Hi Masami, kernel test robot noticed the following build warnings:
[auto build test WARNING on trace/for-next] [also build test WARNING on linus/master v6.17-rc7 next-20250922] [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/20250922-204945 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/175854517136.353182.4018685864707176851.stgit%40devnote2 patch subject: [PATCH v2 1/2] tracing: Allow tracer to add more than 32 options config: sh-randconfig-001-20250923 (https://download.01.org/0day-ci/archive/20250923/[email protected]/config) compiler: sh4-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250923/[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 kernel/trace/fgraph.c:20: kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_STACKTRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1351:17: note: in expansion of macro 'C' 1351 | C(STACKTRACE, "stacktrace") | ^ kernel/trace/trace.h:1393:17: note: in expansion of macro 'STACK_FLAGS' 1393 | STACK_FLAGS \ | ^~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ >> kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_DISPLAY_GRAPH' defined >> but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1326:17: note: in expansion of macro 'C' 1326 | C(DISPLAY_GRAPH, "display-graph") | ^ kernel/trace/trace.h:1392:17: note: in expansion of macro 'FGRAPH_FLAGS' 1392 | FGRAPH_FLAGS \ | ^~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_FUNC_FORK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1341:17: note: in expansion of macro 'C' 1341 | C(FUNC_FORK, "function-fork") | ^ kernel/trace/trace.h:1391:17: note: in expansion of macro 'FUNCTION_FLAGS' 1391 | FUNCTION_FLAGS \ | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_FUNCTION' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1340:17: note: in expansion of macro 'C' 1340 | C(FUNCTION, "function-trace") \ | ^ kernel/trace/trace.h:1391:17: note: in expansion of macro 'FUNCTION_FLAGS' 1391 | FUNCTION_FLAGS \ | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_HASH_PTR' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1390:17: note: in expansion of macro 'C' 1390 | C(HASH_PTR, "hash-ptr") /* Print hashed pointer */ \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_PAUSE_ON_TRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1389:17: note: in expansion of macro 'C' 1389 | C(PAUSE_ON_TRACE, "pause-on-trace") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_COPY_MARKER' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1388:17: note: in expansion of macro 'C' 1388 | C(COPY_MARKER, "copy_trace_marker")\ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_TRACE_PRINTK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1387:17: note: in expansion of macro 'C' 1387 | C(TRACE_PRINTK, "trace_printk_dest") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_EVENT_FORK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1386:17: note: in expansion of macro 'C' 1386 | C(EVENT_FORK, "event-fork") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_MARKERS' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1385:17: note: in expansion of macro 'C' 1385 | C(MARKERS, "markers") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_IRQ_INFO' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1384:17: note: in expansion of macro 'C' 1384 | C(IRQ_INFO, "irq-info") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_STOP_ON_FREE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); -- In file included from kernel/trace/trace.c:58: >> kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_DISPLAY_GRAPH' defined >> but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1326:17: note: in expansion of macro 'C' 1326 | C(DISPLAY_GRAPH, "display-graph") | ^ kernel/trace/trace.h:1392:17: note: in expansion of macro 'FGRAPH_FLAGS' 1392 | FGRAPH_FLAGS \ | ^~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_USERSTACKTRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1375:17: note: in expansion of macro 'C' 1375 | C(USERSTACKTRACE, "userstacktrace") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:6792: Error: offset to unaligned destination {standard input}:24045: Error: offset to unaligned destination {standard input}:24422: Error: offset to unaligned destination {standard input}:32500: Error: offset to unaligned destination -- In file included from kernel/trace/trace_output.h:6, from kernel/trace/trace_events.c:31: kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_STACKTRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1351:17: note: in expansion of macro 'C' 1351 | C(STACKTRACE, "stacktrace") | ^ kernel/trace/trace.h:1393:17: note: in expansion of macro 'STACK_FLAGS' 1393 | STACK_FLAGS \ | ^~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ >> kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_DISPLAY_GRAPH' defined >> but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1326:17: note: in expansion of macro 'C' 1326 | C(DISPLAY_GRAPH, "display-graph") | ^ kernel/trace/trace.h:1392:17: note: in expansion of macro 'FGRAPH_FLAGS' 1392 | FGRAPH_FLAGS \ | ^~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_FUNC_FORK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1341:17: note: in expansion of macro 'C' 1341 | C(FUNC_FORK, "function-fork") | ^ kernel/trace/trace.h:1391:17: note: in expansion of macro 'FUNCTION_FLAGS' 1391 | FUNCTION_FLAGS \ | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_FUNCTION' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1340:17: note: in expansion of macro 'C' 1340 | C(FUNCTION, "function-trace") \ | ^ kernel/trace/trace.h:1391:17: note: in expansion of macro 'FUNCTION_FLAGS' 1391 | FUNCTION_FLAGS \ | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_HASH_PTR' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1390:17: note: in expansion of macro 'C' 1390 | C(HASH_PTR, "hash-ptr") /* Print hashed pointer */ \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_PAUSE_ON_TRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1389:17: note: in expansion of macro 'C' 1389 | C(PAUSE_ON_TRACE, "pause-on-trace") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_COPY_MARKER' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1388:17: note: in expansion of macro 'C' 1388 | C(COPY_MARKER, "copy_trace_marker")\ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_TRACE_PRINTK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1387:17: note: in expansion of macro 'C' 1387 | C(TRACE_PRINTK, "trace_printk_dest") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_EVENT_FORK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1386:17: note: in expansion of macro 'C' 1386 | C(EVENT_FORK, "event-fork") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_MARKERS' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1385:17: note: in expansion of macro 'C' 1385 | C(MARKERS, "markers") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_IRQ_INFO' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1384:17: note: in expansion of macro 'C' 1384 | C(IRQ_INFO, "irq-info") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_STOP_ON_FREE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); -- In file included from kernel/trace/ring_buffer.c:36: kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_STACKTRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1351:17: note: in expansion of macro 'C' 1351 | C(STACKTRACE, "stacktrace") | ^ kernel/trace/trace.h:1393:17: note: in expansion of macro 'STACK_FLAGS' 1393 | STACK_FLAGS \ | ^~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ >> kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_DISPLAY_GRAPH' defined >> but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1326:17: note: in expansion of macro 'C' 1326 | C(DISPLAY_GRAPH, "display-graph") | ^ kernel/trace/trace.h:1392:17: note: in expansion of macro 'FGRAPH_FLAGS' 1392 | FGRAPH_FLAGS \ | ^~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_FUNC_FORK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1341:17: note: in expansion of macro 'C' 1341 | C(FUNC_FORK, "function-fork") | ^ kernel/trace/trace.h:1391:17: note: in expansion of macro 'FUNCTION_FLAGS' 1391 | FUNCTION_FLAGS \ | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_FUNCTION' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1340:17: