bumblebee-status/bumblebee/modules/cpu.py

import bumblebee.module
import psutil

def usage():
    return "cpu"

def notes():
    return "Warning is at 70%, Critical at 80%."

def description():
    return "Displays CPU utilization across all CPUs."

class Module(bumblebee.module.Module):
    def __init__(self, args):
        super(Module, self).__init__(args)
        self._perc = psutil.cpu_percent(percpu=False)

    def data(self):
        self._perc = psutil.cpu_percent(percpu=False)

        return "{:05.02f}%".format(self._perc)

    def warning(self):
        return self._perc > 70

    def critical(self):
        return self._perc > 80

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