[perl #59384] DProf reports wrong elapsed times

On Fri Sep 26 14:59:37 2008, jeff.holt@method-r.com wrote:

> 
> The runtime of the following command was about 2 minutes:
> 
> perl -d:DProf p5k.pl x.zip > x.xml
> 
> It created a 395MB tmon.out file (deflated is 5MB). Then I executed
> dprofpp
> and it printed this (only the first few lines are shown):
> 
> Total Elapsed Time = 6.188358 Seconds
>   User+System Time = 6.108358 Seconds
> Exclusive Times
[snip]
> 
> The exclusive times for each function are also probably incorrect. I
> ran it with
> the "-O 200" argument and the total exclusive time was ~83 seconds;
> far less
> than the actual response time. So it's difficult for me to believe any
> of the data
> in this report.
> [snip]

Since the program being profiled, p5k.pl, was not provided, trying to
reproduce this problem is problematic.

Can you provide a program that would enable others to try to reproduce
the problem?

Thank you very much.
Jim Keenan

• Re: [perl #59384] DProf reports wrong elapsed times by Jeff Holt
• Re: [perl #59384] DProf reports wrong elapsed times by Jeff Holt
• [perl #59384] DProf reports wrong elapsed times by Father Chrysostomos via RT
• [perl #59384] DProf reports wrong elapsed times by James E Keenan via RT
• Re: [perl #59384] DProf reports wrong elapsed times by Jesse Luehrs