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Diffstat (limited to 'kernel/sched/debug.c')
-rw-r--r--kernel/sched/debug.c51
1 files changed, 12 insertions, 39 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 9d71baf08075..3f06ab84d53f 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -6,6 +6,9 @@
*
* Copyright(C) 2007, Red Hat, Inc., Ingo Molnar
*/
+#include <linux/debugfs.h>
+#include <linux/nmi.h>
+#include "sched.h"
/*
* This allows printing both to /sys/kernel/debug/sched/debug and
@@ -90,10 +93,10 @@ static void sched_feat_enable(int i)
{
static_key_enable_cpuslocked(&sched_feat_keys[i]);
}
-#else
+#else /* !CONFIG_JUMP_LABEL: */
static void sched_feat_disable(int i) { };
static void sched_feat_enable(int i) { };
-#endif /* CONFIG_JUMP_LABEL */
+#endif /* !CONFIG_JUMP_LABEL */
static int sched_feat_set(char *cmp)
{
@@ -166,8 +169,6 @@ static const struct file_operations sched_feat_fops = {
.release = single_release,
};
-#ifdef CONFIG_SMP
-
static ssize_t sched_scaling_write(struct file *filp, const char __user *ubuf,
size_t cnt, loff_t *ppos)
{
@@ -214,8 +215,6 @@ static const struct file_operations sched_scaling_fops = {
.release = single_release,
};
-#endif /* SMP */
-
#ifdef CONFIG_PREEMPT_DYNAMIC
static ssize_t sched_dynamic_write(struct file *filp, const char __user *ubuf,
@@ -283,7 +282,6 @@ static const struct file_operations sched_dynamic_fops = {
__read_mostly bool sched_debug_verbose;
-#ifdef CONFIG_SMP
static struct dentry *sd_dentry;
@@ -311,9 +309,6 @@ static ssize_t sched_verbose_write(struct file *filp, const char __user *ubuf,
return result;
}
-#else
-#define sched_verbose_write debugfs_write_file_bool
-#endif
static const struct file_operations sched_verbose_fops = {
.read = debugfs_read_file_bool,
@@ -512,7 +507,6 @@ static __init int sched_init_debug(void)
debugfs_create_u32("latency_warn_ms", 0644, debugfs_sched, &sysctl_resched_latency_warn_ms);
debugfs_create_u32("latency_warn_once", 0644, debugfs_sched, &sysctl_resched_latency_warn_once);
-#ifdef CONFIG_SMP
debugfs_create_file("tunable_scaling", 0644, debugfs_sched, NULL, &sched_scaling_fops);
debugfs_create_u32("migration_cost_ns", 0644, debugfs_sched, &sysctl_sched_migration_cost);
debugfs_create_u32("nr_migrate", 0644, debugfs_sched, &sysctl_sched_nr_migrate);
@@ -520,7 +514,6 @@ static __init int sched_init_debug(void)
sched_domains_mutex_lock();
update_sched_domain_debugfs();
sched_domains_mutex_unlock();
-#endif
#ifdef CONFIG_NUMA_BALANCING
numa = debugfs_create_dir("numa_balancing", debugfs_sched);
@@ -530,7 +523,7 @@ static __init int sched_init_debug(void)
debugfs_create_u32("scan_period_max_ms", 0644, numa, &sysctl_numa_balancing_scan_period_max);
debugfs_create_u32("scan_size_mb", 0644, numa, &sysctl_numa_balancing_scan_size);
debugfs_create_u32("hot_threshold_ms", 0644, numa, &sysctl_numa_balancing_hot_threshold);
-#endif
+#endif /* CONFIG_NUMA_BALANCING */
debugfs_create_file("debug", 0444, debugfs_sched, NULL, &sched_debug_fops);
@@ -540,8 +533,6 @@ static __init int sched_init_debug(void)
}
late_initcall(sched_init_debug);
-#ifdef CONFIG_SMP
-
static cpumask_var_t sd_sysctl_cpus;
static int sd_flags_show(struct seq_file *m, void *v)
@@ -652,8 +643,6 @@ void dirty_sched_domain_sysctl(int cpu)
__cpumask_set_cpu(cpu, sd_sysctl_cpus);
}
-#endif /* CONFIG_SMP */
-
#ifdef CONFIG_FAIR_GROUP_SCHED
static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group *tg)
{
@@ -690,18 +679,16 @@ static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group
