ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib / python2.7 / site-packages / tuned / plugins

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

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

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

class VMPlugin(base.Plugin):
	"""
	Plugin for tuning memory management.
	"""

@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):
		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, ingoring 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)
			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):
		self._set_transparent_hugepages(value, sim)

@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):
		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)
			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

[-] plugin_script.pyo [edit]
[-] hotplug.py [edit]
[-] plugin_net.pyo [edit]
[-] __init__.pyo [edit]
[-] repository.pyo [edit]
[-] plugin_systemd.pyc [edit]
[-] plugin_systemd.pyo [edit]
[-] plugin_net.pyc [edit]
[-] base.pyo [edit]
[-] plugin_mounts.pyc [edit]
[-] plugin_cpu.pyo [edit]
[-] plugin_sysctl.pyo [edit]
[-] hotplug.pyc [edit]
[-] repository.py [edit]
[-] exceptions.py [edit]
[+] ..
[-] plugin_vm.pyc [edit]
[-] plugin_selinux.py [edit]
[-] plugin_sysfs.pyo [edit]
[-] plugin_mounts.pyo [edit]
[-] exceptions.pyc [edit]
[-] plugin_video.py [edit]
[-] plugin_bootloader.pyc [edit]
[-] decorators.pyo [edit]
[-] __init__.pyc [edit]
[-] plugin_sysfs.py [edit]
[-] plugin_usb.pyc [edit]
[-] plugin_scsi_host.py [edit]
[-] exceptions.pyo [edit]
[-] plugin_scheduler.pyo [edit]
[-] plugin_disk.pyc [edit]
[-] plugin_modules.py [edit]
[-] plugin_eeepc_she.pyc [edit]
[-] base.py [edit]
[-] plugin_selinux.pyc [edit]
[-] plugin_usb.pyo [edit]
[-] plugin_script.py [edit]
[-] hotplug.pyo [edit]
[-] plugin_cpu.py [edit]
[-] plugin_cpu.pyc [edit]
[-] plugin_modules.pyo [edit]
[-] plugin_script.pyc [edit]
[-] decorators.pyc [edit]
[-] plugin_sysctl.py [edit]
[-] plugin_scheduler.py [edit]
[-] plugin_systemd.py [edit]
[-] plugin_mounts.py [edit]
[-] repository.pyc [edit]
[-] base.pyc [edit]
[-] plugin_sysfs.pyc [edit]
[-] plugin_audio.py [edit]
[-] plugin_scsi_host.pyo [edit]
[-] plugin_vm.pyo [edit]
[-] plugin_bootloader.py [edit]
[-] plugin_selinux.pyo [edit]
[+] instance
[-] plugin_modules.pyc [edit]
[-] plugin_eeepc_she.py [edit]
[-] plugin_vm.py [edit]
[-] plugin_bootloader.pyo [edit]
[-] plugin_scsi_host.pyc [edit]
[-] __init__.py [edit]
[-] plugin_audio.pyo [edit]
[-] decorators.py [edit]
[-] plugin_audio.pyc [edit]
[-] plugin_scheduler.pyc [edit]
[-] plugin_sysctl.pyc [edit]
[-] plugin_video.pyc [edit]
[-] plugin_disk.py [edit]
[-] plugin_disk.pyo [edit]
[-] plugin_eeepc_she.pyo [edit]
[-] plugin_net.py [edit]
[-] plugin_video.pyo [edit]
[-] plugin_usb.py [edit]