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List:       openembedded-core
Subject:    Re: [OE-core] [PATCH v6] Rust Oe-Selftest implementation
From:       "Luca Ceresoli via lists.openembedded.org" <luca.ceresoli=bootlin.com () lists ! open
Date:       2022-05-31 13:05:29
Message-ID: 20220531150529.705390b9 () melee
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Hi Pgowda,

Il giorno Wed, 25 May 2022 09:57:48 +0200
"Luca Ceresoli via lists.openembedded.org"
<luca.ceresoli=bootlin.com@lists.openembedded.org> ha scritto:

> Pgowda,
> 
> Il giorno Tue, 24 May 2022 21:32:58 -0700
> "Pgowda" <pgowda.cve@gmail.com> ha scritto:
> 
> > The patch implements Rust testing framework similar to other selftest,
> > specifically the gcc selftest in OE. It uses the client and server
> > based method to test the binaries for cross-target on the image.
> > The test framework is a wrapper around the Rust build system as ./x.py
> > test.
> > It tests many functionalities of Rust distribution like tools,
> > documentation, libraries, packages, tools, Cargo, Crater etc.
> > Please refer the following link for detailed description of Rust
> > testing:-
> > https://rustc-dev-guide.rust-lang.org/tests/intro.html#tool-tests
> > 
> > To support the rust tests in oe-core, the following functions were
> > added:-
> > setup_cargo_environment(): Build bootstrap and some early stage tools.
> > do_rust_setup_snapshot(): Install the snapshot version of rust
> > binaries. do_configure(): To generate config.toml
> > do_compile(): To build "remote-test-server" for qemu target image.
> > 
> > Approximate Number of Tests Run in the Rust Testsuite :- 18000
> > Approximate Number of Tests that FAIL in bitbake environment :-
> > 100-150 Normally majority of the testcases are present in major
> > folder "test/" It contributes to more than 80% of the testcases
> > present in Rust test framework. These tests pass as expected on any
> > Rust versions without much fuss. The tests that fail are of less
> > important and contribute to less than 2% of the total testcases.
> > These minor tests are observed to work on some versions and fail on
> > others. They have to be added, ignored or excluded for different
> > versions as per the behavior. These tests have been ignored or
> > excluded in the Rust selftest environment to generate success of
> > completing the testsuite.
> > 
> > These tests work in parallel mode even in the skipped test mode as
> > expected. Although the patch to disable tests is large, it is very
> > simple in that it only disables tests. When updating to a newer
> > version of Rust, the patch can usually be ported in a day.
> > 
> > Signed-off-by: pgowda <pgowda.cve@gmail.com>
> > Signed-off-by: Vinay Kumar <vinay.m.engg@gmail.com>
> > ---
> >  meta/conf/distro/include/maintainers.inc      |   1 +
> >  meta/lib/oeqa/selftest/cases/rust.py          |  57 +++
> >  meta/recipes-devtools/rust/rust-common.inc    |   1 -
> >  meta/recipes-devtools/rust/rust-testsuite.inc | 163 +++++++
> >  .../rust-testsuite/rust-oe-selftest.patch     | 417
> > ++++++++++++++++++ .../rust/rust-testsuite_1.60.0.bb             |
> > 3 + 6 files changed, 641 insertions(+), 1 deletion(-)
> >  create mode 100644 meta/lib/oeqa/selftest/cases/rust.py
> >  create mode 100644 meta/recipes-devtools/rust/rust-testsuite.inc
> >  create mode 100644
> > meta/recipes-devtools/rust/rust-testsuite/rust-oe-selftest.patch
> > create mode 100644 meta/recipes-devtools/rust/rust-testsuite_1.60.0.bb
> > 
> > diff --git a/meta/conf/distro/include/maintainers.inc
> > b/meta/conf/distro/include/maintainers.inc index
> > 3990d1d507..cecb02b1c6 100644 ---
> > a/meta/conf/distro/include/maintainers.inc +++
> > b/meta/conf/distro/include/maintainers.inc @@ -719,6 +719,7 @@
> > RECIPE_MAINTAINER:pn-rust-crosssdk-${SDK_ARCH}-glibc = "Randy MacLeod
> > <Randy.Mac
> > RECIPE_MAINTAINER:pn-rust-cross-canadian-${TRANSLATED_TARGET_ARCH} =
> > "Randy MacLeod <Randy.MacLeod@windriver.com>"
> > RECIPE_MAINTAINER:pn-rust-hello-world = "Randy MacLeod
> > <Randy.MacLeod@windriver.com>" RECIPE_MAINTAINER:pn-rust-llvm =
> > "Randy MacLeod <Randy.MacLeod@windriver.com>"
> > +RECIPE_MAINTAINER:pn-rust-testsuite = "Randy MacLeod
> > <Randy.MacLeod@windriver.com>"
> > RECIPE_MAINTAINER:pn-rust-tools-cross-canadian-${TRANSLATED_TARGET_ARCH}
> > = "Randy MacLeod <Randy.MacLeod@windriver.com>"
> > RECIPE_MAINTAINER:pn-rxvt-unicode = "Unassigned
> > <unassigned@yoctoproject.org>" RECIPE_MAINTAINER:pn-sato-screenshot =
> > "Ross Burton <ross.burton@arm.com>" diff --git
> > a/meta/lib/oeqa/selftest/cases/rust.py
> > b/meta/lib/oeqa/selftest/cases/rust.py new file mode 100644 index
> > 0000000000..a37e3e37c5 --- /dev/null +++
> > b/meta/lib/oeqa/selftest/cases/rust.py @@ -0,0 +1,57 @@ +#
> > SPDX-License-Identifier: MIT +import os +import subprocess +from
> > oeqa.core.decorator import OETestTag +from oeqa.core.case import
> > OEPTestResultTestCase +from oeqa.selftest.case import
> > OESelftestTestCase +from oeqa.utils.commands import runCmd, bitbake,
> > get_bb_var, get_bb_vars, runqemu, Command +from oeqa.utils.sshcontrol
> > import SSHControl + +# Total time taken for testing is of about 2hr
> > 20min, with PARALLEL_MAKE set to 40 number of jobs. +class
> > RustSelfTestBase(OESelftestTestCase, OEPTestResultTestCase): +
> > +       def run_check_emulated(self, *args, **kwargs):
> > +               # build remote-test-server before image build  
> 
> Weird indentation here, 7 spaces for level 1, 15 for level 2... v5 had
> a much cleaner tab-based indentation. Is it possible that you
> manipulated the patch manually? It's a bad idea, I hurt myself a few
> times when I used to do that! :) I recommend using plain 'git
> format-patch' / 'git send-email'.
> 
> You should resend with a 4-spaces indentation, which is the Python
> standard. However I'm taking the patch anyway for testing, so it's
> more efficient if you just wait for the test results before resending,
> so you can also include any bugfixes (if needed) in your next iteration.

In addition to the above comments, this patch is causing intermittent
failures, as noted on this bug:

https://bugzilla.yoctoproject.org/show_bug.cgi?id=14818

So far it has failed only when building on CentOS and Fedora hosts.
Hopefully this will help you reproduce and fix the problem.

-- 
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com


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