update_process_times

Name:Called from the timer interrupt handler to charge one tick to the current* process. user_tick is 1 if the tick is user time, 0 for system.

Proto:void update_process_times(int user_tick)

Type:void

Parameter:

Type	Parameter	Name
int	user_tick

1721

p = current process

1724

Account a single tick of CPU time.*@p: the process that the CPU time gets accounted to*@user_tick: indicates if the tick is a user or a system tick

1725

Called by the local, per-CPU timer interrupt on SMP.

1726

Check to see if the scheduling-clock interrupt came from an extended* quiescent state, and, if so, tell RCU about it. This function must* be called from hardirq context. It is normally called from the* scheduling-clock interrupt.

1731

This function gets called by the timer code, with HZ frequency.* We call it with interrupts disabled.

1732

If IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_POSIX_TIMERS) Then run_posix_cpu_timers()

**Caller**
Name	Describe
tick_periodic	Periodic tick

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