1 /* taskstats_kern.h - kernel header for per-task statistics interface
3 * Copyright (C) Shailabh Nagar, IBM Corp. 2006
4 * (C) Balbir Singh, IBM Corp. 2006
7 #ifndef _LINUX_TASKSTATS_KERN_H
8 #define _LINUX_TASKSTATS_KERN_H
10 #include <linux/taskstats.h>
11 #include <linux/sched.h>
14 TASKSTATS_MSG_UNICAST
, /* send data only to requester */
15 TASKSTATS_MSG_MULTICAST
, /* send data to a group */
18 #ifdef CONFIG_TASKSTATS
19 extern kmem_cache_t
*taskstats_cache
;
20 extern struct mutex taskstats_exit_mutex
;
22 static inline void taskstats_exit_alloc(struct taskstats
**ptidstats
,
23 struct taskstats
**ptgidstats
)
25 *ptidstats
= kmem_cache_zalloc(taskstats_cache
, SLAB_KERNEL
);
26 *ptgidstats
= kmem_cache_zalloc(taskstats_cache
, SLAB_KERNEL
);
29 static inline void taskstats_exit_free(struct taskstats
*tidstats
,
30 struct taskstats
*tgidstats
)
33 kmem_cache_free(taskstats_cache
, tidstats
);
35 kmem_cache_free(taskstats_cache
, tgidstats
);
38 extern void taskstats_exit_send(struct task_struct
*, struct taskstats
*,
40 extern void taskstats_init_early(void);
43 static inline void taskstats_exit_alloc(struct taskstats
**ptidstats
,
44 struct taskstats
**ptgidstats
)
46 static inline void taskstats_exit_free(struct taskstats
*ptidstats
,
47 struct taskstats
*ptgidstats
)
49 static inline void taskstats_exit_send(struct task_struct
*tsk
,
50 struct taskstats
*tidstats
,
51 struct taskstats
*tgidstats
)
53 static inline void taskstats_init_early(void)
55 #endif /* CONFIG_TASKSTATS */