'\"macro stdmacro
.\"
.\" Copyright (c) 2026 Nutanix, Inc.
.\"
.\" 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
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.\" WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
.\" or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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.\"
.\"
.TH PMDACHRONY 1 "PCP" "Performance Co-Pilot"
.SH NAME
\f3pmdachrony\f1 \- chronyd PMDA
.SH DESCRIPTION
\f3pmdachrony\f1 is a Performance Metrics Domain Agent (PMDA) which exports
metric values from chronyd, as exposed by the
.B chronyc
utility.
.SH INSTALLATION
Install the chrony PMDA by using the Install script as root:
.sp 1
.RS +4
.ft B
.nf
# cd $PCP_PMDAS_DIR/chrony
# ./Install
.fi
.ft P
.RE
.sp 1
.PP
To uninstall, do the following as root:
.sp 1
.RS +4
.ft B
.nf
# cd $PCP_PMDAS_DIR/chrony
# ./Remove
.fi
.ft P
.RE
.sp 1
\fBpmdachrony\fR is launched by \fIpmcd\fR(1) and should never be executed
directly. The Install and Remove scripts notify \fIpmcd\fR(1) when the
agent is installed or removed.
.SH FILES
.IP "\fB$PCP_PMDAS_DIR/chrony/Install\fR" 4
installation script for the \fBpmdachrony\fR agent
.IP "\fB$PCP_PMDAS_DIR/chrony/Remove\fR" 4
undo installation script for the \fBpmdachrony\fR agent
.IP "\fB$PCP_LOG_DIR/pmcd/chrony.log\fR" 4
default log file for error messages from \fBpmdachrony\fR
.SH PCP ENVIRONMENT
Environment variables with the prefix \fBPCP_\fR are used to parameterize
the file and directory names used by \fBPCP\fR. On each installation, the
file \fB/etc/pcp.conf\fR contains the local values for these variables.
The \fB$PCP_CONF\fR variable may be used to specify an alternative
configuration file, as described in \fIpcp.conf\fR(5).
.SH SEE ALSO
.BR PCPIntro (1),
.BR pmcd (1),
.BR chronyc (1)
and
.BR chronyd (8).

.\" control lines for scripts/man-spell
.\" +ok+ pmdachrony chronyc chronyd chrony