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Commit 88521145 authored by Hahn Axel (hahn)'s avatar Hahn Axel (hahn)
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add cli param -p

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check_cpu
+ 33
− 19
View file @ 88521145
......@@ -16,13 +16,16 @@
# 2021-10-28 v1.5 <axel.hahn@iml.unibe.ch> Use 2nd update of top
# 2021-12-10 v1.6 <axel.hahn@iml.unibe.ch> show processes with status D to find cpu waits
# 2022-03-09 v1.7 <axel.hahn@iml.unibe.ch> show most cpu intensive processes
# 2022-03-10 v1.8 <axel.hahn@iml.unibe.ch> add cli param -p; update help
# ======================================================================
. `dirname $0`/inc_pluginfunctions
tmpfile=/tmp/check_cpu_$$
. $(dirname $0)/inc_pluginfunctions
self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
self_APPVERSION=1.8
iMinCpuUsageToShowProcesses=30
tmpfile=/tmp/check_cpu_$$
# ----------------------------------------------------------------------
# functions
......@@ -32,17 +35,18 @@ function showHelp(){
cat <<EOF
______________________________________________________________________
CHECK_CPU check cpu usage and cpu wait v1.7
$self_APPNAME
v$self_APPVERSION
(c) Institute for Medical Education - Univerity of Bern
Licence: GNU GPL 3
______________________________________________________________________
check cpu usage and cpu wait
Cpu infos are taken from output of top command.
SYNTAX:
`basename $0` [-w WARN_LIMIT] [-c CRITICAL_LIMIT] [-i CRITICAL_IO_WAIT]
$(basename $0) [-w WARN_LIMIT] [-c CRITICAL_LIMIT] [-i CRITICAL_IO_WAIT] [-p PROCESS_LIMIT]
OPTIONS:
......@@ -51,6 +55,9 @@ OPTIONS:
-i VALUE io wait critical level (default: 50)
-p VALUE show process info with highest cpu consumption if
usage is > NN %; default: 50
-h or --help show this help.
PARAMETERS:
......@@ -58,7 +65,7 @@ PARAMETERS:
None.
EXAMPLE:
`basename $0` -w 60 -c 80 -i 40
$(basename $0) -w 60 -c 80 -i 40
EOF
}
......@@ -79,11 +86,15 @@ case "$1" in
*)
esac
# ----------------------------------------------------------------------
# set default / override from command line params
typeset -i iWarnLimit=` ph.getValueWithParam 75 w "$@"`
typeset -i iCriticalLimit=` ph.getValueWithParam 90 c "$@"`
typeset -i iCriticalWait=` ph.getValueWithParam 50 i "$@"`
typeset -i iWarnLimit=$( ph.getValueWithParam 75 w "$@")
typeset -i iCriticalLimit=$( ph.getValueWithParam 90 c "$@")
typeset -i iCriticalWait=$( ph.getValueWithParam 50 i "$@")
typeset -i iMinCpuUsageToShowProcesses=$( ph.getValueWithParam 50 p "$@")
# ----------------------------------------------------------------------
# get data
# get cpu status i.e.
# %Cpu(s): 33.3 us, 9.5 sy, 0.0 ni, 57.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
......@@ -99,15 +110,15 @@ typeset -i iCriticalWait=` ph.getValueWithParam 50 i "$@"`
# FIX read cpu from 2nd output of top
top -b -n 2 -d 0.1 | grep -i "^\%Cpu" | tail -1 >$tmpfile
cpuUser=` awk '{ print $2 }' $tmpfile`
cpuSystem=` awk '{ print $4 }' $tmpfile`
cpuNice=` awk '{ print $6 }' $tmpfile`
cpuIdle=` awk '{ print $8 }' $tmpfile`
cpuWait=` awk '{ print $10 }' $tmpfile`
cpuHi=` awk '{ print $12 }' $tmpfile`
cpuSi=` awk '{ print $14 }' $tmpfile`
cpuSt=` awk '{ print $16 }' $tmpfile`
cpuNonIdle=`echo 100-$cpuIdle | bc`
cpuUser=$( awk '{ print $2 }' $tmpfile)
cpuSystem=$( awk '{ print $4 }' $tmpfile)
cpuNice=$( awk '{ print $6 }' $tmpfile)
cpuIdle=$( awk '{ print $8 }' $tmpfile)
cpuWait=$( awk '{ print $10 }' $tmpfile)
cpuHi=$( awk '{ print $12 }' $tmpfile)
cpuSi=$( awk '{ print $14 }' $tmpfile)
cpuSt=$( awk '{ print $16 }' $tmpfile)
cpuNonIdle=$(echo 100-$cpuIdle | bc)
rm -f $tmpfile
......@@ -128,6 +139,9 @@ else
fi
fi
# ----------------------------------------------------------------------
# output
# --- status output
ph.status "CPU-USAGE [%] ${cpuNonIdle} ... user: ${cpuUser} - system: ${cpuSystem} - idle: ${cpuIdle} - wait: ${cpuWait}"
......
