On Fri, May 19, 2017 at 10:06:22AM -0700, kan.li...@intel.com wrote: > This patch was once merged, but reverted later. > Because ref-cycles can not be used anymore when watchdog is enabled. > The commit is 44530d588e142a96cf0cd345a7cb8911c4f88720 > > The patch 1/2 has extended the ref-cycles to GP counter. The concern > should be gone.
So its not a problem if every Atom prior to Goldmont, and all Core/Core2 products regress? P6 and P4 you've entirely broken, as they don't have REF_CPU_CYCLES at all. So no, I don't think this is right even now.
