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test_bsd.py
#!/usr/bin/env python3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. # TODO: (FreeBSD) add test for comparing connections with 'sockstat' cmd. """Tests specific to all BSD platforms.""" import datetime import os import re import time import unittest import psutil from psutil import BSD from psutil import FREEBSD from psutil import NETBSD from psutil import OPENBSD from psutil.tests import HAS_BATTERY from psutil.tests import TOLERANCE_SYS_MEM from psutil.tests import PsutilTestCase from psutil.tests import retry_on_failure from psutil.tests import sh from psutil.tests import spawn_testproc from psutil.tests import terminate from psutil.tests import which if BSD: from psutil._psutil_posix import getpagesize PAGESIZE = getpagesize() # muse requires root privileges MUSE_AVAILABLE = os.getuid() == 0 and which('muse') else: PAGESIZE = None MUSE_AVAILABLE = False def sysctl(cmdline): """Expects a sysctl command with an argument and parse the result returning only the value of interest. """ result = sh("sysctl " + cmdline) if FREEBSD: result = result[result.find(": ") + 2:] elif OPENBSD or NETBSD: result = result[result.find("=") + 1:] try: return int(result) except ValueError: return result def muse(field): """Thin wrapper around 'muse' cmdline utility.""" out = sh('muse') for line in out.split('\n'): if line.startswith(field): break else: raise ValueError("line not found") return int(line.split()[1]) # ===================================================================== # --- All BSD* # ===================================================================== @unittest.skipIf(not BSD, "BSD only") class BSDTestCase(PsutilTestCase): """Generic tests common to all BSD variants.""" @classmethod def setUpClass(cls): cls.pid = spawn_testproc().pid @classmethod def tearDownClass(cls): terminate(cls.pid) @unittest.skipIf(NETBSD, "-o lstart doesn't work on NETBSD") def test_process_create_time(self): output = sh("ps -o lstart -p %s" % self.pid) start_ps = output.replace('STARTED', '').strip() start_psutil = psutil.Process(self.pid).create_time() start_psutil = time.strftime("%a %b %e %H:%M:%S %Y", time.localtime(start_psutil)) self.assertEqual(start_ps, start_psutil) def test_disks(self): # test psutil.disk_usage() and psutil.disk_partitions() # against "df -a" def df(path): out = sh('df -k "%s"' % path).strip() lines = out.split('\n') lines.pop(0) line = lines.pop(0) dev, total, used, free = line.split()[:4] if dev == 'none': dev = '' total = int(total) * 1024 used = int(used) * 1024 free = int(free) * 1024 return dev, total, used, free for part in psutil.disk_partitions(all=False): usage = psutil.disk_usage(part.mountpoint) dev, total, used, free = df(part.mountpoint) self.assertEqual(part.device, dev) self.assertEqual(usage.total, total) # 10 MB tolerance if abs(usage.free - free) > 10 * 1024 * 1024: raise self.fail("psutil=%s, df=%s" % (usage.free, free)) if abs(usage.used - used) > 10 * 1024 * 1024: raise self.fail("psutil=%s, df=%s" % (usage.used, used)) @unittest.skipIf(not which('sysctl'), "sysctl cmd not available") def test_cpu_count_logical(self): syst = sysctl("hw.ncpu") self.assertEqual(psutil.cpu_count(logical=True), syst) @unittest.skipIf(not which('sysctl'), "sysctl cmd not available") @unittest.skipIf(NETBSD, "skipped on NETBSD") # we check /proc/meminfo def test_virtual_memory_total(self): num = sysctl('hw.physmem') self.assertEqual(num, psutil.virtual_memory().total) @unittest.skipIf(not which('ifconfig'), "ifconfig cmd not available") def test_net_if_stats(self): for name, stats in psutil.net_if_stats().items(): try: out = sh("ifconfig %s" % name) except RuntimeError: pass else: self.assertEqual(stats.isup, 'RUNNING' in out, msg=out) if "mtu" in out: self.assertEqual(stats.mtu, int(re.findall(r'mtu (\d+)', out)[0])) # ===================================================================== # --- FreeBSD # ===================================================================== @unittest.skipIf(not FREEBSD, "FREEBSD only") class FreeBSDPsutilTestCase(PsutilTestCase): @classmethod def setUpClass(cls): cls.pid = spawn_testproc().pid @classmethod def