golden hour

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

File/Folder	Size	Actions
__init__.py	49 B
__init__.pyc	232 B
__init__.pyo	232 B
base.py	21.7 KB
base.pyc	24.43 KB
base.pyo	24.43 KB
decorators.py	983 B
decorators.pyc	1.52 KB
decorators.pyo	1.52 KB
exceptions.py	99 B
exceptions.pyc	460 B
exceptions.pyo	460 B
hotplug.py	2.97 KB
hotplug.pyc	4.09 KB
hotplug.pyo	4.09 KB
instance	-
plugin_audio.py	2.46 KB
plugin_audio.pyc	4.36 KB
plugin_audio.pyo	4.36 KB
plugin_bootloader.py	12.6 KB
plugin_bootloader.pyc	15.47 KB
plugin_bootloader.pyo	15.47 KB
plugin_cpu.py	12.95 KB
plugin_cpu.pyc	15.46 KB
plugin_cpu.pyo	15.42 KB
plugin_disk.py	13.77 KB
plugin_disk.pyc	16.92 KB
plugin_disk.pyo	16.92 KB
plugin_eeepc_she.py	2.04 KB
plugin_eeepc_she.pyc	3.3 KB
plugin_eeepc_she.pyo	3.3 KB
plugin_modules.py	3.8 KB
plugin_modules.pyc	5.64 KB
plugin_modules.pyo	5.64 KB
plugin_mounts.py	5.17 KB
plugin_mounts.pyc	6.36 KB
plugin_mounts.pyo	6.36 KB
plugin_net.py	14.02 KB
plugin_net.pyc	16.5 KB
plugin_net.pyo	16.5 KB
plugin_scheduler.py	23.2 KB
plugin_scheduler.pyc	25.28 KB
plugin_scheduler.pyo	25.28 KB
plugin_script.py	2.47 KB
plugin_script.pyc	3.77 KB
plugin_script.pyo	3.71 KB
plugin_scsi_host.py	2.59 KB
plugin_scsi_host.pyc	5.01 KB
plugin_scsi_host.pyo	5.01 KB
plugin_selinux.py	1.56 KB
plugin_selinux.pyc	2.96 KB
plugin_selinux.pyo	2.96 KB
plugin_sysctl.py	5.45 KB
plugin_sysctl.pyc	7.33 KB
plugin_sysctl.pyo	7.33 KB
plugin_sysfs.py	2.05 KB
plugin_sysfs.pyc	3.77 KB
plugin_sysfs.pyo	3.77 KB
plugin_systemd.py	4.82 KB
plugin_systemd.pyc	6.87 KB
plugin_systemd.pyo	6.87 KB
plugin_usb.py	1.49 KB
plugin_usb.pyc	3.06 KB
plugin_usb.pyo	3.06 KB
plugin_video.py	2.81 KB
plugin_video.pyc	4.2 KB
plugin_video.pyo	4.2 KB
plugin_vm.py	2.74 KB
plugin_vm.pyc	4.31 KB
plugin_vm.pyo	4.31 KB
repository.py	1.49 KB
repository.pyc	2.46 KB
repository.pyo	2.4 KB

Edit: plugin_vm.py

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