Re: [RFC][PATCH 00/32] Nohz cpusets v2 (adaptive tickless kernel)

From: Kevin Hilman
Date: Thu Mar 29 2012 - 20:33:57 EST

Frederic Weisbecker <fweisbec@xxxxxxxxx> writes:

> There are still a lot of things to handle. Especially about
> what is done by scheduler_tick() but we also need to:
> - completely handle cputime accounting (need to find every "reader"
> of cputime and flush cputimes for all of them).
> -handle perf
> - handle irqtime finegrained accounting
> - handle ilb load balancing
> - etc...

- add more arch support :)

For ARM, I've started hacking things into place and have some
preliminary patches to add ARM support for the new IPI, syscall support,
exception hooks, etc.[1]

This is enough to get some basic things running and test the nohz
cpusets functionality on ARM, and for others to start trying it out.

For anyone interested in collaborating on ARM support, my
work-in-progress branch is below[1] based on Frederic's cpuset-v2
branch. Patches and testing welcome.


[1] git:// wip/arm-nohz-cpusets
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