Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1)

[David Ahern]

On 12/11/15 1:11 AM, Ingo Molnar wrote:
> * Namhyung Kim <namhyung@xxxxxxxxx> 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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/