You should give a try do GetTickCount() function.
Like
<cfset t1 = GetTickCount)>
.... code ...
<cfoutput>#t1-GetTickCount()# ms</cfoutput>
Or if you're planning to measure the overall page load time (not a
specific code) in all your site you should look a specific tool for it,
like Web Application Stress Tool.
--
Fabio Terracini
Synex Technologies Co.
Consultant
Fone/Fax: +55 (11) 3071-3363
[EMAIL PROTECTED]
www.synex.com.br
Karl Simanonok wrote:
>I'd like to be able to measure the response times of thousands of various
>URLs I have in a database. This is one way:
>
><CFOUTPUT QUERY="GetSites">
>
> <CFSET TimeHack1 = TimeFormat(Now(), 'hh:mm:ssTT')>
>
> <CFHTTP URL="#GetSites.URL#"
> METHOD="GET"
> resolveURL="1"
> throwOnError="YES">
> </CFHTTP>
>
> <CFSET TimeHack2 = TimeFormat(Now(), 'hh:mm:ssTT')>
>
> <CFSET TimeDiff = DateDiff("s", TimeHack1, TimeHack2) * 1000>
>
> <H1>Ping time: #TimeDiff# Milliseconds!</H1>
>
></CFOUTPUT>
>
>The PROBLEM with this method is that the ColdFusion time functions only
>allow resolution to the nearest second, so I get results like 0, 1000,
>2000, 3000 etc., a very crude measurement when what I really want is
>response time in milliseconds.
>
>
>Here is another way to to potentially solve the problem, from
>http://www.tek-tips.com/viewthread.cfm?qid=1090810&page=3:
>
><cfset dir=getdirectoryfrompath(getcurrenttemplatepath())>
>
><cfloop from="254" to="200" index="lp" step="-1">
>
> <cfset ip="10.1.1.#lp#">
>
> <cfset filename="10.1.1.#numberformat(lp,"000")#.txt">
>
> <cfexecute name="c:\winnt\system32\ping.exe" arguments="#ip# -n 1"
>timeout="5" outputfile="#dir##filename#"></cfexecute>
>
> <cffile action="READ" file="#dir##filename#" variable="txt">
>
> <cfoutput>#ip#</cfoutput>
>
> <cfif txt contains "Reply from #ip#">
> SUCCESS
> <cfelseif txt contains "Request timed out.">
> -failed-
> <cfelse>
> <font color="Red">unknown</font>
> </cfif>
></cfloop>
>
>The PROBLEM with this second method is that it's got to be horribly
>inefficient to repeatedly call Ping.exe with CFEXECUTE (and wait for four
>replies), write a file, then read the file. On top of it the output has to
>be parsed up to get the final number of milliseconds that I really
>want. While this method could probably be made considerably more efficient
>by skipping the file-writing and file-reading steps and just parsing the
>output from CFEXECUTE, it's still ugly and kludgy to repeatedly call
>Ping.exe this way, I'd sooner just get my results to the nearest second
>with the first method.
>
>1) I'd very much like to be able to use CF by itself if possible; is there
>any known way to use CF to get the time difference between two time hacks
>in milliseconds?
>
>2) Secondly, because CF is limited in the number of simultaneous threads it
>can handle (I'm using CF 5 although I could use MX 6 if I really had to),
>what happens if thousands of CFHTTP requests are made this way very
>quickly? Does CF just stop and wait until there are threads available or
>could so many CFHTTP requests lock up the server this app would be running
>on? I suppose I could throttle down the request rate if I had to, there
>isn't any reason why thousands of CFHTTP requests have to be made all in
>one batch. So I guess this question boils down to: what would be the
>maximum number of CFHTTP requests that I should burden the server with at
>any one time? It's a CrystalTech dedicated server, a 1.8 GHz single Intel
>CPU machine running Windows 2003 Server and CF 5.0 with about half a gig of
>RAM, and it can be devoted to this task if need be, so interference with
>other applications isn't a factor.
>
>3) Finally, CFHTTP if successful will return all the code from the URL
>called, unlike Ping.exe. I like this fact because it will give me a truer
>response time for each URL in my database, but all I actually need is the
>response time in milliseconds. Is all the data returned going to fill up
>RAM on the server or worse go to disk cache, or can I somehow tell CF to
>discard it immediately?
>
>Regards,
>
>Karl Simanonok
>
>
>
>
>
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