Re: [PATCH v3 0/4] cgroup notifications API and memory thresholds

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* Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> [2009-12-26 02:30:56]:

> This patchset introduces eventfd-based API for notifications in cgroups and
> implements memory notifications on top of it.
> 
> It uses statistics in memory controler to track memory usage.
> 
> Output of time(1) on building kernel on tmpfs:
> 
> Root cgroup before changes:
> 	make -j2  506.37 user 60.93s system 193% cpu 4:52.77 total
> Non-root cgroup before changes:
> 	make -j2  507.14 user 62.66s system 193% cpu 4:54.74 total
> Root cgroup after changes (0 thresholds):
> 	make -j2  507.13 user 62.20s system 193% cpu 4:53.55 total
> Non-root cgroup after changes (0 thresholds):
> 	make -j2  507.70 user 64.20s system 193% cpu 4:55.70 total
> Root cgroup after changes (1 thresholds, never crossed):
> 	make -j2  506.97 user 62.20s system 193% cpu 4:53.90 total
> Non-root cgroup after changes (1 thresholds, never crossed):
> 	make -j2  507.55 user 64.08s system 193% cpu 4:55.63 total
> 
> Any comments?

Could you please add some documentation for end users. I've just
compiled a kernel with your changes for test. Also, is there a reason
not to use cgroupstats?

-- 
	Balbir
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