From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 C2E292D7B8 for ; Mon, 2 Sep 2024 09:11:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725268315; cv=none; b=d/M0bcYDd77dUbOOKoFDGBb7HNbncwU9vSNauPd1lVV3MLCgfd4O475sp5SScvATpWkCDeiHzQv0HygQczXf1ZBhmwA010NGbzuVzhmN6CErDHziJoEjsZWs6QNMxmwxf7oaU0lwXlxi5M7mdYUZ7BMLIUL3Qiqarkz4X1xS2NM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725268315; c=relaxed/simple; bh=hXtNIQkp9EPJtABA4D2nCiS6fBp7NbjHoI0F5+bVc+s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=o0n0zAtuI7vjX3TrOSBPD9omiPkahDDZIDUy2oUImUIhdSANA1aHAhjIgod+wYNYFPTKc1K063+PijZexDt5YCxdF1q7wAr1E9rNcCuFmrSs4BdDCyz1qxr8NpmmvTxMOGke0cdaICJezt9K5pnauRf7U1ubd/EI+uzvXgDPtzc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=AaBSK86u; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="AaBSK86u" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725268314; x=1756804314; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=hXtNIQkp9EPJtABA4D2nCiS6fBp7NbjHoI0F5+bVc+s=; b=AaBSK86u+bW5jgYmKL+aE0GrpSIRsIY3Us8nX0iIrwvtIDKdBqoxOrLw GqT4w4GJeoW2iVXANJxcPTPdmuFyaF1W7tcC86+FFrB/lPoS/ObMVbhC3 RYyO8SKFAzwivAE0CIO5T8pRqlewj0EdTG3f0AFV7T0Q5FndsjL4WQQ8u muj5z5LOJI70SMykjD45S6BkzrbPKnemExjZa3f5q8iFJF4uaqH3INa1K 3DeuVYOJ2OjYtsnLg3IEhbpWASZME05h4Sm9W3EYeV2oiPduPnBbMPIEE rVUAJEEP5Gz1G2fwlv9nG2y4V3qZ6ZPv5MbC5knlcErglHXsZiTMV1yVZ w==; X-CSE-ConnectionGUID: gXnyG7qpS8S/7rG1z05qYw== X-CSE-MsgGUID: 1s+jkkBSTWOg1ITvEgcwkA== X-IronPort-AV: E=McAfee;i="6700,10204,11182"; a="34499525" X-IronPort-AV: E=Sophos;i="6.10,195,1719903600"; d="scan'208";a="34499525" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2024 02:11:53 -0700 X-CSE-ConnectionGUID: xPH1cRnbQriwEbTgd2nBNg== X-CSE-MsgGUID: 9ibfL99PRiqpRMnFXOniUQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,195,1719903600"; d="scan'208";a="68688389" Received: from lkp-server01.sh.intel.com (HELO 9c6b1c7d3b50) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 02 Sep 2024 02:11:49 -0700 Received: from kbuild by 9c6b1c7d3b50 with local (Exim 4.96) (envelope-from ) id 1sl36B-0005JW-0b; Mon, 02 Sep 2024 09:11:47 +0000 Date: Mon, 2 Sep 2024 17:11:32 +0800 From: kernel test robot To: Vincent Guittot , mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, lukasz.luba@arm.com, rafael.j.wysocki@intel.com, linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, qyousef@layalina.io, hongyan.xia2@arm.com, Vincent Guittot Subject: Re: [PATCH 3/5] sched/fair: Rework feec() to use cost instead of spare capacity Message-ID: <202409021606.CwIU0HB8-lkp@intel.com> References: <20240830130309.2141697-4-vincent.guittot@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240830130309.2141697-4-vincent.guittot@linaro.org> Hi Vincent, kernel test robot noticed the following build errors: [auto build test ERROR on tip/sched/core] [also build test ERROR on peterz-queue/sched/core linus/master v6.11-rc6 next-20240830] [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/Vincent-Guittot/sched-fair-Filter-false-overloaded_group-case-for-EAS/20240830-210826 base: tip/sched/core patch link: https://lore.kernel.org/r/20240830130309.2141697-4-vincent.guittot%40linaro.org patch subject: [PATCH 3/5] sched/fair: Rework feec() to use cost instead of spare capacity config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20240902/202409021606.CwIU0HB8-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 6f682c26b04f0b349c4c473756cb8625b4f37c6d) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240902/202409021606.CwIU0HB8-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/202409021606.CwIU0HB8-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/sched/fair.c:23: In file included from include/linux/energy_model.h:5: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from kernel/sched/fair.c:38: In file included from include/linux/sched/isolation.h:7: In file included from include/linux/tick.h:8: In file included from include/linux/clockchips.h:14: In file included from include/linux/clocksource.h:22: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from kernel/sched/fair.c:38: In file included from include/linux/sched/isolation.h:7: In file included from include/linux/tick.h:8: In file included from include/linux/clockchips.h:14: In file included from include/linux/clocksource.h:22: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from kernel/sched/fair.c:38: In file included from include/linux/sched/isolation.h:7: In file included from include/linux/tick.h:8: In file included from include/linux/clockchips.h:14: In file included from include/linux/clocksource.h:22: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> kernel/sched/fair.c:8183:6: error: call to undeclared function 'em_pd_get_efficient_state'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 8183 | i = em_pd_get_efficient_state(em_table->state, pd->nr_perf_states, | ^ >> kernel/sched/fair.c:8190:6: error: call to undeclared function 'em_pd_get_previous_state'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 8190 | i = em_pd_get_previous_state(em_table->state, pd->nr_perf_states, | ^ 13 warnings and 2 errors generated. vim +/em_pd_get_efficient_state +8183 kernel/sched/fair.c 8168 8169 /* Find the cost of a performance domain for the estimated utilization */ 8170 static inline void find_pd_cost(struct em_perf_domain *pd, 8171 unsigned long max_util, 8172 struct energy_cpu_stat *stat) 8173 { 8174 struct em_perf_table *em_table; 8175 struct em_perf_state *ps; 8176 int i; 8177 8178 /* 8179 * Find the lowest performance state of the Energy Model above the 8180 * requested performance. 8181 */ 8182 em_table = rcu_dereference(pd->em_table); > 8183 i = em_pd_get_efficient_state(em_table->state, pd->nr_perf_states, 8184 max_util, pd->flags); 8185 ps = &em_table->state[i]; 8186 8187 /* Save the cost and performance range of the OPP */ 8188 stat->max_perf = ps->performance; 8189 stat->cost = ps->cost; > 8190 i = em_pd_get_previous_state(em_table->state, pd->nr_perf_states, 8191 i, pd->flags); 8192 if (i < 0) 8193 stat->min_perf = 0; 8194 else { 8195 ps = &em_table->state[i]; 8196 stat->min_perf = ps->performance; 8197 } 8198 } 8199 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki