Re: [PATCH] sched/fair: Update rq clock before updating nohz cpu load

2016-05-04 3:46 GMT+08:00 Matt Fleming : > If we're accessing rq_clock() (e.g. in sched_avg_update()) we should > update the rq clock before calling cpu_load_update(), otherwise any > time calculations will be stale. > > All other paths currently call update_rq_clock(). > > Cc: Peter Zijlstra > Cc

[PATCH] sched/fair: Update rq clock before updating nohz cpu load

If we're accessing rq_clock() (e.g. in sched_avg_update()) we should update the rq clock before calling cpu_load_update(), otherwise any time calculations will be stale. All other paths currently call update_rq_clock(). Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Mike Galbraith Cc: Mel Gorman Cc: