On Mon 15-10-12 14:11:53, Viresh Kumar wrote:
> On 15 October 2012 14:05, Michal Hocko <mhocko@xxxxxxx> wrote:
[...]
> > I would suggest moving the common functionality into drivers/cpufreq/
> > (e.g. cpufreq_common.c).
>
> Initially i did that only, but then thought these routines must be present in
> more generic files if possible, available across frameworks.
>
> Can we try renaming these to show there exact functionality and then put
> them in generic files like, tick-sched.c?
But we already do have generic generic functionality for nohz case
get_cpu_{idle,iowait}_time_us and kcpustat_cpu for !nohz. The only one
that cares for both is /proc/stat code and it has its own helpers
get_{idle,iowait}_time and as you can see it's demands are different
from what governors want.
--
Michal Hocko
SUSE Labs
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