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#  perf-help(1) — Linux manual page

NAME  |  SYNOPSIS  |  DESCRIPTION  |  OPTIONS  |  PERF  |  COLOPHON   
---  
|  
      
    
    _PERF-HELP_(1)                   perf Manual                  _PERF-HELP_(1)
    

##  NAME  top

    
    
           perf-help - display help information about perf
    

##  SYNOPSIS  top

    
    
           _perf help_ [-a|--all] [COMMAND]
    

##  DESCRIPTION  top

    
    
           With no options and no COMMAND given, the synopsis of the _perf_
           command and a list of the most commonly used perf commands are
           printed on the standard output.
    
           If the option _--all_ or _-a_ is given, then all available commands
           are printed on the standard output.
    
           If a perf command is named, a manual page for that command is
           brought up. The _man_ program is used by default for this purpose,
           but this can be overridden by other options or configuration
           variables.
    
           Note that perf --help ... is identical to perf help ... because
           the former is internally converted into the latter.
    

##  OPTIONS  top

    
    
           -a, --all
               Prints all the available commands on the standard output.
               This option supersedes any other option.
    

##  PERF  top

    
    
           Part of the [perf(1)](../man1/perf.1.html) suite
    

##  COLOPHON  top

    
    
           This page is part of the _perf_ (Performance analysis tools for
           Linux (in Linux source tree)) project.  Information about the
           project can be found at 
           â¨<https://perf.wiki.kernel.org/index.php/Main_Page>â©.  If you have a
           bug report for this manual page, send it to
           linux-kernel@vger.kernel.org.  This page was obtained from the
           project's upstream Git repository
           â¨<http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git>â©
           on 2023-12-22.  (At that time, the date of the most recent commit
           that was found in the repository was 2023-12-21.)  If you
           discover any rendering problems in this HTML version of the page,
           or you believe there is a better or more up-to-date source for
           the page, or you have corrections or improvements to the
           information in this COLOPHON (which is _not_ part of the original
           manual page), send a mail to man-pages@man7.org
    
    perf                           2009-06-06                   _PERF-HELP_(1)
    

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Pages that refer to this page: [ perf(1) ](../man1/perf.1.html)

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