print peaks at psi-monitor exit
This commit is contained in:
Alexey Avramov
parent
2a3209ca72
commit
d4148a590b
@ -1,12 +1,74 @@
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#!/usr/bin/env python3
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"""psi-monitor"""
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import os
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from time import sleep
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from ctypes import CDLL
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from sys import stdout, exit
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from argparse import ArgumentParser
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from signal import signal, SIGTERM, SIGINT, SIGQUIT, SIGHUP
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###############################################################################
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def form(num):
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"""
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"""
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s = str(num).split('.')
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return '{}.{:0<2}'.format(s[0], s[1])
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def signal_handler(signum, frame):
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"""
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"""
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def signal_handler_inner(signum, frame):
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pass
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for i in sig_list:
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signal(i, signal_handler_inner)
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log('')
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lpd = len(peaks_dict)
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if lpd != 15:
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exit()
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log('Peak values: avg10 avg60 avg300')
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log('----------- ------ ------ ------')
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log('some cpu {:>6} {:>6} {:>6}'.format(
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form(peaks_dict['c_some_avg10']),
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form(peaks_dict['c_some_avg60']),
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form(peaks_dict['c_some_avg300']),
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))
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log('----------- ------ ------ ------')
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log('some memory {:>6} {:>6} {:>6}'.format(
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form(peaks_dict['m_some_avg10']),
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form(peaks_dict['m_some_avg60']),
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form(peaks_dict['m_some_avg300']),
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))
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log('full memory {:>6} {:>6} {:>6}'.format(
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form(peaks_dict['m_full_avg10']),
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form(peaks_dict['m_full_avg60']),
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form(peaks_dict['m_full_avg300']),
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))
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log('----------- ------ ------ ------')
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log('some io {:>6} {:>6} {:>6}'.format(
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form(peaks_dict['i_some_avg10']),
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form(peaks_dict['i_some_avg60']),
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form(peaks_dict['i_some_avg300']),
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))
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log('full io {:>6} {:>6} {:>6}'.format(
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form(peaks_dict['i_full_avg10']),
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form(peaks_dict['i_full_avg60']),
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form(peaks_dict['i_full_avg300']),
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))
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exit()
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def cgroup2_root():
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@ -26,21 +88,7 @@ def mlockall():
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MCL_FUTURE = 2
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MCL_ONFAULT = 4
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libc = CDLL('libc.so.6', use_errno=True)
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result = libc.mlockall(
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MCL_CURRENT | MCL_FUTURE | MCL_ONFAULT
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)
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if result != 0:
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result = libc.mlockall(
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MCL_CURRENT | MCL_FUTURE
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)
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if result != 0:
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pass
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else:
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pass
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else:
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pass
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CDLL('libc.so.6').mlockall(MCL_CURRENT | MCL_FUTURE | MCL_ONFAULT)
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def psi_file_mem_to_metrics(psi_path):
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@ -49,17 +97,13 @@ def psi_file_mem_to_metrics(psi_path):
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with open(psi_path) as f:
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psi_list = f.readlines()
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# print(psi_list)
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some_list, full_list = psi_list[0].split(' '), psi_list[1].split(' ')
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# print(some_list, full_list)
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some_avg10 = some_list[1].split('=')[1]
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some_avg60 = some_list[2].split('=')[1]
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some_avg300 = some_list[3].split('=')[1]
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full_avg10 = full_list[1].split('=')[1]
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full_avg60 = full_list[2].split('=')[1]
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full_avg300 = full_list[3].split('=')[1]
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return (some_avg10, some_avg60, some_avg300,
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full_avg10, full_avg60, full_avg300)
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@ -70,27 +114,20 @@ def psi_file_cpu_to_metrics(psi_path):
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with open(psi_path) as f:
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psi_list = f.readlines()
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# print(psi_list)
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some_list = psi_list[0].split(' ')
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# print(some_list, full_list)
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some_avg10 = some_list[1].split('=')[1]
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some_avg60 = some_list[2].split('=')[1]
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some_avg300 = some_list[3].split('=')[1]
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return (some_avg10, some_avg60, some_avg300)
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def log(*msg):
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"""
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"""
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print(*msg)
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if separate_log:
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logging.info(*msg)
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###############################################################################
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parser = ArgumentParser()
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@ -136,16 +173,12 @@ else:
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separate_log = True
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import logging
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def sleeeep():
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try:
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sleep(period)
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except KeyboardInterrupt:
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log('Exit')
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exit()
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sig_list = [SIGTERM, SIGINT, SIGQUIT, SIGHUP]
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###############################################################################
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for i in sig_list:
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signal(i, signal_handler)
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if separate_log:
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logging.basicConfig(
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@ -153,13 +186,11 @@ if separate_log:
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level=logging.INFO,
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format="%(asctime)s: %(message)s")
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###############################################################################
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log('target: {}'.format(target))
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log('period: {}'.format(period))
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log('Starting psi-monitor')
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log('target: {}'.format(target))
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log('period: {}'.format(period))
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if log_file is not None:
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log('log file: {}'.format(log_file))
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log('log file: {}'.format(log_file))
