# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2010-2014 Vifib SARL and Contributors. # All Rights Reserved. # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # guarantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public License # as published by the Free Software Foundation; either version 2.1 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## import psutil import os class _Snapshot(object): def get(self, property, default=None): return getattr(self, property, default) class ProcessSnapshot(_Snapshot): """ Take a snapshot from the running process """ def __init__(self, process=None): assert type(process) is psutil.Process ui_counter_list = process.get_io_counters() self.username = process.username() self.process_object = process self.pid = process.pid # Save full command line from the process. self.process = "%s-%s" % (process.pid, process.create_time()) # CPU percentage, we will have to get actual absolute value self.cpu_percent = self.process_object.get_cpu_percent(None) # CPU Time self.cpu_time = sum(process.get_cpu_times()) # Thread number, might not be really relevant self.cpu_num_threads = process.get_num_threads() # Memory percentage self.memory_percent = process.get_memory_percent() # Resident Set Size, virtual memory size is not accouned for self.memory_rss = process.get_memory_info()[0] # Byte count, Read and write. OSX NOT SUPPORTED self.io_rw_counter = ui_counter_list[2] + ui_counter_list[3] # Read + write IO cycles self.io_cycles_counter = ui_counter_list[0] + ui_counter_list[1] def update_cpu_percent(self): # CPU percentage, we will have to get actual absolute value self.cpu_percent = self.process_object.get_cpu_percent() class SystemSnapshot(_Snapshot): """ Take a snapshot from current system usage """ def __init__(self): memory = psutil.phymem_usage() net_io = psutil.net_io_counters() self.memory_used = memory.used self.memory_free = memory.free self.memory_percent = memory.percent self.cpu_percent = psutil.cpu_percent() self.load = os.getloadavg()[0] self.net_in_bytes = net_io.bytes_recv self.net_in_errors = net_io.errin self.net_in_dropped = net_io.dropin self.net_out_bytes = net_io.bytes_sent self.net_out_errors = net_io.errout self.net_out_dropped = net_io.dropout class DiskPartitionSnapshot(_Snapshot): """ Take Snapshot from general disk partitions usage """ def __init__(self, partition, mountpoint): self.partition = partition self.mountpoint_list = [ mountpoint ] disk = psutil.disk_usage(mountpoint) disk_io = psutil.disk_io_counters() self.disk_size_used = disk.used self.disk_size_free = disk.free self.disk_size_percent = disk.percent class ComputerSnapshot(_Snapshot): """ Take a snapshot from computer informations """ def __init__(self): self.cpu_num_core = psutil.NUM_CPUS self.cpu_frequency = 0 self.cpu_type = 0 self.memory_size = psutil.TOTAL_PHYMEM self.memory_type = 0 # # Include a SystemSnapshot and a list DiskPartitionSnapshot # on a Computer Snapshot # self.system_snapshot = SystemSnapshot() self.disk_snapshot_list = [] self.partition_list = self._get_physical_disk_info() def _get_physical_disk_info(self): partition_dict = {} for partition in psutil.disk_partitions(): if partition.device not in partition_dict: usage = psutil.disk_usage(partition.mountpoint) partition_dict[partition.device] = usage.total self.disk_snapshot_list.append( DiskPartitionSnapshot(partition.device, partition.mountpoint)) return [(k, v) for k, v in partition_dict.iteritems()]