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show-only-CUDA_VISIBLE_DEVICES #259

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152251e
gpu counter filter
yuri-carrara Nov 28, 2025
38836ee
Merge pull request #1 from yuri-carrara/show-only-CUDA_VISIBLE_DEVICES
yuri-carrara Nov 28, 2025
3a2c346
Enhance GPU visibility and error handling
yuri-carrara Dec 3, 2025
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53 changes: 35 additions & 18 deletions general/gpu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@ class CGPUInfo:
gpusUtilization = []
gpusVRAM = []
gpusTemperature = []
visibleDeviceIndices = [] # Store indices of visible devices

def __init__(self):
if IS_JETSON:
Expand Down Expand Up @@ -93,7 +94,19 @@ def __init__(self):

logger.info(f"GPU/s:")

for deviceIndex in range(self.cudaDevicesFound):
# Determine visible devices
if cuda_visible_devices := os.getenv("CUDA_VISIBLE_DEVICES", None):
logger.info(f"CUDA_VISIBLE_DEVICES: {cuda_visible_devices}")
visible_list = [int(x) for x in cuda_visible_devices.split(',') if x.strip() != ""]
else:
# If not set, all devices are visible
visible_list = list(range(self.cudaDevicesFound))

for deviceIndex in visible_list:
if deviceIndex >= self.cudaDevicesFound:
logger.warning(f"Device index {deviceIndex} in CUDA_VISIBLE_DEVICES exceeds available device count {self.cudaDevicesFound}")
continue

deviceHandle = self.deviceGetHandleByIndex(deviceIndex)

gpuName = self.deviceGetName(deviceHandle, deviceIndex)
Expand All @@ -105,6 +118,9 @@ def __init__(self):
'name': gpuName,
})

# Store the physical device index for later use
self.visibleDeviceIndices.append(deviceIndex)

# Same index as gpus, with default values
self.gpusUtilization.append(True)
self.gpusVRAM.append(True)
Expand Down Expand Up @@ -150,7 +166,8 @@ def getStatus(self):
gpuType = self.cudaDevice

if self.anygpuLoaded and self.cuda and self.cudaAvailable:
for deviceIndex in range(self.cudaDevicesFound):
# Iterate over visible devices using their stored indices
for listIndex, deviceIndex in enumerate(self.visibleDeviceIndices):
deviceHandle = self.deviceGetHandleByIndex(deviceIndex)

gpuUtilization = -1
Expand All @@ -160,34 +177,34 @@ def getStatus(self):
gpuTemperature = -1

# GPU Utilization
if self.switchGPU and self.gpusUtilization[deviceIndex]:
try:
try:
if self.switchGPU and self.gpusUtilization[listIndex]:
gpuUtilization = self.deviceGetUtilizationRates(deviceHandle)
except Exception as e:
logger.error('Could not get GPU utilization. ' + str(e))
logger.error('Monitor of GPU is turning off.')
self.switchGPU = False
except Exception as e:
logger.error('Could not get GPU utilization. ' + str(e))
logger.error('Monitor of GPU is turning off.')
self.switchGPU = False

if self.switchVRAM and self.gpusVRAM[deviceIndex]:
try:
try:
if self.switchVRAM and self.gpusVRAM[listIndex]:
memory = self.deviceGetMemoryInfo(deviceHandle)
vramUsed = memory['used']
vramTotal = memory['total']

# Check if vramTotal is not zero or None
if vramTotal and vramTotal != 0:
vramPercent = vramUsed / vramTotal * 100
except Exception as e:
logger.error('Could not get GPU memory info. ' + str(e))
self.switchVRAM = False
except Exception as e:
logger.error('Could not get GPU memory info. ' + str(e))
self.switchVRAM = False

# Temperature
if self.switchTemperature and self.gpusTemperature[deviceIndex]:
try:
try:
if self.switchTemperature and self.gpusTemperature[listIndex]:
gpuTemperature = self.deviceGetTemperature(deviceHandle)
except Exception as e:
logger.error('Could not get GPU temperature. Turning off this feature. ' + str(e))
self.switchTemperature = False
except Exception as e:
logger.error('Could not get GPU temperature. Turning off this feature. ' + str(e))
self.switchTemperature = False

gpus.append({
'gpu_utilization': gpuUtilization,
Expand Down