Messages in this thread | | | Subject | Re: [PATCH -tip] cpuacct: Make cpuacct hierarchy walk in cpuacct_charge() safe when rcupreempt is used. | From | Peter Zijlstra <> | Date | Tue, 17 Mar 2009 14:26:01 +0100 |
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On Tue, 2009-03-17 at 18:42 +0530, Balbir Singh wrote:
> I'd like to get the patches in -tip and see the results, I would > recommend using percpu_counter_sum() while reading the data as an > enhancement to this patch. If user space does not overwhelm with a lot > of reads, sum would work out better.
You trust userspace? I'd rather not.
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