Measuring CGI resource usage

[Simon Smith]

Hi Richard

Not sure if this would work - creating a daemon from a shell script and
using the ps (or top) command to monitor and output everything for the
livecode cgi process to text file, that you can then examine.

- Simon


On Wed, May 14, 2014 at 5:54 PM, Richard Gaskin
<ambassador at fourthworld.com>wrote:

> CGI is an uncommonly harsh environment, with the entire runtime life cycle
> happening in the time it takes to satisfy an HTTP request. So I tend to
> take great care in measuring both CPU time and memory with CGI scripts, but
> I've found it difficult to get accurate measurements in the server
> environment.
>
> One commonly-recommended method is to use the "time" program, with the
> --verbose option to include memory:
>
>     /usr/bin/time --verbose ./livecode-server somescriptfile.lc
>
> It seems on many systems that time program is implemented in an incomplete
> way, showing artificially low values for memory usage.
>
> top might seem a good option, but in practice it's useless since even its
> tightest update frequency is less than the execution time of my scripts.
>
> Any suggestions for something like /usr/bin/time but is actually reliable,
> something I can attach to the command line call for an accurate measurement
> of both time and memory?
>
> --
>  Richard Gaskin
>  Fourth World Systems
>  Software Design and Development for the Desktop, Mobile, and the Web
>  ____________________________________________________________________
>  Ambassador at FourthWorld.com                http://www.FourthWorld.com
>
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