File Manager

X7ROOT File Manager

Current Path: /usr/lib/python3.6/site-packages/tuned/plugins

usr / lib / python3.6 / site-packages / tuned / plugins /

ðŸ“ ..
ðŸ“„ __init__.py(49 B)
ðŸ“ __pycache__
ðŸ“„ base.py(21.89 KB)
ðŸ“„ decorators.py(983 B)
ðŸ“„ exceptions.py(99 B)
ðŸ“„ hotplug.py(3.84 KB)
ðŸ“ instance
ðŸ“„ plugin_acpi.py(2.39 KB)
ðŸ“„ plugin_audio.py(3.13 KB)
ðŸ“„ plugin_bootloader.py(25.31 KB)
ðŸ“„ plugin_cpu.py(27.56 KB)
ðŸ“„ plugin_disk.py(16.65 KB)
ðŸ“„ plugin_eeepc_she.py(2.88 KB)
ðŸ“„ plugin_irqbalance.py(3.47 KB)
ðŸ“„ plugin_modules.py(4.81 KB)
ðŸ“„ plugin_mounts.py(5.45 KB)
ðŸ“„ plugin_net.py(22.71 KB)
ðŸ“„ plugin_rtentsk.py(1.08 KB)
ðŸ“„ plugin_scheduler.py(54.94 KB)
ðŸ“„ plugin_script.py(3.76 KB)
ðŸ“„ plugin_scsi_host.py(3.08 KB)
ðŸ“„ plugin_selinux.py(2.27 KB)
ðŸ“„ plugin_service.py(10.47 KB)
ðŸ“„ plugin_sysctl.py(6.74 KB)
ðŸ“„ plugin_sysfs.py(2.63 KB)
ðŸ“„ plugin_systemd.py(5.3 KB)
ðŸ“„ plugin_uncore.py(4.61 KB)
ðŸ“„ plugin_usb.py(1.97 KB)
ðŸ“„ plugin_video.py(3.72 KB)
ðŸ“„ plugin_vm.py(3.48 KB)
ðŸ“„ repository.py(1.49 KB)

Editing: plugin_vm.py

from . import base
from .decorators import *
import tuned.logs

import os
import errno
import struct
import glob
from tuned.utils.commands import commands

log = tuned.logs.get()
cmd = commands()

class VMPlugin(base.Plugin):
	"""
	`vm`::
	
	Enables or disables transparent huge pages depending on value of the
	[option]`transparent_hugepages` option. The option can have one of three
	possible values `always`, `madvise` and `never`.
	+
	.Disable transparent hugepages
	====
	----
	[vm]
	transparent_hugepages=never
	----
	====
	+
	The [option]`transparent_hugepage.defrag` option specifies the
	defragmentation policy. Possible values for this option are `always`,
	`defer`, `defer+madvise`, `madvise` and `never`. For a detailed
	explanation of these values refer to
	link:https://www.kernel.org/doc/Documentation/vm/transhuge.txt[Transparent Hugepage Support].
	"""

@classmethod
	def _get_config_options(self):
		return {
			"transparent_hugepages" : None,
			"transparent_hugepage" : None,
			"transparent_hugepage.defrag" : None,
		}

def _instance_init(self, instance):
		instance._has_static_tuning = True
		instance._has_dynamic_tuning = False

def _instance_cleanup(self, instance):
		pass

@classmethod
	def _thp_path(self):
		path = "/sys/kernel/mm/transparent_hugepage"
		if not os.path.exists(path):
			# RHEL-6 support
			path =  "/sys/kernel/mm/redhat_transparent_hugepage"
		return path

@command_set("transparent_hugepages")
	def _set_transparent_hugepages(self, value, sim, remove):
		if value not in ["always", "never", "madvise"]:
			if not sim:
				log.warn("Incorrect 'transparent_hugepages' value '%s'." % str(value))
			return None

cmdline = cmd.read_file("/proc/cmdline", no_error = True)
		if cmdline.find("transparent_hugepage=") > 0:
			if not sim:
				log.info("transparent_hugepage is already set in kernel boot cmdline, ignoring value from profile")
			return None

sys_file = os.path.join(self._thp_path(), "enabled")
		if os.path.exists(sys_file):
			if not sim:
				cmd.write_to_file(sys_file, value, \
					no_error = [errno.ENOENT] if remove else False)
			return value
		else:
			if not sim:
				log.warn("Option 'transparent_hugepages' is not supported on current hardware.")
			return None

# just an alias to transparent_hugepages
	@command_set("transparent_hugepage")
	def _set_transparent_hugepage(self, value, sim, remove):
		self._set_transparent_hugepages(value, sim, remove)

@command_get("transparent_hugepages")
	def _get_transparent_hugepages(self):
		sys_file = os.path.join(self._thp_path(), "enabled")
		if os.path.exists(sys_file):
			return cmd.get_active_option(cmd.read_file(sys_file))
		else:
			return None

# just an alias to transparent_hugepages
	@command_get("transparent_hugepage")
	def _get_transparent_hugepage(self):
		return self._get_transparent_hugepages()

@command_set("transparent_hugepage.defrag")
	def _set_transparent_hugepage_defrag(self, value, sim, remove):
		sys_file = os.path.join(self._thp_path(), "defrag")
		if os.path.exists(sys_file):
			if not sim:
				cmd.write_to_file(sys_file, value, \
					no_error = [errno.ENOENT] if remove else False)
			return value
		else:
			if not sim:
				log.warn("Option 'transparent_hugepage.defrag' is not supported on current hardware.")
			return None

@command_get("transparent_hugepage.defrag")
	def _get_transparent_hugepage_defrag(self):
		sys_file = os.path.join(self._thp_path(), "defrag")
		if os.path.exists(sys_file):
			return cmd.get_active_option(cmd.read_file(sys_file))
		else:
			return None

X7ROOT File Manager

Editing: plugin_vm.py

Upload File

Create Folder