Re: Making sense of some dprof output


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Re: Making sense of some dprof output

by perrin (Chancellor)

on May 19, 2009 at 03:19 UTC ( [id://764806]=note: print w/replies, xml )

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in reply to Making sense of some dprof output

Why is the elapsed time double the user+system time? Because the elapsed time is real time and includes things like waiting for I/O operations. In other words, when working on a program that manipulates files, it's the number you should be paying attention to.

I'd also suggest you ditch Devel::DProf and start using Devel::NYTProf.

Comment on Re: Making sense of some dprof output

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Re^2: Making sense of some dprof output by PoorLuzer (Beadle) on May 19, 2009 at 05:24 UTC
Nah.. I tried using Devel::NYTProf, but it does not come installed like dprof. I tried installing it by hand ONLY to find out that it uses XS. So me using Devel::NYTProf is pretty much out of question because I am not admin.	[reply]
Re^3: Making sense of some dprof output by tim.bunce (Scribe) on May 19, 2009 at 08:06 UTC
Devel::DProf is broken. The results are mostly garbage. See the first few minutes of http://timbunce.blip.tv/file/1130150/ for an example. You can build and install any perl module, including XS modules, into a perl library directory of your own. You don't need admin rights.	[reply]

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