Re: Help Resource Counters Scale better (v4)

From: Prarit Bhargava
Date: Tue Aug 11 2009 - 11:18:27 EST




Prarit Bhargava wrote:


Balbir Singh wrote:
Enhancement: Remove the overhead of root based resource counter accounting



<snip>
Please test/review.

FWIW ...

On a 64p/32G system running 2.6.31-git2-rc5, with RESOURCE_COUNTERS off, "time make -j64" results in

real 4m54.972s
user 90m13.456s
sys 50m19.711s

On the same system, running 2.6.31-git2-rc5, with RESOURCE_COUNTERS on,
plus Balbir's "Help Resource Counters Scale Better (v3)" patch, and this patch, results in

Oops, sorry Balbir.

I meant to write:

On the same system, running 2.6.31-git2-rc5, with RESOURCE_COUNTERS on, plus Balbir's "Help Resource Counters Scale Better (v4)" patch results in ...

Sorry for the typo,

P.
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