tracing/kmemtrace: normalize the raw tracer event to the unified tracing API
[linux-2.6.git] / include / trace / kmemtrace.h
1 /*
2  * Copyright (C) 2008 Eduard - Gabriel Munteanu
3  *
4  * This file is released under GPL version 2.
5  */
6
7 #ifndef _LINUX_KMEMTRACE_H
8 #define _LINUX_KMEMTRACE_H
9
10 #ifdef __KERNEL__
11
12 #include <linux/types.h>
13 #include <linux/marker.h>
14
15 enum kmemtrace_type_id {
16         KMEMTRACE_TYPE_KMALLOC = 0,     /* kmalloc() or kfree(). */
17         KMEMTRACE_TYPE_CACHE,           /* kmem_cache_*(). */
18         KMEMTRACE_TYPE_PAGES,           /* __get_free_pages() and friends. */
19 };
20
21 #ifdef CONFIG_KMEMTRACE
22
23 extern void kmemtrace_init(void);
24
25 extern void kmemtrace_mark_alloc_node(enum kmemtrace_type_id type_id,
26                                              unsigned long call_site,
27                                              const void *ptr,
28                                              size_t bytes_req,
29                                              size_t bytes_alloc,
30                                              gfp_t gfp_flags,
31                                              int node);
32
33 extern void kmemtrace_mark_free(enum kmemtrace_type_id type_id,
34                                        unsigned long call_site,
35                                        const void *ptr);
36
37 #else /* CONFIG_KMEMTRACE */
38
39 static inline void kmemtrace_init(void)
40 {
41 }
42
43 static inline void kmemtrace_mark_alloc_node(enum kmemtrace_type_id type_id,
44                                              unsigned long call_site,
45                                              const void *ptr,
46                                              size_t bytes_req,
47                                              size_t bytes_alloc,
48                                              gfp_t gfp_flags,
49                                              int node)
50 {
51 }
52
53 static inline void kmemtrace_mark_free(enum kmemtrace_type_id type_id,
54                                        unsigned long call_site,
55                                        const void *ptr)
56 {
57 }
58
59 #endif /* CONFIG_KMEMTRACE */
60
61 static inline void kmemtrace_mark_alloc(enum kmemtrace_type_id type_id,
62                                         unsigned long call_site,
63                                         const void *ptr,
64                                         size_t bytes_req,
65                                         size_t bytes_alloc,
66                                         gfp_t gfp_flags)
67 {
68         kmemtrace_mark_alloc_node(type_id, call_site, ptr,
69                                   bytes_req, bytes_alloc, gfp_flags, -1);
70 }
71
72 #endif /* __KERNEL__ */
73
74 #endif /* _LINUX_KMEMTRACE_H */
75