[KVM_AUTOTEST] add autotest.libhugetlbfs test

["Lukáš Doktor" <ldoktor@redhat.com>]

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After discussion I split the patches.

this patch adds autotest.libhugetlbfs test which tests hugepage support 
inside of kvm guest.

Tested by:ldoktor@redhat.com on RHEL5.4 with kvm-83-72.el5

Dne 9.7.2009 11:24, Lukáš Doktor napsal(a):
> This patch adds kvm_hugepage variant. It prepares the host system and
> start vm with -mem-path option. It does not clean after itself, because
> it's impossible to unmount and free hugepages before all guests are
> destroyed.
>
> There is also added autotest.libhugetlbfs test.
>
> I need to ask you what to do with change of qemu parameter. Newest
> versions are using -mempath insted of -mem-path. This is impossible to
> fix using current config file. I can see 2 solutions:
> 1) direct change in kvm_vm.py (parse output and try another param)
> 2) detect qemu capabilities outside and create additional layer (better
> for future occurrence)
>
> Tested by:ldoktor@redhat.com on RHEL5.4 with kvm-83-72.el5



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diff -Narup orig/client/tests/kvm/autotest_control/libhugetlbfs.control new/client/tests/kvm/autotest_control/libhugetlbfs.control
--- orig/client/tests/kvm/autotest_control/libhugetlbfs.control	1970-01-01 01:00:00.000000000 +0100
+++ new/client/tests/kvm/autotest_control/libhugetlbfs.control	2009-07-08 13:18:07.000000000 +0200
@@ -0,0 +1,13 @@
+AUTHOR = 'aganti@google.com (Ashwin Ganti)'
+TIME = 'MEDIUM'
+NAME = 'libhugetlbfs test'
+TEST_TYPE = 'client'
+TEST_CLASS = 'Kernel'
+TEST_CATEGORY = 'Functional'
+
+DOC = '''
+Tests basic huge pages functionality when using libhugetlbfs. For more info
+about libhugetlbfs see http://libhugetlbfs.ozlabs.org/
+'''
+
+job.run_test('libhugetlbfs', dir='/mnt')
diff -Narup orig/client/tests/kvm/kvm_tests.cfg.sample new/client/tests/kvm/kvm_tests.cfg.sample
--- orig/client/tests/kvm/kvm_tests.cfg.sample	2009-07-08 13:18:07.000000000 +0200
+++ new/client/tests/kvm/kvm_tests.cfg.sample	2009-07-09 10:15:58.000000000 +0200
@@ -79,6 +79,9 @@ variants:
             - bonnie:
                 test_name = bonnie
                 test_control_file = bonnie.control
+            - libhugetlbfs:
+                test_name = libhugetlbfs
+                test_control_file = libhugetlbfs.control
 
     - linux_s3:      install setup
         type = linux_s3