晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //usr/lib/python3.6/site-packages/sos/report/plugins/processor.py
# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.

from sos.report.plugins import Plugin, IndependentPlugin, SoSPredicate
from sos.policies.distros.ubuntu import UbuntuPolicy


class Processor(Plugin, IndependentPlugin):

    short_desc = 'CPU information'

    plugin_name = 'processor'
    profiles = ('system', 'hardware', 'memory')
    files = ('/proc/cpuinfo',)
    packages = ('cpufreq-utils', 'cpuid')

    cpu_kmods = []

    def setup(self):

        cpupath = '/sys/devices/system/cpu'

        self.add_file_tags({
            f"{cpupath}/smt/control": 'cpu_smt_control',
            f"{cpupath}/smt/active": 'cpu_smt_active',
            f"{cpupath}/vulnerabilities/.*": 'cpu_vulns',
            f"{cpupath}/vulnerabilities/spectre_v2": 'cpu_vulns_spectre_v2',
            f"{cpupath}/vulnerabilities/meltdown": 'cpu_vulns_meltdown',
            f"{cpupath}/cpu.*/online": 'cpu_cores',
            f"{cpupath}/cpu/cpu0/cpufreq/cpuinfo_max_freq":
                'cpuinfo_max_freq'
        })

        self.add_copy_spec([
            "/proc/cpuinfo",
            "/sys/class/cpuid",
        ])
        # copy /sys/devices/system/cpu/cpuX with separately applied sizelimit
        # this is required for systems with tens/hundreds of CPUs where the
        # cumulative directory size exceeds 25MB or even 100MB.
        cdirs = self.listdir('/sys/devices/system/cpu')
        self.add_copy_spec([
            self.path_join('/sys/devices/system/cpu', cdir) for cdir in cdirs
        ])

        self.add_cmd_output([
            "lscpu",
            "lscpu -ae",
            "cpufreq-info",
            "cpuid",
            "cpuid -r",
        ], cmd_as_tag=True)

        if (isinstance(self.policy, UbuntuPolicy) and
                self.policy.dist_version() >= 20.04):
            self.cpu_kmods = ['msr']

        cpupower_pred = SoSPredicate(self, kmods=self.cpu_kmods)

        self.add_cmd_output([
            "cpupower frequency-info",
            "cpupower info",
            "cpupower idle-info",
        ], cmd_as_tag=True, pred=cpupower_pred)

        self.add_cmd_output("turbostat --debug sleep 10", cmd_as_tag=True,
                            pred=cpupower_pred, timeout=15)

        if '86' in self.policy.get_arch():
            self.add_cmd_output("x86info -a")


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