Devel::NYTProf is a Perl source code performance profiler.
Questions tagged [devel-nytprof]
14 questions
25
votes
1 answer
Why does Perl compile diagnostics.pm if I have no diagnostics in my code?
When I was looking at the output of Devel::NYTProf v4 for a CGI program, I came across the diagnostics.pm in the report Source Code Files — ordered by exclusive time then name.
First I didn't understand why that would be in the production code. I…

simbabque
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9
votes
1 answer
NYTProf Profiler for Perl
This question is about Devel::NYTProf profiler.
The output that I receive from the profiler for a simple line such as:
use strict;
OUTPUT:
statements: 3
Time on Line: 22µs
Calls: 2
Time in Sub: 12µs
So my questions are:
How is this 3…

runtimeZero
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6
votes
2 answers
Profiling a Perl CGI script that times-out
I have a Perl CGI application that sometimes times out, causing it to be killed by Apache and 504 Gateway Time-out error to be sent to browser. I am trying to profile this application using NYTProf, however I cannot read profile data:
$ nytprofhtml…

el.pescado - нет войне
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5
votes
2 answers
How to use NYTProf when there are multiple processes
In my application, I have multiple processes. Initially I start one Perl process by running .pl file, it in turn calls two more .pl scripts creating 2 new processes.
How to use Profile such a code.
I did NYTProf, merged the results and opened with…

rvkreddy
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5
votes
2 answers
Using Devel::NYTProf on program that fork/execs
First I export PERL5OPT=-d:NYTProf from the command line so that my debugging option will be inherited by child processes. Then I launch my Perl program contactd. It forks to become a daemon process, and then fork/execs nine instances of another…

Chap
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4
votes
1 answer
How to read NYTProf html reports?
I'm completely confused about Devel::NYTProf reports generated by nytprofhtml. I'm using old version of NYTProf 1.90. I know it is very old version but should use it for number of reasons.
So these HTML reports look something
like this (when…

ggat
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3
votes
2 answers
Profiling foswiki with NYTProf results in incomplete profile data
I've an foswiki installation which is really slow (~ 60 seconds for a uncached page). I've tried to profile the installation with NYTProf, according to http://foswiki.org/Support/NYTProfDebugging with the following command:
> sudo -u www-data…

sven.to
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2
votes
1 answer
Executing NYTprof in classic asp embedded with perl script
<%@ Language="PERLSCRIPT" %>