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if not os.path.exists('/proc/pressure'):
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@ -196,7 +227,6 @@ else:
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mlockall()
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log('Starting psi-monitor, target: {}, period: {}'.format(target, period))
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log('----------------------------------------------------------------------'
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'--------------------------------------------')
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log(' some cpu pressure || some memory pressure | full memory pressure ||'
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@ -209,22 +239,25 @@ log('------ ------ ------ || ------ ------ ------ | ------ ------ ------ ||'
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' ------ ------ ------ | ------ ------ ------')
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peaks_dict = dict()
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while True:
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if not os.path.exists(cpu_file):
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log('ERROR: cpu pressure file does not exist: {}'.format(cpu_file))
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sleeeep()
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sleep(period)
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continue
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if not os.path.exists(memory_file):
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log('ERROR: memory pressure file does not exist: {}'.format(
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memory_file))
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sleeeep()
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sleep(period)
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continue
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if not os.path.exists(io_file):
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log('ERROR: io pressure file does not exist: {}'.format(cpu_file))
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sleeeep()
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sleep(period)
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continue
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(c_some_avg10, c_some_avg60, c_some_avg300
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@ -238,26 +271,97 @@ while True:
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i_full_avg10, i_full_avg60, i_full_avg300
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) = psi_file_mem_to_metrics(io_file)
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log('{} {} {} || {} {} {} | {} {} {} || {} {} {} | {} {} {}'.format(
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log('{:>6} {:>6} {:>6} || {:>6} {:>6} {:>6} | {:>6} {:>6} {:>6} || {:>6}'
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' {:>6} {:>6} | {:>6} {:>6} {:>6}'.format(
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c_some_avg10.rjust(6),
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c_some_avg60.rjust(6),
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c_some_avg300.rjust(6),
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c_some_avg10, c_some_avg60, c_some_avg300,
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m_some_avg10.rjust(6),
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m_some_avg60.rjust(6),
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m_some_avg300.rjust(6),
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m_full_avg10.rjust(6),
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m_full_avg60.rjust(6),
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m_full_avg300.rjust(6),
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m_some_avg10, m_some_avg60, m_some_avg300,
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m_full_avg10, m_full_avg60, m_full_avg300,
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i_some_avg10.rjust(6),
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i_some_avg60.rjust(6),
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i_some_avg300.rjust(6),
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i_full_avg10.rjust(6),
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i_full_avg60.rjust(6),
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i_full_avg300.rjust(6)
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i_some_avg10, i_some_avg60, i_some_avg300,
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i_full_avg10, i_full_avg60, i_full_avg300
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))
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))
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sleeeep()
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c_some_avg10 = float(c_some_avg10)
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if ('c_some_avg10' not in peaks_dict or
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peaks_dict['c_some_avg10'] < c_some_avg10):
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peaks_dict['c_some_avg10'] = c_some_avg10
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c_some_avg60 = float(c_some_avg60)
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if ('c_some_avg60' not in peaks_dict or
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peaks_dict['c_some_avg60'] < c_some_avg60):
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peaks_dict['c_some_avg60'] = c_some_avg60
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c_some_avg300 = float(c_some_avg300)
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if ('c_some_avg300' not in peaks_dict or
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peaks_dict['c_some_avg300'] < c_some_avg300):
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peaks_dict['c_some_avg300'] = c_some_avg300
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#######################################################################
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m_some_avg10 = float(m_some_avg10)
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if ('m_some_avg10' not in peaks_dict or
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peaks_dict['m_some_avg10'] < m_some_avg10):
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peaks_dict['m_some_avg10'] = m_some_avg10
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m_some_avg60 = float(m_some_avg60)
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if ('m_some_avg60' not in peaks_dict or
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peaks_dict['m_some_avg60'] < m_some_avg60):
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peaks_dict['m_some_avg60'] = m_some_avg60
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m_some_avg300 = float(m_some_avg300)
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if ('m_some_avg300' not in peaks_dict or
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peaks_dict['m_some_avg300'] < m_some_avg300):
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peaks_dict['m_some_avg300'] = m_some_avg300
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m_full_avg10 = float(m_full_avg10)
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if ('m_full_avg10' not in peaks_dict or
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peaks_dict['m_full_avg10'] < m_full_avg10):
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peaks_dict['m_full_avg10'] = m_full_avg10
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m_full_avg60 = float(m_full_avg60)
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if ('m_full_avg60' not in peaks_dict or
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peaks_dict['m_full_avg60'] < m_full_avg60):
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peaks_dict['m_full_avg60'] = m_full_avg60
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m_full_avg300 = float(m_full_avg300)
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if ('m_full_avg300' not in peaks_dict or
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peaks_dict['m_full_avg300'] < m_full_avg300):
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peaks_dict['m_full_avg300'] = m_full_avg300
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#######################################################################
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i_some_avg10 = float(i_some_avg10)
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if ('i_some_avg10' not in peaks_dict or
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peaks_dict['i_some_avg10'] < i_some_avg10):
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peaks_dict['i_some_avg10'] = i_some_avg10
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i_some_avg60 = float(i_some_avg60)
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if ('i_some_avg60' not in peaks_dict or
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peaks_dict['i_some_avg60'] < i_some_avg60):
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peaks_dict['i_some_avg60'] = i_some_avg60
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i_some_avg300 = float(i_some_avg300)
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if ('i_some_avg300' not in peaks_dict or
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peaks_dict['i_some_avg300'] < i_some_avg300):
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peaks_dict['i_some_avg300'] = i_some_avg300
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i_full_avg10 = float(i_full_avg10)
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if ('i_full_avg10' not in peaks_dict or
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peaks_dict['i_full_avg10'] < i_full_avg10):
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peaks_dict['i_full_avg10'] = i_full_avg10
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i_full_avg60 = float(i_full_avg60)
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if ('i_full_avg60' not in peaks_dict or
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peaks_dict['i_full_avg60'] < i_full_avg60):
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peaks_dict['i_full_avg60'] = i_full_avg60
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i_full_avg300 = float(i_full_avg300)
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if ('i_full_avg300' not in peaks_dict or
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peaks_dict['i_full_avg300'] < i_full_avg300):
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peaks_dict['i_full_avg300'] = i_full_avg300
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stdout.flush()
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sleep(period)
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