#!/bin/sh
# -*- sh -*-

: <<EOF

=head1 NAME

ntp_kernel_pll_prec - Plugin to monitor the kernel's PLL precision for
the NTP status

=head1 CONFIGURATION

No configuration

=head1 AUTHORS

Original authors unknown
ntp_kernel_pll_freq patched for PLL precision support by azet@azet.org

=head1 LICENSE

Unknown

=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; }
         /^precision:/ { 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 precision'
    echo 'graph_args --alt-autoscale'
    echo 'graph_vlabel PLL precision'
    echo 'graph_category time'
    echo 'graph_info The precision of the kernel phase-locked loop used by NTP'
    echo 'ntp_pll_prec.label pll-precision'
    echo 'ntp_pll_prec.info Phase-locked loop precision in seconds'
    exit 0
fi
CALL=`{ ntpq -c kerninfo; ntpdc -c kerninfo; } 2>/dev/null | awk '/^precision:/ { print $2 }'`
printf "ntp_pll_prec.value %.23f" ${CALL} ; echo
