|
NAME | C SYNOPSIS | DESCRIPTION | SEE ALSO | COLOPHON |
|
|
|
MMV_INC_VALUE(3) Library Functions Manual MMV_INC_VALUE(3)
mmv_inc_value - update a value in a Memory Mapped Value file
#include <pcp/pmapi.h>
#include <pcp/mmv_stats.h>
void mmv_inc_value(void *addr, pmAtomValue *val, double inc);
cc ... -lpcp_mmv -lpcp
mmv_inc_value provides a convenient way of updating a value
returned by the mmv_lookup_value_desc. addr is the address
returned from mmv_stats_init().
The value of the inc is internally cast to match the type of the
metric and then added to the previous value of the metric.
mmv_stats_init(3), mmv_lookup_value_desc(3) and mmv(5).
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 MMV_INC_VALUE(3)
Pages that refer to this page: mmv_lookup_value_desc(3), mmv_stats_init(3), mmv_stats_registry(3)
|
HTML rendering created 2020-12-21 by Michael Kerrisk, author of The Linux Programming Interface, maintainer of the Linux man-pages project. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
|