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er_archive(1)							 er_archive(1)

NAME
       er_archive  -  construct	 function  and	module lists for a performance
       experiment

SYNOPSIS
	      er_archive [ -nqFA ]  experiment.

	      er_archive -V

DESCRIPTION
       er_archive runs automatically when an experiment completes normally, or
       upon  initial  invocation  of  the  analyzer  or er_print command on an
       experiment.  It reads the list of  shared  objects  referenced  in  the
       experiment,  and constructs an archive file for each.  Each output file
       is named with a suffix of .archive, and contains	 function  and	module
       mappings	 for  the  shared  object.   If	 the target program terminates
       abnormally, er_archive might not run.

       If the user wishes to examine the experiment  on	 a  different  machine
       from  the one on which it was recorded, er_archive must be manually run
       on the experiment on the machine on which the data was recorded.

       A .archive file is generated for all shared objects referenced  in  the
       experiment.  If the shared object cannot be found, or if it has a time‐
       stamp differing from that recorded in the experiment, or if  er_archive
       is  run	on  a  different machine from that on which the experiment was
       recorded, the .archive contains a warning.  Warnings are	 also  written
       to stderr whenever er_archive is run manually (without the -q flag).

OPTIONS
       -n	 Archive  the  named  experiment  only, not any of its descen‐
		 dants.

       -q	 Do not write any warnings to stderr.  Warnings	 are  incorpo‐
		 rated	into  the  .archive file, and shown in the analyzer or
		 er_print output.

       -F	 Force writing or rewriting of .archive files.	This  argument
		 can  be used to run er_archive by hand, to rewrite files that
		 had warnings.

       -A	 Request writing of all	 load  objects	to  experiment.	  This
		 argument  can	be  used to generate experiments that are more
		 readily copied to a machine other than the one on  which  the
		 experiment was recorded.

       -V	 Write version number information for er_archive and exit.

COMPATIBILITY
       er_archive  does not work on experiments recorded with earlier versions
       of the tools.  If invoked on such experiments, a	 warning  is  printed.
       Use  the	 version of er_archive from the release with which the experi‐
       ment was recorded.

SEE ALSO
       collect(1), collector(1), er_print(1), and the
       Performance Analyzer manual.

				 November 2003			 er_archive(1)

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