def pub_status(self):
gpu_stat = GPUStatus()
stat = DiagnosticStatus()
try:
card_out = pr2_computer_monitor.get_gpu_status()
gpu_stat = pr2_computer_monitor.parse_smi_output(card_out)
stat = pr2_computer_monitor.gpu_status_to_diag(gpu_stat)
except Exception, e:
import traceback
rospy.logerr('Unable to process nVidia GPU data')
rospy.logerr(traceback.format_exc())
def pub_status(self):
gpu_stat = GPUStatus()
stat = DiagnosticStatus()
try:
card_out = computer_monitor.get_gpu_status(xml=True)
gpu_stat = computer_monitor.parse_smi_output(card_out)
stat = computer_monitor.gpu_status_to_diag(gpu_stat, self.hostname)
except Exception, e:
import traceback
rospy.logerr('Unable to process nVidia GPU data')
rospy.logerr(traceback.format_exc())
stat.name = '%s GPU Status' % self.hostname
stat.message = 'Could not get GPU information'
stat.level = DiagnosticStatus.ERROR
def parse_smi_output(output):
gpu_stat = GPUStatus()
gpu_stat.product_name = _find_val(output, 'Product Name')
gpu_stat.pci_device_id = _find_val(output, 'PCI Device/Vendor ID')
gpu_stat.pci_location = _find_val(output, 'PCI Location ID')
gpu_stat.display = _find_val(output, 'Display')
gpu_stat.driver_version = _find_val(output, 'Driver Version')
temp_str = _find_val(output, 'GPU Current Temp')
if temp_str and not "N/A" in temp_str:
temp, units = temp_str.split()
gpu_stat.temperature = int(temp)
fan_str = _find_val(output, 'Fan Speed')
if fan_str and not "N/A" in fan_str:
# Fan speed in RPM
fan_spd = float(fan_str.strip('\%').strip()) * 0.01 * MAX_FAN_RPM
# Convert fan speed to Hz
gpu_stat.fan_speed = _rpm_to_rads(fan_spd)
else:
gpu_stat.fan_speed = 0
usage_str = _find_val(output, 'GPU')
if usage_str and not "N/A" in usage_str:
usage = usage_str.strip('\%').strip()
gpu_stat.gpu_usage = int(usage)
else:
gpu_stat.gpu_usage = -1
memUsed = 0
mem_str = _find_val(output, 'Used')
if mem_str and not "N/A" in mem_str:
mem = mem_str.strip(' MiB').strip()
memUsed = int(mem)
memTotal = 0
mem_str = _find_val(output, 'Total')
if mem_str and not "N/A" in mem_str:
mem = mem_str.strip(' MiB').strip()
memTotal = int(mem)
gpu_stat.memory_usage = int(100.0 * memUsed / memTotal)
return gpu_stat
def parse_smi_output(output):
gpu_stat = GPUStatus()
gpu_stat.product_name = _find_val(output, 'Product Name')
gpu_stat.pci_device_id = _find_val(output, 'PCI Device/Vendor ID')
gpu_stat.pci_location = _find_val(output, 'PCI Location ID')
gpu_stat.display = _find_val(output, 'Display')
gpu_stat.driver_version = _find_val(output, 'Driver Version')
temp_str = _find_val(output, 'Temperature')
if temp_str:
temp, units = temp_str.split()
gpu_stat.temperature = int(temp)
fan_str = _find_val(output, 'Fan Speed')
if fan_str:
# Fan speed in RPM
fan_spd = float(fan_str.strip('\%').strip()) * 0.01 * MAX_FAN_RPM
# Convert fan speed to Hz
gpu_stat.fan_speed = _rpm_to_rads(fan_spd)
usage_str = _find_val(output, 'GPU')
if usage_str:
usage = usage_str.strip('\%').strip()
gpu_stat.gpu_usage = int(usage)
mem_str = _find_val(output, 'Memory')
if mem_str:
mem = mem_str.strip('\%').strip()
gpu_stat.memory_usage = int(mem)
return gpu_stat
def parse_smi_xml_output(output):
gpu_stat = GPUStatus()
parser = etree.XMLParser(remove_blank_text=True)
tree = etree.parse(StringIO(output), parser)
root = tree.getroot()
gpu = root.find('gpu')
gpu_stat.driver_version = root.findtext('driver_version')
gpu_stat.display = "N/A"
gpu_stat.product_name = gpu.findtext('product_name')
gpu_stat.pci_device_id = gpu.findtext('pci/pci_device_id')
gpu_stat.pci_location = gpu.findtext('pci/pci_bus_id')
temp_str = gpu.findtext('temperature/gpu_temp')
if temp_str:
temp, units = temp_str.split()
gpu_stat.temperature = int(temp)
fan_str = gpu.findtext('fan_speed')
if fan_str:
# Fan speed in RPM
fan_spd = float(fan_str.strip('\%').strip()) * 0.01 * MAX_FAN_RPM
# Convert fan speed to Hz
gpu_stat.fan_speed = _rpm_to_rads(fan_spd)
usage_str = gpu.findtext('utilization/gpu_util')
if usage_str:
if usage_str != 'N/A':
usage = usage_str.strip('\%').strip()
gpu_stat.gpu_usage = int(usage)
else:
gpu_stat.gpu_usage = 0
mem_str = gpu.findtext('utilization/memory_util')
if mem_str:
if mem_str != 'N/A':
mem = mem_str.strip('\%').strip()
gpu_stat.memory_usage = int(mem)
else:
total_mem = gpu.findtext('memory_usage/total')
used_mem = gpu.findtext('memory_usage/used')
if total_mem != 'N/A' and used_mem != 'N/A':
total, units = total_mem.split()
used, units = used_mem.split()
gpu_stat.memory_usage = math.ceil(float(used)/float(total) * 100)
return gpu_stat
def parse_smi_output(output):
gpu_stat = GPUStatus()
gpu_stat.product_name = _find_val(output, 'Product Name')
gpu_stat.pci_device_id = _find_val(output, 'PCI Device/Vendor ID')
gpu_stat.pci_location = _find_val(output, 'PCI Location ID')
gpu_stat.display = _find_val(output, 'Display')
gpu_stat.driver_version = _find_val(output, 'Driver Version')
temp_str = _find_val(output, 'GPU Current Temp')
if temp_str and not "N/A" in temp_str:
temp, units = temp_str.split()
gpu_stat.temperature = int(temp)
fan_str = _find_val(output, 'Fan Speed')
if fan_str and not "N/A" in fan_str:
# Fan speed in RPM
fan_spd = float(fan_str.strip('\%').strip()) * 0.01 * MAX_FAN_RPM
# Convert fan speed to Hz
gpu_stat.fan_speed = _rpm_to_rads(fan_spd)
else:
gpu_stat.fan_speed = 0
usage_str = _find_val(output, 'GPU')
if usage_str and not "N/A" in usage_str:
usage = usage_str.strip('\%').strip()
gpu_stat.gpu_usage = int(usage)
else:
gpu_stat.gpu_usage = -1
memUsed = 0
mem_str = _find_val(output, 'Used')
if mem_str and not "N/A" in mem_str:
mem = mem_str.strip(' MiB').strip()
memUsed = int(mem)
memTotal = 0
mem_str = _find_val(output, 'Total')
if mem_str and not "N/A" in mem_str:
mem = mem_str.strip(' MiB').strip()
memTotal = int(mem)
gpu_stat.memory_usage = int(100.0 * memUsed / memTotal)
return gpu_stat
