linux-stable-rt/include/trace/kmemtrace.h

76 lines
1.7 KiB
C

/*
* Copyright (C) 2008 Eduard - Gabriel Munteanu
*
* This file is released under GPL version 2.
*/
#ifndef _LINUX_KMEMTRACE_H
#define _LINUX_KMEMTRACE_H
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/marker.h>
enum kmemtrace_type_id {
KMEMTRACE_TYPE_KMALLOC = 0, /* kmalloc() or kfree(). */
KMEMTRACE_TYPE_CACHE, /* kmem_cache_*(). */
KMEMTRACE_TYPE_PAGES, /* __get_free_pages() and friends. */
};
#ifdef CONFIG_KMEMTRACE
extern void kmemtrace_init(void);
extern void kmemtrace_mark_alloc_node(enum kmemtrace_type_id type_id,
unsigned long call_site,
const void *ptr,
size_t bytes_req,
size_t bytes_alloc,
gfp_t gfp_flags,
int node);
extern void kmemtrace_mark_free(enum kmemtrace_type_id type_id,
unsigned long call_site,
const void *ptr);
#else /* CONFIG_KMEMTRACE */
static inline void kmemtrace_init(void)
{
}
static inline void kmemtrace_mark_alloc_node(enum kmemtrace_type_id type_id,
unsigned long call_site,
const void *ptr,
size_t bytes_req,
size_t bytes_alloc,
gfp_t gfp_flags,
int node)
{
}
static inline void kmemtrace_mark_free(enum kmemtrace_type_id type_id,
unsigned long call_site,
const void *ptr)
{
}
#endif /* CONFIG_KMEMTRACE */
static inline void kmemtrace_mark_alloc(enum kmemtrace_type_id type_id,
unsigned long call_site,
const void *ptr,
size_t bytes_req,
size_t bytes_alloc,
gfp_t gfp_flags)
{
kmemtrace_mark_alloc_node(type_id, call_site, ptr,
bytes_req, bytes_alloc, gfp_flags, -1);
}
#endif /* __KERNEL__ */
#endif /* _LINUX_KMEMTRACE_H */