-#!/bin/sh
+# no need for shebang - this file is loaded from charts.d.plugin
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
+
+# sensors docs
+# https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
# if this chart is called X.chart.sh, then all functions and global variables
# must start with X_
-# _update_every is a special variable - it holds the number of seconds
-# between the calls of the _update() function
+# the directory the kernel keeps sensor data
+sensors_sys_dir="${NETDATA_HOST_PREFIX}/sys/devices"
+
+# how deep in the tree to check for sensor data
+sensors_sys_depth=10
+
+# if set to 1, the script will overwrite internal
+# script functions with code generated ones
+# leave to 1, is faster
+sensors_source_update=1
+
+# how frequently to collect sensor data
+# the default is to collect it at every iteration of charts.d
sensors_update_every=
+sensors_priority=90000
+
+declare -A sensors_excluded=()
+
sensors_find_all_files() {
- find $1 -name temp\?_input -o -name temp -o -name in\?_input -o -name fan\?_input 2>/dev/null
+ find $1 -maxdepth $sensors_sys_depth -name \*_input -o -name temp 2>/dev/null
}
sensors_find_all_dirs() {
# - 0 to enable the chart
# - 1 to disable the chart
- [ ! -z "$( sensors_find_all_files /sys/devices/ )" ] && return 0
- return 1
+ [ -z "$( sensors_find_all_files $sensors_sys_dir )" ] && error "no sensors found in '$sensors_sys_dir'." && return 1
+ return 0
+}
+
+sensors_check_files() {
+ # we only need sensors that report a non-zero value
+ # also remove not needed sensors
+
+ local f= v= excluded=
+ for f in $*
+ do
+ [ ! -f "$f" ] && continue
+ for ex in ${sensors_excluded[@]}; do
+ [[ $f =~ .*$ex$ ]] && excluded='1' && break
+ done
+
+ [ "$excluded" != "1" ] && v="$( cat $f )" || v=0
+ v=$(( v + 1 - 1 ))
+ [ $v -ne 0 ] && echo "$f" && continue
+ excluded=
+
+ error "$f gives zero values"
+ done
+}
+
+sensors_check_temp_type() {
+ # valid temp types are 1 to 6
+ # disabled sensors have the value 0
+
+ local f= t= v=
+ for f in $*
+ do
+ t=$( echo $f | sed "s|_input$|_type|g" )
+ [ "$f" = "$t" ] && echo "$f" && continue
+ [ ! -f "$t" ] && echo "$f" && continue
+
+ v="$( cat $t )"
+ v=$(( v + 1 - 1 ))
+ [ $v -ne 0 ] && echo "$f" && continue
+
+ error "$f is disabled"
+ done
}
# _create is called once, to create the charts
sensors_create() {
local path= dir= name= x= file= lfile= labelname= labelid= device= subsystem= id= type= mode= files= multiplier= divisor=
- echo >$TMP_DIR/temp.sh "sensors_update() {"
+ # we create a script with the source of the
+ # sensors_update() function
+ # - the highest speed we can achieve -
+ [ $sensors_source_update -eq 1 ] && echo >$TMP_DIR/sensors.sh "sensors_update() {"
- for path in $( sensors_find_all_dirs /sys/devices/ | sort -u )
+ for path in $( sensors_find_all_dirs $sensors_sys_dir | sort -u )
do
dir=$( basename $path )
device=
id="$( fixid "$device.$subsystem.$dir" )"
- echo >&2 "charts.d: temperature sensors on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
+ debug "path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
- for mode in temperature voltage fans
+ for mode in temperature voltage fans power current energy humidity
do
files=
multiplier=1
divisor=1
+ algorithm="absolute"
+
case $mode in
temperature)
- files="$( find $path -name temp\?_input -o -name temp | sort -u)"
+ files="$( ls $path/temp*_input 2>/dev/null; ls $path/temp 2>/dev/null )"
+ files="$( sensors_check_files $files )"
+ files="$( sensors_check_temp_type $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.temp_${id} '' '${name} Temperature' 'Temperature' 'Celcius Degrees' '' line 6000 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.temp_${id} \$1\""
