netdata/python.d/cpufreq.chart.py at master · Patechoc/netdata · GitHub

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# -*- coding: utf-8 -*-

# Description: cpufreq netdata python.d module

# Author: Pawel Krupa (paulfantom)

import os

from base import SimpleService

# default module values (can be overridden per job in `config`)

# update_every = 2

ORDER = ['cpufreq']

CHARTS = {

'cpufreq': {

'options': [None, 'CPU Clock', 'MHz', 'cpufreq', None, 'line'],

'lines': [

# lines are created dynamically in `check()` method

]}

}

class Service(SimpleService):

def __init__(self, configuration=None, name=None):

self.sys_dir = "/sys/devices"

self.filename = "scaling_cur_freq"

SimpleService.__init__(self, configuration=configuration, name=name)

self.order = ORDER

self.definitions = CHARTS

self._orig_name = ""

self.assignment = {}

self.paths = []

def _get_data(self):

raw = {}

for path in self.paths:

with open(path, 'r') as f:

raw[path] = f.read()

data = {}

for path in self.paths:

data[self.assignment[path]] = raw[path]

return data

def check(self):

try:

self.sys_dir = str(self.configuration['sys_dir'])

except (KeyError, TypeError):

self.error("No path specified. Using: '" + self.sys_dir + "'")

self._orig_name = self.chart_name

for dirpath, _, filenames in os.walk(self.sys_dir):

if self.filename in filenames:

self.paths.append(dirpath + "/" + self.filename)

if len(self.paths) == 0:

return False

self.paths.sort()

i = 0

for path in self.paths:

self.assignment[path] = "cpu" + str(i)

i += 1

for name in self.assignment:

dim = self.assignment[name]

self.definitions[ORDER[0]]['lines'].append([dim, dim, 'absolute', 1, 1000])

return True

def create(self):

self.chart_name = "cpu"

status = SimpleService.create(self)

self.chart_name = self._orig_name

return status

def update(self, interval):

self.chart_name = "cpu"

status = SimpleService.update(self, interval=interval)

self.chart_name = self._orig_name

return status

netdata/python.d/cpufreq.chart.py at master · Patechoc/netdata · GitHub

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