/usr/lib/python3/dist-packages/glances/plugins/glances_percpu.py is in glances 2.11.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2017 Nicolargo <nicolas@nicolargo.com>
#
# 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 <http://www.gnu.org/licenses/>.
"""Per-CPU plugin."""
from glances.cpu_percent import cpu_percent
from glances.plugins.glances_plugin import GlancesPlugin
class Plugin(GlancesPlugin):
"""Glances per-CPU plugin.
'stats' is a list of dictionaries that contain the utilization percentages
for each CPU.
"""
def __init__(self, args=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args)
# We want to display the stat in the curse interface
self.display_curse = True
# Init stats
self.reset()
def get_key(self):
"""Return the key of the list."""
return 'cpu_number'
def reset(self):
"""Reset/init the stats."""
self.stats = []
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update per-CPU stats using the input method."""
# Reset stats
self.reset()
# Grab per-CPU stats using psutil's cpu_percent(percpu=True) and
# cpu_times_percent(percpu=True) methods
if self.input_method == 'local':
self.stats = cpu_percent.get(percpu=True)
else:
# Update stats using SNMP
pass
return self.stats
def msg_curse(self, args=None):
"""Return the dict to display in the curse interface."""
# Init the return message
ret = []
# No per CPU stat ? Exit...
if not self.stats:
msg = 'PER CPU not available'
ret.append(self.curse_add_line(msg, "TITLE"))
return ret
# Build the string message
# Header
msg = '{:8}'.format('PER CPU')
ret.append(self.curse_add_line(msg, "TITLE"))
# Total per-CPU usage
for cpu in self.stats:
try:
msg = '{:6.1f}%'.format(cpu['total'])
except TypeError:
# TypeError: string indices must be integers (issue #1027)
msg = '{:>6}%'.format('?')
ret.append(self.curse_add_line(msg))
# Stats per-CPU
for stat in ['user', 'system', 'idle', 'iowait', 'steal']:
if stat not in self.stats[0]:
continue
ret.append(self.curse_new_line())
msg = '{:8}'.format(stat + ':')
ret.append(self.curse_add_line(msg))
for cpu in self.stats:
try:
msg = '{:6.1f}%'.format(cpu[stat])
except TypeError:
# TypeError: string indices must be integers (issue #1027)
msg = '{:>6}%'.format('?')
ret.append(self.curse_add_line(msg,
self.get_alert(cpu[stat], header=stat)))
# Return the message with decoration
return ret
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