From: Jonathan Larmour <jlarmour@cygnus.co.uk>
To: David Geng <deli.geng@ncl.ac.uk>
Cc: ecos-discuss@sourceware.cygnus.com
Subject: Re: [ECOS] How to convert time tick to real time
Date: Fri, 03 Nov 2000 13:41:00 -0000 [thread overview]
Message-ID: <3A0330F5.65BB88BE@cygnus.co.uk> (raw)
In-Reply-To: <001601c045d9$9e8044c0$5210f080@ncl.ac.uk>
David Geng wrote:
>
> Hi,
>
> I'd like to know the time consumed in running certain code, in order to
> compare different platform as well as profile this code. I used clock() and
> cyg_current_time() to get the differential time. On my 133MHz SA1100 board
> the result is 29986 and 1794 respectively, while 2726 and 1001 on i386
> platform with 6x86CPU of 266MHz.
>
> But, that is only system time, i.e., timer ticks passed. How can I convert
> it to real-time, such as second. I think there should be some system
> constant containing how many timer ticks within one second, or something
> like this. I can not find it, could any one help me?
You mean CLOCKS_PER_SEC as used with the ISO standard clock() function?
Jifl
--
Red Hat, 35 Cambridge Place, Cambridge, UK. CB2 1NS Tel: +44 (1223) 728762
"Plan to be spontaneous tomorrow." || These opinions are all my own fault
next prev parent reply other threads:[~2000-11-03 13:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-03 13:04 David Geng
2000-11-03 13:41 ` Jonathan Larmour [this message]
2000-11-03 14:36 Fabrice Gautier
2000-11-03 14:51 ` Jonathan Larmour
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