Hi Gabriele, kernel test robot noticed the following build warnings:
[auto build test WARNING on 4dc1d1bec89864d8076e5ab314f86f46442bfb02] url: https://github.com/intel-lab-lkp/linux/commits/Gabriele-Monaco/tracing-Fix-DECLARE_TRACE_CONDITION/20250213-171642 base: 4dc1d1bec89864d8076e5ab314f86f46442bfb02 patch link: https://lore.kernel.org/r/20250213090819.419470-5-gmonaco%40redhat.com patch subject: [PATCH v2 04/11] rv: Add option for nested monitors and include sched config: parisc-randconfig-r112-20250217 (https://download.01.org/0day-ci/archive/20250217/[email protected]/config) compiler: hppa-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250217/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): In file included from include/trace/define_trace.h:119, from kernel/trace/rv/rv_trace.h:130, from kernel/trace/rv/rv.c:148: >> include/trace/trace_events.h:477:13: warning: 'print_fmt_error_da_monitor' >> defined but not used [-Wunused-variable] 477 | static char print_fmt_##call[] = print; \ | ^~~~~~~~~~ kernel/trace/rv/./rv_trace.h:39:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 39 | DECLARE_EVENT_CLASS(error_da_monitor, | ^~~~~~~~~~~~~~~~~~~ >> include/trace/trace_events.h:477:13: warning: 'print_fmt_event_da_monitor' >> defined but not used [-Wunused-variable] 477 | static char print_fmt_##call[] = print; \ | ^~~~~~~~~~ kernel/trace/rv/./rv_trace.h:12:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 12 | DECLARE_EVENT_CLASS(event_da_monitor, | ^~~~~~~~~~~~~~~~~~~ >> include/trace/trace_events.h:223:37: warning: >> 'trace_event_type_funcs_error_da_monitor' defined but not used >> [-Wunused-variable] 223 | static struct trace_event_functions trace_event_type_funcs_##call = { \ | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/rv/./rv_trace.h:39:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 39 | DECLARE_EVENT_CLASS(error_da_monitor, | ^~~~~~~~~~~~~~~~~~~ >> include/trace/trace_events.h:223:37: warning: >> 'trace_event_type_funcs_event_da_monitor' defined but not used >> [-Wunused-variable] 223 | static struct trace_event_functions trace_event_type_funcs_##call = { \ | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/rv/./rv_trace.h:12:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 12 | DECLARE_EVENT_CLASS(event_da_monitor, | ^~~~~~~~~~~~~~~~~~~ vim +/print_fmt_error_da_monitor +477 include/trace/trace_events.h 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 473) 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 474) #undef DECLARE_EVENT_CLASS 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 475) #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 476) _TRACE_PERF_PROTO(call, PARAMS(proto)); \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 @477) static char print_fmt_##call[] = print; \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 478) static struct trace_event_class __used __refdata event_class_##call = { \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 479) .system = TRACE_SYSTEM_STRING, \ 04ae87a52074e2 Peter Zijlstra 2019-10-24 480 .fields_array = trace_event_fields_##call, \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 481) .fields = LIST_HEAD_INIT(event_class_##call.fields),\ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 482) .raw_init = trace_event_raw_init, \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 483) .probe = trace_event_raw_event_##call, \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 484) .reg = trace_event_reg, \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 485) _TRACE_PERF_INIT(call) \ 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 486) }; 46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 487) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
