linux-vybrid_public/kernel/sched/cpuacct.h

#ifdef CONFIG_CGROUP_CPUACCT

extern void cpuacct_init(void);
extern void cpuacct_charge(struct task_struct *tsk, u64 cputime);
extern void cpuacct_account_field(struct task_struct *p, int index, u64 val);

#else

static inline void cpuacct_init(void)
{
}

static inline void cpuacct_charge(struct task_struct *tsk, u64 cputime)
{
}

static inline void
cpuacct_account_field(struct task_struct *p, int index, u64 val)
{
}

#endif