> > > @@ -301,6 +320,10 @@ static int __init xen_init_events(void) > > > > > > on_each_cpu(xen_percpu_init, NULL, 0); > > > > > > + pv_time_ops.steal_clock = xen_stolen_accounting; > > > + static_key_slow_inc(¶virt_steal_enabled); > > > + static_key_slow_inc(¶virt_steal_rq_enabled); > > > > We don't seem to do this on x86 -- is that a bug on x86 on Xen? > > On x86 we do all the accounting in do_stolen_accounting, called from our > own interrupt handler (xen_timer_interrupt). > I don't think we would gain anything by using the common infrastructure, > we would actually loose the idle ticks accounting we do there. > > Speaking of which, I don't think that pv_time_ops.steal_clock would > properly increase CPUTIME_IDLE the way we do in do_stolen_accounting. > > How much of an issue is that?
Doesn't the generic account_idle_time handle this? Ian. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
