Timers and timing, was: MySQL Performance 6.0rc1

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Oct 28 02:56:20 PDT 2005


In message <4361F057.4030904 at pp.nic.fi>, Pertti Kosunen writes:

>Does polling affect to this test?

Not apart from the CPU overhead.

	sysctl kern.timecounter.hardware

is much more important.

and all the reports here which fail to include it are mostly
useless.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.


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