2013/2/19 Marcelo Tosatti <mtosatti@xxxxxxxxxx>: > On Mon, Feb 18, 2013 at 05:43:47PM +0100, Frederic Weisbecker wrote: >> 2013/2/5 Michael Wolf <mjw@xxxxxxxxxxxxxxxxxx>: >> > In the case of where you have a system that is running in a >> > capped or overcommitted environment the user may see steal time >> > being reported in accounting tools such as top or vmstat. This can >> > cause confusion for the end user. >> >> Sorry, I'm no expert in this area. But I don't really understand what >> is confusing for the end user here. > > I suppose that what is wanted is to subtract stolen time due to 'known > reasons' from steal time reporting. 'Known reasons' being, for example, > hard caps. So a vcpu executing instructions with no halt, but limited to > 80% of available bandwidth, would not have 20% of stolen time reported. Ok, that's a good explanation to add to make that subtle steal time issue clearer. > > But yes, a description of the scenario that is being dealt with, with > details, is important. Yeah especially for such a significant user ABI change. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html