mbligh | 9f85792 | 2008-06-05 16:19:07 +0000 | [diff] [blame] | 1 | import re, os |
mbligh | 34d0117 | 2008-06-05 16:26:31 +0000 | [diff] [blame] | 2 | from autotest_lib.client.bin import autotest_utils, test |
mbligh | 9f85792 | 2008-06-05 16:19:07 +0000 | [diff] [blame] | 3 | from autotest_lib.client.common_lib import utils, error |
mbligh | 62eaf66 | 2006-09-30 15:58:59 +0000 | [diff] [blame] | 4 | |
| 5 | class libhugetlbfs(test.test): |
jadmanski | e80d471 | 2008-10-03 16:15:59 +0000 | [diff] [blame^] | 6 | version = 6 |
mbligh | 62eaf66 | 2006-09-30 15:58:59 +0000 | [diff] [blame] | 7 | |
mbligh | a57e5ab | 2008-08-27 19:58:08 +0000 | [diff] [blame] | 8 | def initialize(self, dir = None, pages_requested = 20): |
mbligh | c5ddfd1 | 2008-08-04 17:15:00 +0000 | [diff] [blame] | 9 | self.job.require_gcc() |
jadmanski | e80d471 | 2008-10-03 16:15:59 +0000 | [diff] [blame^] | 10 | |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 11 | autotest_utils.check_kernel_ver("2.6.16") |
mbligh | f1e7c3f | 2008-02-14 16:19:12 +0000 | [diff] [blame] | 12 | |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 13 | # Check huge page number |
| 14 | pages_available = 0 |
| 15 | if os.path.exists('/proc/sys/vm/nr_hugepages'): |
| 16 | utils.write_one_line('/proc/sys/vm/nr_hugepages', |
| 17 | str(pages_requested)) |
mbligh | 8b35285 | 2008-06-07 01:07:08 +0000 | [diff] [blame] | 18 | nr_hugepages = utils.read_one_line('/proc/sys/vm/nr_hugepages') |
| 19 | pages_available = int(nr_hugepages) |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 20 | else: |
| 21 | raise error.TestNAError('Kernel does not support hugepages') |
jadmanski | 153cc8b | 2008-05-20 19:57:47 +0000 | [diff] [blame] | 22 | |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 23 | if pages_available < pages_requested: |
| 24 | raise error.TestError('%d huge pages available, < %d pages requested' % (pages_available, pages_requested)) |
mbligh | f1e7c3f | 2008-02-14 16:19:12 +0000 | [diff] [blame] | 25 | |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 26 | # Check if hugetlbfs has been mounted |
| 27 | if not autotest_utils.file_contains_pattern('/proc/mounts', 'hugetlbfs'): |
| 28 | if not dir: |
| 29 | dir = os.path.join(self.tmpdir, 'hugetlbfs') |
| 30 | os.makedirs(dir) |
| 31 | utils.system('mount -t hugetlbfs none %s' % dir) |
mbligh | a57e5ab | 2008-08-27 19:58:08 +0000 | [diff] [blame] | 32 | self.dir = dir |
mbligh | f1e7c3f | 2008-02-14 16:19:12 +0000 | [diff] [blame] | 33 | |
mbligh | a57e5ab | 2008-08-27 19:58:08 +0000 | [diff] [blame] | 34 | |
mbligh | 4b84952 | 2008-09-16 16:29:24 +0000 | [diff] [blame] | 35 | # http://libhugetlbfs.ozlabs.org/releases/libhugetlbfs-2.0.tar.gz |
| 36 | def setup(self, tarball = 'libhugetlbfs-2.0.tar.gz'): |
mbligh | a57e5ab | 2008-08-27 19:58:08 +0000 | [diff] [blame] | 37 | tarball = utils.unmap_url(self.bindir, tarball, self.tmpdir) |
| 38 | autotest_utils.extract_tarball_to_dir(tarball, self.srcdir) |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 39 | os.chdir(self.srcdir) |
mbligh | 62eaf66 | 2006-09-30 15:58:59 +0000 | [diff] [blame] | 40 | |
mbligh | a57e5ab | 2008-08-27 19:58:08 +0000 | [diff] [blame] | 41 | # make might fail if there are no proper headers for the 32 bit |
| 42 | # version, in that case try only for the 64 bit version |
| 43 | try: |
| 44 | utils.system('make') |
| 45 | except: |
| 46 | utils.system('make OBJDIRS=obj64') |
| 47 | |
| 48 | |
| 49 | def run_once(self): |
| 50 | os.chdir(self.srcdir) |
jadmanski | 0afbb63 | 2008-06-06 21:10:57 +0000 | [diff] [blame] | 51 | # make check might fail for 32 bit if the 32 bit compile earlier |
| 52 | # had failed. See if it passes for 64 bit in that case. |
| 53 | try: |
| 54 | utils.system('make check') |
| 55 | except: |
| 56 | utils.system('make check OBJDIRS=obj64') |
mbligh | 62eaf66 | 2006-09-30 15:58:59 +0000 | [diff] [blame] | 57 | |
mbligh | a57e5ab | 2008-08-27 19:58:08 +0000 | [diff] [blame] | 58 | |
| 59 | def cleanup(self): |
| 60 | utils.system('umount %s' % self.dir) |