linux-kernel - Re: [PATCH 1/3] sched/fair: Introduce a new debugfs directory for EEVDF tests

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Message-ID: <202505071739.GJbmEQJp-lkp@intel.com>
Date: Wed, 7 May 2025 18:03:44 +0800
From: kernel test robot <lkp@...el.com>
To: "Dhaval Giani (AMD)" <dhaval@...nis.ca>, Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Dhaval Giani <dhaval.giani@....com>,
	Gautham Shenoy <gautham.shenoy@....com>,
	K Prateek Nayak <kprateek.nayak@....com>,
	"Dhaval Giani (AMD)" <dhaval@...nis.ca>
Subject: Re: [PATCH 1/3] sched/fair: Introduce a new debugfs directory for
 EEVDF tests

Hi Dhaval,

kernel test robot noticed the following build errors:

[auto build test ERROR on c70fc32f44431bb30f9025ce753ba8be25acbba3]

url:    https://github.com/intel-lab-lkp/linux/commits/Dhaval-Giani-AMD/sched-fair-Introduce-a-new-debugfs-directory-for-EEVDF-tests/20250423-082221
base:   c70fc32f44431bb30f9025ce753ba8be25acbba3
patch link:    https://lore.kernel.org/r/20250422-b4-eevdf-tests-v1-post-v1-1-35d158254c72%40gianis.ca
patch subject: [PATCH 1/3] sched/fair: Introduce a new debugfs directory for EEVDF tests
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20250507/202505071739.GJbmEQJp-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250507/202505071739.GJbmEQJp-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505071739.GJbmEQJp-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/sched/build_utility.c:71:
>> kernel/sched/debug.c:539:2: error: call to undeclared function 'debugfs_eevdf_testing_init'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     539 |         debugfs_eevdf_testing_init(debugfs_sched);
         |         ^
   1 error generated.


vim +/debugfs_eevdf_testing_init +539 kernel/sched/debug.c

   534	
   535		debugfs_create_file("debug", 0444, debugfs_sched, NULL, &sched_debug_fops);
   536	
   537		debugfs_fair_server_init();
   538	
 > 539		debugfs_eevdf_testing_init(debugfs_sched);
   540	
   541		return 0;
   542	}
   543	late_initcall(sched_init_debug);
   544	

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