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#!/usr/bin/env python3
# Copyright (c) 2009, Giampaolo Rodola'
# Copyright (c) 2017, Arnon Yaari
# All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""AIX specific tests."""
import re
from psutil import AIX
from psutil.tests import PsutilTestCase
from psutil.tests import sh
from psutil.tests import unittest
import psutil
@unittest.skipIf(not AIX, "AIX only")
class AIXSpecificTestCase(PsutilTestCase):
def test_virtual_memory(self):
out = sh('/usr/bin/svmon -O unit=KB')
re_pattern = r"memory\s*"
for field in ("size inuse free pin virtual available mmode").split():
re_pattern += r"(?P<%s>\S+)\s+" % (field,)
matchobj = re.search(re_pattern, out)
self.assertIsNotNone(
matchobj, "svmon command returned unexpected output")
KB = 1024
total = int(matchobj.group("size")) * KB
available = int(matchobj.group("available")) * KB
used = int(matchobj.group("inuse")) * KB
free = int(matchobj.group("free")) * KB
psutil_result = psutil.virtual_memory()
# TOLERANCE_SYS_MEM from psutil.tests is not enough. For some reason
# we're seeing differences of ~1.2 MB. 2 MB is still a good tolerance
# when compared to GBs.
TOLERANCE_SYS_MEM = 2 * KB * KB # 2 MB
self.assertEqual(psutil_result.total, total)
self.assertAlmostEqual(
psutil_result.used, used, delta=TOLERANCE_SYS_MEM)
self.assertAlmostEqual(
psutil_result.available, available, delta=TOLERANCE_SYS_MEM)
self.assertAlmostEqual(
psutil_result.free, free, delta=TOLERANCE_SYS_MEM)
def test_swap_memory(self):
out = sh('/usr/sbin/lsps -a')
# From the man page, "The size is given in megabytes" so we assume
# we'll always have 'MB' in the result
# TODO maybe try to use "swap -l" to check "used" too, but its units
# are not guaranteed to be "MB" so parsing may not be consistent
matchobj = re.search(r"(?P<space>\S+)\s+"
r"(?P<vol>\S+)\s+"
r"(?P<vg>\S+)\s+"
r"(?P<size>\d+)MB", out)
self.assertIsNotNone(
matchobj, "lsps command returned unexpected output")
total_mb = int(matchobj.group("size"))
MB = 1024 ** 2
psutil_result = psutil.swap_memory()
# we divide our result by MB instead of multiplying the lsps value by
# MB because lsps may round down, so we round down too
self.assertEqual(int(psutil_result.total / MB), total_mb)
def test_cpu_stats(self):
out = sh('/usr/bin/mpstat -a')
re_pattern = r"ALL\s*"
for field in ("min maj mpcs mpcr dev soft dec ph cs ics bound rq "
"push S3pull S3grd S0rd S1rd S2rd S3rd S4rd S5rd "
"sysc").split():
re_pattern += r"(?P<%s>\S+)\s+" % (field,)
matchobj = re.search(re_pattern, out)
self.assertIsNotNone(
matchobj, "mpstat command returned unexpected output")
# numbers are usually in the millions so 1000 is ok for tolerance
CPU_STATS_TOLERANCE = 1000
psutil_result = psutil.cpu_stats()
self.assertAlmostEqual(
psutil_result.ctx_switches,
int(matchobj.group("cs")),
delta=CPU_STATS_TOLERANCE)
self.assertAlmostEqual(
psutil_result.syscalls,
int(matchobj.group("sysc")),
delta=CPU_STATS_TOLERANCE)
self.assertAlmostEqual(
psutil_result.interrupts,
int(matchobj.group("dev")),
delta=CPU_STATS_TOLERANCE)
self.assertAlmostEqual(
psutil_result.soft_interrupts,
int(matchobj.group("soft")),
delta=CPU_STATS_TOLERANCE)
def test_cpu_count_logical(self):
out = sh('/usr/bin/mpstat -a')
mpstat_lcpu = int(re.search(r"lcpu=(\d+)", out).group(1))
psutil_lcpu = psutil.cpu_count(logical=True)
self.assertEqual(mpstat_lcpu, psutil_lcpu)
def test_net_if_addrs_names(self):
out = sh('/etc/ifconfig -l')
ifconfig_names = set(out.split())
psutil_names = set(psutil.net_if_addrs().keys())
self.assertSetEqual(ifconfig_names, psutil_names)
if __name__ == '__main__':
from psutil.tests.runner import run_from_name
run_from_name(__file__)