'\"macro stdmacro
.\"
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.TH PMSORTINSTANCES 3 "PCP" "Performance Co-Pilot"
.SH NAME
\f3pmSortInstances\f1 \- sort performance metric values on instance identifier
.SH "C SYNOPSIS"
.ft 3
#include <pcp/pmapi.h>
.sp
void pmSortInstances(pmResult *\fIresult\fP);
.sp
cc ... \-lpcp
.ft 1
.SH DESCRIPTION
.de CW
.ie t \f(CW\\$1\f1\\$2
.el \fI\\$1\f1\\$2
..
.PP
The routine
.B pmSortInstances
may be used to guarantee that for each performance metric in the
.I result
from
.BR pmFetch (3),
the instances are in ascending instance identifier sequence.
.PP
This is most useful when trying to compute rates from two consecutive
.BR pmFetch (3)
results.
.SH SEE ALSO
.BR PMAPI (3)
and
.BR pmFetch (3).
.SH DIAGNOSTICS
None.