102 lines
2.7 KiB
Bash
Executable File
102 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright 2018, Babak Farrokhi. All rights reserved
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#
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# vim: sta:et:sw=4:ts=4:sts=4
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# -*- coding: utf-8 -*-
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#
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# Wildcard-plugin to monitor inbound and outbound distribution of frames by size range on Chelsio cxl NICs.
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#
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# ln -s /usr/share/munin/node/plugins-auto/chelsio_framesize_ /etc/munin/node.d/chelsio_framesize_cxl0
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#
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# ...will monitor cxl0.
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#
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# Magic markers (optional - used by munin-config and some installation
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# scripts):
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#
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#%# family=auto
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#%# capabilities=autoconf suggest
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INTERFACE=${0##*chelsio_framesize_}
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init_vars()
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{
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if [ -z ${INTERFACE} ]; then
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echo "Please use symlinked script (e.g. chelsio_framesize_cxl0)"
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exit 1
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fi
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IFINDEX=`echo ${INTERFACE} | egrep -o '[0-9]+'`
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SIZE_LIST="64 65_127 128_255 256_511 512_1023 1024_1518 1519_max"
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}
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case $1 in
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autoconf)
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if [ -x /sbin/sysctl ]; then ## FIXME: check if any cxl interface exist
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echo yes
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exit 0
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else
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echo "no (no cxl interface is present)"
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exit 0
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fi
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;;
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suggest)
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if [ -x /sbin/ifconfig ]; then
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ifconfig -l | xargs -n 1 echo | grep ^cxl
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exit 0
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else
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exit 1
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fi
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;;
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config)
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init_vars
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echo "graph_title Interface ${INTERFACE} TX and RX Frame Size Distribution"
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echo "graph_args --base 1000"
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echo "graph_vlabel Frames by size"
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echo "graph_category network"
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echo "graph_info This graph shows the number of frams transmitted or received on ${INTERFACE} interface separated by size"
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for dir in tx rx; do
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for size in ${SIZE_LIST}; do
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echo "${dir}_${size}.label ${size} bytes frames ${dir}ed on ${INTERFACE}"
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echo "${dir}_${size}.type DERIVE"
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echo "${dir}_${size}.min 0"
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done
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done
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exit 0
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;;
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*)
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init_vars
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v_names=`mktemp`
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v_values=`mktemp`
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## TX and RX Frame Size Information
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TUNABLE=""
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for dir in tx rx; do
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for size in ${SIZE_LIST}; do
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TUNABLE="${TUNABLE} dev.cxl.${IFINDEX}.stats.${dir}_frames_${size}"
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done
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done
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# build left side of output
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for dir in tx rx; do
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for size in ${SIZE_LIST}; do
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echo "${dir}_${size}.value" >> ${v_names}
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done
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done
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# build right side of output
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VALUES=`/sbin/sysctl -n ${TUNABLE}`
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echo $VALUES | xargs -n1 echo > ${v_values}
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# merge left and right
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paste -d" " ${v_names} ${v_values}
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rm ${v_names} ${v_values}
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;;
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esac
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