* [openeuler:OLK-6.6 1812/3958] kernel/sched/fair.c:175:5: sparse: sparse: symbol 'sysctl_sched_util_low_pct' was not declared. Should it be static?
@ 2024-03-13 13:19 kernel test robot
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From: kernel test robot @ 2024-03-13 13:19 UTC (permalink / raw)
To: kernel, Hui Tang; +Cc: oe-kbuild-all
tree: https://gitee.com/openeuler/kernel.git OLK-6.6
head: f066d3699b4816fda2b6f452885b51bd22199c43
commit: 2e1dfc02d115143587ccfee1815ad295763050f2 [1812/3958] sched: Adjust wakeup cpu range according CPU util dynamicly
config: x86_64-randconfig-123-20240313 (https://download.01.org/0day-ci/archive/20240313/202403132127.OaVz6UjY-lkp@intel.com/config)
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/20240313/202403132127.OaVz6UjY-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403132127.OaVz6UjY-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/fair.c:143:14: sparse: sparse: symbol 'sysctl_overload_detect_period' was not declared. Should it be static?
kernel/sched/fair.c:144:14: sparse: sparse: symbol 'sysctl_offline_wait_interval' was not declared. Should it be static?
>> kernel/sched/fair.c:175:5: sparse: sparse: symbol 'sysctl_sched_util_low_pct' was not declared. Should it be static?
kernel/sched/fair.c:1256:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity const *se @@ got struct sched_entity [noderef] __rcu * @@
kernel/sched/fair.c:1256:34: sparse: expected struct sched_entity const *se
kernel/sched/fair.c:1256:34: sparse: got struct sched_entity [noderef] __rcu *
kernel/sched/fair.c:3039:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/fair.c:3039:13: sparse: expected struct task_struct *tsk
kernel/sched/fair.c:3039:13: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/fair.c:12740:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/fair.c:12740:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12740:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:5891:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/fair.c:5891:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/fair.c:5891:22: sparse: struct task_struct *
kernel/sched/fair.c:6633:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/fair.c:6633:38: sparse: expected struct task_struct *curr
kernel/sched/fair.c:6633:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:7964:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/fair.c:7964:20: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:7964:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:8258:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/fair.c:8258:9: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/fair.c:8258:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:8367:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/fair.c:8367:38: sparse: expected struct task_struct *curr
kernel/sched/fair.c:8367:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:8587:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/fair.c:8587:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/fair.c:8587:22: sparse: struct task_struct *
kernel/sched/fair.c:8941:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/fair.c:8941:38: sparse: expected struct task_struct *curr
kernel/sched/fair.c:8941:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/fair.c:9934:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/fair.c:9934:40: sparse: expected struct sched_domain *child
kernel/sched/fair.c:9934:40: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/fair.c:10571:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/fair.c:10571:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/fair.c:10571:22: sparse: struct task_struct *
kernel/sched/fair.c:12012:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/fair.c:12012:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12012:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:11669:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *sd_parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/fair.c:11669:44: sparse: expected struct sched_domain *sd_parent
kernel/sched/fair.c:11669:44: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:12108:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/fair.c:12108:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/fair.c:12108:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/fair.c:2985:9: sparse: sparse: context imbalance in 'task_numa_placement' - different lock contexts for basic block
kernel/sched/fair.c: note: in included file:
kernel/sched/sched.h:2145:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2145:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2145:25: sparse: struct task_struct *
kernel/sched/sched.h:2309:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2309:9: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2309:9: sparse: struct task_struct *
kernel/sched/sched.h:2145:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2145:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2145:25: sparse: struct task_struct *
kernel/sched/sched.h:2145:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2145:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2145:25: sparse: struct task_struct *
vim +/sysctl_sched_util_low_pct +175 kernel/sched/fair.c
64
65 /*
66 * The initial- and re-scaling of tunables is configurable
67 *
68 * Options are:
69 *
70 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
71 * SCHED_TUNABLESCALING_LOG - scaled logarithmical, *1+ilog(ncpus)
72 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
73 *
74 * (default SCHED_TUNABLESCALING_LOG = *(1+ilog(ncpus))
75 */
> 76 unsigned int sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_LOG;
77
78 /*
79 * Minimal preemption granularity for CPU-bound tasks:
80 *
81 * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds)
82 */
83 unsigned int sysctl_sched_base_slice = 750000ULL;
84 static unsigned int normalized_sysctl_sched_base_slice = 750000ULL;
85
86 /*
87 * After fork, child runs first. If set to 0 (default) then
88 * parent will (try to) run first.
