#!/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_
-sensors_sys_dir="/sys/devices"
+# 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
-# _update_every is a special variable - it holds the number of seconds
-# between the calls of the _update() function
+# 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 $sensors_sys_depth -name \*_input -o -name temp 2>/dev/null
}
# - 0 to enable the chart
# - 1 to disable the chart
- [ ! -z "$( sensors_find_all_files $sensors_sys_dir )" ] && return 0
- return 1
+ [ -z "$( 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
- echo >&2 "checking $f"
+ [ ! -f "$f" ] && continue
+
v="$( cat $f )"
v=$(( v + 1 - 1 ))
- [ $v -ne 0 ] && echo "$f"
+ [ $v -ne 0 ] && echo "$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: $f is disabled"
done
}
sensors_create() {
local path= dir= name= x= file= lfile= labelname= labelid= device= subsystem= id= type= mode= files= multiplier= divisor=
- echo >$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 $sensors_sys_dir | sort -u )
do
id="$( fixid "$device.$subsystem.$dir" )"
- echo >&2 "charts.d: sensors on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
+ echo >&2 "charts.d: sensors: on path='$path', dir='$dir', device='$device', subsystem='$subsystem', id='$id', name='$name'"
for mode in temperature voltage fans power current energy humidity
do
temperature)
files="$( 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' 'Celcius' '${device}' '' 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_$id \$1\""
divisor=1000
;;
files="$( ls $path/in*_input 2>/dev/null )"
files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.volt_${id} '' '${name} Voltage' 'Volts' '${device}' '' line 6001 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.volt_${id} \$1\""
+ echo "CHART sensors.volt_$id '' '$name Voltage' 'Volts' 'voltage' 'sensors.volt' line $((sensors_priority + 2)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.volt_$id \$1\""
divisor=1000
;;
files="$( ls $path/curr*_input 2>/dev/null )"
files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.curr_${id} '' '${name} Current' 'Ampere' '${device}' '' line 6002 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.curr_${id} \$1\""
+ echo "CHART sensors.curr_$id '' '$name Current' 'Ampere' 'current' 'sensors.curr' line $((sensors_priority + 3)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.curr_$id \$1\""
divisor=1000
;;
files="$( ls $path/power*_input 2>/dev/null )"
files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.power_${id} '' '${name} Power' 'Watt' '${device}' '' line 6003 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.power_${id} \$1\""
+ echo "CHART sensors.power_$id '' '$name Power' 'Watt' 'power' 'sensors.power' line $((sensors_priority + 4)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.power_$id \$1\""
divisor=1000000
;;
files="$( 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' '${device}' '' line 6004 $sensors_update_every"
- echo >>$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_$id \$1\""
;;
- emergy)
+ energy)
files="$( ls $path/energy*_input 2>/dev/null )"
files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.energy_${id} '' '${name} Energy' 'Joule' '${device}' '' areastack 6005 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.energy_${id} \$1\""
+ echo "CHART sensors.energy_$id '' '$name Energy' 'Joule' 'energy' 'sensors.energy' areastack $((sensors_priority + 6)) $sensors_update_every"
+ echo >>$TMP_DIR/sensors.sh "echo \"BEGIN sensors.energy_$id \$1\""
algorithm="incremental"
divisor=1000000
;;
files="$( ls $path/humidity*_input 2>/dev/null )"
files="$( sensors_check_files $files )"
[ -z "$files" ] && continue
- echo "CHART sensors.humidity_${id} '' '${name} Humidity' 'Percent' '${device}' '' line 6006 $sensors_update_every"
- echo >>$TMP_DIR/temp.sh "echo \"BEGIN sensors.humidity_${id} \$1\""
+ echo "CHART sensors.humidity_$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
;;
fi
echo "DIMENSION $fid '$labelname' $algorithm $multiplier $divisor"
- echo >>$TMP_DIR/temp.sh "printf \"SET $fid = \"; cat $file "
+ echo >>$TMP_DIR/sensors.sh "printf \"SET $fid = \"; cat $file "
done
- echo >>$TMP_DIR/temp.sh "echo END"
+ echo >>$TMP_DIR/sensors.sh "echo END"
done
done
- echo >>$TMP_DIR/temp.sh "}"
- cat >&2 $TMP_DIR/temp.sh
- . $TMP_DIR/temp.sh
+ [ $sensors_source_update -eq 1 ] && echo >>$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
}
# 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
}