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X-CSE-ConnectionGUID: /D9FbzQJSjqQKX6XcEXYnQ== X-CSE-MsgGUID: d05NPUyLT3OlnCE6xyM6+g== X-IronPort-AV: E=McAfee;i="6800,10657,11733"; a="74969516" X-IronPort-AV: E=Sophos;i="6.23,127,1770624000"; d="scan'208";a="74969516" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2026 06:38:09 -0700 X-CSE-ConnectionGUID: VUq4lva3R6yq97FjBXHMmw== X-CSE-MsgGUID: dPvar/TQSTmxX7CkknFYgA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,127,1770624000"; d="scan'208";a="245654482" Received: from lkp-server01.sh.intel.com (HELO 63737dd503cb) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 18 Mar 2026 06:38:02 -0700 Received: from kbuild by 63737dd503cb with local (Exim 4.98.2) (envelope-from ) id 1w2r5y-000000002xR-0Tj7; Wed, 18 Mar 2026 13:37:58 +0000 Date: Wed, 18 Mar 2026 21:37:39 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android14-kiwi-6.1 132/132] include/trace/stages/init.h:2:23: warning: 'str__bug__trace_system_name' defined but not used Message-ID: <202603182105.1djQAF4D-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Sangmoon, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1 head: 73a9b50e23202b4fe10f285b4cfe0efaa5dbb0ca commit: e74b4da79162aaf5ad40d1df6200da47953d0ff1 [132/132] ANDROID: bug: add vendor hook for bug trap config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260318/202603182105.1djQAF4D-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260318/202603182105.1djQAF4D-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/202603182105.1djQAF4D-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/trace/trace_events.h:27, from include/trace/define_trace.h:102, from include/trace/hooks/bug.h:16, from drivers/android/vendor_hooks.c:52: >> include/trace/stages/init.h:2:23: warning: 'str__bug__trace_system_name' defined but not used [-Wunused-const-variable=] 2 | #define __app__(x, y) str__##x##y | ^~~~~ include/trace/stages/init.h:3:21: note: in expansion of macro '__app__' 3 | #define __app(x, y) __app__(x, y) | ^~~~~~~ include/trace/stages/init.h:5:29: note: in expansion of macro '__app' 5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name) | ^~~~~ include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING' 8 | static const char TRACE_SYSTEM_STRING[] = \ | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR' 11 | TRACE_MAKE_SYSTEM_STR(); | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/trace/trace_events.h:27, from include/trace/define_trace.h:102, from include/trace/hooks/hung_task.h:23, from drivers/android/vendor_hooks.c:51: include/trace/stages/init.h:2:23: warning: 'str__hung_task__trace_system_name' defined but not used [-Wunused-const-variable=] 2 | #define __app__(x, y) str__##x##y | ^~~~~ include/trace/stages/init.h:3:21: note: in expansion of macro '__app__' 3 | #define __app(x, y) __app__(x, y) | ^~~~~~~ include/trace/stages/init.h:5:29: note: in expansion of macro '__app' 5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name) | ^~~~~ include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING' 8 | static const char TRACE_SYSTEM_STRING[] = \ | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR' 11 | TRACE_MAKE_SYSTEM_STR(); | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/trace/trace_events.h:27, from include/trace/define_trace.h:102, from include/trace/hooks/topology.h:29, from drivers/android/vendor_hooks.c:50: include/trace/stages/init.h:2:23: warning: 'str__topology__trace_system_name' defined but not used [-Wunused-const-variable=] 2 | #define __app__(x, y) str__##x##y | ^~~~~ include/trace/stages/init.h:3:21: note: in expansion of macro '__app__' 3 | #define __app(x, y) __app__(x, y) | ^~~~~~~ include/trace/stages/init.h:5:29: note: in expansion of macro '__app' 5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name) | ^~~~~ include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING' 8 | static const char TRACE_SYSTEM_STRING[] = \ | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR' 11 | TRACE_MAKE_SYSTEM_STR(); | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/trace/trace_events.h:27, from include/trace/define_trace.h:102, from include/trace/hooks/timer.h:18, from drivers/android/vendor_hooks.c:49: include/trace/stages/init.h:2:23: warning: 'str__timer__trace_system_name' defined but not used [-Wunused-const-variable=] 2 | #define __app__(x, y) str__##x##y | ^~~~~ include/trace/stages/init.h:3:21: note: in expansion of macro '__app__' 3 | #define __app(x, y) __app__(x, y) | ^~~~~~~ include/trace/stages/init.h:5:29: note: in expansion of macro '__app' 5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name) | ^~~~~ include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING' 8 | static const char TRACE_SYSTEM_STRING[] = \ | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR' 11 | TRACE_MAKE_SYSTEM_STR(); | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/trace/trace_events.h:27, from include/trace/define_trace.h:102, from include/trace/hooks/gic_v3.h:29, from drivers/android/vendor_hooks.c:48: include/trace/stages/init.h:2:23: warning: 'str__gic_v3__trace_system_name' defined but not used [-Wunused-const-variable=] 2 | #define __app__(x, y) str__##x##y | ^~~~~ include/trace/stages/init.h:3:21: note: in expansion of macro '__app__' 3 | #define __app(x, y) __app__(x, y) | ^~~~~~~ include/trace/stages/init.h:5:29: note: in expansion of macro '__app' 5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name) | ^~~~~ include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING' 8 | static const char TRACE_SYSTEM_STRING[] = \ | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR' 11 | TRACE_MAKE_SYSTEM_STR(); | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/trace/trace_events.h:27, from include/trace/define_trace.h:102, from include/trace/hooks/gic.h:20, from drivers/android/vendor_hooks.c:47: include/trace/stages/init.h:2:23: warning: 'str__gic__trace_system_name' defined but not used [-Wunused-const-variable=] 2 | #define __app__(x, y) str__##x##y | ^~~~~ include/trace/stages/init.h:3:21: note: in expansion of macro '__app__' 3 | #define __app(x, y) __app__(x, y) | ^~~~~~~ vim +/str__bug__trace_system_name +2 include/trace/stages/init.h af6b9668e85ffd Steven Rostedt (Google 2022-03-03 @2) #define __app__(x, y) str__##x##y af6b9668e85ffd Steven Rostedt (Google 2022-03-03 3) #define __app(x, y) __app__(x, y) af6b9668e85ffd Steven Rostedt (Google 2022-03-03 4) :::::: The code at line 2 was first introduced by commit :::::: af6b9668e85ffd1502aada8036ccbf4dbd481708 tracing: Move the defines to create TRACE_EVENTS into their own files :::::: TO: Steven Rostedt (Google) :::::: CC: Steven Rostedt (Google) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki