diff options
Diffstat (limited to 'collectors/charts.d.plugin/sensors/sensors.chart.sh')
| -rw-r--r-- | collectors/charts.d.plugin/sensors/sensors.chart.sh | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/collectors/charts.d.plugin/sensors/sensors.chart.sh b/collectors/charts.d.plugin/sensors/sensors.chart.sh new file mode 100644 index 000000000..54368f1e0 --- /dev/null +++ b/collectors/charts.d.plugin/sensors/sensors.chart.sh @@ -0,0 +1,255 @@ +# shellcheck shell=bash +# no need for shebang - this file is loaded from charts.d.plugin +# SPDX-License-Identifier: GPL-3.0-or-later + +# netdata +# real-time performance and health monitoring, done right! +# (C) 2016 Costa Tsaousis <costa@tsaousis.gr> +# + +# 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 + +declare -A sensors_excluded=() + +sensors_find_all_files() { + find "$1" -maxdepth $sensors_sys_depth -name \*_input -o -name temp 2>/dev/null +} + +sensors_find_all_dirs() { + # shellcheck disable=SC2162 + 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" )" ] && 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 + # shellcheck disable=SC2001 + 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 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" )" + + debug "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" = "$file" ] && [ -f "$path/$lfile" ] + then + labelname="$( cat "$path/$lfile" )" + fi + + echo "DIMENSION $fid '$labelname' $algorithm $multiplier $divisor" + echo >>"$TMP_DIR/sensors.sh" "echo \"SET $fid = \"\$(< $file )" + done + + echo >>"$TMP_DIR/sensors.sh" "echo END" + done + done + + [ $sensors_source_update -eq 1 ] && echo >>"$TMP_DIR/sensors.sh" "}" + + # ok, load the function sensors_update() we created + # shellcheck source=/dev/null + [ $sensors_source_update -eq 1 ] && . "$TMP_DIR/sensors.sh" + + return 0 +} + +# _update is called continuously, 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 + + # shellcheck source=/dev/null + [ $sensors_source_update -eq 0 ] && . "$TMP_DIR/sensors.sh" "$1" + + return 0 +} + |