On Fri, Sep 14, 2018 at 11:40:22AM +0200, Ingo Molnar wrote: > In fact keeping the files separate has scalability advantages for 'perf > report' and similar > parsing tools: they could read all the streams in a per-CPU fashion already, > from the very > beginning.
Also writing to different files from different CPUs is good for record, less contention on the inode state (which include pagecache).
