Messages in this thread | | | Subject | Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) | From | David Ahern <> | Date | Fri, 11 Dec 2015 08:01:31 -0700 |
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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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