[openeuler:openEuler-1.0-LTS 1365/1365] kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus'
Hi Hui, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 4c116febc8d53bc1f8f25a3d60db331f17ab8cd8 commit: ebca52abe099caa97d7669d0acc71209ea80cfec [1365/1365] sched: Add statistics for scheduler dynamic affinity config: x86_64-randconfig-r062-20250103 (https://download.01.org/0day-ci/archive/20250103/202501030826.kEDgBIqw-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250103/202501030826.kEDgBIqw-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202501030826.kEDgBIqw-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/debug.c:815:6: warning: no previous prototype for 'sysrq_sched_debug_tidy' [-Wmissing-prototypes] 815 | void sysrq_sched_debug_tidy(void) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/debug.c: In function 'proc_sched_show_task':
kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~ kernel/sched/debug.c:21:31: note: in definition of macro 'SEQ_printf' 21 | seq_printf(m, x); \ | ^ kernel/sched/debug.c:990:17: note: in expansion of macro '__P' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~~ In file included from include/linux/kernel.h:14, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/sched.h:12, from kernel/sched/sched.h:5, from kernel/sched/debug.c:12: kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~ include/linux/printk.h:362:33: note: in definition of macro 'pr_cont' 362 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ kernel/sched/debug.c:939:9: note: in expansion of macro 'SEQ_printf' 939 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) | ^~~~~~~~~~ kernel/sched/debug.c:990:17: note: in expansion of macro '__P' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~~ kernel/sched/debug.c:991:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_force_preferred_cpus' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~ kernel/sched/debug.c:21:31: note: in definition of macro 'SEQ_printf' 21 | seq_printf(m, x); \ | ^ kernel/sched/debug.c:991:17: note: in expansion of macro '__P' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~~ kernel/sched/debug.c:991:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_force_preferred_cpus' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~ include/linux/printk.h:362:33: note: in definition of macro 'pr_cont' 362 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ kernel/sched/debug.c:939:9: note: in expansion of macro 'SEQ_printf' 939 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) | ^~~~~~~~~~ kernel/sched/debug.c:991:17: note: in expansion of macro '__P' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~~ In file included from include/linux/migrate.h:6, from kernel/sched/sched.h:52: include/linux/mempolicy.h: At top level: include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~
vim +990 kernel/sched/debug.c 814
815 void sysrq_sched_debug_tidy(void) 816 { 817 int cpu; 818 819 SEQ_printf(NULL, "Sched Debug Version: v0.11, %s %.*s\n", 820 init_utsname()->release, 821 (int)strcspn(init_utsname()->version, " "), 822 init_utsname()->version); 823 824 for_each_online_cpu(cpu) 825 print_cpu_tidy(NULL, cpu); 826 } 827 828 /* 829 * This itererator needs some explanation. 830 * It returns 1 for the header position. 831 * This means 2 is CPU 0. 832 * In a hotplugged system some CPUs, including CPU 0, may be missing so we have 833 * to use cpumask_* to iterate over the CPUs. 834 */ 835 static void *sched_debug_start(struct seq_file *file, loff_t *offset) 836 { 837 unsigned long n = *offset; 838 839 if (n == 0) 840 return (void *) 1; 841 842 n--; 843 844 if (n > 0) 845 n = cpumask_next(n - 1, cpu_online_mask); 846 else 847 n = cpumask_first(cpu_online_mask); 848 849 *offset = n + 1; 850 851 if (n < nr_cpu_ids) 852 return (void *)(unsigned long)(n + 2); 853 854 return NULL; 855 } 856 857 static void *sched_debug_next(struct seq_file *file, void *data, loff_t *offset) 858 { 859 (*offset)++; 860 return sched_debug_start(file, offset); 861 } 862 863 static void sched_debug_stop(struct seq_file *file, void *data) 864 { 865 } 866 867 static const struct seq_operations sched_debug_sops = { 868 .start = sched_debug_start, 869 .next = sched_debug_next, 870 .stop = sched_debug_stop, 871 .show = sched_debug_show, 872 }; 873 874 static int __init init_sched_debug_procfs(void) 875 { 876 if (!proc_create_seq("sched_debug", 0444, NULL, &sched_debug_sops)) 877 return -ENOMEM; 878 return 0; 879 } 880 881 __initcall(init_sched_debug_procfs); 882 883 #define __P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) 884 #define P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) 885 #define __PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) 886 #define PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) 887 888 889 #ifdef CONFIG_NUMA_BALANCING 890 void print_numa_stats(struct seq_file *m, int node, unsigned long tsf, 891 unsigned long tpf, unsigned long gsf, unsigned long gpf) 892 { 893 SEQ_printf(m, "numa_faults node=%d ", node); 894 SEQ_printf(m, "task_private=%lu task_shared=%lu ", tpf, tsf); 895 SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gpf, gsf); 896 } 897 #endif 898 899 900 static void sched_show_numa(struct task_struct *p, struct seq_file *m) 901 { 902 #ifdef CONFIG_NUMA_BALANCING 903 struct mempolicy *pol; 904 905 if (p->mm) 906 P(mm->numa_scan_seq); 907 908 task_lock(p); 909 pol = p->mempolicy; 910 if (pol && !