nvidia_temp.py
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00001 #!/usr/bin/env python
00002 #
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00034 
00035 ##\author Kevin Watts
00036 ##\brief Publishes diagnostic data on temperature and usage for a Quadro 600 GPU
00037 
00038 from __future__ import with_statement, division
00039 
00040 PKG = 'pr2_computer_monitor'
00041 import roslib; roslib.load_manifest(PKG)
00042 
00043 import rospy
00044 
00045 from diagnostic_msgs.msg import DiagnosticArray, DiagnosticStatus
00046 from pr2_msgs.msg import GPUStatus
00047 
00048 import pr2_computer_monitor
00049 
00050 class NVidiaTempMonitor(object):
00051     def __init__(self):
00052         self._pub = rospy.Publisher('/diagnostics', DiagnosticArray)
00053         self._gpu_pub = rospy.Publisher('gpu_status', GPUStatus)
00054 
00055     def pub_status(self):
00056         gpu_stat = GPUStatus()
00057         stat = DiagnosticStatus()
00058         try:
00059             card_out = pr2_computer_monitor.get_gpu_status()
00060             gpu_stat = pr2_computer_monitor.parse_smi_output(card_out)
00061             stat = pr2_computer_monitor.gpu_status_to_diag(gpu_stat)
00062         except Exception, e:
00063             import traceback
00064             rospy.logerr('Unable to process nVidia GPU data')
00065             rospy.logerr(traceback.format_exc())
00066 
00067         gpu_stat.header.stamp = rospy.get_rostime()
00068 
00069         array = DiagnosticArray()
00070         array.header.stamp = rospy.get_rostime()
00071         
00072         array.status = [ stat ]
00073 
00074         self._pub.publish(array)
00075         self._gpu_pub.publish(gpu_stat)
00076 
00077 if __name__ == '__main__':
00078     rospy.init_node('nvidia_temp_monitor')
00079     
00080     monitor = NVidiaTempMonitor()
00081     my_rate = rospy.Rate(1.0)
00082     while not rospy.is_shutdown():
00083         monitor.pub_status()
00084         my_rate.sleep()
00085 
00086                         


pr2_computer_monitor
Author(s): Kevin Watts (watts@willowgarage.com)
autogenerated on Sat Nov 30 2013 21:19:30