Hi On Wed, Jun 26, 2013 at 6:23 PM, Tejun Heo <tj@xxxxxxxxxx> wrote: > Hello, > > On Wed, Jun 26, 2013 at 05:37:38PM -0700, Anatol Pomozov wrote: >> Bottom line: when we set weight for a device then it creates cfq_group >> and initializes device stats with zero. Later that zero stat is shown >> even if no activity happened on the device. Both CFQ and our custom IO >> scheduler have this problem. And because we write set weight for all >> devices in all cgroups we endup with a lot of zero useless stats. >> >> What is the right fix in this situation? > > Yeah, I think yours is fine. You're just configuring each blkg during > init. Please just update the u64 case and repost. Yep. But it looks like before 3.5 stats initialization was not tied to device initialization. -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
