Messages in this thread | | | Date | Fri, 26 Dec 2014 09:51:59 -0700 | From | David Ahern <> | Subject | Re: [PATCH 05/37] perf tools: Create separate mmap for dummy tracking event |
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On 12/24/14 12:15 AM, Namhyung Kim wrote: > When multi file support is enabled, a dummy tracking event will be > used to track metadata (like task, comm and mmap events) for a session > and actual samples will be recorded in separate files. > > Provide separate mmap to the dummy tracking event. The size is fixed > to 128KiB (+ 1 page) as the event rate will be lower than samples. I
Have you tried stress tests like a kernel compile with -j Ncpus (Ncpus = 16 or higher)?
David
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