Messages in this thread | | | Date | Fri, 14 Sep 2018 13:15:28 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFCv2 00/48] perf tools: Add threads to record command |
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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).
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