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# Copyright 2012 Red Hat Inc.
# Guy Streeter <streeter@redhat.com>
# 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, RedHatPlugin, SoSPredicate
class KernelRT(Plugin, RedHatPlugin):
short_desc = 'Realtime kernel variant'
plugin_name = 'kernelrt'
profiles = ('system', 'hardware', 'kernel', 'mrg')
# this file exists only when the realtime kernel is booted
# this plugin will not be called is this file does not exist
files = ('/sys/kernel/realtime',)
def setup(self):
clocksource_path = '/sys/devices/system/clocksource/clocksource0/'
self.add_copy_spec([
'/etc/rtgroups',
'/proc/sys/kernel/sched_rt_period_us',
'/proc/sys/kernel/sched_rt_runtime_us',
'/sys/kernel/realtime',
clocksource_path + 'available_clocksource',
clocksource_path + 'current_clocksource'
])
# note: rhbz#1059685 'tuna - NameError: global name 'cgroups' is not
# defined this command throws an exception on versions prior to
# 0.10.4-5.
cout = {'cmd': 'tuna --help', 'output': '-P'}
option_present = self.test_predicate(
self, pred=SoSPredicate(self, cmd_outputs=cout)
)
self.add_cmd_output(
f"tuna {'-CP' if option_present else 'show_threads -C'}"
)
# vim: set et ts=4 sw=4 :
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