pmnewcontextzone(3) — Linux manual page

NAME | C SYNOPSIS | DESCRIPTION | SEE ALSO | DIAGNOSTICS | COLOPHON

PMNEWCONTEXTZONE(3)     Library Functions Manual     PMNEWCONTEXTZONE(3)

NAME         top

       pmNewContextZone - establish a reporting timezone based on a
       PMAPI context

C SYNOPSIS         top

       #include <pcp/pmapi.h>

       int pmNewContextZone(void);

       cc ... -lpcp

DESCRIPTION         top

       The current reporting timezone affects the timezone used by
       pmCtime(3) and pmLocaltime(3).

       If the current PMAPI context is an archive, pmNewContextZone uses
       the timezone from the archive label record to set the current
       reporting timezone.

       If the current PMAPI context corresponds to a host source of
       metrics, pmNewContextZone executes a pmFetch(3) to retrieve the
       value for the metric pmcd.timezone and uses that to set the
       current reporting timezone.

       In both cases, pmNewContextZone returns a value to identify the
       current reporting timezone that may be used in a subsequent call
       to pmUseZone(3) to restore this reporting timezone.

SEE ALSO         top

       PMAPI(3), pmCtime(3), pmFetch(3), pmGetConfig(3), pmLocaltime(3),
       pmNewContext(3), pmNewZone(3), pmUseZone(3), pmWhichZone(3),
       pcp.conf(5), pcp.env(5) and environ(7).

DIAGNOSTICS         top

       PM_ERR_NOCONTEXT
              the current PMAPI context is not valid

       other  a return value less than zero indicates a fatal error from
              a system call, most likely malloc(3)

COLOPHON         top

       This page is part of the PCP (Performance Co-Pilot) project.
       Information about the project can be found at 
       ⟨http://www.pcp.io/⟩.  If you have a bug report for this manual
       page, send it to pcp@groups.io.  This page was obtained from the
       project's upstream Git repository
       ⟨https://github.com/performancecopilot/pcp.git⟩ on 2020-12-18.
       (At that time, the date of the most recent commit that was found
       in the repository was 2020-12-18.)  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

Performance Co-Pilot               PCP               PMNEWCONTEXTZONE(3)

Pages that refer to this page: pmseries(1)pcpintro(3)__pmconverttime(3)pmctime(3)pmlocaltime(3)__pmmktime(3)pmnewzone(3)__pmparsetime(3)pmparsetimewindow(3)pmusezone(3)pmwhichzone(3)