}
P(se->load.weight);
-#ifdef CONFIG_SMP
P(se->avg.load_avg);
P(se->avg.util_avg);
P(se->avg.runnable_avg);
-#endif
#undef PN_SCHEDSTAT
#undef PN
#undef P_SCHEDSTAT
#undef P
}
-#endif
+#endif /* CONFIG_FAIR_GROUP_SCHED */
#ifdef CONFIG_CGROUP_SCHED
static DEFINE_SPINLOCK(sched_debug_lock);
@@ -854,7 +841,6 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
SEQ_printf(m, " .%-30s: %d\n", "h_nr_queued", cfs_rq->h_nr_queued);
SEQ_printf(m, " .%-30s: %d\n", "h_nr_idle", cfs_rq->h_nr_idle);
SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);
-#ifdef CONFIG_SMP
SEQ_printf(m, " .%-30s: %lu\n", "load_avg",
cfs_rq->avg.load_avg);
SEQ_printf(m, " .%-30s: %lu\n", "runnable_avg",
@@ -874,8 +860,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
cfs_rq->tg_load_avg_contrib);
SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg",
atomic_long_read(&cfs_rq->tg->load_avg));
-#endif
-#endif
+#endif /* CONFIG_FAIR_GROUP_SCHED */
#ifdef CONFIG_CFS_BANDWIDTH
SEQ_printf(m, " .%-30s: %d\n", "throttled",
cfs_rq->throttled);
@@ -929,11 +914,7 @@ void print_dl_rq(struct seq_file *m, int cpu, struct dl_rq *dl_rq)
SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(dl_rq->x))
PU(dl_nr_running);
-#ifdef CONFIG_SMP
dl_bw = &cpu_rq(cpu)->rd->dl_bw;
-#else
- dl_bw = &dl_rq->dl_bw;
-#endif
SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->bw", dl_bw->bw);
SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->total_bw", dl_bw->total_bw);
@@ -951,9 +932,9 @@ static void print_cpu(struct seq_file *m, int cpu)
SEQ_printf(m, "cpu#%d, %u.%03u MHz\n",
cpu, freq / 1000, (freq % 1000));
}
-#else
+#else /* !CONFIG_X86: */
SEQ_printf(m, "cpu#%d\n", cpu);
-#endif
+#endif /* !CONFIG_X86 */
#define P(x) \
do { \
@@ -976,12 +957,10 @@ do { \
#undef P
#undef PN
-#ifdef CONFIG_SMP
#define P64(n) SEQ_printf(m, " .%-30s: %Ld\n", #n, rq->n);
P64(avg_idle);
P64(max_idle_balance_cost);
#undef P64
-#endif
#define P(n) SEQ_printf(m, " .%-30s: %d\n", #n, schedstat_val(rq->n));
if (schedstat_enabled()) {
@@ -1163,7 +1142,7 @@ static void sched_show_numa(struct task_struct *p, struct seq_file *m)
SEQ_printf(m, "current_node=%d, numa_group_id=%d\n",
task_node(p), task_numa_group_id(p));
show_numa_stats(p, m);
-#endif
+#endif /* CONFIG_NUMA_BALANCING */
}
void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
@@ -1210,10 +1189,6 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
P_SCHEDSTAT(nr_failed_migrations_running);
P_SCHEDSTAT(nr_failed_migrations_hot);
P_SCHEDSTAT(nr_forced_migrations);
-#ifdef CONFIG_NUMA_BALANCING
- P_SCHEDSTAT(numa_task_migrated);
- P_SCHEDSTAT(numa_task_swapped);
-#endif
P_SCHEDSTAT(nr_wakeups);
P_SCHEDSTAT(nr_wakeups_sync);
P_SCHEDSTAT(nr_wakeups_migrate);
@@ -1251,7 +1226,6 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
__PS("nr_involuntary_switches", p->nivcsw);
P(se.load.weight);
-#ifdef CONFIG_SMP
P(se.avg.load_sum);
P(se.avg.runnable_sum);
P(se.avg.util_sum);
@@ -1260,13 +1234,12 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
P(se.avg.util_avg);
P(se.avg.last_update_time);
PM(se.avg.util_est, ~UTIL_AVG_UNCHANGED);
-#endif
#ifdef CONFIG_UCLAMP_TASK
__PS("uclamp.min", p->uclamp_req[UCLAMP_MIN].value);
__PS("uclamp.max", p->uclamp_req[UCLAMP_MAX].value);
__PS("effective uclamp.min", uclamp_eff_value(p, UCLAMP_MIN));
__PS("effective uclamp.max", uclamp_eff_value(p, UCLAMP_MAX));
-#endif
+#endif /* CONFIG_UCLAMP_TASK */
P(policy);
P(prio);
if (task_has_dl_policy(p)) {
generated by cgit (git 2.34.1) at 2025-07-30 23:20:15 +0000