name : function_cpulist_present.py import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist_present(base.Function): """ Checks whether CPUs from list are present, returns list containing only present CPUs """ def __init__(self): # arbitrary number of arguments super(cpulist_present, self).__init__("cpulist_present", 0) def execute(self, args): if not super(cpulist_present, self).execute(args): return None cpus = self._cmd.cpulist_unpack(",,".join(args)) present = self._cmd.cpulist_unpack(self._cmd.read_file("/sys/devices/system/cpu/present")) return ",".join(str(v) for v in sorted(list(set(cpus).intersection(set(present)))))