tearDownClass(cls): terminate(cls.pid) @retry_on_failure() def test_memory_maps(self): out = sh('procstat -v %s' % self.pid) maps = psutil.Process(self.pid).memory_maps(grouped=False) lines = out.split('\n')[1:] while lines: line = lines.pop() fields = line.split() _, start, stop, perms, res = fields[:5] map = maps.pop() self.assertEqual("%s-%s" % (start, stop), map.addr) self.assertEqual(int(res), map.rss) if not map.path.startswith('['): self.assertEqual(fields[10], map.path) def test_exe(self): out = sh('procstat -b %s' % self.pid) self.assertEqual(psutil.Process(self.pid).exe(), out.split('\n')[1].split()[-1]) def test_cmdline(self): out = sh('procstat -c %s' % self.pid) self.assertEqual(' '.join(psutil.Process(self.pid).cmdline()), ' '.join(out.split('\n')[1].split()[2:])) def test_uids_gids(self): out = sh('procstat -s %s' % self.pid) euid, ruid, suid, egid, rgid, sgid = out.split('\n')[1].split()[2:8] p = psutil.Process(self.pid) uids = p.uids() gids = p.gids() self.assertEqual(uids.real, int(ruid)) self.assertEqual(uids.effective, int(euid)) self.assertEqual(uids.saved, int(suid)) self.assertEqual(gids.real, int(rgid)) self.assertEqual(gids.effective, int(egid)) self.assertEqual(gids.saved, int(sgid)) @retry_on_failure() def test_ctx_switches(self): tested = [] out = sh('procstat -r %s' % self.pid) p = psutil.Process(self.pid) for line in out.split('\n'): line = line.lower().strip() if ' voluntary context' in line: pstat_value = int(line.split()[-1]) psutil_value = p.num_ctx_switches().voluntary self.assertEqual(pstat_value, psutil_value) tested.append(None) elif ' involuntary context' in line: pstat_value = int(line.split()[-1]) psutil_value = p.num_ctx_switches().involuntary self.assertEqual(pstat_value, psutil_value) tested.append(None) if len(tested) != 2: raise RuntimeError("couldn't find lines match in procstat out") @retry_on_failure() def test_cpu_times(self): tested = [] out = sh('procstat -r %s' % self.pid) p = psutil.Process(self.pid) for line in out.split('\n'): line = line.lower().strip() if 'user time' in line: pstat_value = float('0.' + line.split()[-1].split('.')[-1]) psutil_value = p.cpu_times().user self.assertEqual(pstat_value, psutil_value) tested.append(None) elif 'system time' in line: pstat_value = float('0.' + line.split()[-1].split('.')[-1]) psutil_value = p.cpu_times().system self.assertEqual(pstat_value, psutil_value) tested.append(None) if len(tested) != 2: raise RuntimeError("couldn't find lines match in procstat out") @unittest.skipIf(not FREEBSD, "FREEBSD only") class FreeBSDSystemTestCase(PsutilTestCase): @staticmethod def parse_swapinfo(): # the last line is always the total output = sh("swapinfo -k").splitlines()[-1] parts = re.split(r'\s+', output) if not parts: raise ValueError("Can't parse swapinfo: %s" % output) # the size is in 1k units, so multiply by 1024 total, used, free = (int(p) * 1024 for p in parts[1:4]) return total, used, free def test_cpu_frequency_against_sysctl(self): # Currently only cpu 0 is frequency is supported in FreeBSD # All other cores use the same frequency. sensor = "dev.cpu.0.freq" try: sysctl_result = int(sysctl(sensor)) except RuntimeError: self.skipTest("frequencies not supported by kernel") self.assertEqual(psutil.cpu_freq().current, sysctl_result) sensor = "dev.cpu.0.freq_levels" sysctl_result = sysctl(sensor) # sysctl returns a string of the format: # <freq_level_1>/<voltage_level_1> <freq_level_2>/<voltage_level_2>... # Ordered highest available to lowest available. max_freq = int(sysctl_result.split()[0].split("/")[0]) min_freq = int(sysctl_result.split()[-1].split("/")[0]) self.assertEqual(psutil.cpu_freq().max, max_freq) self.assertEqual(psutil.cpu_freq().min, min_freq) # --- virtual_memory(); tests against sysctl @retry_on_failure() def test_vmem_active(self): syst = sysctl("vm.stats.vm.v_active_count") * PAGESIZE self.assertAlmostEqual(psutil.virtual_memory().active, syst, delta=TOLERANCE_SYS_MEM) @retry_on_failure() def test_vmem_inactive(self): syst = sysctl("vm.stats.vm.v_inactive_count") * PAGESIZE self.assertAlmostEqual(psutil.virtual_memory().inactive, syst, delta=TOLERANCE_SYS_MEM) @retry_on_failure() def test_vmem_wired(self): syst = sysctl("vm.stats.vm.v_wire_count") * PAGESIZE self.assertAlmostEqual(psutil.virtual_memory().wired, syst, delta=TOLERANCE_SYS_MEM) @retry_on_failure() def test_vmem_cached(self): syst = sysctl("vm.stats.vm.v_cache_count") * PAGESIZE self.assertAlmostEqual(psutil.virtual_memory().cached, syst, delta=TOLERANCE_SYS_MEM) @retry_on_failure() def test_vmem_free(self): syst = sysctl("vm.stats.vm.v_free_count") * PAGESIZE self.assertAlmostEqual(psutil.virtual_memory().free, syst, delta=TOLERANCE_SYS_MEM) @retry_on_failure() def test_vmem_buffers(self): syst = sysctl("vfs.bufspace") self.assertAlmostEqual(psutil.virtual_memory().buffers, syst, delta=TOLERANCE_SYS_MEM) # --- virtual_memory(); tests against muse @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") def test_muse_vmem_total(self): num = muse('Total') self.assertEqual(psutil.virtual_memory().total, num) @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") @retry_on_failure() def test_muse_vmem_active(self): num = muse('Active') self.assertAlmostEqual(psutil.virtual_memory().active, num, delta=TOLERANCE_SYS_MEM) @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") @retry_on_failure() def test_muse_vmem_inactive(self): num = muse('Inactive') self.assertAlmostEqual(psutil.virtual_memory().inactive, num, delta=TOLERANCE_SYS_MEM) @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") @retry_on_failure() def test_muse_vmem_wired(self): num = muse('Wired') self.assertAlmostEqual(psutil.virtual_memory().wired, num, delta=TOLERANCE_SYS_MEM) @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") @retry_on_failure() def test_muse_vmem_cached(self): num = muse('Cache') self.assertAlmostEqual(psutil.virtual_memory().cached, num, delta=TOLERANCE_SYS_MEM) @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") @retry_on_failure() def test_muse_vmem_free(self): num = muse('Free') self.assertAlmostEqual(psutil.virtual_memory().free, num, delta=TOLERANCE_SYS_MEM) @unittest.skipIf(not MUSE_AVAILABLE, "muse not installed") @retry_on_failure() def test_muse_vmem_buffers(self): num = muse('Buffer') self.assertAlmostEqual(psutil.virtual_memory().buffers, num, delta=TOLERANCE_SYS_MEM) def test_cpu_stats_ctx_switches(self): self.assertAlmostEqual(psutil.cpu_stats().ctx_switches, sysctl('vm.stats.sys.v_swtch'), delta=1000) def test_cpu_stats_interrupts(self): self.assertAlmostEqual(psutil.cpu_stats().interrupts, sysctl('vm.stats.sys.v_intr'), delta=1000) def test_cpu_stats_soft_interrupts(self): self.assertAlmostEqual(psutil.cpu_stats().soft_interrupts, sysctl('vm.stats.sys.v_soft'), delta=1000) @retry_on_failure() def test_cpu_stats_syscalls(self): # pretty high tolerance but it looks like it's OK. self.assertAlmostEqual(psutil.cpu_stats().syscalls, sysctl('vm.stats.sys.v_syscall'), delta=200000) # def test_cpu_stats_traps(self): # self.assertAlmostEqual(psutil.cpu_stats().traps, # sysctl('vm.stats.sys.v_trap'), delta=1000) # --- swap memory def test_swapmem_free(self): total, used, free = self.parse_swapinfo() self.assertAlmostEqual( psutil.swap_memory().free, free, delta=TOLERANCE_SYS_MEM) def test_swapmem_used(self): total, used, free = self.parse_swapinfo() self.assertAlmostEqual( psutil.swap_memory().used, used, delta=TOLERANCE_SYS_MEM) def test_swapmem_total(self): total, used, free = self.parse_swapinfo() self.assertAlmostEqual( psutil.swap_memory().total, total, delta=TOLERANCE_SYS_MEM) # --- others def test_boot_time(self): s = sysctl('sysctl kern.boottime') s = s[s.find(" sec = ") + 7:] s = s[:s.find(',')] btime = int(s) self.assertEqual(btime, psutil.boot_time()) # --- sensors_battery @unittest.skipIf(not HAS_BATTERY, "no battery") def test_sensors_battery(self): def secs2hours(secs): m, s = divmod(secs, 60) h, m = divmod(m, 60) return "%d:%02d" % (h, m) out = sh("acpiconf -i 0") fields = dict([(x.split('\t')[0], x.split('\t')[-1]) for x in out.split("\n")]) metrics = psutil.sensors_battery() percent = int(fields['Remaining capacity:'].replace('%', '')) remaining_time = fields['Remaining time:'] self.assertEqual(metrics.percent, percent) if remaining_time == 'unknown': self.assertEqual(metrics.secsleft, psutil.POWER_TIME_UNLIMITED) else: self.assertEqual(secs2hours(metrics.secsleft), remaining_time) @unittest.skipIf(not