On Mon, 2010-02-01 at 16:04 +0800, Mike Galbraith wrote: > On Mon, 2010-02-01 at 01:22 +0100, Rafael J. Wysocki wrote: > > This message has been generated automatically as a part of a report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.32. Please verify if it still should be listed and let me know > > (either way). > > Yes, it should remain open. We're currently waiting for some data from > Lin Ming. The regression itself isn't making much sense.. a kernel with > NEWIDLE disabled should show the same performance, but does not.
(sorry for late response, I'm just back from vacation) We finally located this to a bug in mwait based C-state entry. Venki's patch has fixed it. http://patchwork.kernel.org/patch/78544/ Venki, this is the original report, http://marc.info/?l=linux-kernel&m=126441481427331&w=4 Thanks, Lin Ming -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html