A question regarding TG load tracking functions in fair.c

2014-02-28 Thread Matthew Leach
Hi Paul, I have a question regarding two lines of code in the functions __update_cfs_rq_tg_load_contrib and __update_tg_runnable_avg. AFAICS these functions update a load-tracking signal for the local RQ and an aggregated signal in the TG for all RQs that belong to this TG. The update is surrounde

Re: A question regarding TG load tracking functions in fair.c

2014-02-28 Thread Peter Zijlstra
On Fri, Feb 28, 2014 at 12:04:19PM +, Matthew Leach wrote: > Hi Paul, > > I have a question regarding two lines of code in the functions > __update_cfs_rq_tg_load_contrib and __update_tg_runnable_avg. AFAICS > these functions update a load-tracking signal for the local RQ and an > aggregated s