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contrib-munin/plugins/ntp/ntp_kernel_pll_tol

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#!/bin/sh
# -*- sh -*-
: <<EOF
=head1 NAME
ntp_kernel_pll_tol - Plugin to monitor the kernel's PLL frequency tolerance for
the NTP status
=head1 CONFIGURATION
No configuration
=head1 AUTHORS
Original authors unknown
ntp_kernel_pll_freq script patched by azet@azet.org for frequency tolerance support
=head1 LICENSE
Unknown license
=head1 BUGS
None known
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=cut
EOF
if [ "$1" = "autoconf" ]; then
{ ntpq -c kerninfo; ntpdc -c kerninfo; } 2>/dev/null |
awk 'BEGIN { ev=1; }
/^frequency tolerance:/ { ev=0; }
END { if (ev == 0) { print "yes";} else { print "no"; } exit ev; }'
exit 0
fi
if [ "$1" = "config" ]; then
echo 'graph_title NTP kernel PLL frequency tolerance (ppm)'
echo 'graph_args --alt-autoscale'
echo 'graph_vlabel PLL frequency (ppm)'
echo 'graph_category time'
echo 'graph_info The frequency tolerance of the kernel phase-locked loop used by NTP'
echo 'ntp_pll_tol.label pll-tolerance'
echo 'ntp_pll_tol.info Phase-locked loop frequency tolerance in parts per million'
exit 0
fi
echo -n 'ntp_pll_tol.value '
{ ntpq -c kerninfo; ntpdc -c kerninfo; } 2>/dev/null | awk '/^frequency tolerance:/ { print $3 }'