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Mon, 28 Feb 2022 04:59:52 +0000 Date: Mon, 28 Feb 2022 12:58:52 +0800 From: kernel test robot To: Dietmar Eggemann Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [arm-de:wip/uclamp_util_cap 2/2] kernel/sched/fair.c:3878:26: error: no member named 'tg' in 'struct cfs_rq' Message-ID: <202202281217.CMzbqwQB-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.gitlab.arm.com/linux-arm/linux-de.git wip/uclamp_util_cap head: df7ef1cab37eca401198f547fd206c7c180fdac5 commit: df7ef1cab37eca401198f547fd206c7c180fdac5 [2/2] sched/fair, pelt: Force rng se/cfs_rq to !rng if se's util_avg>=uclamp_max for taskgroups config: arm64-buildonly-randconfig-r006-20220228 (https://download.01.org/0day-ci/archive/20220228/202202281217.CMzbqwQB-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git remote add arm-de https://git.gitlab.arm.com/linux-arm/linux-de.git git fetch --no-tags arm-de wip/uclamp_util_cap git checkout df7ef1cab37eca401198f547fd206c7c180fdac5 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/sched/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> kernel/sched/fair.c:3878:26: error: no member named 'tg' in 'struct cfs_rq' uclamp_max = gcfs_rq->tg->uclamp[UCLAMP_MAX].value; ~~~~~~~ ^ kernel/sched/fair.c:8272:68: error: too few arguments to function call, expected 3, have 2 decayed = update_cfs_rq_load_avg(cfs_rq_clock_pelt(cfs_rq), cfs_rq); ~~~~~~~~~~~~~~~~~~~~~~ ^ kernel/sched/fair.c:3698:1: note: 'update_cfs_rq_load_avg' declared here update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq, int running) ^ 2 errors generated. vim +3878 kernel/sched/fair.c 3855 3856 3857 3858 /* Update task and its cfs_rq load average */ 3859 static inline void update_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags) 3860 { 3861 u64 now = cfs_rq_clock_pelt(cfs_rq); 3862 int decayed, se_running, cfs_rq_running; 3863 3864 se_running = cfs_rq->curr == se; 3865 cfs_rq_running = cfs_rq->curr != NULL; 3866 3867 #ifdef CONFIG_UCLAMP_TASK 3868 if (se_running) { 3869 unsigned long uclamp_max = ULONG_MAX; 3870 3871 if (entity_is_task(se)) { 3872 struct task_struct *p = task_of(se); 3873 uclamp_max = p->uclamp_req[UCLAMP_MAX].value; 3874 } 3875 #ifdef CONFIG_UCLAMP_TASK_GROUP 3876 else { 3877 struct cfs_rq *gcfs_rq = group_cfs_rq(se); > 3878 uclamp_max = gcfs_rq->tg->uclamp[UCLAMP_MAX].value; 3879 } 3880 #endif 3881 if (se->avg.util_avg >= uclamp_max) { 3882 se_running = 0; 3883 cfs_rq_running = 0; 3884 } 3885 } 3886 #endif 3887 3888 /* 3889 * Track task load average for carrying it to new CPU after migrated, and 3890 * track group sched_entity load average for task_h_load calc in migration 3891 */ 3892 if (se->avg.last_update_time && !(flags & SKIP_AGE_LOAD)) 3893 __update_load_avg_se(now, cfs_rq, se, se_running); 3894 3895 decayed = update_cfs_rq_load_avg(now, cfs_rq, cfs_rq_running); 3896 decayed |= propagate_entity_load_avg(se); 3897 3898 if (!se->avg.last_update_time && (flags & DO_ATTACH)) { 3899 3900 /* 3901 * DO_ATTACH means we're here from enqueue_entity(). 3902 * !last_update_time means we've passed through 3903 * migrate_task_rq_fair() indicating we migrated. 3904 * 3905 * IOW we're enqueueing a task on a new CPU. 3906 */ 3907 attach_entity_load_avg(cfs_rq, se); 3908 update_tg_load_avg(cfs_rq); 3909 3910 } else if (decayed) { 3911 cfs_rq_util_change(cfs_rq, 0); 3912 3913 if (flags & UPDATE_TG) 3914 update_tg_load_avg(cfs_rq); 3915 } 3916 } 3917 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org