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bullseye
Lib/test/memory_watchdog.py
28 строк
859 B
Huw Jones
Imported Upstream version 3.9.2
21 мар 2022, 14:02
21 мар 2022, 14:02
0946962
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"""Memory watchdog: periodically read the memory usage of the main test process and print it out, until terminated.""" # stdin should refer to the process' /proc/<PID>/statm: we don't pass the # process' PID to avoid a race condition in case of - unlikely - PID recycling. # If the process crashes, reading from the /proc entry will fail with ESRCH. import os import sys import time try: page_size = os.sysconf('SC_PAGESIZE') except (ValueError, AttributeError): try: page_size = os.sysconf('SC_PAGE_SIZE') except (ValueError, AttributeError): page_size = 4096 while True: sys.stdin.seek(0) statm = sys.stdin.read() data = int(statm.split()[5]) sys.stdout.write(" ... process data size: {data:.1f}G\n" .format(data=data * page_size / (1024 ** 3))) sys.stdout.flush() time.sleep(1)