Hi jempty.liang, kernel test robot noticed the following build warnings:
[auto build test WARNING on trace/for-next] [also build test WARNING on linus/master v6.19-rc8 next-20260202] [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/jempty-liang/tracing-Fix-funcgraph_exit-calltime-rettime-offset-for-32-bit-ARM/20260202-203926 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/20260202123342.2544795-1-imntjempty%40163.com patch subject: [PATCH v2] tracing: Fix funcgraph_exit calltime/rettime offset for 32-bit ARM config: x86_64-buildonly-randconfig-004-20260203 (https://download.01.org/0day-ci/archive/20260203/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260203/[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 >>): kernel/trace/trace_irqsoff.c: In function 'irqsoff_graph_return': >> kernel/trace/trace_irqsoff.c:224:13: warning: unused variable 'rettime' >> [-Wunused-variable] 224 | u64 rettime; | ^~~~~~~ vim +/rettime +224 kernel/trace/trace_irqsoff.c 62b915f1060996 Jiri Olsa 2010-04-02 214 37238abe3cb47b Steven Rostedt (VMware 2024-06-03 215) static void irqsoff_graph_return(struct ftrace_graph_ret *trace, 2ca8c112c9676e Masami Hiramatsu (Google 2024-12-26 216) struct fgraph_ops *gops, 2ca8c112c9676e Masami Hiramatsu (Google 2024-12-26 217) struct ftrace_regs *fregs) 62b915f1060996 Jiri Olsa 2010-04-02 218 { 62b915f1060996 Jiri Olsa 2010-04-02 219 struct trace_array *tr = irqsoff_trace; 62b915f1060996 Jiri Olsa 2010-04-02 220 struct trace_array_cpu *data; 62b915f1060996 Jiri Olsa 2010-04-02 221 unsigned long flags; 36590c50b2d072 Sebastian Andrzej Siewior 2021-01-25 222 unsigned int trace_ctx; a485ea9e3ef31a Steven Rostedt 2025-01-13 223 u64 *calltime; 66611c04757096 Steven Rostedt 2025-01-21 @224 u64 rettime; a485ea9e3ef31a Steven Rostedt 2025-01-13 225 int size; 62b915f1060996 Jiri Olsa 2010-04-02 226 12117f3307b63f Steven Rostedt (VMware 2024-06-03 227) ftrace_graph_addr_finish(gops, trace); 5cf99a0f3161bc Steven Rostedt (VMware 2018-11-29 228) 5e6d2b9cfa3a6e Steven Rostedt 2010-10-05 229 if (!func_prolog_dec(tr, &data, &flags)) 62b915f1060996 Jiri Olsa 2010-04-02 230 return; 62b915f1060996 Jiri Olsa 2010-04-02 231 77a67833e830fd jempty.liang 2026-02-02 232 trace->rettime = trace_clock_local(); a485ea9e3ef31a Steven Rostedt 2025-01-13 233 calltime = fgraph_retrieve_data(gops->idx, &size); c834a97962c708 Steven Rostedt 2025-10-08 234 if (calltime) { 77a67833e830fd jempty.liang 2026-02-02 235 trace->calltime = *calltime; 36590c50b2d072 Sebastian Andrzej Siewior 2021-01-25 236 trace_ctx = tracing_gen_ctx_flags(flags); 77a67833e830fd jempty.liang 2026-02-02 237 __trace_graph_return(tr, trace, trace_ctx); c834a97962c708 Steven Rostedt 2025-10-08 238 } 90633c34c36d0c Steven Rostedt 2025-05-05 239 local_dec(&data->disabled); 62b915f1060996 Jiri Olsa 2010-04-02 240 } 62b915f1060996 Jiri Olsa 2010-04-02 241 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
