NAME
mmv_inc_value - update a value in a Memory Mapped Value file
C SYNOPSIS
#include <pcp/pmapi.h> #include <pcp/mmv_stats.h>
void mmv_inc_value(void *addr, pmAtomValue *val, double inc)
cc ... -lpcp_mmv -lpcp
DESCRIPTION
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.
SEE ALSO
mmv_stats_init(3), mmv_lookup_value_desc(3) and mmv(4).