Hi Masami, kernel test robot noticed the following build errors:
[auto build test ERROR on trace/for-next] [also build test ERROR on linus/master v6.18-rc1 next-20251017] [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/Masami-Hiramatsu-Google/tracing-Allow-tracer-to-add-more-than-32-options/20251018-004104 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/176071774097.175601.10233017390618260565.stgit%40devnote2 patch subject: [PATCH v4 1/2] tracing: Allow tracer to add more than 32 options config: parisc-randconfig-001-20251018 (https://download.01.org/0day-ci/archive/20251018/[email protected]/config) compiler: hppa-linux-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251018/[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 errors (new ones prefixed by >>): In file included from kernel/trace/trace_probe.h:31, from kernel/trace/trace_events_synth.c:20: kernel/trace/trace.h:1427:27: error: expected identifier or '(' before ':' token 1427 | enum trace_iterator_flags : uint64_t { TRACE_FLAGS }; | ^ kernel/trace/trace_events_synth.c: In function 'print_synth_event': >> kernel/trace/trace_events_synth.c:362:31: error: 'TRACE_ITER_VERBOSE' >> undeclared (first use in this function); did you mean >> 'TRACE_ITER_VERBOSE_BIT'? 362 | if (tr && tr->trace_flags & TRACE_ITER_VERBOSE) | ^~~~~~~~~~~~~~~~~~ | TRACE_ITER_VERBOSE_BIT kernel/trace/trace_events_synth.c:362:31: note: each undeclared identifier is reported only once for each function it appears in vim +362 kernel/trace/trace_events_synth.c 726721a51838e3 Tom Zanussi 2020-05-28 337 726721a51838e3 Tom Zanussi 2020-05-28 338 static enum print_line_t print_synth_event(struct trace_iterator *iter, 726721a51838e3 Tom Zanussi 2020-05-28 339 int flags, 726721a51838e3 Tom Zanussi 2020-05-28 340 struct trace_event *event) 726721a51838e3 Tom Zanussi 2020-05-28 341 { 726721a51838e3 Tom Zanussi 2020-05-28 342 struct trace_array *tr = iter->tr; 726721a51838e3 Tom Zanussi 2020-05-28 343 struct trace_seq *s = &iter->seq; 726721a51838e3 Tom Zanussi 2020-05-28 344 struct synth_trace_event *entry; 726721a51838e3 Tom Zanussi 2020-05-28 345 struct synth_event *se; 887f92e09ef34a Sven Schnelle 2023-08-16 346 unsigned int i, j, n_u64; 726721a51838e3 Tom Zanussi 2020-05-28 347 char print_fmt[32]; 726721a51838e3 Tom Zanussi 2020-05-28 348 const char *fmt; 726721a51838e3 Tom Zanussi 2020-05-28 349 726721a51838e3 Tom Zanussi 2020-05-28 350 entry = (struct synth_trace_event *)iter->ent; 726721a51838e3 Tom Zanussi 2020-05-28 351 se = container_of(event, struct synth_event, call.event); 726721a51838e3 Tom Zanussi 2020-05-28 352 726721a51838e3 Tom Zanussi 2020-05-28 353 trace_seq_printf(s, "%s: ", se->name); 726721a51838e3 Tom Zanussi 2020-05-28 354 726721a51838e3 Tom Zanussi 2020-05-28 355 for (i = 0, n_u64 = 0; i < se->n_fields; i++) { 726721a51838e3 Tom Zanussi 2020-05-28 356 if (trace_seq_has_overflowed(s)) 726721a51838e3 Tom Zanussi 2020-05-28 357 goto end; 726721a51838e3 Tom Zanussi 2020-05-28 358 726721a51838e3 Tom Zanussi 2020-05-28 359 fmt = synth_field_fmt(se->fields[i]->type); 726721a51838e3 Tom Zanussi 2020-05-28 360 726721a51838e3 Tom Zanussi 2020-05-28 361 /* parameter types */ 726721a51838e3 Tom Zanussi 2020-05-28 @362 if (tr && tr->trace_flags & TRACE_ITER_VERBOSE) 726721a51838e3 Tom Zanussi 2020-05-28 363 trace_seq_printf(s, "%s ", fmt); 726721a51838e3 Tom Zanussi 2020-05-28 364 726721a51838e3 Tom Zanussi 2020-05-28 365 snprintf(print_fmt, sizeof(print_fmt), "%%s=%s%%s", fmt); 726721a51838e3 Tom Zanussi 2020-05-28 366 726721a51838e3 