Received-SPF: pass (google.com: domain of linux-kernel+bounces-38077-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1;
Date: Thu, 25 Jan 2024 15:34:37 +0800
From: kernel test robot <oliver.sang@intel.com>
To: Catalin Marinas <catalin.marinas@arm.com>
CC: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>, Waiman Long <longman@redhat.com>,
	<linux-mm@kvack.org>, <oliver.sang@intel.com>
Subject: [linus:master] [kmemleak]  39042079a0:
 kernel-selftests.kvm.memslot_perf_test.fail
Message-ID: <202401251429.d3dea02b-oliver.sang@intel.com>
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?AMrDzFIqxC8GwHMluLC/FBnl9k8PPXy5ubb4bzn8vHilrYZnFSIddHPnyxuM?=
 =?us-ascii?Q?2cNs9aJQtl8m7D2XwDiCEOlnYC26W+1ZUjyBnYDfVc0sYUCG0mTNF+Vi5/mx?=
 =?us-ascii?Q?GCYymYtSdoE8T2Hy7ELtftklum8WnpY1SnbWHSa0pPiMrXlxD69C6gC/ngl8?=
 =?us-ascii?Q?sNs6e3jDZmOWKMvKOsnrXAODzLLQlOwV17xaVGYTVuYR08JbjiFz9xlqgC/i?=
 =?us-ascii?Q?UR1ujuSX8wRh9pIEA8sNh1L4cZeL4CqKjfKFOvtl6aR2RPsNsgyqOGKy6VeC?=
 =?us-ascii?Q?YwLud49AYzB7FhxDAWr/ZJoCTTf3ezjmoUFG2kyeWFlT1YgdSYbCJj7NxvVi?=
 =?us-ascii?Q?i0MlEEX2yPVyQC3WAtQKXYSkJfIaIlxCWW3o70nCxkci36BB+FTp0A0fzrO/?=
 =?us-ascii?Q?vNL9haX0mv2uWTPARoSr5oOLvkeaJf8mmsEzP3KFD37lP/ZXeN9yk5R1AoKF?=
 =?us-ascii?Q?lcTyaSqLZm+WTOrJynedltNSsB6m7vjWH2OUYu//zSICiZsQyKuaXrEGn/XD?=
 =?us-ascii?Q?PYoobw71hY+gXHVQ+pG0Yb17E4TI6Zg5E+2S/qbqVZsbmDqaas4PLUtCteBx?=
 =?us-ascii?Q?5goREEc5KQqvIPMaEwnytI8otbcdLA+Pzar+UT4KpMP958EWY2Kp6NMZXyJF?=
 =?us-ascii?Q?i5lBcbQyaK/hc7ErkXGGjGFuKJE5R6CdOX6w4U9BpmLfE+PU10iTYLEjorvS?=
 =?us-ascii?Q?8do8BzcSHvNr1Wc0eiZzGFXZYelRz1x3CwEs0vtHz61kulT1v94Tj4ZjLjPT?=
 =?us-ascii?Q?3kXMuxGq/H4EIFW3BVJnfk7NxNb4eOmboeRR9XwmAVzWlcuXTu3eeN6HjNPa?=
 =?us-ascii?Q?FW9628kSOQ4WD2bIr5x4WOZsxtav1EIQAqCn55bB+MaPYTBTP0RTbZvfOVrk?=
 =?us-ascii?Q?AabZ9AS1jbbDnoo+vkzoJS3zBEVvVB6Z97znE0NvHV28vixlBLTCubhMCocL?=
 =?us-ascii?Q?CeNYSLp9cjJf/oVEq0H6u/ESPgmIYO3hTblOT4fCCNuPA2a6y/d67uU1N6tV?=
 =?us-ascii?Q?0ABydLjoagAQhjsv33a6y3AIyEWXG9R56J3kwbRx8jxRmdflAQGCPoBoUBdH?=
 =?us-ascii?Q?7CGHWZBElGMcWVSgC48WaLAXcYvA35T6U3vtnilVxt4+He3sBQqKlY15goeF?=
 =?us-ascii?Q?WWlpQLaPTyLj1JDnS2U4n5tJdCEKROI/gTMf41IOhBkM5yabIlHNis5Vhe1J?=
 =?us-ascii?Q?JI2l3REeT3ZZliVotUv0l49dcG3Mx0pRTmJYWWj7K0EZfCHqheAnAMqOVE6p?=
 =?us-ascii?Q?GL6W1KLUIgeeNxEDwFby+eoadQhzUOeTYWBCAhmx3Vbcif06VPHugR9T7gxv?=
 =?us-ascii?Q?vTD4pzKCa0B7FYJDtXogGf1VH5zC+ceawup5UqtAamGC6Seg05R/0XtEpxmd?=
 =?us-ascii?Q?FrAlVzVJvMBYk85CWCLfpYVhIaZpKO9AkG8E5jGhs+CWAwUKaSUXewSkRKt0?=
 =?us-ascii?Q?YVSDSAtQiodVzjP3ahV9GpLzgblZHgwt7KUvWAAhmXc5PigE0iHsvrRJKVm7?=
 =?us-ascii?Q?rC/uGDoBXyyPcM7OWI+iAhZ3cGuQvHeT523zZ6MeK4s9QsJbwUpy1Jr4Mhne?=
 =?us-ascii?Q?7SuhSYP17j3ggmHV10cj3hoHNuHrjhOYpYmmSsV5QCTuH1VLAGidISdvADvl?=
 =?us-ascii?Q?8A=3D=3D?=
X-MS-Exchange-CrossTenant-Network-Message-Id: 3dcfb0ef-8490-409b-667c-08dc1d781a58
X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jan 2024 07:34:45.5699
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: gU55dxOpJmz9q44AziMN7UHgxg0U6p3KRnlch8jT009Tey0WC+NEOm2RBxD3fTsgWTIZQfEoIMeDX/bvDyrpdA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB5660
X-OriginatorOrg: intel.com