89 */
90 unsigned int sysctl_sched_child_runs_first __read_mostly;
91
92 const_debug unsigned int sysctl_sched_migration_cost = 500000UL;
93
94 int sched_thermal_decay_shift;
95 static int __init setup_sched_thermal_decay_shift(char *str)
96 {
97 int _shift = 0;
98
99 if (kstrtoint(str, 0, &_shift))
100 pr_warn("Unable to set scheduler thermal pressure decay shift parameter\n");
101
102 sched_thermal_decay_shift = clamp(_shift, 0, 10);
103 return 1;
104 }
105 __setup("sched_thermal_decay_shift=", setup_sched_thermal_decay_shift);
106
107 #ifdef CONFIG_SMP
108 /*
109 * For asym packing, by default the lower numbered CPU has higher priority.
110 */
111 int __weak arch_asym_cpu_priority(int cpu)
112 {
113 return -cpu;
114 }
115
116 /*
117 * The margin used when comparing utilization with CPU capacity.
118 *
119 * (default: ~20%)
120 */
121 #define fits_capacity(cap, max) ((cap) * 1280 < (max) * 1024)
122
123 /*
124 * The margin used when comparing CPU capacities.
125 * is 'cap1' noticeably greater than 'cap2'
126 *
127 * (default: ~5%)
128 */
129 #define capacity_greater(cap1, cap2) ((cap1) * 1024 > (cap2) * 1078)
130 #endif
131
132 #ifdef CONFIG_QOS_SCHED
133
134 /*
135 * To distinguish cfs bw, use QOS_THROTTLED mark cfs_rq->throttled
136 * when qos throttled(and cfs bw throttle mark cfs_rq->throttled as 1).
137 */
138 #define QOS_THROTTLED 2
139
140 static DEFINE_PER_CPU_SHARED_ALIGNED(struct list_head, qos_throttled_cfs_rq);
141 static DEFINE_PER_CPU_SHARED_ALIGNED(struct hrtimer, qos_overload_timer);
142 static DEFINE_PER_CPU(int, qos_cpu_overload);
143 unsigned int sysctl_overload_detect_period = 5000; /* in ms */
144 unsigned int sysctl_offline_wait_interval = 100; /* in ms */
145 static int one_thousand = 1000;
146 static int hundred_thousand = 100000;
147 static int unthrottle_qos_cfs_rqs(int cpu);
148 #endif
149
150 #ifdef CONFIG_CFS_BANDWIDTH
151 /*
152 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
153 * each time a cfs_rq requests quota.
154 *
155 * Note: in the case that the slice exceeds the runtime remaining (either due
156 * to consumption or the quota being specified to be smaller than the slice)
157 * we will always only issue the remaining available time.
158 *
159 * (default: 5 msec, units: microseconds)
160 */
161 static unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL;
162 #endif
163
164 #ifdef CONFIG_NUMA_BALANCING
165 /* Restrict the NUMA promotion throughput (MB/s) for each target node. */
166 static unsigned int sysctl_numa_balancing_promote_rate_limit = 65536;
167 #endif
168
169 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY
170 /*
171 * Low utilization threshold for CPU
172 *
173 * (default: 85%), units: percentage of CPU utilization)
174 */
> 175 int sysctl_sched_util_low_pct = 85;
176 #endif
177
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2024-03-13 13:19 [openeuler:OLK-6.6 1812/3958] kernel/sched/fair.c:175:5: sparse: sparse: symbol 'sysctl_sched_util_low_pct' was not declared. Should it be static? kernel test robot
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