| User: | Jiri Slaby |
| Error type: | Leaving function in locked state |
| Error type description: | Some lock is not unlocked on all paths of a function, so it is leaked |
| File location: | kernel/sched.c |
| Line in file: | 4089 |
| Project: | Linux Kernel |
| Project version: | 2.6.28 |
| Tools: |
Stanse
(1.2)
|
| Entered: | 2012-05-29 20:11:37 UTC |
4059 4060#endif 4061 4062DEFINE_PER_CPU(struct kernel_stat, kstat); 4063 4064EXPORT_PER_CPU_SYMBOL(kstat); 4065 4066/* 4067 * Return any ns on the sched_clock that have not yet been banked in 4068 * @p in case that task is currently running. 4069 */ 4070unsigned long long task_delta_exec(struct task_struct *p) 4071{ 4072 unsigned long flags; 4073 struct rq *rq; 4074 u64 ns = 0; 4075 4076 rq = task_rq_lock(p, &flags); 4077 4078 if (task_current(rq, p)) { 4079 u64 delta_exec; 4080 4081 update_rq_clock(rq); 4082 delta_exec = rq->clock - p->se.exec_start; 4083 if ((s64)delta_exec > 0) 4084 ns = delta_exec; 4085 } 4086 4087 task_rq_unlock(rq, &flags); 4088 4089 return ns; 4090} 4091 4092/* 4093 * Account user cpu time to a process. 4094 * @p: the process that the cpu time gets accounted to 4095 * @cputime: the cpu time spent in user space since the last update 4096 */ 4097void account_user_time(struct task_struct *p, cputime_t cputime) 4098{ 4099 struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;