✏️ Editing: function_package2uncores.py Read Only

import os
import fnmatch

from . import base
from tuned.utils.commands import commands
from tuned import logs

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

SYSFS_DIR = "/sys/devices/system/cpu/intel_uncore_frequency/"

class package2uncores(base.Function):
	"""
	Provides uncore device list for a package (socket)
	"""

def __init__(self):
		super(package2uncores, self).__init__("package2uncores", 0)

def execute(self, args):
		if not super(package2uncores, self).execute(args):
			return None

if len(args) <= 0:
			return None

try:
			all_uncores = os.listdir(SYSFS_DIR)
		except OSError:
			return None

# For new TPMI interface use only uncore devices
		tpmi_devices = fnmatch.filter(all_uncores, 'uncore*')
		if len(tpmi_devices) > 0:
			is_tpmi = True
			all_uncores = tpmi_devices
		else:
			is_tpmi = False

devices = []

for uncore in all_uncores:
			if is_tpmi:
				f = SYSFS_DIR + uncore + "/package_id"
				if not os.path.exists(f):
					log.warning("File '%s' does not exist" % f)
					continue

value = cmd.read_file(f)
			else:
				# uncore string is in form: package_NN_die_MM, do not expect more than 99 packages
				value = uncore[8:10]

try:
				package_id = int(value)
			except ValueError:
				log.warning("Invalid package id '%s' for uncore '%s'" % (value, uncore))
				continue

for package_pattern in args:
				try:
					this_package_id = int(package_pattern)
				except ValueError:
					if fnmatch.fnmatch(value, package_pattern):
						devices.append(uncore)
				else:
					if package_id == this_package_id:
						devices.append(uncore)

return ",".join(devices) if len(devices) > 0 else None

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