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-rw-r--r--kernel/sched_stats.h103
1 files changed, 0 insertions, 103 deletions
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index 87f9e36ea56e..ea2b6f0ec868 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -1,108 +1,5 @@
#ifdef CONFIG_SCHEDSTATS
-/*
- * bump this up when changing the output format or the meaning of an existing
- * format, so that tools can adapt (or abort)
- */
-#define SCHEDSTAT_VERSION 15
-
-static int show_schedstat(struct seq_file *seq, void *v)
-{
- int cpu;
- int mask_len = DIV_ROUND_UP(NR_CPUS, 32) * 9;
- char *mask_str = kmalloc(mask_len, GFP_KERNEL);
-
- if (mask_str == NULL)
- return -ENOMEM;
-
- seq_printf(seq, "version %d\n", SCHEDSTAT_VERSION);
- seq_printf(seq, "timestamp %lu\n", jiffies);
- for_each_online_cpu(cpu) {
- struct rq *rq = cpu_rq(cpu);
-#ifdef CONFIG_SMP
- struct sched_domain *sd;
- int dcount = 0;
-#endif
-
- /* runqueue-specific stats */
- seq_printf(seq,
- "cpu%d %u %u %u %u %u %u %llu %llu %lu",
- cpu, rq->yld_count,
- rq->sched_switch, rq->sched_count, rq->sched_goidle,
- rq->ttwu_count, rq->ttwu_local,
- rq->rq_cpu_time,
- rq->rq_sched_info.run_delay, rq->rq_sched_info.pcount);
-
- seq_printf(seq, "\n");
-
-#ifdef CONFIG_SMP
- /* domain-specific stats */
- rcu_read_lock();
- for_each_domain(cpu, sd) {
- enum cpu_idle_type itype;
-
- cpumask_scnprintf(mask_str, mask_len,
- sched_domain_span(sd));
- seq_printf(seq, "domain%d %s", dcount++, mask_str);
- for (itype = CPU_IDLE; itype < CPU_MAX_IDLE_TYPES;
- itype++) {
- seq_printf(seq, " %u %u %u %u %u %u %u %u",
- sd->lb_count[itype],
- sd->lb_balanced[itype],
- sd->lb_failed[itype],
- sd->lb_imbalance[itype],
- sd->lb_gained[itype],
- sd->lb_hot_gained[itype],
- sd->lb_nobusyq[itype],
- sd->lb_nobusyg[itype]);
- }
- seq_printf(seq,
- " %u %u %u %u %u %u %u %u %u %u %u %u\n",
- sd->alb_count, sd->alb_failed, sd->alb_pushed,
- sd->sbe_count, sd->sbe_balanced, sd->sbe_pushed,
- sd->sbf_count, sd->sbf_balanced, sd->sbf_pushed,
- sd->ttwu_wake_remote, sd->ttwu_move_affine,
- sd->ttwu_move_balance);
- }
- rcu_read_unlock();
-#endif
- }
- kfree(mask_str);
- return 0;
-}
-
-static int schedstat_open(struct inode *inode, struct file *file)
-{
- unsigned int size = PAGE_SIZE * (1 + num_online_cpus() / 32);
- char *buf = kmalloc(size, GFP_KERNEL);
- struct seq_file *m;
- int res;
-
- if (!buf)
- return -ENOMEM;
- res = single_open(file, show_schedstat, NULL);
- if (!res) {
- m = file->private_data;
- m->buf = buf;
- m->size = size;
- } else
- kfree(buf);
- return res;
-}
-
-static const struct file_operations proc_schedstat_operations = {
- .open = schedstat_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int __init proc_schedstat_init(void)
-{
- proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
- return 0;
-}
-module_init(proc_schedstat_init);
/*
* Expects runqueue lock to be held for atomicity of update