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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2001-03-27 05:43:51 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-03-27 05:43:51 +0000 |
| commit | 6e36760b26269f003d86cd387e73137c4c53b491 (patch) | |
| tree | 2e40ead84f0d9bb3b1cfae513dc2641651ebc76d /pod/perlhack.pod | |
| parent | 49a78c826894475f45e57b053fd96ea7cb04dc4d (diff) | |
| download | perl-6e36760b26269f003d86cd387e73137c4c53b491.tar.gz | |
Pixie documenting.
p4raw-id: //depot/perl@9373
Diffstat (limited to 'pod/perlhack.pod')
| -rw-r--r-- | pod/perlhack.pod | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/pod/perlhack.pod b/pod/perlhack.pod index c557c80edc..33a15e34da 100644 --- a/pod/perlhack.pod +++ b/pod/perlhack.pod @@ -1739,8 +1739,8 @@ You can build a profiled version of perl called "perl.pixie" by invoking the make target "perl.pixie" (in Tru64 a file called "perl.Addrs" will also be silently created, this file contains the addresses of the basic blocks). Running the profiled version of Perl -will create a new file called "Perl.Counts" which contains the basic -block counts for that particular program execution. +will create a new file called "perl.Counts" which contains the counts +for the basic block for that particular program execution. To display the results you must use the "prof" utility. The exact incantation depends on your operating system, "prof perl.Counts" in @@ -1753,11 +1753,13 @@ In IRIX the following prof options are available: =item -h Reports the most heavily used lines in descending order of use. +Useful for finding the hotspot lines. =item -l Groups lines by procedure, with procedures sorted in descending order of use. Within a procedure, lines are listed in source order. +Useful for finding the hotspots of procedures. =back @@ -1767,20 +1769,24 @@ In Tru64 the following options are available: =item -p -Sorted in descending order by the number of cycles executed in each procedure. +Procecures sorted in descending order by the number of cycles executed +in each procedure. Useful for finding the hotspot procedures. (This is the default option.) =item -h -Sorted in descending order by the number of cycles executed in each line. +Lines sorted in descending order by the number of cycles executed in +each line. Useful for finding the hotspot lines. =item -i -The called procedures are sorted in descending order by number of calls. +The called procedures are sorted in descending order by number of calls +made to the procedures. Useful for finding the most used procedures. =item -l Grouped by procedure, sorted by cycles executed per procedure. +Useful for finding the hotspots of procedures. =item -testcoverage |