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SubjectRe: [PATCH 4/5] perf record: mmap output file - v5

* Namhyung Kim <namhyung@kernel.org> wrote:

> > Well, with 1 khz sampling of a single threaded workload it's 8MB
> > per second - that's 80 MB for 10 seconds profiling - not the end
> > of the world.
>
> We now use 4 khz sampling frequency by default, just FYI. :)

Yes, but if someone samples with 1 khz that's still plenty enough for
a long enough run.

With 4k sampling you coul do 2.5 seconds of profiling and still have
80 MB of data :-)

Thanks,

Ingo


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