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Merge pull request #162 from jonasmalacofilho/optimize-nvidia-temps

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Switch to nvidia-smi to reduce CPU load when fetching GPU temperatures
This commit is contained in:
Vasilii
2020-02-26 07:43:40 +03:00
committed by GitHub
parent 96fddd790c 4833a2e190
commit ae99cc74c4
1 changed files with 8 additions and 21 deletions
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29
freon@UshakovVasilii_Github.yahoo.com/nvidiaUtil.js
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@@ -9,14 +9,14 @@ var NvidiaUtil = class extends CommandLineUtil.CommandLineUtil {
constructor() {
super();
let path = GLib.find_program_in_path('nvidia-settings');
this._argv = path ? [path, '-q', 'gpucoretemp', '-t'] : null;
let path = GLib.find_program_in_path('nvidia-smi');
this._argv = path ? [path, '--query-gpu=temperature.gpu', '--format=csv,noheader'] : null;
this._labels = [];
if(this._argv){
// [0] ushakov-pc:0[gpu:0] (GeForce GTX 770)
let [exit, pid, stdinFd, stdoutFd, stderrFd] =
GLib.spawn_async_with_pipes(null, /* cwd */
[path, '-q', 'gpus'], /* args */
[path, '--query-gpu=name', '--format=csv,noheader'], /* args */
null, /* env */
GLib.SpawnFlags.DO_NOT_REAP_CHILD,
null /* child_setup */);
@@ -31,10 +31,7 @@ var NvidiaUtil = class extends CommandLineUtil.CommandLineUtil {
let [line, size] = [null, 0];
while (([line, size] = outReader.read_line(null)) != null && line != null) {
let match = /.*\[gpu:[\d]\].*\(([\w\d\ ]+)\).*/.exec(ByteArray.toString(line));
if(match){
this._labels.push(match[1]);
}
this._labels.push(ByteArray.toString(line));
}
stdout.close(null);
@@ -63,20 +60,10 @@ var NvidiaUtil = class extends CommandLineUtil.CommandLineUtil {
let gpus = [];
if(this._labels.length > 0 && this._labels.length == temps.length - 1){
// usually we should skip first line (most popular case)
for(let i = 0; i < this._labels.length; i++){
gpus.push({ label: this._labels[i], temp: temps[i + 1] })
}
} else if(temps.length == 1 || temps.length == 2){
// cannot parse GPU label, usually temp duplicated
gpus.push({ label: 'NVIDIA', temp: temps[0] })
} else {
// I think it is not possible
for(let i = 0; i < temps.length; i++){
let label = 'NVIDIA-' + (i + 1);
gpus.push({ label: label, temp: temps[i] })
}
if(this._labels.length == temps.length){
for(let i = 0; i < this._labels.length; i++){
gpus.push({ label: this._labels[i], temp: temps[i] })
}
}
return gpus;