# -*- coding: utf-8 -*- # # This file is part of Glances. # # Copyright (C) 2014 Nicolargo # # Glances 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 3 of the License, or # (at your option) any later version. # # Glances 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 Lesser 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, see . """ Glances CPU plugin """ import psutil from glances.plugins.glances_plugin import GlancesPlugin # SNMP OID # percentage of user CPU time: .1.3.6.1.4.1.2021.11.9.0 # raw user cpu time: .1.3.6.1.4.1.2021.11.50.0 # percentages of system CPU time: .1.3.6.1.4.1.2021.11.10.0 # raw system cpu time: .1.3.6.1.4.1.2021.11.52.0 # percentages of idle CPU time: .1.3.6.1.4.1.2021.11.11.0 # raw idle cpu time: .1.3.6.1.4.1.2021.11.53.0 # raw nice cpu time: .1.3.6.1.4.1.2021.11.51.0 snmp_oid = { 'user': '1.3.6.1.4.1.2021.11.9.0', 'system': '1.3.6.1.4.1.2021.11.10.0', 'idle': '1.3.6.1.4.1.2021.11.11.0', 'user_raw': '1.3.6.1.4.1.2021.11.50.0' } class Plugin(GlancesPlugin): """ Glances' Cpu Plugin stats is a dict """ def __init__(self): GlancesPlugin.__init__(self) # We want to display the stat in the curse interface self.display_curse = True # Set the message position # It is NOT the curse position but the Glances column/line # Enter -1 to right align self.column_curse = 0 # Enter -1 to diplay bottom self.line_curse = 1 # Init stats self.first_call = True self.reset() def reset(self): """ Reset/init the stats """ self.stats = {} def update(self, input='local'): """ Update CPU stats using the input method Input method could be: local (mandatory) or snmp (optionnal) """ # Reset stats self.reset() if input == 'local': # Update stats using the standard system lib # Grab CPU using the PSUtil cpu_times_percent method cputimespercent = psutil.cpu_times_percent(interval=0.0, percpu=False) # Get all possible value for CPU stats # user # system # idle # nice (UNIX) # iowait (Linux) # irq (Linux, FreeBSD) # softirq (Linux) # steal (Linux >= 2.6.11) # The following stats are returned by the API but not displayed in the UI: # guest (Linux >= 2.6.24) # guest_nice (Linux >= 3.2.0) for cpu in ['user', 'system', 'idle', 'nice', 'iowait', 'irq', 'softirq', 'steal', 'guest', 'guest_nice']: if hasattr(cputimespercent, cpu): self.stats[cpu] = getattr(cputimespercent, cpu) elif input == 'snmp': # Update stats using SNMP self.stats = self.set_stats_snmp(snmp_oid=snmp_oid) for key in self.stats.iterkeys(): self.stats[key] = float(self.stats[key]) return self.stats def msg_curse(self, args=None): """ Return the list to display in the curse interface """ # Init the return message ret = [] # Only process if stats exist... if self.stats == {}: return ret # Build the string message # Header msg = "{0:8}".format(_("CPU")) ret.append(self.curse_add_line(msg, "TITLE")) # Total CPU usage msg = "{0}".format(format((100 - self.stats['idle']) / 100, '>6.1%')) ret.append(self.curse_add_line(msg)) # Steal CPU usage # ret.append(self.curse_add_line(" ", optional=True)) if 'steal' in self.stats: msg = " {0:8}".format(_("steal:")) ret.append(self.curse_add_line(msg, optional=True)) msg = "{0}".format(format(self.stats['steal'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg, self.get_alert(self.stats['steal'], header="steal"), optional=True)) # New line ret.append(self.curse_new_line()) # User CPU if 'user' in self.stats: msg = "{0:8}".format(_("user:")) ret.append(self.curse_add_line(msg)) msg = "{0}".format(format(self.stats['user'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg, self.get_alert_log(self.stats['user'], header="user"))) # IOWait CPU # ret.append(self.curse_add_line(" ", optional=True)) if 'iowait' in self.stats: msg = " {0:8}".format(_("iowait:")) ret.append(self.curse_add_line(msg, optional=True)) msg = "{0}".format(format(self.stats['iowait'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg, self.get_alert_log(self.stats['iowait'], header="iowait"), optional=True)) # New line ret.append(self.curse_new_line()) # System CPU if 'system' in self.stats: msg = "{0:8}".format(_("system:")) ret.append(self.curse_add_line(msg)) msg = "{0}".format(format(self.stats['system'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg, self.get_alert_log(self.stats['system'], header="system"))) # IRQ CPU # ret.append(self.curse_add_line(" ", optional=True)) if 'irq' in self.stats: msg = " {0:8}".format(_("irq:")) ret.append(self.curse_add_line(msg, optional=True)) msg = "{0}".format(format(self.stats['irq'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg, optional=True)) # New line ret.append(self.curse_new_line()) # Nice CPU if 'nice' in self.stats: msg = "{0:8}".format(_("nice:")) ret.append(self.curse_add_line(msg)) msg = "{0}".format(format(self.stats['nice'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg)) # Idles CPU # ret.append(self.curse_add_line(" ", optional=True)) if 'idle' in self.stats: msg = "" if 'nice' in self.stats: msg = " " msg += "{0:8}".format(_("idle:")) ret.append(self.curse_add_line(msg, optional=True)) msg = "{0}".format(format(self.stats['idle'] / 100, '>6.1%')) ret.append(self.curse_add_line(msg, optional=True)) # Return the message with decoration return ret