On 05-07-17, 09:58, Juri Lelli wrote: > SCHED_DEADLINE tracks active utilization signal with a per dl_rq > variable named running_bw. > > Make use of that to drive cpu frequency selection: add up FAIR and > DEADLINE contribution to get the required CPU capacity to handle both > requirements (while RT still selects max frequency). > > Co-authored-by: Claudio Scordino <[email protected]> > Signed-off-by: Juri Lelli <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: Rafael J. Wysocki <[email protected]> > Cc: Viresh Kumar <[email protected]> > Cc: Luca Abeni <[email protected]> > --- > Changes from RFCv0: > > - use BW_SHIFT (Peter) > - add comment about guaranteed and requested freq (Peter) > - modify comment about go to max behaviour (Claudio) > --- > include/linux/sched/cpufreq.h | 2 -- > kernel/sched/cpufreq_schedutil.c | 25 +++++++++++++++---------- > 2 files changed, 15 insertions(+), 12 deletions(-)
Acked-by: Viresh Kumar <[email protected]> -- viresh
