def initialize(self, dir = None, pages_requested = 20):
self.dir = None
self.job.require_gcc()
utils.check_kernel_ver("2.6.16")
# Check huge page number
pages_available = 0
if os.path.exists('/proc/sys/vm/nr_hugepages'):
utils.write_one_line('/proc/sys/vm/nr_hugepages',
str(pages_requested))
nr_hugepages = utils.read_one_line('/proc/sys/vm/nr_hugepages')
pages_available = int(nr_hugepages)
else:
raise error.TestNAError('Kernel does not support hugepages')
if pages_available < pages_requested:
raise error.TestError('%d huge pages available, < %d pages requested' % (pages_available, pages_requested))
# Check if hugetlbfs has been mounted
if not utils.file_contains_pattern('/proc/mounts', 'hugetlbfs'):
if not dir:
dir = os.path.join(self.tmpdir, 'hugetlbfs')
os.makedirs(dir)
utils.system('mount -t hugetlbfs none %s' % dir)
self.dir = dir
def initialize(self, hugetlbfs_dir=None, pages_requested=20):
self.hugetlbfs_dir = None
# check if basic utilities are present
self.job.require_gcc()
utils.check_kernel_ver("2.6.16")
os_dep.library('libpthread.a')
# Check huge page number
pages_available = 0
if os.path.exists('/proc/sys/vm/nr_hugepages'):
utils.write_one_line('/proc/sys/vm/nr_hugepages',
str(pages_requested))
nr_hugepages = utils.read_one_line('/proc/sys/vm/nr_hugepages')
pages_available = int(nr_hugepages)
else:
raise error.TestNAError('Kernel does not support hugepages')
if pages_available < pages_requested:
raise error.TestError('%d pages available, < %d pages requested' %
(pages_available, pages_requested))
# Check if hugetlbfs has been mounted
if not utils.file_contains_pattern('/proc/mounts', 'hugetlbfs'):
if not hugetlbfs_dir:
hugetlbfs_dir = os.path.join(self.tmpdir, 'hugetlbfs')
os.makedirs(hugetlbfs_dir)
utils.system('mount -t hugetlbfs none %s' % hugetlbfs_dir)
self.hugetlbfs_dir = hugetlbfs_dir
def initialize(self, hugetlbfs_dir=None, pages_requested=20):
self.install_required_pkgs()
self.hugetlbfs_dir = None
# check if basic utilities are present
self.job.require_gcc()
utils.check_kernel_ver("2.6.16")
os_dep.library('libpthread.a')
# Check huge page number
pages_available = 0
if os.path.exists('/proc/sys/vm/nr_hugepages'):
utils.write_one_line('/proc/sys/vm/nr_hugepages',
str(pages_requested))
nr_hugepages = utils.read_one_line('/proc/sys/vm/nr_hugepages')
pages_available = int(nr_hugepages)
else:
raise error.TestNAError('Kernel does not support hugepages')
if pages_available < pages_requested:
raise error.TestError('%d pages available, < %d pages requested'
% (pages_available, pages_requested))
# Check if hugetlbfs has been mounted
if not utils.file_contains_pattern('/proc/mounts', 'hugetlbfs'):
if not hugetlbfs_dir:
hugetlbfs_dir = os.path.join(self.tmpdir, 'hugetlbfs')
os.makedirs(hugetlbfs_dir)
utils.system('mount -t hugetlbfs none %s' % hugetlbfs_dir)
self.hugetlbfs_dir = hugetlbfs_dir