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[RFC,v4,11/11] selftest/cases/runtime_test: Add test for Linux Rust sample

Message ID 20251120152649.1128685-12-Harish.Sadineni@windriver.com
State New
Headers show
Series Enable rust support for linux kernel | expand

Commit Message

Harish Sadineni Nov. 20, 2025, 3:26 p.m. UTC 
From: Yoann Congal <yoann.congal@smile.fr>

This new case tests that the rust_mininal sample inside the kernel source
tree is buildable and works properly: check that the module can be
loaded and that it prints correctly.

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 | 24 ++++++++++++++++++++
 1 file changed, 24 insertions(+)
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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 d58ffa80f5..66cb112a7c 100644
--- a/meta/lib/oeqa/selftest/cases/runtime_test.py
+++ b/meta/lib/oeqa/selftest/cases/runtime_test.py
@@ -481,3 +481,27 @@  IMAGE_INSTALL:append = " systemtap-runtime"
                 cmd = "crosstap -r root@192.168.7.2 -s %s/process/ syscalls_by_pid.stp" % systemtap_examples
                 result = runCmd(cmd)
                 self.assertEqual(0, result.status, 'crosstap  syscalls_by_pid returned a non 0 status:%s' % result.output)
+
+@OETestTag("runqemu")
+class RustKernel(OESelftestTestCase):
+        @classmethod
+        def setUpClass(cls):
+            super(RustKernel, cls).setUpClass()
+            cls.image = "core-image-minimal"
+
+        def test_kernel_rust_sample(self):
+            import textwrap
+            self.write_config(textwrap.dedent("""
+                DISTRO_FEATURES:append = ' rust-kernel'
+                CORE_IMAGE_EXTRA_INSTALL += "kernel-module-rust-minimal"
+            """))
+            bitbake(self.image)
+
+            with runqemu(self.image, runqemuparams = "nographic") as qemu:
+                qemu.run_serial("dmesg -c > /dev/null")
+                status, _ = qemu.run_serial("modprobe rust_minimal")
+                self.assertEqual(status, 1, "Loading rust_minimal module failed!")
+                _, 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")
+