def update(self):
f = open("/proc/stat")
new_cpu_stat = array2d( self.__nbr_cpu + 1, 2, 0)
for i in xrange(self.__nbr_cpu + 1):
s = f.readline()
tab = s.split()
new_cpu_stat[i][0] = int(tab[1]) + int(tab[2]) + int(tab[3])
new_cpu_stat[i][1] = int(tab[4])
f.close()
for i in xrange(self.__nbr_cpu + 1):
other_time = new_cpu_stat[i][0] - self.__old_cpu_stat[i][0]
idle_time = new_cpu_stat[i][1] - self.__old_cpu_stat[i][1]
try:
self.__cpu_usage[i] = (other_time*100) / (other_time + idle_time)
except ZeroDivisionError:
self.__cpu_usage[i] = 0;
self.__old_cpu_stat = new_cpu_stat
def __init__(self, refresh_period): AppletModel.__init__(self, refresh_period) self.__stat_path = "/proc/stat" self.__nbr_cpu = self.__countNbrCpu() self.__cpu_usage = array( self.__nbr_cpu + 1, 0) self.__old_cpu_stat = array2d( self.__nbr_cpu + 1, 2, 0)
