def cpuload():
with open('/proc/uptime', 'rt') as fd:
old_uptime, old_idle = readfd(fd)
while True:
time.sleep(1.5)
uptime, idle = readfd(fd)
tot_time = (uptime-old_uptime) * num_cores
load_time = tot_time - (idle - old_idle)
cpu_load = load_time / tot_time
old_uptime, old_idle = uptime, idle
#log.info("cpu load: {:.1%}".format(cpu_load))
root['cpuload'].update(cpu_load)
def get_cpu(self):
if not self.last_pid:
self.last_pid = self.pid
if not self.sched_fd:
self.sched_fd = open('/proc/%s/schedstat'%self.last_pid, 'rt')
cpu, *_ = readfd(self.sched_fd, conv=int)
return cpu