+ echo "CHART sensors.temp_$id '' '$name Temperature' 'Celsius' 'temperature' 'sensors.temp' line $((sensors_priority + 1)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.temp_$id \$1\""
divisor=1000
;;
voltage)
- files="$( find $path -name in\?_input )"
+ files="$( ls $path/in*_input 2>/dev/null )"
+ files="$( sensors_check_files $files )"
+ [ -z "$files" ] && continue
+ echo "CHART sensors.volt_$id '' '$name Voltage' 'Volts' 'voltage' 'sensors.volt' line $((sensors_priority + 2)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.volt_$id \$1\""
+ divisor=1000
+ ;;
+
+ current)
+ files="$( ls $path/curr*_input 2>/dev/null )"
+ files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.volt_${id} '' '${name} Voltage' 'Voltage' 'Volts' '' line 6001 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.volt_${id} \$1\""
+ echo "CHART sensors.curr_$id '' '$name Current' 'Ampere' 'current' 'sensors.curr' line $((sensors_priority + 3)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.curr_$id \$1\""
divisor=1000
;;
+ power)
+ files="$( ls $path/power*_input 2>/dev/null )"
+ files="$( sensors_check_files $files )"
+ [ -z "$files" ] && continue
+ echo "CHART sensors.power_$id '' '$name Power' 'Watt' 'power' 'sensors.power' line $((sensors_priority + 4)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.power_$id \$1\""
+ divisor=1000000
+ ;;
+
fans)
- files="$( find $path -name fan\?_input )"
+ files="$( ls $path/fan*_input 2>/dev/null )"
+ files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.fan_${id} '' '${name} Fans Speed' 'Fans' 'Rotations Per Minute (RPM)' '' line 6002 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.fan_${id} \$1\""
+ echo "CHART sensors.fan_$id '' '$name Fans Speed' 'Rotations / Minute' 'fans' 'sensors.fans' line $((sensors_priority + 5)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.fan_$id \$1\""
+ ;;
+
+ energy)
+ files="$( ls $path/energy*_input 2>/dev/null )"
+ files="$( sensors_check_files $files )"
+ [ -z "$files" ] && continue
+ echo "CHART sensors.energy_$id '' '$name Energy' 'Joule' 'energy' 'sensors.energy' areastack $((sensors_priority + 6)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.energy_$id \$1\""
+ algorithm="incremental"
+ divisor=1000000
+ ;;
+
+ humidity)
+ files="$( ls $path/humidity*_input 2>/dev/null )"
+ files="$( sensors_check_files $files )"
+ [ -z "$files" ] && continue
+ echo "CHART sensors.humidity_$id '' '$name Humidity' 'Percent' 'humidity' 'sensors.humidity' line $((sensors_priority + 7)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.humidity_$id \$1\""
+ divisor=1000
;;
*)
file="$x"
fid="$( fixid "$file" )"
lfile="$( basename $file | sed "s|_input$|_label|g" )"
- labelname="$( basename $file )"
+ labelname="$( basename $file | sed "s|_input$||g" )"
if [ ! "$path/$lfile" = "$file" -a -f "$path/$lfile" ]
then
labelname="$( cat "$path/$lfile" )"
fi
- echo "DIMENSION $fid '$labelname' absolute $multiplier $divisor"
- echo >>$TMP_DIR/temp.sh "printf \"SET $fid = \"; cat $file "
+ echo "DIMENSION $fid '$labelname' $algorithm $multiplier $divisor"
+ echo >>$TMP_DIR/sensors.sh "echo \"SET $fid = \"\$(< $file )"
done
- echo >>$TMP_DIR/temp.sh "echo END"
+ echo >>$TMP_DIR/sensors.sh "echo END"
done
done
- echo >>$TMP_DIR/temp.sh "}"
- . $TMP_DIR/temp.sh
+ [ $sensors_source_update -eq 1 ] && echo >>$TMP_DIR/sensors.sh "}"
+
+ # ok, load the function sensors_update() we created
+ [ $sensors_source_update -eq 1 ] && . $TMP_DIR/sensors.sh
return 0
}
# for each dimension
# remember: KEEP IT SIMPLE AND SHORT
-# . $TMP_DIR/temp.sh $1
+ [ $sensors_source_update -eq 0 ] && . $TMP_DIR/sensors.sh $1
return 0
}