Messages in this thread | | | Date | Fri, 15 Jun 2018 10:12:23 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v1 0/2] perf: Drop leaked kernel samples |
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On Fri, Jun 15, 2018 at 04:01:45PM +0800, Jin, Yao wrote:
> Bring more overhead to kernel if we zero the bits considering the number of > leaked samples may be not too small?
Keeping the samples at least allows you to know how many samples happened and such things.
> And the skid information may be interesting (see example of hitting on > page_fault in previous mail). If we zero it, we will not know.
If you throw them out the window you also don't know, do you?
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