(pol->flags & MPOL_F_MORON)) 911 pol = NULL; 912 mpol_get(pol); 913 task_unlock(p); 914 915 P(numa_pages_migrated); 916 P(numa_preferred_nid); 917 P(total_numa_faults); 918 SEQ_printf(m, "current_node=%d, numa_group_id=%d\n", 919 task_node(p), task_numa_group_id(p)); 920 show_numa_stats(p, m); 921 mpol_put(pol); 922 #endif 923 } 924 925 void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, 926 struct seq_file *m) 927 { 928 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY 929 struct dyn_affinity_stats *dyn_affi = p->se.dyn_affi_stats; 930 #endif 931 unsigned long nr_switches; 932 933 SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr_ns(p, ns), 934 get_nr_threads(p)); 935 SEQ_printf(m, 936 "---------------------------------------------------------" 937 "----------\n"); 938 #define __P(F) \ 939 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) 940 #define P(F) \ 941 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) 942 #define P_SCHEDSTAT(F) \ 943 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F)) 944 #define __PN(F) \ 945 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) 946 #define PN(F) \ 947 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) 948 #define PN_SCHEDSTAT(F) \ 949 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F))) 950 951 PN(se.exec_start); 952 PN(se.vruntime); 953 PN(se.sum_exec_runtime); 954 955 nr_switches = p->nvcsw + p->nivcsw; 956 957 P(se.nr_migrations); 958 959 if (schedstat_enabled()) { 960 u64 avg_atom, avg_per_cpu; 961 962 PN_SCHEDSTAT(se.statistics.sum_sleep_runtime); 963 PN_SCHEDSTAT(se.statistics.wait_start); 964 PN_SCHEDSTAT(se.statistics.sleep_start); 965 PN_SCHEDSTAT(se.statistics.block_start); 966 PN_SCHEDSTAT(se.statistics.sleep_max); 967 PN_SCHEDSTAT(se.statistics.block_max); 968 PN_SCHEDSTAT(se.statistics.exec_max); 969 PN_SCHEDSTAT(se.statistics.slice_max); 970 PN_SCHEDSTAT(se.statistics.wait_max); 971 PN_SCHEDSTAT(se.statistics.wait_sum); 972 P_SCHEDSTAT(se.statistics.wait_count); 973 PN_SCHEDSTAT(se.statistics.iowait_sum); 974 P_SCHEDSTAT(se.statistics.iowait_count); 975 P_SCHEDSTAT(se.statistics.nr_migrations_cold); 976 P_SCHEDSTAT(se.statistics.nr_failed_migrations_affine); 977 P_SCHEDSTAT(se.statistics.nr_failed_migrations_running); 978 P_SCHEDSTAT(se.statistics.nr_failed_migrations_hot); 979 P_SCHEDSTAT(se.statistics.nr_forced_migrations); 980 P_SCHEDSTAT(se.statistics.nr_wakeups); 981 P_SCHEDSTAT(se.statistics.nr_wakeups_sync); 982 P_SCHEDSTAT(se.statistics.nr_wakeups_migrate); 983 P_SCHEDSTAT(se.statistics.nr_wakeups_local); 984 P_SCHEDSTAT(se.statistics.nr_wakeups_remote); 985 P_SCHEDSTAT(se.statistics.nr_wakeups_affine); 986 P_SCHEDSTAT(se.statistics.nr_wakeups_affine_attempts); 987 P_SCHEDSTAT(se.statistics.nr_wakeups_passive); 988 P_SCHEDSTAT(se.statistics.nr_wakeups_idle); 989 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY 990 __P(dyn_affi->nr_wakeups_preferred_cpus); 991 __P(dyn_affi->nr_wakeups_force_preferred_cpus); 992 #endif 993 994 avg_atom = p->se.sum_exec_runtime; 995 if (nr_switches) 996 avg_atom = div64_ul(avg_atom, nr_switches); 997 else 998 avg_atom = -1LL; 999 1000 avg_per_cpu = p->se.sum_exec_runtime; 1001 if (p->se.nr_migrations) { 1002 avg_per_cpu = div64_u64(avg_per_cpu, 1003 p->se.nr_migrations); 1004 } else { 1005 avg_per_cpu = -1LL; 1006 } 1007 1008 __PN(avg_atom); 1009 __PN(avg_per_cpu); 1010 } 1011 1012 __P(nr_switches); 1013 SEQ_printf(m, "%-45s:%21Ld\n", 1014 "nr_voluntary_switches", (long long)p->nvcsw); 1015 SEQ_printf(m, "%-45s:%21Ld\n", 1016 "nr_involuntary_switches", (long long)p->nivcsw); 1017 1018 P(se.load.weight); 1019 P(se.runnable_weight); 1020 #ifdef CONFIG_SMP 1021 P(se.avg.load_sum); 1022 P(se.avg.runnable_load_sum); 1023 P(se.avg.util_sum); 1024 P(se.avg.load_avg); 1025 P(se.avg.runnable_load_avg); 1026 P(se.avg.util_avg); 1027 P(se.avg.last_update_time); 1028 P(se.avg.util_est.ewma); 1029 P(se.avg.util_est.enqueued); 1030 #endif 1031 P(policy); 1032 P(prio); 1033 if (task_has_dl_policy(p)) { 1034 P(dl.runtime); 1035 P(dl.deadline); 1036 } 1037 #undef PN_SCHEDSTAT 1038 #undef PN 1039 #undef __PN 1040 #undef P_SCHEDSTAT 1041 #undef P 1042 #undef __P 1043 1044 { 1045 unsigned int this_cpu = raw_smp_processor_id(); 1046 u64 t0, t1; 1047 1048 t0 = cpu_clock(this_cpu); 1049 t1 = cpu_clock(this_cpu); 1050 SEQ_printf(m, "%-45s:%21Ld\n", 1051 "clock-delta", (long long)(t1-t0)); 1052 } 1053 1054 sched_show_numa(p, m); 1055 } 1056
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