mirror of https://github.com/nicolargo/glances.git
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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#
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# This file is part of Glances.
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#
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# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
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#
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# SPDX-License-Identifier: LGPL-3.0-only
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#
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"""CPU core plugin."""
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from glances.plugins.plugin.model import GlancesPluginModel
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import psutil
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# Fields description
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fields_description = {
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'phys': {'description': 'Number of physical cores (hyper thread CPUs are excluded).', 'unit': 'number'},
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'log': {
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'description': 'Number of logical CPUs. A logical CPU is the number of \
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physical cores multiplied by the number of threads that can run on each core.',
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'unit': 'number',
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},
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}
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class PluginModel(GlancesPluginModel):
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"""Glances CPU core plugin.
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Get stats about CPU core number.
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stats is integer (number of core)
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"""
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def __init__(self, args=None, config=None):
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"""Init the plugin."""
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super(PluginModel, self).__init__(args=args, config=config, fields_description=fields_description)
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# We dot not want to display the stat in the curse interface
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# The core number is displayed by the load plugin
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self.display_curse = False
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# Do *NOT* uncomment the following line
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# @GlancesPluginModel._check_decorator
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@GlancesPluginModel._log_result_decorator
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def update(self):
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"""Update core stats.
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Stats is a dict (with both physical and log cpu number) instead of a integer.
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"""
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# Init new stats
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stats = self.get_init_value()
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if self.input_method == 'local':
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# Update stats using the standard system lib
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# The psutil 2.0 include psutil.cpu_count() and psutil.cpu_count(logical=False)
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# Return a dict with:
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# - phys: physical cores only (hyper thread CPUs are excluded)
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# - log: logical CPUs in the system
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# Return None if undefined
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try:
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stats["phys"] = psutil.cpu_count(logical=False)
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stats["log"] = psutil.cpu_count()
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except NameError:
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self.reset()
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elif self.input_method == 'snmp':
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# Update stats using SNMP
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# http://stackoverflow.com/questions/5662467/how-to-find-out-the-number-of-cpus-using-snmp
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pass
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# Update the stats
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self.stats = stats
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return self.stats
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