UPDATE_CFS_RQ_LOAD_A(9)                   Driver Basics                   UPDATE_CFS_RQ_LOAD_A(9)



NAME
       update_cfs_rq_load_avg - update the cfs_rq's load/util averages

SYNOPSIS
       int update_cfs_rq_load_avg(u64 now, struct cfs_rq * cfs_rq, bool update_freq);

ARGUMENTS
       now
           current time, as per cfs_rq_clock_task

       cfs_rq
           cfs_rq to update

       update_freq
           should we call cfs_rq_util_change or will the call do so

DESCRIPTION
       The cfs_rq avg is the direct sum of all its entities (blocked and runnable) avg. The
       immediate corollary is that all (fair) tasks must be attached, see
       post_init_entity_util_avg.

       cfs_rq->avg is used for task_h_load and update_cfs_share for example.

       Returns true if the load decayed or we removed utilization. It is expected that one calls
       update_tg_load_avg on this condition, but after you've modified the cfs_rq avg
       (attach/detach), such that we propagate the new avg up.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   UPDATE_CFS_RQ_LOAD_A(9)