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(5).