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Date:   Fri, 13 May 2022 19:33:56 +0800
From:   kernel test robot <lkp@intel.com>
To:     Josh Don <joshdon@google.com>, Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Juri Lelli <juri.lelli@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Valentin Schneider <vschneid@redhat.com>,
        linux-kernel@vger.kernel.org,
        Cruz Zhao <CruzZhao@linux.alibaba.com>,
        Tejun Heo <tj@kernel.org>, Josh Don <joshdon@google.com>
Subject: Re: [PATCH] sched/core: add forced idle accounting for cgroups
Message-ID: <202205131951.zAnitpiH-lkp@intel.com>
References: <20220513005427.2507335-1-joshdon@google.com>
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In-Reply-To: <20220513005427.2507335-1-joshdon@google.com>
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Hi Josh,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on tip/master linux/master linus/master v5.18-rc6 next-20220512]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Josh-Don/sched-core-add-forced-idle-accounting-for-cgroups/20220513-085621
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 734387ec2f9d77b00276042b1fa7c95f48ee879d
config: i386-randconfig-a004 (https://download.01.org/0day-ci/archive/20220513/202205131951.zAnitpiH-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 9519dacab7b8afd537811fc2abaceb4d14f4e16a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/21dca7763777c1985d6f5ac289e6e0c20d429d05
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Josh-Don/sched-core-add-forced-idle-accounting-for-cgroups/20220513-085621
        git checkout 21dca7763777c1985d6f5ac289e6e0c20d429d05
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __udivdi3
   >>> referenced by core.c
   >>>               sched/core.o:(cpu_extra_stat_show) in archive kernel/built-in.a

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp