On Fri, Aug 16, 2013 at 05:13:39PM +0200, Oleg Nesterov wrote: > On 08/16, Frederic Weisbecker wrote: > > > > On Fri, Aug 16, 2013 at 04:47:04PM +0200, Oleg Nesterov wrote: > > > > > > Questions: > > > > > > - Any other reason why it can be non-monotonic? > > > > > > - Should we fix this or should we document that userspace > > > should handle this itself? > > > > > > IOW, is this is bug or not? > > > > I don't know if we want to fix it (I personally think we should because it > > is not the > > first time I hear complains about this) but if we do, here is a possible > > fix: > > > > https://lkml.org/lkml/2013/8/8/638 > > Thanks! it is not easy to read the patches on lkml.org and I do > not understand this code enough. But it seems that this should > address my concerns, including the "even ignoring drivers/cpuidle/". > > Except, I am not sure that these changes handle the case when > nr_iowait() change in between.
Yeah it handles iowait and idle sleeps. > > Are you going to resend? I'm more than happy that you want to review these patches. I'm resending. Thanks. > > Oleg. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
