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[perl #59384] DProf reports wrong elapsed times

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James E Keenan via RT
December 2, 2011 19:53
[perl #59384] DProf reports wrong elapsed times
Message ID:
On Fri Sep 26 14:59:37 2008, wrote:

> The runtime of the following command was about 2 minutes:
> perl -d:DProf > 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
> 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,, 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

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