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Diffstat (limited to 'man/man3/mmv_inc_value.3')
| -rw-r--r-- | man/man3/mmv_inc_value.3 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/man/man3/mmv_inc_value.3 b/man/man3/mmv_inc_value.3 new file mode 100644 index 0000000..5204aea --- /dev/null +++ b/man/man3/mmv_inc_value.3 @@ -0,0 +1,42 @@ +'\"macro stdmacro +.\" +.\" Copyright (c) 2009 Max Matveev +.\" Copyright (c) 2009 Aconex. All Rights Reserved. +.\" +.\" This program is free software; you can redistribute it and/or modify it +.\" under the terms of the GNU General Public License as published by the +.\" Free Software Foundation; either version 2 of the License, or (at your +.\" option) any later version. +.\" +.\" This program is distributed in the hope that it will be useful, but +.\" WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +.\" or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +.\" for more details. +.\" +.\" +.TH MMV_INC_VALUE 3 "" "Performance Co-Pilot" +.SH NAME +\f3mmv_inc_value\f1 - update a value in a Memory Mapped Value file +.SH "C SYNOPSIS" +.ft 3 +#include <pcp/pmapi.h> +.br +#include <pcp/mmv_stats.h> +.sp +void mmv_inc_value(void *\fIaddr\fP, pmAtomValue *\fIval\fP, double \fIinc\fP); +.sp +cc ... \-lpcp_mmv \-lpcp +.ft 1 +.SH DESCRIPTION +.P +\f3mmv_inc_value\f1 provides a convenient way of updating a value +returned by the \f3mmv_lookup_value_desc\f1. +\f2addr\f1 is the address returned from \f3mmv_stats_init\f1(). +.P +The value of the \f2inc\f1 is internally cast to match the type of +the metric and then added to the previous value of the metric. +.SH SEE ALSO +.BR mmv_stats_init (3), +.BR mmv_lookup_value_desc (3) +and +.BR mmv (5). |