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authorFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
commit9ce153ce7167c11adba8ac225edc7a707e97c6eb (patch)
tree9f6e849cce2dcc7e5b4e9e6252c843dc2d0787a2 /charts.d/sensors.chart.sh
downloadnetdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.tar.xz
netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.zip
Imported Upstream version 1.0.0upstream/1.0.0
Diffstat (limited to 'charts.d/sensors.chart.sh')
-rwxr-xr-xcharts.d/sensors.chart.sh238
1 files changed, 238 insertions, 0 deletions
diff --git a/charts.d/sensors.chart.sh b/charts.d/sensors.chart.sh
new file mode 100755
index 000000000..d14ddf0de
--- /dev/null
+++ b/charts.d/sensors.chart.sh
@@ -0,0 +1,238 @@
+#!/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' 'Celcius' '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
+}
+