$NetBSD$

Fix irqstats plugin for NetBSD to provide correct output (upstream
duplicates field value into field name, causing all kinds of annoyance).

upstream bug: https://github.com/munin-monitoring/munin/issues/1537

--- plugins/node.d.netbsd/irqstats.in.old	2023-05-11 21:13:03.318450301 +0000
+++ plugins/node.d.netbsd/irqstats.in	2023-05-11 21:18:29.075543005 +0000
@@ -1,5 +1,5 @@
 #!@@GOODSH@@
-#
+# 
 # Plugin to monitor the individual interrupt sources.
 #
 # Usage: Link or copy into /etc/munin/node.d/
@@ -34,22 +34,12 @@
     fi
 fi
 
-intr_sources () {
-    /usr/bin/vmstat -i | awk '
-/^interrupt/ { next; }
-/^Total/ { next; }
-{
-    s=substr($0, 1, 24);
-    gsub(" *$", "", s);
-    gsub(" ", "_", s);
-    print s;
-}
-'
-}
+intr_sources=$(/usr/bin/vmstat -i|grep -v Total|grep -v 'total rate'|sed -E 's/ {2,}/|/g'|sed 's/ /_/g'|grep -e '[:alnum:]'|cut -d\| -f1)
+echo "intr_sources = |$intr_sources|"
 
 # If run with the "config"-parameter, give out information on how the
-# graphs should look.
-
+# graphs should look. 
+ 
 if [ "$1" = "config" ]; then
 
     echo 'graph_title Individual interrupts'
@@ -57,12 +47,12 @@
     echo 'graph_vlabel interrupts / ${graph_period}'
     echo 'graph_category system'
     echo -n 'graph_order '
-    for i in `intr_sources`; do
+    for i in $intr_sources; do
 	echo -n ' intr_'${i}
     done
     echo
 
-    for i in `intr_sources`; do
+    for i in $intr_sources; do
 #	echo 'intr_'${i}'.draw LINE'
 	echo 'intr_'${i}'.label' `echo $i | sed -e 's/_/ /g'`
 	echo 'intr_'${i}'.info Interrupt' `echo $i | sed -e 's/_/ /g'`
@@ -72,13 +62,5 @@
     exit 0
 fi
 
-/usr/bin/vmstat -i | awk '
-/^interrupt/ { next; }
-/^Total/ { next; }
-/[0-9]/{
-    s=substr($0, 1, 24);
-    gsub(" *$", "", s);
-    gsub(" ", "_", s);
-    print "intr_" s ".value " $(NF-1);
-}
-'
+/usr/bin/vmstat -i|grep -v Total|grep -v 'total rate'|sed -E 's/ {2,}/|/g'|sed 's/ /_/g'|sed 's/|/ /g'|grep -E '[:alnum:]'|awk '{print $1 ".value " $2}'
+