linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Michael Ellerman <mpe@ellerman.id.au>
To: Shuah Khan <skhan@linuxfoundation.org>,
	Kees Cook <keescook@chromium.org>
Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
	Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH] selftests: Install settings files to fix TIMEOUT failures
Date: Fri, 21 Feb 2020 16:12:27 +1100	[thread overview]
Message-ID: <87o8tsed6s.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <fccfcd8b-628b-9b3d-13b1-6dcda49b4df9@linuxfoundation.org>

Shuah Khan <skhan@linuxfoundation.org> writes:
> On 2/20/20 3:51 PM, Kees Cook wrote:
>> On Thu, Feb 20, 2020 at 03:42:41PM +1100, Michael Ellerman wrote:
>>> Commit 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second
>>> timeout per test") added a 45 second timeout for tests, and also added
>>> a way for tests to customise the timeout via a settings file.
>>>
>>> For example the ftrace tests take multiple minutes to run, so they
>>> were given longer in commit b43e78f65b1d ("tracing/selftests: Turn off
>>> timeout setting").
>>>
>>> This works when the tests are run from the source tree. However if the
>>> tests are installed with "make -C tools/testing/selftests install",
>>> the settings files are not copied into the install directory. When the
>>> tests are then run from the install directory the longer timeouts are
>>> not applied and the tests timeout incorrectly.
>> 
>> Eek, yes, nice catch.
>> 
>>> So add the settings files to TEST_FILES of the appropriate Makefiles
>>> to cause the settings files to be installed using the existing install
>>> logic.
>> 
>> Instead, shouldn't lib.mk "notice" the settings file and automatically
>> include it in TEST_FILES instead of having to do this in each separate
>> Makefile?
>> 
>
> Let's keep it custom per test for now.

Yeah that seems less magical.

FWIW the patch below does work, so it's a small patch, but I'm not sure
it's worth the added complexity vs just listing the file in the few
tests that need it.

cheers


diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 1c8a1963d03f..82086c6ad5e7 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -20,6 +20,10 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
 
+ifeq ($(wildcard settings),settings)
+       TEST_FILES += settings
+endif
+
 ifdef KSFT_KHDR_INSTALL
 top_srcdir ?= ../../../..
 include $(top_srcdir)/scripts/subarch.include

  reply	other threads:[~2020-02-21  5:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-20  4:42 [PATCH] selftests: Install settings files to fix TIMEOUT failures Michael Ellerman
2020-02-20 22:25 ` Joe Lawrence
2020-02-20 22:43   ` Shuah Khan
2020-02-20 22:51 ` Kees Cook
2020-02-20 22:54   ` Shuah Khan
2020-02-21  5:12     ` Michael Ellerman [this message]
2020-02-21 15:19       ` Shuah Khan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87o8tsed6s.fsf@mpe.ellerman.id.au \
    --to=mpe@ellerman.id.au \
    --cc=keescook@chromium.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=skhan@linuxfoundation.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).