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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2024 Nicolas Hennion <[email protected]> |
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# |
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# SPDX-License-Identifier: LGPL-3.0-only |
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# |
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from collections import Counter |
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# from glances.logger import logger |
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# This constant defines the list of available processes sort key |
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sort_programs_key_list = ['cpu_percent', 'memory_percent', 'cpu_times', 'io_counters', 'name'] |
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def create_program_dict(p): |
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"""Create a new entry in the dict (new program)""" |
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return { |
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'time_since_update': p['time_since_update'], |
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# some values can be None, e.g. macOS system processes |
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'num_threads': p['num_threads'] or 0, |
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'cpu_percent': p['cpu_percent'] or 0, |
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'memory_percent': p['memory_percent'] or 0, |
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'cpu_times': p['cpu_times'] or {}, |
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'memory_info': p['memory_info'] or {}, |
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'io_counters': p['io_counters'] or {}, |
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'childrens': [p['pid']], |
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# Others keys are not used |
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# but should be set to be compliant with the existing process_list |
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'name': p['name'], |
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'cmdline': [p['name']], |
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'pid': '_', |
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'username': p.get('username', '_'), |
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'nice': p['nice'], |
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'status': p['status'], |
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} |
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def update_program_dict(program, p): |
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"""Update an existing entry in the dict (existing program)""" |
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# some values can be None, e.g. macOS system processes |
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program['num_threads'] += p['num_threads'] or 0 |
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program['cpu_percent'] += p['cpu_percent'] or 0 |
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program['memory_percent'] += p['memory_percent'] or 0 |
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program['cpu_times'] = dict(Counter(program['cpu_times'] or {}) + Counter(p['cpu_times'] or {})) |
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program['memory_info'] = dict(Counter(program['memory_info'] or {}) + Counter(p['memory_info'] or {})) |
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program['io_counters'] += p['io_counters'] |
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program['childrens'].append(p['pid']) |
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# If all the subprocess has the same value, display it |
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program['username'] = p.get('username', '_') if p.get('username') == program['username'] else '_' |
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program['nice'] = p['nice'] if p['nice'] == program['nice'] else '_' |
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program['status'] = p['status'] if p['status'] == program['status'] else '_' |
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def compute_nprocs(p): |
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p['nprocs'] = len(p['childrens']) |
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return p |
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def processes_to_programs(processes): |
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"""Convert a list of processes to a list of programs.""" |
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# Start to build a dict of programs (key is program name) |
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programs_dict = {} |
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key = 'name' |
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for p in processes: |
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if p[key] not in programs_dict: |
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programs_dict[p[key]] = create_program_dict(p) |
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else: |
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update_program_dict(programs_dict[p[key]], p) |
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# Convert the dict to a list of programs |
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return [compute_nprocs(p) for p in programs_dict.values()] |
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nicolargo /
glances
