Gautham R Shenoy <e...@linux.vnet.ibm.com> writes: > The accounting problem in tools such as lparstat with > "cede_offline=on" is affecting customers who are using these tools for > capacity-planning. That problem needs a fix in the short-term, for > which Patch 1 changes the default behaviour of cede_offline from "on" > to "off". Since this patch would break the existing userspace tools > that use the CPU-Offline infrastructure to fold CPUs for saving power, > the sysfs interface allowing a runtime change of cede_offline_enabled > was provided to enable these userspace tools to cope with minimal > change.
So we would be putting users in the position of choosing between folding and correct accounting. :-( Actually how does changing the offline mechanism to stop-self break the folding utility?
