On Fri, 2011-02-11 at 13:19 -0500, Glauber Costa wrote:
> static void update_rq_clock_task(struct rq *rq, s64 delta)
> {
> + s64 irq_delta = 0, steal = 0;
>
> +#ifdef CONFIG_IRQ_TIME_ACCOUNTING
> irq_delta = irq_time_read(cpu_of(rq)) - rq->prev_irq_time;
>
> /*
> @@ -1926,20
This is a first proposal for using steal time information
to influence the scheduler. There are a lot of optimizations
and fine grained adjustments to be done, but it is working reasonably
so far for me (mostly)
With this patch (and some host pinnings to demonstrate the situation),
two vcpus with
