From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 508737710B for ; Tue, 30 Apr 2024 19:15:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714504545; cv=none; b=Iu42iUjHw6UlGSIWLC1SmqX2NdHxkFRaV2QMUQJc3BOy4W1ROs6gnaNDIjX1oqR5XLaOpMQwOoSXf+F0mz//yYwDoNZmHMhc7nSHpr0hxRWxHNYXtfveRsHPqTGnt7BcSIfNp9ggmAszpcqQLwN9SwZGx+/M/SrPJ5d0poJ3teY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714504545; c=relaxed/simple; bh=mFfTUS9rNnA5QRDfIrnp206+8vJLn9S12T+vvy24qIo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=eGinLxbOeSp3NGkNTjwrcS51uCuNYBXRto3vGwl8uVjLX/3d4gAjdL4FFrBdpt3dJI8PmEjtgFzz3Jw0pzJKP9xfsTZQOKVyAO7Tqm/vOHHxXXGnu2H0dB96x85OsxCeOcJFujSWnNHTyB/fG6KLksuMYAfLXkgwd+AC9U0j/Sk= 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=dBkFIbYY; arc=none smtp.client-ip=198.175.65.12 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="dBkFIbYY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714504543; x=1746040543; h=date:from:to:cc:subject:message-id:mime-version; bh=mFfTUS9rNnA5QRDfIrnp206+8vJLn9S12T+vvy24qIo=; b=dBkFIbYYwP4Ed3v3t+0T6eOKGU+UWrrcV+wh8ptk0d1obI85agzi+dB7 thWHhITFk9wwyFGXlX25OmA8hk2NK5WaA8GuIINU/a898TTrzTGFJHmA7 /tbMTxO7M1q+N+Oot/egtIC/Y98Ru/PZz1V9+H+NZE1EhxfJU5u8jUfwH nW/YSM6lt77scB7vDhfRtV86PHVBqXjUPyzhQPM1SlMUzX3DFFOvzndb4 Fbo6T8UiOt0//FXEEmcpbGgUtvxYm+6Hju1Bnf3s0I8GoOhctLFm57X6n QMyJIRi2m89SLQb9o76ERIjqGC5/nnw7rdZsByzozSyWNlKTzGxuA87OF A==; X-CSE-ConnectionGUID: Ba5vh34uSDaKPT1SEsm6mg== X-CSE-MsgGUID: O+qW1Ej8RSeeY2ar1k6NVg== X-IronPort-AV: E=McAfee;i="6600,9927,11060"; a="21649850" X-IronPort-AV: E=Sophos;i="6.07,243,1708416000"; d="scan'208";a="21649850" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2024 12:15:43 -0700 X-CSE-ConnectionGUID: gdKWTiPSQ/CXiSPSWegacQ== X-CSE-MsgGUID: dRnrbkULR8yqTfL6lmRdZw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,243,1708416000"; d="scan'208";a="31009424" Received: from lkp-server01.sh.intel.com (HELO e434dd42e5a1) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 30 Apr 2024 12:15:42 -0700 Received: from kbuild by e434dd42e5a1 with local (Exim 4.96) (envelope-from ) id 1s1sx1-0008Tr-0b; Tue, 30 Apr 2024 19:15:39 +0000 Date: Wed, 1 May 2024 03:15:23 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: Re: [PATCH v3 4/6] perf test pmu: Add an eagerly loaded event test Message-ID: <202405010256.1BDkfF0K-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline :::::: :::::: Manual check reason: "low confidence bisect report" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20240429200225.1271876-5-irogers@google.com> References: <20240429200225.1271876-5-irogers@google.com> TO: Ian Rogers TO: Kan Liang TO: Thomas Richter TO: Peter Zijlstra TO: Ingo Molnar TO: Arnaldo Carvalho de Melo TO: Namhyung Kim TO: Mark Rutland TO: Alexander Shishkin TO: Jiri Olsa TO: Bjorn Helgaas TO: Jonathan Corbet TO: Randy Dunlap TO: Jing Zhang TO: James Clark TO: Ravi Bangoria TO: linux-kernel@vger.kernel.org TO: linux-perf-users@vger.kernel.org CC: Ian Rogers Hi Ian, kernel test robot noticed the following build errors: [auto build test ERROR on perf-tools-next/perf-tools-next] [also build test ERROR on tip/perf/core perf-tools/perf-tools linus/master v6.9-rc6 next-20240430] [cannot apply to acme/perf/core] [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/Ian-Rogers/perf-test-pmu-events-Make-it-clearer-that-pmu-events-tests-json-events/20240430-040959 base: https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git perf-tools-next patch link: https://lore.kernel.org/r/20240429200225.1271876-5-irogers%40google.com patch subject: [PATCH v3 4/6] perf test pmu: Add an eagerly loaded event test :::::: branch date: 23 hours ago :::::: commit date: 23 hours ago compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240501/202405010256.1BDkfF0K-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/r/202405010256.1BDkfF0K-lkp@intel.com/ Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All errors (new ones prefixed by >>): PERF_VERSION = 6.9.rc5.gea45a6cddbea tests/pmu.c: In function 'test_pmu_get': tests/pmu.c:89:9: error: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Werror=unused-result] 89 | write(file, "9999\n", 5); | ^~~~~~~~~~~~~~~~~~~~~~~~ tests/pmu.c:128:9: error: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Werror=unused-result] 128 | write(file, test_event, strlen(test_event)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ tests/pmu.c: In function 'test__pmu_events': >> tests/pmu.c:241:16: error: 'ret' may be used uninitialized [-Werror=maybe-uninitialized] 241 | return ret; | ^~~ tests/pmu.c:198:13: note: 'ret' was declared here 198 | int ret; | ^~~ cc1: all warnings being treated as errors make[7]: *** [tools/build/Makefile.build:106: tools/perf/tests/pmu.o] Error 1 make[7]: *** Waiting for unfinished jobs.... make[6]: *** [tools/build/Makefile.build:158: tests] Error 2 make[6]: *** Waiting for unfinished jobs.... make[5]: *** [Makefile.perf:727: tools/perf/perf-in.o] Error 2 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [Makefile.perf:264: sub-make] Error 2 make[3]: *** [Makefile:70: all] Error 2 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki