Re: [PATCH 05/37] perf tools: Create separate mmap for dummy tracking event
From: David Ahern
Date: Fri Dec 26 2014 - 11:52:33 EST
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)?
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