/usr/include/proc/slab.h is in libproc-dev 1:3.2.8-11ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | #ifndef _PROC_SLAB_H
#define _PROC_SLAB_H
#define SLAB_INFO_NAME_LEN 64
struct slab_info {
char name[SLAB_INFO_NAME_LEN]; /* name of this cache */
struct slab_info *next;
unsigned long cache_size; /* size of entire cache */
unsigned nr_objs; /* number of objects in this cache */
unsigned nr_active_objs; /* number of active objects */
unsigned obj_size; /* size of each object */
unsigned objs_per_slab; /* number of objects per slab */
unsigned pages_per_slab; /* number of pages per slab */
unsigned nr_slabs; /* number of slabs in this cache */
unsigned nr_active_slabs; /* number of active slabs */
unsigned use; /* percent full: total / active */
};
struct slab_stat {
unsigned long total_size; /* size of all objects */
unsigned long active_size; /* size of all active objects */
unsigned nr_objs; /* number of objects, among all caches */
unsigned nr_active_objs; /* number of active objects, among all caches */
unsigned nr_pages; /* number of pages consumed by all objects */
unsigned nr_slabs; /* number of slabs, among all caches */
unsigned nr_active_slabs; /* number of active slabs, among all caches */
unsigned nr_caches; /* number of caches */
unsigned nr_active_caches; /* number of active caches */
unsigned avg_obj_size; /* average object size */
unsigned min_obj_size; /* size of smallest object */
unsigned max_obj_size; /* size of largest object */
};
extern void put_slabinfo(struct slab_info *);
extern void free_slabinfo(struct slab_info *);
extern int get_slabinfo(struct slab_info **, struct slab_stat *);
#endif /* _PROC_SLAB_H */
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