check_memory
+ 74
− 31
View file @ 88521145
......@@ -23,12 +23,14 @@
# 2020-07-16 v1.4 <axel.hahn@iml.unibe.ch> FIX: add unit MB in the performance data (see #3939)
# 2021-03-24 v1.5 <axel.hahn@iml.unibe.ch> increase Swap critical limit 5 --> 50
# 2022-03-09 v1.6 <axel.hahn@iml.unibe.ch> show most ram intensive processes
# 2022-03-10 v1.7 <axel.hahn@iml.unibe.ch> add cli param -p; update help
# ======================================================================
. `dirname $0`/inc_pluginfunctions
. $(dirname $0)/inc_pluginfunctions
iMinRamUsageToShowProcesses=30
self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
self_APPVERSION=1.7
# ----------------------------------------------------------------------
# FUNCTIONS
......@@ -38,58 +40,96 @@ iMinRamUsageToShowProcesses=30
# /proc/meminfo conatains values in kB - it is divided by 1024
# --> return values are MB
function getMemvalue(){
echo `grep "^$1:" /proc/meminfo | awk '{ print $2 }' ` / 1024 | bc
echo $( grep "^$1:" /proc/meminfo | awk '{ print $2 }' ) / 1024 | bc
}
function showHelp(){
cat <<EOF
______________________________________________________________________
$self_APPNAME
v$self_APPVERSION
(c) Institute for Medical Education - Univerity of Bern
Licence: GNU GPL 3
______________________________________________________________________
Check memory usage incl. free, used and total memory.
On higher memory usage the process table with top 5 top consumers will
be shown.
SYNTAX:
$(basename $0) [-w WARN_LIMIT] [-c CRITICAL_LIMIT] [-s SWAP_LIMIT] [-p PROCESS_LIMIT] [-h]
OPTIONS:
-w VALUE Warning level for RAM usage [%]; default: 75
-c VALUE Critical level for RAM usage; default: 90
-s VALUE Critical level for SWAP usage; default: 50
-p VALUE show process info with highest memory consumption if
usage is > NN %; default: 50
-h or --help show this help.
PARAMETERS:
none
EXAMPLE:
$(basename $0) -w 90 -c 95 -p 70
EOF
}
# ----------------------------------------------------------------------
# MAIN
# ----------------------------------------------------------------------
case "$1" in
"--help"|"-h")
showHelp
exit 0
;;
*)
esac
# --- check required tools
ph.require bc
# --- check param -h
if [ "$1" = "-h" ]; then
echo "
usage: $0 [ -w value -c value -h ]
-w Warning level for RAM usage [%]; default: 75
-c Critical level for RAM usage; default: 90
-s Critical level for SWAP usage; default: 50
-h this help
"
exit 0
fi
# ----------------------------------------------------------------------
# set default / override from command line params
typeset -i iWarnLimit=` ph.getValueWithParam 75 w "$@"`
typeset -i iCriticalLimit=` ph.getValueWithParam 90 c "$@"`
typeset -i iCriticalSwap=` ph.getValueWithParam 50 s "$@"`
typeset -i iWarnLimit=$( ph.getValueWithParam 75 w "$@")
typeset -i iCriticalLimit=$( ph.getValueWithParam 90 c "$@")
typeset -i iCriticalSwap=$( ph.getValueWithParam 50 s "$@")
typeset -i iMinRamUsageToShowProcesses=$( ph.getValueWithParam 50 p "$@")
# ----------------------------------------------------------------------
# read values
# --- RAM
typeset -i ramTotal=` getMemvalue MemTotal`
typeset -i ramAvail=` getMemvalue MemAvailable`
typeset -i ramTotal=$( getMemvalue MemTotal)
typeset -i ramAvail=$( getMemvalue MemAvailable)
typeset -i ramUsed=$ramTotal-$ramAvail
typeset -i ramFree=` getMemvalue MemFree`
typeset -i ramBuffers=` getMemvalue Buffers`
typeset -i ramCached=` getMemvalue Cached`
typeset -i ramSReclaim=` getMemvalue SReclaimable`
typeset -i ramFree=$( getMemvalue MemFree)
typeset -i ramBuffers=$( getMemvalue Buffers)
typeset -i ramCached=$( getMemvalue Cached)
typeset -i ramSReclaim=$( getMemvalue SReclaimable)
typeset -i ramUsage=`echo "($ramUsed) *100 / $ramTotal " | bc`
typeset -i ramUsage=$(echo "($ramUsed) *100 / $ramTotal " | bc)
# --- Swap
typeset -i swapTotal=` getMemvalue SwapTotal`
typeset -i swapFree=` getMemvalue SwapFree`
typeset -i swapCached=` getMemvalue SwapCached`
typeset -i swapTotal=$( getMemvalue SwapTotal)
typeset -i swapFree=$( getMemvalue SwapFree)
typeset -i swapCached=$( getMemvalue SwapCached)
typeset -i swapUsage=0
if [ $swapTotal -gt 0 ]; then
swapUsage=`echo "($swapCached)*100 / $swapTotal " | bc`
swapUsage=$(echo "($swapCached)*100 / $swapTotal " | bc)
fi
# --- set status
# ----------------------------------------------------------------------
# set status
ph.setStatusByLimit $ramUsage $iWarnLimit $iCriticalLimit
# if [ $swapCached -gt 0 ]; then
if [ $swapUsage -ge $iCriticalSwap ]; then
......@@ -102,6 +142,9 @@ else
ph.status "RAM usage $ramUsage % of $ramTotal MB (machine has no Swap)"
fi
# ----------------------------------------------------------------------
# output
# --- show details
echo
cat /proc/meminfo | egrep "^(Mem|Cache|Buffers|Swap|Slab|SReclaimable)"
......
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