1#!/bin/env python3 2# SPDX-License-Identifier: GPL-2.0 3 4import subprocess 5from shutil import which 6 7turbostat = which('turbostat') 8if turbostat is None: 9 print('Could not find turbostat binary') 10 exit(1) 11 12timeout = which('timeout') 13if timeout is None: 14 print('Could not find timeout binary') 15 exit(1) 16 17proc_turbostat = subprocess.run([turbostat, '--list'], capture_output = True) 18if proc_turbostat.returncode != 0: 19 print(f'turbostat failed with {proc_turbostat.returncode}') 20 exit(1) 21 22# 23# By default --list reports also "usec" and "Time_Of_Day_Seconds" columns 24# which are only visible when running with --debug. 25# 26expected_columns_debug = proc_turbostat.stdout.replace(b',', b'\t').strip() 27expected_columns = expected_columns_debug.replace(b'usec\t', b'').replace(b'Time_Of_Day_Seconds\t', b'').replace(b'X2APIC\t', b'').replace(b'APIC\t', b'') 28 29# 30# Run turbostat with no options for 10 seconds and send SIGINT 31# 32timeout_argv = [timeout, '--preserve-status', '-s', 'SIGINT', '-k', '3', '1s'] 33turbostat_argv = [turbostat, '-i', '0.250'] 34 35print(f'Running turbostat with {turbostat_argv=}... ', end = '', flush = True) 36proc_turbostat = subprocess.run(timeout_argv + turbostat_argv, capture_output = True) 37if proc_turbostat.returncode != 0: 38 print(f'turbostat failed with {proc_turbostat.returncode}') 39 exit(1) 40actual_columns = proc_turbostat.stdout.split(b'\n')[0] 41if expected_columns != actual_columns: 42 print(f'turbostat column check failed\n{expected_columns=}\n{actual_columns=}') 43 exit(1) 44print('OK') 45 46# 47# Same, but with --debug 48# 49turbostat_argv.append('--debug') 50 51print(f'Running turbostat with {turbostat_argv=}... ', end = '', flush = True) 52proc_turbostat = subprocess.run(timeout_argv + turbostat_argv, capture_output = True) 53if proc_turbostat.returncode != 0: 54 print(f'turbostat failed with {proc_turbostat.returncode}') 55 exit(1) 56actual_columns = proc_turbostat.stdout.split(b'\n')[0] 57if expected_columns_debug != actual_columns: 58 print(f'turbostat column check failed\n{expected_columns_debug=}\n{actual_columns=}') 59 exit(1) 60print('OK') 61