Hello,

kernel test robot noticed "kernel-selftests.kvm.memslot_perf_test.fail" on:

commit: 39042079a0c241d09fa6fc3bb67c2ddf60011d0f ("kmemleak: avoid RCU stalls when freeing metadata for per-CPU pointers")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master 9d64bf433c53cab2f48a3fff7a1f2a696bc5229a]
[test failed on linux-next/master ad5c60d66016e544c51ed98635a74073f761f45d]

in testcase: kernel-selftests
version: kernel-selftests-x86_64-60acb023-1_20230329
with following parameters:

	group: kvm


compiler: gcc-12
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapphire Rapids) with 256G 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/202401251429.d3dea02b-oliver.sang@intel.com


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240125/202401251429.d3dea02b-oliver.sang@intel.com


# timeout set to 120
# selftests: kvm: memslot_perf_test
# Testing map performance with 1 runs, 5 seconds each
# Memslot count too high for this test, decrease the cap (max is 8209)
# 
# Testing unmap performance with 1 runs, 5 seconds each
# Test took 9.178259867s for slot setup + 5.035747214s all iterations
# Done 85 iterations, avg 0.059244084s each
# Best runtime result was 0.059244084s per iteration (with 85 iterations)
# 
# Testing unmap chunked performance with 1 runs, 5 seconds each
# Test took 9.460993790s for slot setup + 5.001833746s all iterations
# Done 84 iterations, avg 0.059545639s each
# Best runtime result was 0.059545639s per iteration (with 84 iterations)
# 
# Testing move active area performance with 1 runs, 5 seconds each
# Test took 9.235748282s for slot setup + 5.001305107s all iterations
# Done 4807 iterations, avg 0.001040421s each
# Best runtime result was 0.001040421s per iteration (with 4807 iterations)
# 
# Testing move inactive area performance with 1 runs, 5 seconds each
# Test took 9.113425177s for slot setup + 5.001150112s all iterations
# Done 4534 iterations, avg 0.001103032s each
# Best runtime result was 0.001103032s per iteration (with 4534 iterations)
# 
# Testing RW performance with 1 runs, 5 seconds each
#
not ok 71 selftests: kvm: memslot_perf_test # TIMEOUT 120 seconds


-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki