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SubjectRe: [PATCHSET 00/16] perf top: Add multi-thread support (v1)
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On 12/11/15 1:11 AM, Ingo Molnar wrote:
>
> * Namhyung Kim <namhyung@gmail.com> wrote:
>
>> IIRC David said that thread per cpu seems too much especially on a large system
>> (like ~1024 cpu). [...]
>
> Too much in what fashion? For recording I think it's the fastest, most natural
> model - anything else will create cache line bounces.

The intrusiveness of perf on the system under observation. I understand
there are a lot of factors that go into it.


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