/usr/lib/python3.6/site-packages/tuned/plugins
NameSizeModeActions
instance/-0755rm
__pycache__/-0755rm
base.py224170644editdlrm
decorators.py9830644editdlrm
exceptions.py990644editdlrm
hotplug.py39280644editdlrm
plugin_acpi.py24460644editdlrm
plugin_audio.py32090644editdlrm
plugin_bootloader.py259140644editdlrm
plugin_cpu.py282180644editdlrm
plugin_disk.py170490644editdlrm
plugin_eeepc_she.py29470644editdlrm
plugin_irqbalance.py35540644editdlrm
plugin_modules.py49250644editdlrm
plugin_mounts.py55800644editdlrm
plugin_net.py232520644editdlrm
plugin_rtentsk.py11090644editdlrm
plugin_scheduler.py562550644editdlrm
plugin_script.py38520644editdlrm
plugin_scsi_host.py31530644editdlrm
plugin_selinux.py23200644editdlrm
plugin_service.py107210644editdlrm
plugin_sysctl.py69060644editdlrm
plugin_sysfs.py26940644editdlrm
plugin_systemd.py54280644editdlrm
plugin_uncore.py47230644editdlrm
plugin_usb.py20150644editdlrm
plugin_video.py38070644editdlrm
plugin_vm.py35610644editdlrm
repository.py15300644editdlrm
__init__.py490644editdlrm
Edit: /usr/lib/python3.6/site-packages/tuned/plugins/plugin_selinux.py (2320B)
import os import errno from . import base from .decorators import * import tuned.logs from tuned.plugins import exceptions from tuned.utils.commands import commands log = tuned.logs.get() class SelinuxPlugin(base.Plugin): """ `selinux`:: Plug-in for tuning SELinux options. + SELinux decisions, such as allowing or denying access, are cached. This cache is known as the Access Vector Cache (AVC). When using these cached decisions, SELinux policy rules need to be checked less, which increases performance. The [option]`avc_cache_threshold` option allows adjusting the maximum number of AVC entries. + NOTE: Prior to changing the default value, evaluate the system performance with care. Increasing the value could potentially decrease the performance by making AVC slow. + .Increase the AVC cache threshold for hosts with containers. ==== ---- [selinux] avc_cache_threshold=8192 ---- ==== """ @classmethod def _get_selinux_path(self): path = "/sys/fs/selinux" if not os.path.exists(path): path = "/selinux" if not os.path.exists(path): path = None return path def __init__(self, *args, **kwargs): self._cmd = commands() self._selinux_path = self._get_selinux_path() if self._selinux_path is None: raise exceptions.NotSupportedPluginException("SELinux is not enabled on your system or incompatible version is used.") self._cache_threshold_path = os.path.join(self._selinux_path, "avc", "cache_threshold") super(SelinuxPlugin, self).__init__(*args, **kwargs) @classmethod def _get_config_options(self): return { "avc_cache_threshold" : None, } def _instance_init(self, instance): instance._has_static_tuning = True instance._has_dynamic_tuning = False def _instance_cleanup(self, instance): pass @command_set("avc_cache_threshold") def _set_avc_cache_threshold(self, value, sim, remove): if value is None: return None threshold = int(value) if threshold >= 0: if not sim: self._cmd.write_to_file(self._cache_threshold_path, threshold, \ no_error = [errno.ENOENT] if remove else False) return threshold else: return None @command_get("avc_cache_threshold") def _get_avc_cache_threshold(self): value = self._cmd.read_file(self._cache_threshold_path) if len(value) > 0: return int(value) return None