On Mon, Mar 12, 2012 at 05:21:33PM +0800, ShuoX Liu wrote: > In addition, C state might have much impact on performance tuning, > as it takes > much time to enter/exit C states, which might delay interrupt > processing. With > the new debug option, developers could check if a deep C state could impact > performance and how much impact it could cause. Would anyone doing performance tuning not be using the cpu_dma_latency interface? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm