From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72B26DDD2 for ; Tue, 5 Sep 2023 20:45:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693946735; x=1725482735; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=nXdxZ1qADcpKhvtoxgvVbJKul9ITY55W6c+C2M4PaEM=; b=akuYN2V2YzDVYMWNhprH1cb7tO74oLQOOGXs46tpMXkHqgONh2zK2Rsv PGL31UvBYDwFzK60f0gVUFGmlDIUY+PXhjw/dSUsNvKMRGh7u3lSvtcQz O7fgs5VInGXuDhBeA5uVafAdThYtbE6DpTGU/gyV+2fbH2OsTICY1twAm pPS9OZcXvMXUWOTAwlGWHP7jBcEuiyx9hmd+6IKwxPXUch/YN0wIM0qnT rVuz+9FCxqwBfqC6KguyrQtJb4ccxRklCYzEqbbAhdtLctFuIW2Pr9Mzk r1rNJIbpobPM3h1l74R/0XrN/igS0uoYCMTuTA6sDQEmpETAkftejnvaT A==; X-IronPort-AV: E=McAfee;i="6600,9927,10824"; a="440872326" X-IronPort-AV: E=Sophos;i="6.02,230,1688454000"; d="scan'208";a="440872326" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2023 13:45:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10824"; a="856135833" X-IronPort-AV: E=Sophos;i="6.02,230,1688454000"; d="scan'208";a="856135833" Received: from lkp-server02.sh.intel.com (HELO e0b2ea88afd5) ([10.239.97.151]) by fmsmga002.fm.intel.com with ESMTP; 05 Sep 2023 13:45:33 -0700 Received: from kbuild by e0b2ea88afd5 with local (Exim 4.96) (envelope-from ) id 1qdcvT-00023z-1k; Tue, 05 Sep 2023 20:45:31 +0000 Date: Wed, 6 Sep 2023 04:44:33 +0800 From: kernel test robot To: Mathieu Desnoyers Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH 1/2] sched: Rate limit migrations to 1 per 2ms per task Message-ID: <202309060412.qsK3hmt5-lkp@intel.com> References: <20230905171105.1005672-2-mathieu.desnoyers@efficios.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230905171105.1005672-2-mathieu.desnoyers@efficios.com> Hi Mathieu, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on linus/master next-20230905] [cannot apply to v6.5] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mathieu-Desnoyers/sched-Rate-limit-migrations-to-1-per-2ms-per-task/20230906-030116 base: tip/sched/core patch link: https://lore.kernel.org/r/20230905171105.1005672-2-mathieu.desnoyers%40efficios.com patch subject: [RFC PATCH 1/2] sched: Rate limit migrations to 1 per 2ms per task config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230906/202309060412.qsK3hmt5-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230906/202309060412.qsK3hmt5-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202309060412.qsK3hmt5-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/sched/fair.c:702:6: warning: no previous prototype for 'update_entity_lag' [-Wmissing-prototypes] 702 | void update_entity_lag(struct cfs_rq *cfs_rq, struct sched_entity *se) | ^~~~~~~~~~~~~~~~~ kernel/sched/fair.c:947:5: warning: no previous prototype for 'sched_update_scaling' [-Wmissing-prototypes] 947 | int sched_update_scaling(void) | ^~~~~~~~~~~~~~~~~~~~ >> kernel/sched/fair.c:962:13: warning: 'should_migrate_task' defined but not used [-Wunused-function] 962 | static bool should_migrate_task(struct task_struct *p, int prev_cpu) | ^~~~~~~~~~~~~~~~~~~ vim +/should_migrate_task +962 kernel/sched/fair.c 961 > 962 static bool should_migrate_task(struct task_struct *p, int prev_cpu) 963 { 964 /* Rate limit task migration. */ 965 if (sched_clock_cpu(prev_cpu) < p->se.next_migration_time) 966 return false; 967 return true; 968 } 969 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki