Messages in this thread | | | Date | Tue, 19 Nov 2013 07:54:43 +0100 | From | Ingo Molnar <> | Subject | Re: [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
| |