Gzip behavior on open files? Post: 302800419

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pmfetcharchive

PMFETCHARCHIVE(3)					     Library Functions Manual						 PMFETCHARCHIVE(3)

NAME

       pmFetchArchive - get performance metrics directly from an archive log

C SYNOPSIS

       #include <pcp/pmapi.h>

       int pmFetchArchive(pmResult **result);

       cc ... -lpcp

DESCRIPTION

       pmFetchArchive  is  a  variant  of  pmFetch(3) that may only be used when the current Performance Metrics Application Programming Interface
       (PMAPI) context is associated with an archive log.

       The result is instantiated with all of the metrics (and instances) from the next archive record, consequently there is no notion of a  list
       of desired metrics, and the instance profile of the PMAPI context is ignored.

       It  is  expected that pmFetchArchive would be used to create utilities that scan archive logs, while the more common access to the archives
       would be via the pmFetch(3) interface.

       To skip records within the archive log, use pmSetMode(3) to change the  collection  time  within  the  current  PMAPI  context,	then  call
       pmFetchArchive.

       Note  that  the	result returned by pmFetchArchive is dynamically allocated, and must be released using pmFreeResult(3), not free(3C).  See
       pmFetch(3) and pmFreeResult(3) for further details.

       pmFetchArchive returns zero on success.

SEE ALSO

       PMAPI(3), pmFetch(3), pmFreeResult(3), pmNewContext(3), pmSetMode(3) and pmTrimNameSpace(3).

DIAGNOSTICS

       PM_ERR_NOTARCHIVE
	      the current PMAPI context is not associated with an archive log

Performance Co-Pilot							PCP							 PMFETCHARCHIVE(3)

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gzip, multiple files

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