HAS_BATTERY, "no battery") def test_sensors_battery_against_sysctl(self): self.assertEqual(psutil.sensors_battery().percent, sysctl("hw.acpi.battery.life")) self.assertEqual(psutil.sensors_battery().power_plugged, sysctl("hw.acpi.acline") == 1) secsleft = psutil.sensors_battery().secsleft if secsleft < 0: self.assertEqual(sysctl("hw.acpi.battery.time"), -1) else: self.assertEqual(secsleft, sysctl("hw.acpi.battery.time") * 60) @unittest.skipIf(HAS_BATTERY, "has battery") def test_sensors_battery_no_battery(self): # If no battery is present one of these calls is supposed # to fail, see: # https://github.com/giampaolo/psutil/issues/1074 with self.assertRaises(RuntimeError): sysctl("hw.acpi.battery.life") sysctl("hw.acpi.battery.time") sysctl("hw.acpi.acline") self.assertIsNone(psutil.sensors_battery()) # --- sensors_temperatures def test_sensors_temperatures_against_sysctl(self): num_cpus = psutil.cpu_count(True) for cpu in range(num_cpus): sensor = "dev.cpu.%s.temperature" % cpu # sysctl returns a string in the format 46.0C try: sysctl_result = int(float(sysctl(sensor)[:-1])) except RuntimeError: self.skipTest("temperatures not supported by kernel") self.assertAlmostEqual( psutil.sensors_temperatures()["coretemp"][cpu].current, sysctl_result, delta=10) sensor = "dev.cpu.%s.coretemp.tjmax" % cpu sysctl_result = int(float(sysctl(sensor)[:-1])) self.assertEqual( psutil.sensors_temperatures()["coretemp"][cpu].high, sysctl_result) # ===================================================================== # --- OpenBSD # ===================================================================== @unittest.skipIf(not OPENBSD, "OPENBSD only") class OpenBSDTestCase(PsutilTestCase): def test_boot_time(self): s = sysctl('kern.boottime') sys_bt = datetime.datetime.strptime(s, "%a %b %d %H:%M:%S %Y") psutil_bt = datetime.datetime.fromtimestamp(psutil.boot_time()) self.assertEqual(sys_bt, psutil_bt) # ===================================================================== # --- NetBSD # ===================================================================== @unittest.skipIf(not NETBSD, "NETBSD only") class NetBSDTestCase(PsutilTestCase): @staticmethod def parse_meminfo(look_for): with open('/proc/meminfo', 'rt') as f: for line in f: if line.startswith(look_for): return int(line.split()[1]) * 1024 raise ValueError("can't find %s" % look_for) # --- virtual mem def test_vmem_total(self): self.assertEqual( psutil.virtual_memory().total, self.parse_meminfo("MemTotal:")) def test_vmem_free(self): self.assertAlmostEqual( psutil.virtual_memory().free, self.parse_meminfo("MemFree:"), delta=TOLERANCE_SYS_MEM) def test_vmem_buffers(self): self.assertAlmostEqual( psutil.virtual_memory().buffers, self.parse_meminfo("Buffers:"), delta=TOLERANCE_SYS_MEM) def test_vmem_shared(self): self.assertAlmostEqual( psutil.virtual_memory().shared, self.parse_meminfo("MemShared:"), delta=TOLERANCE_SYS_MEM) def test_vmem_cached(self): self.assertAlmostEqual( psutil.virtual_memory().cached, self.parse_meminfo("Cached:"), delta=TOLERANCE_SYS_MEM) # --- swap mem def test_swapmem_total(self): self.assertAlmostEqual( psutil.swap_memory().total, self.parse_meminfo("SwapTotal:"), delta=TOLERANCE_SYS_MEM) def test_swapmem_free(self): self.assertAlmostEqual( psutil.swap_memory().free, self.parse_meminfo("SwapFree:"), delta=TOLERANCE_SYS_MEM) def test_swapmem_used(self): smem = psutil.swap_memory() self.assertEqual(smem.used, smem.total - smem.free) # --- others def test_cpu_stats_interrupts(self): with open('/proc/stat', 'rb') as f: for line in f: if line.startswith(b'intr'): interrupts = int(line.split()[1]) break else: raise ValueError("couldn't find line") self.assertAlmostEqual( psutil.cpu_stats().interrupts, interrupts, delta=1000) def test_cpu_stats_ctx_switches(self): with open('/proc/stat', 'rb') as f: for line in f: if line.startswith(b'ctxt'): ctx_switches = int(line.split()[1]) break else: raise ValueError("couldn't find line") self.assertAlmostEqual( psutil.cpu_stats().ctx_switches, ctx_switches, delta=1000) if __name__ == '__main__': from psutil.tests.runner import run_from_name run_from_name(__file__)
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