KDE KSysGuard NVIDIA GPU temperature sensor

nvidia-gpu-sensor.pl

#!/usr/bin/perl -w

# act as a KSysGuard sensor
# provides NVIDIA GPU temperature via `nvidia-settings`

# Usage
# 1. save this file, make sure it has a exec permission
# 2. in KSysGuard's menu, open `File` -> `Monitor Remote Machine`
# 3.1 in new dialog, type `Host` whatever you want
# 3.2 set `Connection Type` to `Custom command`
# 3.3 set `Command` like `path/to/this-sensor.pl`
# 4. click `OK`, now you can find new sensor named `gpu_temp`
#    which is provides GPU temperature

# See Also
# https://techbase.kde.org/Development/Tutorials/Sensors

$|=1;

print "ksysguardd 1.2.0\n";
print "ksysguardd> ";

while(<>){
    if(/monitors/){
        print "gpu_temp\tinteger\n";
    }
    if(/gpu_temp/){
        if(/\?/){
            print "GPU Temp\t0\t0\n";
        }else{
            print `nvidia-settings -q gpucoretemp | grep -m1 'GPUCoreTemp' | awk -F" " '{gsub("\\\\.","");print \$4}'`;
        }
    }
    print "ksysguardd> ";
}