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[v7,14/14] runtime_test: Add rust-out-of-tree selftest

Message ID 20260304174324.1186644-15-Harish.Sadineni@windriver.com
State Under Review
Headers show
Series Enable rust support for linux kernel | expand

Commit Message

Harish Sadineni March 4, 2026, 5:43 p.m. UTC 
From: Yoann Congal <yoann.congal@smile.fr>

This new case tests that the rust-out-of-tree-module recipe compiles and
run properly: check that the dmesg output is as expected.

Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
---
 meta/lib/oeqa/selftest/cases/runtime_test.py | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)
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Patch

diff --git a/meta/lib/oeqa/selftest/cases/runtime_test.py b/meta/lib/oeqa/selftest/cases/runtime_test.py
index 6b7cd45684..463dcc5396 100644
--- a/meta/lib/oeqa/selftest/cases/runtime_test.py
+++ b/meta/lib/oeqa/selftest/cases/runtime_test.py
@@ -493,8 +493,11 @@  class RustKernel(OESelftestTestCase):
             self.write_config(textwrap.dedent("""
                 KERNEL_RUST_SUPPORT = 'True'
                 KERNEL_EXTRA_FEATURES:append = ' features/kernel-sample/kernel-rust-sample.scc'
-                CORE_IMAGE_EXTRA_INSTALL += "kernel-module-rust-minimal"
+                CORE_IMAGE_EXTRA_INSTALL += "kernel-module-rust-minimal kernel-module-rust-out-of-tree"
             """))
+
+            runCmd('bitbake-layers add-layer %s' % os.path.join(get_bb_var("COREBASE"), 'meta-skeleton'))
+            self.add_command_to_tearDown('bitbake-layers remove-layer */meta-skeleton')
             bitbake(self.image)
 
             with runqemu(self.image, runqemuparams = "nographic") as qemu:
@@ -508,3 +511,14 @@  class RustKernel(OESelftestTestCase):
                 _, output = qemu.run_serial("dmesg")
                 self.logger.debug(f"rust_minimal dmesg output:\n" + textwrap.indent(output, "  "))
                 self.assertIn("Rust minimal sample", output, "Kernel Rust sample expected output not found in dmesg")
+
+                qemu.run_serial("dmesg -c > /dev/null")
+                status, _ = qemu.run_serial("modprobe rust_out_of_tree")
+                #Disable status check due to intermittent failures on armhost/qemuarm64.
+                #The module loads successfully, but qemu.run_serial() occasionally
+                #returns an incorrect status.
+                #Bug report: https://bugzilla.yoctoproject.org/show_bug.cgi?id=16189
+                #self.assertEqual(status, 1, "Loading rust_out_of_tree module failed!")
+                _, output = qemu.run_serial("dmesg")
+                self.logger.debug(f"rust_out_of_tree dmesg output:\n" + textwrap.indent(output, "  "))
+                self.assertIn("Rust out-of-tree sample", output, "Out-of-tree Rust sample expected output not found in dmesg")