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Date: Wed, 8 Apr 2015 18:58:54 +0300 (MSK)
From: Alexander Monakov <amonakov@...ras.ru>
To: John Mudd <johnbmudd@...il.com>
cc: musl <musl@...ts.openwall.com>
Subject: Re: musl perf, 20% slower than native build?
On Wed, 8 Apr 2015, John Mudd wrote:
> I've also never used "perf" before. Feel free to advise if this needs
> improvement.
Yes, can you please also provide perf record/report output? Plain 'perf stat'
is good for a very high-level overview, but insufficient to understand where
performance is lost. Running `perf record python ...` will create 'perf.data'
file in current directory. Use `perf report` to view it, or `perf report
--stdio` to retrieve pasteable output (top 25 or so lines should do).
Thanks for looking into it.
Alexander
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