mirror of https://github.com/nicolargo/glances.git
149 lines
4.9 KiB
Python
149 lines
4.9 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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"""Process count plugin."""
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from glances.processes import glances_processes
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from glances.plugins.glances_plugin import GlancesPlugin
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# Define the history items list
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items_history_list = [
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{'name': 'total', 'description': 'Total number of processes', 'y_unit': ''},
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{'name': 'running', 'description': 'Total number of running processes', 'y_unit': ''},
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{'name': 'sleeping', 'description': 'Total number of sleeping processes', 'y_unit': ''},
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{'name': 'thread', 'description': 'Total number of threads', 'y_unit': ''},
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]
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class Plugin(GlancesPlugin):
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"""Glances process count plugin.
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stats is a list
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"""
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sort_for_human = {
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'io_counters': 'disk IO',
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'cpu_percent': 'CPU consumption',
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'memory_percent': 'memory consumption',
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'cpu_times': 'process time',
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'username': 'user name',
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'name': 'process name',
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None: 'None',
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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(Plugin, self).__init__(args=args, config=config, items_history_list=items_history_list)
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# We want to display the stat in the curse interface
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self.display_curse = True
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# Note: 'glances_processes' is already init in the glances_processes.py script
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def enable_extended(self):
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"""Enable extended stats."""
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glances_processes.enable_extended()
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def disable_extended(self):
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"""Disable extended stats."""
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glances_processes.disable_extended()
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@GlancesPlugin._check_decorator
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@GlancesPlugin._log_result_decorator
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def update(self):
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"""Update processes stats using the input method."""
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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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# Here, update is call for processcount AND processlist
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glances_processes.update()
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# Return the processes count
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stats = glances_processes.get_count()
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elif self.input_method == 'snmp':
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# Update stats using SNMP
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# Not availaible
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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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def msg_curse(self, args=None, max_width=None):
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"""Return the dict to display in the curse interface."""
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# Init the return message
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ret = []
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# Only process if stats exist and display plugin enable...
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if args.disable_process:
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msg = "PROCESSES DISABLED (press 'z' to display)"
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ret.append(self.curse_add_line(msg))
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return ret
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if not self.stats:
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return ret
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# Display the filter (if it exists)
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if glances_processes.process_filter is not None:
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msg = 'Processes filter:'
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ret.append(self.curse_add_line(msg, "TITLE"))
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msg = ' {} '.format(glances_processes.process_filter)
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if glances_processes.process_filter_key is not None:
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msg += 'on column {} '.format(glances_processes.process_filter_key)
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ret.append(self.curse_add_line(msg, "FILTER"))
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msg = '(\'ENTER\' to edit, \'E\' to reset)'
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ret.append(self.curse_add_line(msg))
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ret.append(self.curse_new_line())
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# Build the string message
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# Header
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msg = 'TASKS'
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ret.append(self.curse_add_line(msg, "TITLE"))
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# Compute processes
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other = self.stats['total']
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msg = '{:>4}'.format(self.stats['total'])
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ret.append(self.curse_add_line(msg))
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if 'thread' in self.stats:
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msg = ' ({} thr),'.format(self.stats['thread'])
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ret.append(self.curse_add_line(msg))
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if 'running' in self.stats:
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other -= self.stats['running']
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msg = ' {} run,'.format(self.stats['running'])
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ret.append(self.curse_add_line(msg))
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if 'sleeping' in self.stats:
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other -= self.stats['sleeping']
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msg = ' {} slp,'.format(self.stats['sleeping'])
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ret.append(self.curse_add_line(msg))
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msg = ' {} oth '.format(other)
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ret.append(self.curse_add_line(msg))
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# Display sort information
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msg = 'Programs' if self.args.programs else 'Threads'
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try:
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sort_human = self.sort_for_human[glances_processes.sort_key]
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except KeyError:
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sort_human = glances_processes.sort_key
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if glances_processes.auto_sort:
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msg += ' sorted automatically'
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ret.append(self.curse_add_line(msg))
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msg = ' by {}'.format(sort_human)
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else:
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msg += ' sorted by {}'.format(sort_human)
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ret.append(self.curse_add_line(msg))
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# Return the message with decoration
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return ret
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