vm_hugetlb_selftests: hugetlb kernel selftests execution in guest

Creates a new test case that executes the hugetlb selftests from the kernel source package that has been previosuly prepared during the guest installation, to ensure the correct behavior of this feature at the VM level. Signed-off-by: mcasquer <[email protected]>
autotest · Sep 3, 2024 · 083e5ca · 083e5ca
1 parent 050920b
commit 083e5ca
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diff --git a/qemu/tests/cfg/vm_hugetlb_selftests.cfg b/qemu/tests/cfg/vm_hugetlb_selftests.cfg
@@ -0,0 +1,7 @@
+- vm_hugetlb_selftests:
+    only Linux
+    only x86_64
+    type = vm_hugetlb_selftests
+    virt_test_type = qemu
+    setup_hugepages = yes
+    kernel_path = "/home/kernel"
diff --git a/qemu/tests/vm_hugetlb_selftests.py b/qemu/tests/vm_hugetlb_selftests.py
@@ -0,0 +1,25 @@
+from virttest import error_context
+
+
+@error_context.context_aware
+def run(test, params, env):
+    """
+    vm_hugetlb_selftests test
+    1) Execute the hugetlb kernel selftests
+    :param test: QEMU test object
+    :param params: Dictionary with the test parameters
+    :param env: Dictionary with test environment
+    """
+    vm = env.get_vm(params["main_vm"])
+    vm.verify_alive()
+    session = vm.wait_for_login()
+    kernel_path = params.get("kernel_path", "/home/kernel")
+
+    error_context.base_context("Execute the hugetlb selftests", test.log.info)
+    session.cmd("cd %s" % kernel_path)
+    session.cmd("cd linux-*/tools/testing/selftests/mm")
+    s, o = session.cmd_status_output("sh run_vmtests.sh -t hugetlb", 180)
+    if s != 0:
+        test.fail("Error during hugetlb selftests execution: %s" % o)
+
+    error_context.context("The hugetlb tests results: %s" % o, test.log.debug)