1 files changed, 0 insertions, 148 deletions
diff --git a/collectors/python.d.plugin/cpuidle/cpuidle.chart.py b/collectors/python.d.plugin/cpuidle/cpuidle.chart.py
deleted file mode 100644
index feac025bf..000000000
--- a/collectors/python.d.plugin/cpuidle/cpuidle.chart.py
+++ /dev/null
@@ -1,148 +0,0 @@
-# -*- coding: utf-8 -*-
-# Description: cpuidle netdata python.d module
-# Author: Steven Noonan (tycho)
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-import ctypes
-import glob
-import os
-import platform
-
-from bases.FrameworkServices.SimpleService import SimpleService
-
-syscall = ctypes.CDLL('libc.so.6').syscall
-
-# default module values (can be overridden per job in `config`)
-# update_every = 2
-
-
-class Service(SimpleService):
-    def __init__(self, configuration=None, name=None):
-        prefix = os.getenv('NETDATA_HOST_PREFIX', "")
-        if prefix.endswith('/'):
-            prefix = prefix[:-1]
-        self.sys_dir = prefix + "/sys/devices/system/cpu"
-        self.schedstat_path = prefix + "/proc/schedstat"
-        SimpleService.__init__(self, configuration=configuration, name=name)
-        self.order = []
-        self.definitions = {}
-        self.fake_name = 'cpu'
-        self.assignment = {}
-        self.last_schedstat = None
-
-    @staticmethod
-    def __gettid():
-        # This is horrendous. We need the *thread id* (not the *process id*),
-        # but there's no Python standard library way of doing that. If you need
-        # to enable this module on a non-x86 machine type, you'll have to find
-        # the Linux syscall number for gettid() and add it to the dictionary
-        # below.
-        syscalls = {
-            'i386':    224,
-            'x86_64':  186,
-        }
-        if platform.machine() not in syscalls:
-            return None
-        tid = syscall(syscalls[platform.machine()])
-        return tid
-
-    def __wake_cpus(self, cpus):
-        # Requires Python 3.3+. This will "tickle" each CPU to force it to
-        # update its idle counters.
-        if hasattr(os, 'sched_setaffinity'):
-            pid = self.__gettid()
-            save_affinity = os.sched_getaffinity(pid)
-            for idx in cpus:
-                os.sched_setaffinity(pid, [idx])
-                os.sched_getaffinity(pid)
-            os.sched_setaffinity(pid, save_affinity)
-
-    def __read_schedstat(self):
-        cpus = {}
-        for line in open(self.schedstat_path, 'r'):
-            if not line.startswith('cpu'):
-                continue
-            line = line.rstrip().split()
-            cpu = line[0]
-            active_time = line[7]
-            cpus[cpu] = int(active_time) // 1000
-        return cpus
-
-    def _get_data(self):
-        results = {}
-
-        # Use the kernel scheduler stats to determine how much time was spent
-        # in C0 (active).
-        schedstat = self.__read_schedstat()
-
-        # Determine if any of the CPUs are idle. If they are, then we need to
-        # tickle them in order to update their C-state residency statistics.
-        if self.last_schedstat is None:
-            needs_tickle = list(self.assignment.keys())
-        else:
-            needs_tickle = []
-            for cpu, active_time in self.last_schedstat.items():
-                delta = schedstat[cpu] - active_time
-                if delta < 1:
-                    needs_tickle.append(cpu)
-
-        if needs_tickle:
-            # This line is critical for the stats to update. If we don't "tickle"
-            # idle CPUs, then the counters for those CPUs stop counting.
-            self.__wake_cpus([int(cpu[3:]) for cpu in needs_tickle])
-
-            # Re-read schedstat now that we've tickled any idlers.
-            schedstat = self.__read_schedstat()
-
-        self.last_schedstat = schedstat
-
-        for cpu, metrics in self.assignment.items():
-            update_time = schedstat[cpu]
-            results[cpu + '_active_time'] = update_time
-
-            for metric, path in metrics.items():
-                residency = int(open(path, 'r').read())
-                results[metric] = residency
-
-        return results
-
-    def check(self):
-        if self.__gettid() is None:
-            self.error('Cannot get thread ID. Stats would be completely broken.')
-            return False
-
-        for path in sorted(glob.glob(self.sys_dir + '/cpu*/cpuidle/state*/name')):
-            # ['', 'sys', 'devices', 'system', 'cpu', 'cpu0', 'cpuidle', 'state3', 'name']
-            path_elem = path.split('/')
-            cpu = path_elem[-4]
-            state = path_elem[-2]
-            statename = open(path, 'rt').read().rstrip()
-
-            orderid = '%s_cpuidle' % (cpu,)
-            if orderid not in self.definitions:
-                self.order.append(orderid)
-                active_name = '%s_active_time' % (cpu,)
-                self.definitions[orderid] = {
-                    'options': [None, 'C-state residency', 'time%', 'cpuidle', 'cpuidle.cpuidle', 'stacked'],
-                    'lines': [
-                        [active_name, 'C0 (active)', 'percentage-of-incremental-row', 1, 1],
-                    ],
-                }
-                self.assignment[cpu] = {}
-
-            defid = '%s_%s_time' % (orderid, state)
-
-            self.definitions[orderid]['lines'].append(
-                [defid, statename, 'percentage-of-incremental-row', 1, 1]
-            )
-
-            self.assignment[cpu][defid] = '/'.join(path_elem[:-1] + ['time'])
-
-        # Sort order by kernel-specified CPU index
-        self.order.sort(key=lambda x: int(x.split('_')[0][3:]))
-
-        if not self.definitions:
-            self.error("couldn't find cstate stats")
-            return False
-
-        return True