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pprof

Langue: en

Version: February 2005 (fedora - 25/11/07)

Section: 1 (Commandes utilisateur)

NAME

pprof - manual page for pprof (part of google-perftools)

SYNOPSIS

pprof [options] <program> <profile>

DESCRIPTION

Prints specified cpu- or heap-profile

OPTIONS

--cum
Sort by cumulative data
--base=<base>
Subtract <base> from <profile> before display

Reporting Granularity:

--addresses
Report at address level
--lines
Report at source line level
--functions
Report at function level [default]
--files
Report at source file level

Output type:

--text
Generate text report [default]
--gv
Generate Postscript and display
--list=<regexp>
Generate source listing of matching routines
--disasm=<regexp>
Generate disassembly of matching routines
--dot
Generate DOT file to stdout
--ps
Generate Postcript to stdout
--pdf
Generate PDF to stdout
--gif
Generate GIF to stdout

Heap-Profile Options:

--inuse_space
Display in-use (mega)bytes [default]
--inuse_objects
Display in-use objects
--alloc_space
Display allocated (mega)bytes
--alloc_objects
Display allocated objects
--show_bytes
Display space in bytes
--drop_negative
Ignore negaive differences

Call-graph Options:

--nodecount=<n>
Show at most so many nodes [default=80]
--nodefraction=<f>
Hide nodes below <f>*total [default=.005]
--edgefraction=<f>
Hide edges below <f>*total [default=.001]
--focus=<regexp>
Focus on nodes matching <regexp>
--ignore=<regexp>
Ignore nodes matching <regexp>
--scale=<n>
Set GV scaling [default=0]

EXAMPLES

pprof /bin/ls ls.prof

Outputs one line per procedure

pprof --gv /bin/ls ls.prof

Displays annotated call-graph via 'gv'

pprof --gv --focus=Mutex /bin/ls ls.prof

Restricts to code paths including a .*Mutex.* entry

pprof --gv --focus=Mutex --ignore=string /bin/ls ls.prof

Code paths including Mutex but not string

pprof --list=getdir /bin/ls ls.prof

Dissassembly (with per-line annotations) for getdir()

pprof --disasm=getdir /bin/ls ls.prof

Dissassembly (with per-PC annotations) for getdir()
Copyright © 2005 Google Inc.

SEE ALSO

Further documentation for pprof is maintained as a web page called cpu_profiler.html and is likely installed at one of the following locations:
/usr/share/google-perftools/cpu_profiler.html
/usr/local/share/google-perftools/cpu_profiler.html
> C'est quoi une image ?
Je sais pas, mais quand j'etais môme il y en avait dans les emballages
de chocolat.
La question qu'est ce que le chocolat me parait déjà plus simple.
-+- Noëlle à Yvan, sur fr.rec.photo -+-