tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4f40be61af99a67d5580c1448acd9b74c0376389 commit: 07814a9439a3b03d79a1001614b5bc1cab69bcec [5677/13217] sched_ext: Print debug dump after an error exit config: sparc-randconfig-r052-20240716 (https://download.01.org/0day-ci/archive/20240716/202407161844.reewQQrR-lkp@xxxxxxxxx/config) compiler: sparc-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240716/202407161844.reewQQrR-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/202407161844.reewQQrR-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/rhashtable-types.h:12, from include/linux/sched/ext.h:13, from include/linux/sched.h:83, from include/linux/sched/signal.h:7, from include/linux/sched/cputime.h:5, from kernel/sched/build_policy.c:17: kernel/sched/ext.c: In function 'alloc_exit_info': kernel/sched/ext.c:2982:32: warning: 'kmalloc_array_noprof' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args] 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^ include/linux/alloc_tag.h:206:16: note: in definition of macro 'alloc_hooks_tag' 206 | typeof(_do_alloc) _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:701:49: note: in expansion of macro 'alloc_hooks' 701 | #define kmalloc_array(...) alloc_hooks(kmalloc_array_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ include/linux/slab.h:730:41: note: in expansion of macro 'kmalloc_array' 730 | #define kcalloc(n, size, flags) kmalloc_array(n, size, (flags) | __GFP_ZERO) | ^~~~~~~~~~~~~ kernel/sched/ext.c:2982:18: note: in expansion of macro 'kcalloc' 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^~~~~~~ kernel/sched/ext.c:2982:32: note: earlier argument should specify number of elements, later size of each element 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^ include/linux/alloc_tag.h:206:16: note: in definition of macro 'alloc_hooks_tag' 206 | typeof(_do_alloc) _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:701:49: note: in expansion of macro 'alloc_hooks' 701 | #define kmalloc_array(...) alloc_hooks(kmalloc_array_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ include/linux/slab.h:730:41: note: in expansion of macro 'kmalloc_array' 730 | #define kcalloc(n, size, flags) kmalloc_array(n, size, (flags) | __GFP_ZERO) | ^~~~~~~~~~~~~ kernel/sched/ext.c:2982:18: note: in expansion of macro 'kcalloc' 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^~~~~~~ kernel/sched/ext.c:2982:32: warning: 'kmalloc_array_noprof' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args] 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^ include/linux/alloc_tag.h:206:34: note: in definition of macro 'alloc_hooks_tag' 206 | typeof(_do_alloc) _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:701:49: note: in expansion of macro 'alloc_hooks' 701 | #define kmalloc_array(...) alloc_hooks(kmalloc_array_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ include/linux/slab.h:730:41: note: in expansion of macro 'kmalloc_array' 730 | #define kcalloc(n, size, flags) kmalloc_array(n, size, (flags) | __GFP_ZERO) | ^~~~~~~~~~~~~ kernel/sched/ext.c:2982:18: note: in expansion of macro 'kcalloc' 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^~~~~~~ kernel/sched/ext.c:2982:32: note: earlier argument should specify number of elements, later size of each element 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^ include/linux/alloc_tag.h:206:34: note: in definition of macro 'alloc_hooks_tag' 206 | typeof(_do_alloc) _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:701:49: note: in expansion of macro 'alloc_hooks' 701 | #define kmalloc_array(...) alloc_hooks(kmalloc_array_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ include/linux/slab.h:730:41: note: in expansion of macro 'kmalloc_array' 730 | #define kcalloc(n, size, flags) kmalloc_array(n, size, (flags) | __GFP_ZERO) | ^~~~~~~~~~~~~ kernel/sched/ext.c:2982:18: note: in expansion of macro 'kcalloc' 2982 | ei->bt = kcalloc(sizeof(ei->bt[0]), SCX_EXIT_BT_LEN, GFP_KERNEL); | ^~~~~~~ In file included from kernel/sched/build_policy.c:62: kernel/sched/ext.c: In function 'scx_ops_disable_workfn': kernel/sched/ext.c:3126:17: error: implicit declaration of function 'stack_trace_print'; did you mean 'event_trace_printk'? [-Wimplicit-function-declaration] 3126 | stack_trace_print(ei->bt, ei->bt_len, 2); | ^~~~~~~~~~~~~~~~~ | event_trace_printk kernel/sched/ext.c: In function 'scx_dump_task': >> kernel/sched/ext.c:3339:18: error: implicit declaration of function 'stack_trace_save_tsk' [-Wimplicit-function-declaration] 3339 | bt_len = stack_trace_save_tsk(p, bt, SCX_EXIT_BT_LEN, 1); | ^~~~~~~~~~~~~~~~~~~~ kernel/sched/ext.c: In function 'scx_ops_exit_kind': kernel/sched/ext.c:3485:30: error: implicit declaration of function 'stack_trace_save'; did you mean 'stack_tracer_enable'? [-Wimplicit-function-declaration] 3485 | ei->bt_len = stack_trace_save(ei->bt, SCX_EXIT_BT_LEN, 1); | ^~~~~~~~~~~~~~~~ | stack_tracer_enable vim +/stack_trace_save_tsk +3339 kernel/sched/ext.c 3308 3309 static void scx_dump_task(struct seq_buf *s, struct scx_dump_ctx *dctx, 3310 struct task_struct *p, char marker) 3311 { 3312 static unsigned long bt[SCX_EXIT_BT_LEN]; 3313 char dsq_id_buf[19] = "(n/a)"; 3314 unsigned long ops_state = atomic_long_read(&p->scx.ops_state); 3315 unsigned int bt_len; 3316 3317 if (p->scx.dsq) 3318 scnprintf(dsq_id_buf, sizeof(dsq_id_buf), "0x%llx", 3319 (unsigned long long)p->scx.dsq->id); 3320 3321 dump_newline(s); 3322 dump_line(s, " %c%c %s[%d] %+ldms", 3323 marker, task_state_to_char(p), p->comm, p->pid, 3324 jiffies_delta_msecs(p->scx.runnable_at, dctx->at_jiffies)); 3325 dump_line(s, " scx_state/flags=%u/0x%x ops_state/qseq=%lu/%lu", 3326 scx_get_task_state(p), p->scx.flags & ~SCX_TASK_STATE_MASK, 3327 ops_state & SCX_OPSS_STATE_MASK, 3328 ops_state >> SCX_OPSS_QSEQ_SHIFT); 3329 dump_line(s, " sticky/holding_cpu=%d/%d dsq_id=%s", 3330 p->scx.sticky_cpu, p->scx.holding_cpu, dsq_id_buf); 3331 dump_line(s, " cpus=%*pb", cpumask_pr_args(p->cpus_ptr)); 3332 3333 if (SCX_HAS_OP(dump_task)) { 3334 ops_dump_init(s, " "); 3335 SCX_CALL_OP(SCX_KF_REST, dump_task, dctx, p); 3336 ops_dump_exit(); 3337 } 3338 > 3339 bt_len = stack_trace_save_tsk(p, bt, SCX_EXIT_BT_LEN, 1); 3340 if (bt_len) { 3341 dump_newline(s); 3342 dump_stack_trace(s, " ", bt, bt_len); 3343 } 3344 } 3345 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
