc_migratetype, int fallback_migratetype),
288
289 TP_ARGS(page,
290 alloc_order, fallback_order,
291 alloc_migratetype, fallback_migratetype),
292
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293 TP_FIELDS(
294 ctf_integer_hex(struct page *, page, page)
295 ctf_integer(int, alloc_order, alloc_order)
296 ctf_integer(int, fallback_order, fallback_order)
297 ctf_integer(int, alloc_migratetype, alloc_migratetype)
298 ctf_integer(int, fallback_migratetype, fallback_migratetype)
299 )
b283666f 300)
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301
302#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
303
7c68b363 304#endif
b283666f 305
3bc29f0a 306#endif /* LTTNG_TRACE_KMEM_H */
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307
308/* This part must be outside protection */
309#include "../../../probes/define_trace.h"
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