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Valérie SchneiderSubject: Strange "tree time %" for XSLT Profiling
Author: Valérie Schneider
Date: 08 Apr 2005 07:52 AM
Hi,
I have a question on the profiling output.
I am using the "Show call tree of execution times" for XSLT profiling and the Xalan-J processor.

I've got a result that I don't understand, the "tree time %" for the <xsl:template match="/"/>
is 40%.
I thought it should always be about 100%.

Do you have any idea how it is possible ? Can I trust this value ?

Thanks
Valerie
Postnext
Tony LavinioSubject: Strange
Author: Tony Lavinio
Date: 08 Apr 2005 05:47 PM
Originally Posted: 08 Apr 2005 05:01 PM
The first line in the Call Tree should have a "Tree Time %" of 100%. If you do profiling while debugging, that might throw off the timer if you pause and continue. Otherwise, we'd be interested if you could post the XSL and XML that caused this. There is a little attachment checkbox above the field you type in; you can use it to attach the documents. Or, you can email them to stylus-field-report (at) datadirect.com and we'd be happy to take a look and give you an explanation.
Postnext
Valérie SchneiderSubject: Strange
Author: Valérie Schneider
Date: 11 Apr 2005 04:32 AM
I just do profiling, not debugging.

Here are the XSL and the XML.
The stylesheet is word2html.xsl, which transforms WordprocessingML files to HTML.
It's a component of the Microsoft Word 2003 XML Viewer.

Thanks for your help,
Valérie


Unknownword2html.xsl


UnknownITER-AD-FR-TRAD-0687339.xml
Postnext
Tony LavinioSubject: Strange
Author: Tony Lavinio
Date: 12 Apr 2005 11:29 AM
This is a very interesting problem, and not one that can easily be solved - and here's why. The XSLT you have has lots of variable definitions at the top level - outside of any template. Since XSLT is declarative, the implementation defines the order in which steps are executed, and in this case, it appears that Xalan-J (and Saxon and even our internal engine) process those _before_ starting the root template. So the execution times for them aren't under <xsl:template match="/">. It's like a tree with multiple roots. Unfortunately, there isn't much we can do, since we can only report the time as the XSLT engine gives it to us. However, the various times for the individual trees rooted at each xsl:variable are themselves accurate.
Posttop
Valérie SchneiderSubject: Strange
Author: Valérie Schneider
Date: 13 Apr 2005 04:10 AM
I thought it might be because of the top-levels variables.
But this is the only input file that gives such a result.
I do profiling with the same stylesheet and others xml files and the first line in the Call Tree has always a "Tree Time %" of 100%.
If Xalan-J processes top-levels variables before starting the root template, I should see this result fort almost all input files (there is only 6 of the 117 top-levels variables which depend on the source tree, the others are fixed).

Attached another input file, if you're interested.

I will try to obtain the times spent on each top-level variables.

Thanks,
Valérie


UnknownITER-OJ-FR-ORIG-0968199.xml
   
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