Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
GCORE(1)		  BSD General Commands Manual		      GCORE(1)

NAME
     gcore -- get core images of running process

SYNOPSIS
     gcore [-f]	[-c core] [executable] pid

DESCRIPTION
     The gcore utility creates a core image of the specified process, suitable
     for use with gdb(1).  By default, the core	is written to the file
     "core._pid_".  The	process	identifier, pid, must be given on the command
     line.

     The following options are available:

     -c	     Write the core file to the	specified file instead of
	     "core._pid_".

     -f	     Dumps all available segments, excluding only malformed and	un-
	     dumpable segments.	 Unlike	the default invocation,	this flag
	     dumps mappings of devices which may invalidate the	state of de-
	     vice transactions or trigger other	unexpected behavior.  As a re-
	     sult, this	flag should only be used when the behavior of the ap-
	     plication and any devices it has mapped is	fully understood and
	     any side effects can be controlled	or tolerated.

FILES
     core.<pid>		the core image

HISTORY
     A gcore utility appeared in 4.2BSD.

BUGS
     Because of	the ptrace(2) usage gcore may not work with processes which
     are actively being	investigated with truss(1) or gdb(1).  Additionally,
     interruptable sleeps may exit with	EINTR.

     The gcore utility is not compatible with the original 4.2BSD version.

BSD				 July 13, 2016				   BSD

NAME | SYNOPSIS | DESCRIPTION | FILES | HISTORY | BUGS

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=gcore&sektion=1&manpath=FreeBSD+12.0-RELEASE+and+Ports>

home | help