Timers and timing, was: MySQL Performance 6.0rc1

[Poul-Henning Kamp]

In message <4361FDBE.7000500 at freebsd.org>, David Xu writes:

>Now, I can confirm mysqld calls time() function lots of time, I have
>changed time() to call clock_gettime, now there is few of gettimeofday 
>in ktrace result, but fully filled by clock_gettime.

the correct way to optimize this would be to add a time(2) systemcall
which returns the value of the kernel global time_second.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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