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Add GTT memory monitoring for AMD GPUs #515

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Add GTT memory monitoring for AMD GPUs #515

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13 changes: 13 additions & 0 deletions sensors.js
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Original file line number Diff line number Diff line change
Expand Up @@ -665,6 +665,19 @@ export const Sensors = GObject.registerClass({
}).catch(err => {
// nothing to do, keep old value displayed
});
// GTT (Graphics Translation Table) memory - system RAM accessible by the GPU.
// Particularly useful for AMD APUs (e.g. Strix Halo, Rembrandt, Phoenix)
// where GTT memory can be significantly larger than dedicated VRAM.
new FileModule.File('/sys/class/drm/card'+i+'/device/mem_info_gtt_used').read().then(value => {
this._returnGpuValue(callback, 'GTT Used', parseInt(value) / unit, typeName, 'memory');
}).catch(err => {
// not all AMD GPUs expose GTT info, silently ignore
});
new FileModule.File('/sys/class/drm/card'+i+'/device/mem_info_gtt_total').read().then(value => {
this._returnGpuValue(callback, 'GTT Total', parseInt(value) / unit, typeName, 'memory');
}).catch(err => {
// not all AMD GPUs expose GTT info, silently ignore
});
} else {
// for other vendors only show basic card info
let vendorName = null;
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