From: kernel test robot <oliver.sang@intel.com>
To: Enze Li <lienze@kylinos.cn>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<damon@lists.linux.dev>, <linux-mm@kvack.org>, <sj@kernel.org>,
<lienze@kylinos.cn>, <oliver.sang@intel.com>
Subject: Re: [PATCH] mm/damon: make region calculations more precise
Date: Thu, 29 May 2025 13:53:12 +0800 [thread overview]
Message-ID: <202505291314.d61b1bcb-lkp@intel.com> (raw)
In-Reply-To: <20250521070747.1458270-1-lienze@kylinos.cn>
Hello,
kernel test robot noticed "kunit.damon-operations.damon_test_split_evenly.fail" on:
commit: fe301d6b4b4aec003ff84aa4d2860e772b147225 ("[PATCH] mm/damon: make region calculations more precise")
url: https://github.com/intel-lab-lkp/linux/commits/Enze-Li/mm-damon-make-region-calculations-more-precise/20250521-151059
patch link: https://lore.kernel.org/all/20250521070747.1458270-1-lienze@kylinos.cn/
patch subject: [PATCH] mm/damon: make region calculations more precise
in testcase: kunit
version:
with following parameters:
group: group-03
config: x86_64-rhel-9.4-kunit
compiler: gcc-12
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 16G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202505291314.d61b1bcb-lkp@intel.com
[ 109.399987] KTAP version 1
[ 109.403771] # Subtest: damon-operations
[ 109.408675] # module: vaddr
[ 109.408682] 1..6
[ 109.416216] ok 1 damon_test_three_regions_in_vmas
[ 109.416463] ok 2 damon_test_apply_three_regions1
[ 109.422542] ok 3 damon_test_apply_three_regions2
[ 109.428508] ok 4 damon_test_apply_three_regions3
[ 109.434509] ok 5 damon_test_apply_three_regions4
[ 109.440399] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:290
Expected r->ar.end == start + i * expected_width, but
r->ar.end == 16 (0x10)
start + i * expected_width == 15 (0xf)
[ 109.446223] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:288
Expected r->ar.start == start + i++ * expected_width, but
r->ar.start == 16 (0x10)
start + i++ * expected_width == 15 (0xf)
[ 109.473938] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:290
Expected r->ar.end == start + i * expected_width, but
r->ar.end == 27 (0x1b)
start + i * expected_width == 25 (0x19)
[ 109.502332] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:288
Expected r->ar.start == start + i++ * expected_width, but
r->ar.start == 27 (0x1b)
start + i++ * expected_width == 25 (0x19)
[ 109.530150] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:290
Expected r->ar.end == start + i * expected_width, but
r->ar.end == 38 (0x26)
start + i * expected_width == 35 (0x23)
[ 109.558624] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:288
Expected r->ar.start == start + i++ * expected_width, but
r->ar.start == 38 (0x26)
start + i++ * expected_width == 35 (0x23)
[ 109.586405] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:290
Expected r->ar.end == start + i * expected_width, but
r->ar.end == 49 (0x31)
start + i * expected_width == 45 (0x2d)
[ 109.614882] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:283
Expected r->ar.start == start + i * expected_width, but
r->ar.start == 49 (0x31)
start + i * expected_width == 45 (0x2d)
[ 109.642682] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:290
Expected r->ar.end == start + i * expected_width, but
r->ar.end == 2 (0x2)
start + i * expected_width == 1 (0x1)
[ 109.670817] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:283
Expected r->ar.start == start + i * expected_width, but
r->ar.start == 2 (0x2)
start + i * expected_width == 1 (0x1)
[ 109.698255] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:256
Expected damon_va_evenly_split_region(t, r, nr_pieces) == -22, but
damon_va_evenly_split_region(t, r, nr_pieces) == 0 (0x0)
[ 109.751585] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:258
Expected damon_nr_regions(t) == 1u, but
damon_nr_regions(t) == 2 (0x2)
1u == 1 (0x1)
[ 109.751634] # damon_test_split_evenly: EXPECTATION FAILED at mm/damon/tests/vaddr-kunit.h:261
Expected r->ar.start == start, but
r->ar.start == 6 (0x6)
start == 5 (0x5)
[ 109.776758] not ok 6 damon_test_split_evenly
[ 109.800835] # damon-operations: pass:5 fail:1 skip:0 total:6
[ 109.806182] # Totals: pass:5 fail:1 skip:0 total:6
[ 109.812563] not ok 4 damon-operations
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250529/202505291314.d61b1bcb-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-05-29 5:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-21 7:07 [PATCH] mm/damon: make region calculations more precise Enze Li
2025-05-21 17:18 ` SeongJae Park
2025-05-22 1:53 ` Enze Li
2025-05-22 17:16 ` SeongJae Park
2025-05-29 5:53 ` kernel test robot [this message]
2025-05-29 16:41 ` SeongJae Park
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=202505291314.d61b1bcb-lkp@intel.com \
--to=oliver.sang@intel.com \
--cc=damon@lists.linux.dev \
--cc=lienze@kylinos.cn \
--cc=linux-mm@kvack.org \
--cc=lkp@intel.com \
--cc=oe-lkp@lists.linux.dev \
--cc=sj@kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.