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# -*- 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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# Copyright (C) 2019 Nicolargo <[email protected]> |
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# |
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# Glances is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU Lesser General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Glances is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU Lesser General Public License for more details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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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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nicolargo /
glances