Tom Zanussi 2020-05-28 367 /* parameter values */ 726721a51838e3 Tom Zanussi 2020-05-28 368 if (se->fields[i]->is_string) { bd82631d7ccdc8 Tom Zanussi 2020-10-04 369 if (se->fields[i]->is_dynamic) { ddeea494a16f32 Sven Schnelle 2023-08-16 370 union trace_synth_field *data = &entry->fields[n_u64]; bd82631d7ccdc8 Tom Zanussi 2020-10-04 371 bd82631d7ccdc8 Tom Zanussi 2020-10-04 372 trace_seq_printf(s, print_fmt, se->fields[i]->name, ddeea494a16f32 Sven Schnelle 2023-08-16 373 (char *)entry + data->as_dynamic.offset, bd82631d7ccdc8 Tom Zanussi 2020-10-04 374 i == se->n_fields - 1 ? "" : " "); bd82631d7ccdc8 Tom Zanussi 2020-10-04 375 n_u64++; bd82631d7ccdc8 Tom Zanussi 2020-10-04 376 } else { 726721a51838e3 Tom Zanussi 2020-05-28 377 trace_seq_printf(s, print_fmt, se->fields[i]->name, 8db4d6bfbbf920 Steven Rostedt (VMware 2020-10-04 378) STR_VAR_LEN_MAX, ddeea494a16f32 Sven Schnelle 2023-08-16 379 (char *)&entry->fields[n_u64].as_u64, 726721a51838e3 Tom Zanussi 2020-05-28 380 i == se->n_fields - 1 ? "" : " "); 726721a51838e3 Tom Zanussi 2020-05-28 381 n_u64 += STR_VAR_LEN_MAX / sizeof(u64); bd82631d7ccdc8 Tom Zanussi 2020-10-04 382 } 00cf3d672a9dd4 Steven Rostedt (Google 2023-01-17 383) } else if (se->fields[i]->is_stack) { ddeea494a16f32 Sven Schnelle 2023-08-16 384 union trace_synth_field *data = &entry->fields[n_u64]; 887f92e09ef34a Sven Schnelle 2023-08-16 385 unsigned long *p = (void *)entry + data->as_dynamic.offset; 00cf3d672a9dd4 Steven Rostedt (Google 2023-01-17 386) 00cf3d672a9dd4 Steven Rostedt (Google 2023-01-17 387) trace_seq_printf(s, "%s=STACK:\n", se->fields[i]->name); 887f92e09ef34a Sven Schnelle 2023-08-16 388 for (j = 1; j < data->as_dynamic.len / sizeof(long); j++) 887f92e09ef34a Sven Schnelle 2023-08-16 389 trace_seq_printf(s, "=> %pS\n", (void *)p[j]); 00cf3d672a9dd4 Steven Rostedt (Google 2023-01-17 390) n_u64++; 726721a51838e3 Tom Zanussi 2020-05-28 391 } else { 726721a51838e3 Tom Zanussi 2020-05-28 392 struct trace_print_flags __flags[] = { 726721a51838e3 Tom Zanussi 2020-05-28 393 __def_gfpflag_names, {-1, NULL} }; 726721a51838e3 Tom Zanussi 2020-05-28 394 char *space = (i == se->n_fields - 1 ? "" : " "); 726721a51838e3 Tom Zanussi 2020-05-28 395 726721a51838e3 Tom Zanussi 2020-05-28 396 print_synth_event_num_val(s, print_fmt, 726721a51838e3 Tom Zanussi 2020-05-28 397 se->fields[i]->name, 726721a51838e3 Tom Zanussi 2020-05-28 398 se->fields[i]->size, ddeea494a16f32 Sven Schnelle 2023-08-16 399 &entry->fields[n_u64], 726721a51838e3 Tom Zanussi 2020-05-28 400 space); 726721a51838e3 Tom Zanussi 2020-05-28 401 726721a51838e3 Tom Zanussi 2020-05-28 402 if (strcmp(se->fields[i]->type, "gfp_t") == 0) { 726721a51838e3 Tom Zanussi 2020-05-28 403 trace_seq_puts(s, " ("); 726721a51838e3 Tom Zanussi 2020-05-28 404 trace_print_flags_seq(s, "|", ddeea494a16f32 Sven Schnelle 2023-08-16 405 entry->fields[n_u64].as_u64, 726721a51838e3 Tom Zanussi 2020-05-28 406 __flags); 726721a51838e3 Tom Zanussi 2020-05-28 407 trace_seq_putc(s, ')'); 726721a51838e3 Tom Zanussi 2020-05-28 408 } 726721a51838e3 Tom Zanussi 2020-05-28 409 n_u64++; 726721a51838e3 Tom Zanussi 2020-05-28 410 } 726721a51838e3 Tom Zanussi 2020-05-28 411 } 726721a51838e3 Tom Zanussi 2020-05-28 412 end: 726721a51838e3 Tom Zanussi 2020-05-28 413 trace_seq_putc(s, '\n'); 726721a51838e3 Tom Zanussi 2020-05-28 414 726721a51838e3 Tom Zanussi 2020-05-28 415 return trace_handle_return(s); 726721a51838e3 Tom Zanussi 2020-05-28 416 } 726721a51838e3 Tom Zanussi 2020-05-28 417 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
