Re: [RFC PATCH 2/3] sched: Introduce Window-Assisted CPU utilization Tracking

From: Peter Zijlstra
Date: Fri Oct 28 2016 - 03:46:27 EST


On Fri, Oct 28, 2016 at 12:10:41AM -0700, Vikram Mulukutla wrote:
> +void walt_finish_migrate(struct task_struct *p, struct rq *dest_rq, bool locked)
> +{
> + u64 wallclock;
> + unsigned long flags;
> +
> + if (!p->on_rq && p->state != TASK_WAKING)
> + return;
> +
> + if (locked == false)
> + raw_spin_lock_irqsave(&dest_rq->lock, flags);
> +

> +
> + if (locked == false)
> + raw_spin_unlock_irqrestore(&dest_rq->lock, flags);
> +}
> +
> +void walt_prepare_migrate(struct task_struct *p, struct rq *src_rq, bool locked)
> +{
> + u64 wallclock;
> + unsigned long flags;
> +
> + if (!p->on_rq && p->state != TASK_WAKING)
> + return;
> +
> + if (locked == false)
> + raw_spin_lock_irqsave(&src_rq->lock, flags);
> +

> +
> + if (locked == false)
> + raw_spin_unlock_irqrestore(&src_rq->lock, flags);
> +}

Seriously bad style that. Please, less bonghits before writing code.