diff options
Diffstat (limited to 'src/dpdk')
| -rw-r--r-- | src/dpdk/dpdk.py | 78 |
1 files changed, 1 insertions, 77 deletions
diff --git a/src/dpdk/dpdk.py b/src/dpdk/dpdk.py index 3f5333a0..f2f6ec9f 100644 --- a/src/dpdk/dpdk.py +++ b/src/dpdk/dpdk.py @@ -1,4 +1,4 @@ -# Copyright 2015 Intel Corporation. +# Copyright 2015-2016 Intel Corporation. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -21,7 +21,6 @@ DPDK. from sys import platform as _platform import os -import re import subprocess import logging import locale @@ -48,7 +47,6 @@ def init(): _LOGGER.error('Not running on a compatible Linux version. Exiting...') return - _mount_hugepages() _insert_modules() _remove_vhost_net() _bind_nics() @@ -63,7 +61,6 @@ def cleanup(): _unbind_nics() _remove_modules() - _umount_hugepages() _vhost_user_cleanup() @@ -102,79 +99,6 @@ def _is_linux(): return _platform.startswith('linux') and os.path.isdir('/proc') # -# hugepage management -# - - -def _is_hugepage_available(): - """Check if hugepages are available on the system. - """ - hugepage_re = re.compile(r'^HugePages_Free:\s+(?P<num_hp>\d+)$') - - # read in meminfo - with open('/proc/meminfo') as mem_file: - mem_info = mem_file.readlines() - - # first check if module is loaded - for line in mem_info: - result = hugepage_re.match(line) - if not result: - continue - - num_huge = result.group('num_hp') - if not num_huge: - _LOGGER.info('No free hugepages.') - else: - _LOGGER.info('Found \'%s\' free hugepage(s).', num_huge) - return True - - return False - - -def _is_hugepage_mounted(): - """Check if hugepages are mounted. - """ - output = subprocess.check_output(['mount'], shell=True) - my_encoding = locale.getdefaultlocale()[1] - for line in output.decode(my_encoding).split('\n'): - if 'hugetlbfs' in line: - return True - - return False - - -def _mount_hugepages(): - """Ensure hugepages are mounted. - """ - if not _is_hugepage_available(): - return - - if _is_hugepage_mounted(): - return - - if not os.path.exists(settings.getValue('HUGEPAGE_DIR')): - os.makedirs(settings.getValue('HUGEPAGE_DIR')) - try: - tasks.run_task(['sudo', 'mount', '-t', 'hugetlbfs', 'nodev', - settings.getValue('HUGEPAGE_DIR')], - _LOGGER, 'Mounting hugepages...', True) - except subprocess.CalledProcessError: - _LOGGER.error('Unable to mount hugepages.') - - -def _umount_hugepages(): - """Ensure hugepages are unmounted. - """ - if not _is_hugepage_mounted(): - return - - try: - tasks.run_task(['sudo', 'umount', settings.getValue('HUGEPAGE_DIR')], - _LOGGER, 'Unmounting hugepages...', True) - except subprocess.CalledProcessError: - _LOGGER.error('Unable to umount hugepages.') - -# # module management # |