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#!/bin/sh
# 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_
# 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
sensors_find_all_files() {
find $1 -maxdepth $sensors_sys_depth -name \*_input -o -name temp 2>/dev/null
}
sensors_find_all_dirs() {
sensors_find_all_files $1 | while read
do
dirname $REPLY
done | sort -u
}
# _check is called once, to find out if this chart should be enabled or not
sensors_check() {
# this should return:
# - 0 to enable the chart
# - 1 to disable the chart
[ -z "$( sensors_find_all_files $sensors_sys_dir )" ] && echo >&2 "$PROGRAM_NAME: sensors: no sensors found in '$sensors_sys_dir'." && return 1
return 0
}
sensors_check_files() {
# we only need sensors that report a non-zero value
local f= v=
for f in $*
do
[ ! -f "$f" ] && continue
v="$( cat $f )"
v=$(( v + 1 - 1 ))
[ $v -ne 0 ] && echo "$f" && continue
echo >&2 "$PROGRAM_NAME: sensors: $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
echo >&2 "$PROGRAM_NAME: sensors: $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=
# 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 $sensors_sys_dir | sort -u )
do
dir=$( basename $path )
device=
subsystem=
id=
type=
name=
[ -h $path/device ] && device=$( readlink -f $path/device )
[ ! -z "$device" ] && device=$( basename $device )
[ -z "$device" ] && device="$dir"
[ -h $path/subsystem ] && subsystem=$( readlink -f $path/subsystem )
[ ! -z "$subsystem" ] && subsystem=$( basename $subsystem )
[ -z "$subsystem" ] && subsystem="$dir"
[ -f $path/name ] && name=$( cat $path/name )
[ -z "$name" ] && name="$dir"
[ -f $path/type ] && type=$( cat $path/type )
[ -z "$type" ] && type="$dir"
id="$( fixid "$device.$subsystem.$dir" )"
echo >&2 "charts.d: sensors: on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
for mode in temperature voltage fans power current energy humidity
do
files=
multiplier=1
divisor=1
algorithm="absolute"
case $mode in
temperature)
files="$( 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' 'Celsius' 'temperature' 'sensors.temp' line $((sensors_priority + 1)) $sensors_update_every"
echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.temp_$id \$1\""
divisor=1000
;;
voltage)
files="$( 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.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_$id \$1\""
divisor=1000000
;;
fans)
files="$( ls $path/fan*_input 2>/dev/null )"
files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
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
;;
*)
continue
;;
esac
for x in $files
do
file="$x"
fid="$( fixid "$file" )"
lfile="$( basename $file | sed "s|_input$|_label|g" )"
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' $algorithm $multiplier $divisor"
echo >>$TMP_DIR/sensors.sh "printf \"SET $fid = \"; cat $file "
done
echo >>$TMP_DIR/sensors.sh "echo END"
done
done
[ $sensors_source_update -eq 1 ] && echo >>$TMP_DIR/sensors.sh "}"
# cat >&2 $TMP_DIR/sensors.sh
# ok, load the function sensors_update() we created
[ $sensors_source_update -eq 1 ] && . $TMP_DIR/sensors.sh
return 0
}
# _update is called continiously, to collect the values
sensors_update() {
# the first argument to this function is the microseconds since last update
# pass this parameter to the BEGIN statement (see bellow).
# do all the work to collect / calculate the values
# for each dimension
# remember: KEEP IT SIMPLE AND SHORT
[ $sensors_source_update -eq 0 ] && . $TMP_DIR/sensors.sh $1
return 0
}
|
