From: Mark Wooding <mdw@distorted.org.uk>
Date: Sat, 10 Nov 2018 14:03:21 +0000 (+0000)
Subject: progs/perftest.c: Report cycle counts per operation where possible.
X-Git-Tag: 2.5.0~24
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/catacomb/commitdiff_plain/8ae2bc5cdb500e8b6a0f4d9a7d4aea73d00d3dd6?ds=sidebyside;hp=8ae2bc5cdb500e8b6a0f4d9a7d4aea73d00d3dd6

progs/perftest.c: Report cycle counts per operation where possible.

This is a much more useful figure to work with.  Use `rdtsc' on x86,
falling back to `perf_event_open' on Linux where available.  On other
platforms, you don't get cycle counts: sorry.
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