note: in expansion of macro 'C' 1340 | C(FUNCTION, "function-trace") \ | ^ kernel/trace/trace.h:1391:17: note: in expansion of macro 'FUNCTION_FLAGS' 1391 | FUNCTION_FLAGS \ | ^~~~~~~~~~~~~~ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_HASH_PTR' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1390:17: note: in expansion of macro 'C' 1390 | C(HASH_PTR, "hash-ptr") /* Print hashed pointer */ \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_PAUSE_ON_TRACE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1389:17: note: in expansion of macro 'C' 1389 | C(PAUSE_ON_TRACE, "pause-on-trace") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_COPY_MARKER' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1388:17: note: in expansion of macro 'C' 1388 | C(COPY_MARKER, "copy_trace_marker")\ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_TRACE_PRINTK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1387:17: note: in expansion of macro 'C' 1387 | C(TRACE_PRINTK, "trace_printk_dest") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_EVENT_FORK' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1386:17: note: in expansion of macro 'C' 1386 | C(EVENT_FORK, "event-fork") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_MARKERS' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1385:17: note: in expansion of macro 'C' 1385 | C(MARKERS, "markers") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_IRQ_INFO' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); | ^~~~~~~~~~~ kernel/trace/trace.h:1384:17: note: in expansion of macro 'C' 1384 | C(IRQ_INFO, "irq-info") \ | ^ kernel/trace/trace.h:1416:1: note: in expansion of macro 'TRACE_FLAGS' 1416 | TRACE_FLAGS | ^~~~~~~~~~~ kernel/trace/trace.h:1414:34: warning: 'TRACE_ITER_STOP_ON_FREE' defined but not used [-Wunused-const-variable=] 1414 | #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << TRACE_ITER_##a##_BIT); .. vim +/TRACE_ITER_DISPLAY_GRAPH +1414 kernel/trace/trace.h 1348 1349 #ifdef CONFIG_STACKTRACE 1350 # define STACK_FLAGS \ > 1351 C(STACKTRACE, "stacktrace") 1352 #else 1353 # define STACK_FLAGS 1354 #endif 1355 1356 /* 1357 * trace_iterator_flags is an enumeration that defines bit 1358 * positions into trace_flags that controls the output. 1359 * 1360 * NOTE: These bits must match the trace_options array in 1361 * trace.c (this macro guarantees it). 1362 */ 1363 #define TRACE_FLAGS \ 1364 C(PRINT_PARENT, "print-parent") \ 1365 C(SYM_OFFSET, "sym-offset") \ 1366 C(SYM_ADDR, "sym-addr") \ 1367 C(VERBOSE, "verbose") \ 1368 C(RAW, "raw") \ 1369 C(HEX, "hex") \ 1370 C(BIN, "bin") \ 1371 C(BLOCK, "block") \ 1372 C(FIELDS, "fields") \ 1373 C(PRINTK, "trace_printk") \ 1374 C(ANNOTATE, "annotate") \ 1375 C(USERSTACKTRACE, "userstacktrace") \ 1376 C(SYM_USEROBJ, "sym-userobj") \ 1377 C(PRINTK_MSGONLY, "printk-msg-only") \ 1378 C(CONTEXT_INFO, "context-info") /* Print pid/cpu/time */ \ 1379 C(LATENCY_FMT, "latency-format") \ 1380 C(RECORD_CMD, "record-cmd") \ 1381 C(RECORD_TGID, "record-tgid") \ 1382 C(OVERWRITE, "overwrite") \ 1383 C(STOP_ON_FREE, "disable_on_free") \ 1384 C(IRQ_INFO, "irq-info") \ 1385 C(MARKERS, "markers") \ 1386 C(EVENT_FORK, "event-fork") \ 1387 C(TRACE_PRINTK, "trace_printk_dest") \ 1388 C(COPY_MARKER, "copy_trace_marker")\ 1389 C(PAUSE_ON_TRACE, "pause-on-trace") \ 1390 C(HASH_PTR, "hash-ptr") /* Print hashed pointer */ \ 1391 FUNCTION_FLAGS \ 1392 FGRAPH_FLAGS \ 1393 STACK_FLAGS \ 1394 BRANCH_FLAGS 1395 1396 /* 1397 * By defining C, we can make TRACE_FLAGS a list of bit names 1398 * that will define the bits for the flag masks. 1399 */ 1400 #undef C 1401 #define C(a, b) TRACE_ITER_##a##_BIT, 1402 1403 enum trace_iterator_bits { 1404 TRACE_FLAGS 1405 /* Make sure we don't go more than we have bits for */ 1406 TRACE_ITER_LAST_BIT 1407 }; 1408 1409 /* 1410 * By redefining C, we can make TRACE_FLAGS a list of masks that 1411 * use the bits as defined above. 1412 */ 1413 #undef C > 1414 #define C(a, b) static const u64 TRACE_ITER_##a = (1ULL << > TRACE_ITER_##a##_BIT); 1415 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
