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/tracepoint.h>
  13 #include <linux/types.h>
  14
  15 #ifdef CONFIG_KMEMTRACE
  16 extern void kmemtrace_init(void);
  17 #else
  18 static inline void kmemtrace_init(void)
  19 {
  20 }
  21 #endif
  22
  23 DECLARE_TRACE(kmalloc,
  24               TP_PROTO(unsigned long call_site,
  25                       const void *ptr,
  26                       size_t bytes_req,
  27                       size_t bytes_alloc,
  28                       gfp_t gfp_flags),
  29               TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags));
  30 DECLARE_TRACE(kmem_cache_alloc,
  31               TP_PROTO(unsigned long call_site,
  32                       const void *ptr,
  33                       size_t bytes_req,
  34                       size_t bytes_alloc,
  35                       gfp_t gfp_flags),
  36               TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags));
  37 DECLARE_TRACE(kmalloc_node,
  38               TP_PROTO(unsigned long call_site,
  39                       const void *ptr,
  40                       size_t bytes_req,
  41                       size_t bytes_alloc,
  42                       gfp_t gfp_flags,
  43                       int node),
  44               TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node));
  45 DECLARE_TRACE(kmem_cache_alloc_node,
  46               TP_PROTO(unsigned long call_site,
  47                       const void *ptr,
  48                       size_t bytes_req,
  49                       size_t bytes_alloc,
  50                       gfp_t gfp_flags,
  51                       int node),
  52               TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node));
  53 DECLARE_TRACE(kfree,
  54               TP_PROTO(unsigned long call_site, const void *ptr),
  55               TP_ARGS(call_site, ptr));
  56 DECLARE_TRACE(kmem_cache_free,
  57               TP_PROTO(unsigned long call_site, const void *ptr),
  58               TP_ARGS(call_site, ptr));
  59
  60 #endif /* __KERNEL__ */
  61
  62 #endif /* _LINUX_KMEMTRACE_H */
  63