Hi Jiri, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/perf/core] [also build test WARNING on next-20250902] [cannot apply to bpf-next/net bpf-next/master bpf/master perf-tools-next/perf-tools-next perf-tools/perf-tools trace/for-next linus/master acme/perf/core v6.17-rc4] [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/Jiri-Olsa/uprobes-Add-unique-flag-to-uprobe-consumer/20250902-224356 base: tip/perf/core patch link: https://lore.kernel.org/r/20250902143504.1224726-4-jolsa%40kernel.org patch subject: [PATCH perf/core 03/11] perf: Add support to attach standard unique uprobe config: x86_64-randconfig-001-20250903 (https://download.01.org/0day-ci/archive/20250903/202509031116.yIcyjvUx-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250903/202509031116.yIcyjvUx-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202509031116.yIcyjvUx-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:95, from kernel/events/core.c:34: >> include/linux/perf_event.h:2073:32: warning: 'format_attr_unique' defined but not used [-Wunused-variable] 2073 | static struct device_attribute format_attr_##_name = __ATTR_RO(_name) | ^~~~~~~~~~~~ kernel/events/core.c:11055:1: note: in expansion of macro 'PMU_FORMAT_ATTR' 11055 | PMU_FORMAT_ATTR(unique, "config:1"); | ^~~~~~~~~~~~~~~ vim +/format_attr_unique +2073 include/linux/perf_event.h b6c00fb9949fbd0 Kan Liang 2023-01-04 2069 b6c00fb9949fbd0 Kan Liang 2023-01-04 2070 #define PMU_FORMAT_ATTR(_name, _format) \ b6c00fb9949fbd0 Kan Liang 2023-01-04 2071 PMU_FORMAT_ATTR_SHOW(_name, _format) \ 641cc938815dfd0 Jiri Olsa 2012-03-15 2072 \ 641cc938815dfd0 Jiri Olsa 2012-03-15 @2073 static struct device_attribute format_attr_##_name = __ATTR_RO(_name) 641cc938815dfd0 Jiri Olsa 2012-03-15 2074 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki