[rsyslog] high-performance, low-precision time API under linux?

[Rainer Gerhards]

> -----Original Message-----
> From: rsyslog-bounces at lists.adiscon.com [mailto:rsyslog-
> bounces at lists.adiscon.com] On Behalf Of Thomas Mieslinger
> Sent: Monday, June 15, 2009 7:58 PM
> To: rsyslog-users
> Subject: Re: [rsyslog] high-performance, low-precision time API under
linux?
> 
> BTW: In the Informix DBMS the Software Architects decided to implement an
OS
> independent timer thread to work arround (very costly in the late 90s)
> gettimeofday() calls.
> 
> I've run the code on some Solaris 10 boxes, because they were known for
their
> slow gettimeofday() implementation
> 
> S11 snv_105 Pentium 4 3GHz
> time ./a.out 100000
> real    0m0.087s
> user    0m0.082s
> sys     0m0.004s
> 
> S10 Generic_138889-03 Athlon 2,2GHz
> time ./a.out 100000
> real    0m0.028s
> user    0m0.026s
> sys     0m0.002s
> 
> ok, lets try this on an older boxes...
> suse70 2.2.21 libc-2.1.3-141 2xP3 800
> time ./a.out 100000
> 
> real    0m0.100s
> user    0m0.080s
> sys     0m0.020s
> 
> So, what are you using as a development box?

I should have mentioned that I am typically running inside a virtualized
environment as I routinely need to run three to four machines in parallel for
testing.

If anyone is up for hardware contributions, just let me know ;)

Rainer
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