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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| #!/usr/bin/env python3 | ||
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| # pylint: disable=W0603,W0602 | ||
| import json | ||
| import subprocess | ||
| import time | ||
| import plistlib | ||
| import argparse | ||
| import zlib | ||
| import base64 | ||
| import xml | ||
| import signal | ||
| import sys | ||
| import uuid | ||
| import os | ||
| import os.path | ||
| import stat | ||
| import urllib.request | ||
| import configparser | ||
| import sqlite3 | ||
| import http | ||
| from datetime import timezone | ||
| from pathlib import Path | ||
|
|
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| from libs import caribou | ||
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| # Shared variable to signal the thread to stop | ||
| stop_signal = False | ||
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|
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| def sigint_handler(_, __): | ||
| global stop_signal | ||
| if stop_signal: | ||
| # If you press CTR-C the second time we bail | ||
| sys.exit() | ||
|
|
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| stop_signal = True | ||
| print('Received stop signal. Terminating all processes.') | ||
|
|
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| def siginfo_handler(_, __): | ||
| print(SETTINGS) | ||
| print(stats) | ||
|
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| signal.signal(signal.SIGINT, sigint_handler) | ||
| signal.signal(signal.SIGTERM, sigint_handler) | ||
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| signal.signal(signal.SIGINFO, siginfo_handler) | ||
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| SETTINGS = { | ||
| 'powermetrics': 5000, | ||
| } | ||
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|
|
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| def run_powermetrics(): | ||
|
|
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| cmd = ['powermetrics', | ||
| '--show-all', | ||
| '-i', str(SETTINGS['powermetrics']), | ||
| '-f', 'plist'] | ||
|
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| with subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True) as process: | ||
| buffer = [] | ||
| for line in process.stdout: | ||
| line = line.strip().replace('&', '&') | ||
| buffer.append(line) | ||
| if line == '</plist>': | ||
| parse_powermetrics_output(''.join(buffer)) | ||
| buffer = [] | ||
|
|
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| if stop_signal: | ||
| break | ||
|
|
||
| if stop_signal: | ||
| process.terminate() | ||
|
|
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| def find_top_processes(data: list): | ||
| # As iterm2 will probably show up as it spawns the processes called from the shell we look at the tasks | ||
| new_data = [] | ||
| for coalition in data: | ||
| if coalition['name'] == 'com.googlecode.iterm2' or coalition['name'].strip() == '': | ||
| new_data.extend(coalition['tasks']) | ||
| else: | ||
| new_data.append(coalition) | ||
|
|
||
| return new_data | ||
|
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| def is_difference_more_than_5_percent(x, y): | ||
| if x == 0 and y == 0: | ||
| return False # If both values are 0, the percentage difference is undefined. | ||
|
|
||
| if x == 0 or y == 0: | ||
| return True # If one of the values is 0 and the other is not, they differ by more than 5%. | ||
|
|
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| percent_difference = abs(x - y) / ((x + y) / 2) * 100 | ||
|
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| return percent_difference > 5 | ||
|
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|
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| def parse_powermetrics_output(output: str): | ||
| global stats | ||
|
|
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| for data in output.encode('utf-8').split(b'\x00'): | ||
| if data: | ||
|
|
||
| if data == b'powermetrics must be invoked as the superuser\n': | ||
| raise PermissionError('You need to run this script as root!') | ||
|
|
||
| try: | ||
| data=plistlib.loads(data) | ||
| data['timezone'] = time.tzname | ||
| data['timestamp'] = int(data['timestamp'].replace(tzinfo=timezone.utc).timestamp() * 1e3) | ||
| except xml.parsers.expat.ExpatError as exc: | ||
| print(data) | ||
| raise exc | ||
|
|
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| for process in find_top_processes(data['coalitions']): | ||
|
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| cpu_ns_dirty = process['cputime_ns'] | ||
| cpu_ns_clean = ((process['cputime_ms_per_s'] * 1_000_000) / 1_000_000_000) * data['elapsed_ns'] | ||
|
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| ei_dirty = process['energy_impact'] | ||
| ei_clean = process['energy_impact_per_s'] * data['elapsed_ns'] / 1_000_000_000 | ||
|
|
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| if is_difference_more_than_5_percent(cpu_ns_dirty, cpu_ns_clean) or \ | ||
| is_difference_more_than_5_percent(ei_dirty, ei_clean): | ||
|
|
||
| print(f"Name : {process['name']}") | ||
| print(f"Elapsed ns : {data['elapsed_ns']}") | ||
| print('') | ||
| print(f"CPU Time ns : {process['cputime_ns']}") | ||
| print(f"CPU Time ns / con : {cpu_ns_clean}") | ||
| print(f"cputime_ms_per_s : {process['cputime_ms_per_s']}") | ||
| print('') | ||
| print(f"energy_impact : {process['energy_impact']}") | ||
| print(f"energy_impact con : {ei_clean}") | ||
| print(f"energy_impact_per_s : {process['energy_impact_per_s']}") | ||
| print('') | ||
| print(f"diskio_bytesread : {process['diskio_bytesread']}") | ||
| print(f"diskio_bytesread_per_s: {process['diskio_bytesread_per_s']}") | ||
| print('') | ||
| print(process) | ||
| print('------------') | ||
|
|
||
| if __name__ == '__main__': | ||
| run_powermetrics() |
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