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[meta-lts-mixins,kirkstone/rust,10/11] oeqa/selftest/rust: strip debug symbols from test binaries

Message ID 5bbdbc6f938aae72a40f25ff7c9e2c34855840da.1762632742.git.scott.murray@konsulko.com
State New
Headers show
Series Update to Rust 1.90.0 | expand

Commit Message

Scott Murray Nov. 8, 2025, 8:15 p.m. UTC 
From: Peter Tatrai <peter.tatrai.ext@siemens.com>

Strip debug symbols from test binaries using RUSTFLAGS='-C strip=debuginfo'
to reduce binary sizes from 300+ MB to ~140 MB.

This is especially critical for PowerPC mac99 which has a hardcoded 768MB
RAM limit in QEMU. Without stripping, test binaries uploaded to /tmp (tmpfs)
cause 'No space left on device' errors during test execution.

The size reduction also benefits all other architectures by reducing
memory pressure and upload times during testing.

Signed-off-by: Peter Tatrai <peter.tatrai.ext@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(adapted from oe-core commit ede3ac6f587507f98ffbe9a8b07e21e57c27c986)
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
---
 lib/oeqa/selftest/cases/rust_mixin.py | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/lib/oeqa/selftest/cases/rust_mixin.py b/lib/oeqa/selftest/cases/rust_mixin.py
index 95859a9..b7213f9 100644
--- a/lib/oeqa/selftest/cases/rust_mixin.py
+++ b/lib/oeqa/selftest/cases/rust_mixin.py
@@ -121,6 +121,9 @@  class RustSelfTestSystemEmulated(OESelftestTestCase, OEPTestResultTestCase):
             cmd = "export TARGET_VENDOR=\"-poky\";"
             cmd = cmd + " export PATH=%s/recipe-sysroot-native/usr/bin/python3-native:%s/recipe-sysroot-native/usr/bin:%s/recipe-sysroot-native/usr/bin/%s:%s/hosttools:$PATH;" % (rustlibpath, rustlibpath, rustlibpath, tcpath, tmpdir)
             cmd = cmd + " export RUST_TARGET_PATH=%s/rust-targets;" % rustlibpath
+            # Strip debug symbols from test binaries to reduce size (300+ MB -> ~140 MB)
+            # PowerPC mac99 QEMU has 768MB RAM limit, so we need to minimize test binary sizes
+            cmd = cmd + " export RUSTFLAGS='-C strip=debuginfo';"
             # Trigger testing.
             cmd = cmd + " export TEST_DEVICE_ADDR=\"%s:12345\";" % qemu.ip
             cmd = cmd + " cd %s; python3 src/bootstrap/bootstrap.py test %s --target %s" % (builddir, testargs, targetsys)