muninlite/plugins/cpu
runesk 7c8bd1e394 Import
git-svn-id: svn://svn.code.sf.net/p/muninlite/code/muninlite@1 35caa317-6b62-4e8a-81c0-b04f0c356266
2007-06-11 15:45:16 +00:00

84 lines
2.9 KiB
Plaintext

config_cpu() {
extinfo=""
if grep '^cpu \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\}' /proc/stat >/dev/null 2>&1; then
extinfo="iowait irq softirq"
fi
NCPU=$(($(grep '^cpu. ' /proc/stat | wc -l) - 1))
PERCENT=$(($NCPU * 100))
graphlimit=$PERCENT
SYSWARNING=$(($PERCENT * 30 / 100))
SYSCRITICAL=$(($PERCENT * 50 / 100))
USRWARNING=$(($PERCENT * 80 / 100))
echo "graph_title CPU usage"
echo "graph_order system user nice idle" $extinfo
echo "graph_args --base 1000 -r --lower-limit 0 --upper-limit $graphlimit"
echo "graph_vlabel %"
echo "graph_scale no"
echo "graph_info This graph shows how CPU time is spent."
echo "graph_category system"
echo "graph_period second"
echo "system.label system"
echo "system.draw AREA"
echo "system.max 5000"
echo "system.min 0"
echo "system.type DERIVE"
echo "system.warning $SYSWARNING"
echo "system.critical $SYSCRITICAL"
echo "system.info CPU time spent by the kernel in system activities"
echo "user.label user"
echo "user.draw STACK"
echo "user.min 0"
echo "user.max 5000"
echo "user.warning $USRWARNING"
echo "user.type DERIVE"
echo "user.info CPU time spent by normal programs and daemons"
echo "nice.label nice"
echo "nice.draw STACK"
echo "nice.min 0"
echo "nice.max 5000"
echo "nice.type DERIVE"
echo "nice.info CPU time spent by nice(1)d programs"
echo "idle.label idle"
echo "idle.draw STACK"
echo "idle.min 0"
echo "idle.max 5000"
echo "idle.type DERIVE"
echo "idle.info Idle CPU time"
if [ ! -z "$extinfo" ]; then
echo "iowait.label iowait"
echo "iowait.draw STACK"
echo "iowait.min 0"
echo "iowait.max 5000"
echo "iowait.type DERIVE"
echo "iowait.info CPU time spent waiting for I/O operations to finish"
echo "irq.label irq"
echo "irq.draw STACK"
echo "irq.min 0"
echo "irq.max 5000"
echo "irq.type DERIVE"
echo "irq.info CPU time spent handling interrupts"
echo "softirq.label softirq"
echo "softirq.draw STACK"
echo "softirq.min 0"
echo "softirq.max 5000"
echo "softirq.type DERIVE"
echo "softirq.info CPU time spent handling "batched" interrupts"
fi
}
fetch_cpu() {
extinfo=""
if grep '^cpu \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\}' /proc/stat >/dev/null 2>&1; then
extinfo="iowait irq softirq"
fi
CINFO=$(grep '^cpu ' /proc/stat | cut -c6-)
echo "user.value" $(echo "$CINFO" | cut -d\ -f1)
echo "nice.value" $(echo "$CINFO" | cut -d\ -f2)
echo "system.value" $(echo "$CINFO" | cut -d\ -f3)
echo "idle.value" $(echo "$CINFO" | cut -d\ -f4)
if [ ! -z "$extinfo" ]; then
echo "iowait.value" $(echo "$CINFO" | cut -d\ -f5)
echo "irq.value" $(echo "$CINFO" | cut -d\ -f6)
echo "softirq.value" $(echo "$CINFO" | cut -d\ -f7)
fi
}