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# 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.plugins import Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin
import os
import glob
class Kernel(Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin):
"""Linux kernel
"""
plugin_name = 'kernel'
profiles = ('system', 'hardware', 'kernel')
verify_packages = ('kernel$',)
sys_module = '/sys/module'
option_list = [
("with-timer", "gather /proc/timer* statistics", "slow", False),
("trace", "gather /sys/kernel/debug/tracing/trace file", "slow", False)
]
def setup(self):
# compat
self.add_cmd_output("uname -a", root_symlink="uname")
self.add_cmd_output("lsmod", root_symlink="lsmod")
self.add_cmd_output("ls -lt /sys/kernel/slab")
try:
modules = os.listdir(self.sys_module)
self.add_cmd_output("modinfo " + " ".join(modules),
suggest_filename="modinfo_ALL_MODULES")
except OSError:
self._log_warn("could not list %s" % self.sys_module)
# find /lib/modules/*/{extras,updates,weak-updates} -ls
extra_mod_patterns = [
"/lib/modules/*/extra",
"/lib/modules/*/updates",
"/lib/modules/*/weak-updates",
]
extra_mod_paths = []
for pattern in extra_mod_patterns:
extra_mod_paths.extend(glob.glob(pattern))
if extra_mod_paths:
self.add_cmd_output("find %s -ls" % " ".join(extra_mod_paths))
self.add_cmd_output([
"dmesg",
"sysctl -a",
"dkms status"
])
clocksource_path = "/sys/devices/system/clocksource/clocksource0/"
# FIXME: provide a a long-term solution for #1299
self.add_forbidden_path([
'/sys/kernel/debug/tracing/trace_pipe',
'/sys/kernel/debug/tracing/README',
'/sys/kernel/debug/tracing/trace_stat',
'/sys/kernel/debug/tracing/per_cpu',
'/sys/kernel/debug/tracing/events',
'/sys/kernel/debug/tracing/free_buffer',
'/sys/kernel/debug/tracing/trace_marker',
'/sys/kernel/debug/tracing/trace_marker_raw',
'/sys/kernel/debug/tracing/instances/*/per_cpu/*/snapshot_raw',
'/sys/kernel/debug/tracing/instances/*/per_cpu/*/trace_pipe*',
'/sys/kernel/debug/tracing/instances/*/trace_pipe'
])
self.add_copy_spec([
"/proc/modules",
"/proc/sys/kernel/random/boot_id",
"/sys/module/*/parameters",
"/sys/module/*/initstate",
"/sys/module/*/refcnt",
"/sys/module/*/taint",
"/sys/module/*/version",
"/sys/firmware/acpi/*",
"/sys/kernel/debug/tracing/*",
"/sys/kernel/livepatch/*",
"/proc/kallsyms",
"/proc/buddyinfo",
"/proc/slabinfo",
"/proc/zoneinfo",
"/lib/modules/%s/modules.dep" % self.policy.kernel_version(),
"/etc/conf.modules",
"/etc/modules.conf",
"/etc/modprobe.conf",
"/etc/modprobe.d",
"/etc/sysctl.conf",
"/etc/sysctl.d",
"/lib/sysctl.d",
"/proc/cmdline",
"/proc/driver",
"/proc/sys/kernel/tainted",
"/proc/softirqs",
"/proc/lock*",
"/proc/misc",
"/var/log/dmesg",
"/sys/fs/pstore",
clocksource_path + "available_clocksource",
clocksource_path + "current_clocksource"
])
if self.get_option("with-timer"):
# This can be very slow, depending on the number of timers,
# and may also cause softlockups
self.add_copy_spec("/proc/timer*")
if not self.get_option("trace"):
self.add_forbidden_path("/sys/kernel/debug/tracing/trace")
# vim: set et ts=4 sw=4 :