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-rw-r--r--kernel/sched_debug.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
deleted file mode 100644
index c3ee38bd342..00000000000
--- a/kernel/sched_debug.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * kernel/time/sched_debug.c
- *
- * Print the CFS rbtree
- *
- * Copyright(C) 2007, Red Hat, Inc., Ingo Molnar
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/proc_fs.h>
-#include <linux/sched.h>
-#include <linux/seq_file.h>
-#include <linux/kallsyms.h>
-#include <linux/utsname.h>
-
-/*
- * This allows printing both to /proc/sched_debug and
- * to the console
- */
-#define SEQ_printf(m, x...) \
- do { \
- if (m) \
- seq_printf(m, x); \
- else \
- printk(x); \
- } while (0)
-
-static void
-print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
-{
- if (rq->curr == p)
- SEQ_printf(m, "R");
- else
- SEQ_printf(m, " ");
-
- SEQ_printf(m, "%15s %5d %15Ld %13Ld %13Ld %9Ld %5d ",
- p->comm, p->pid,
- (long long)p->se.fair_key,
- (long long)(p->se.fair_key - rq->cfs.fair_clock),
- (long long)p->se.wait_runtime,
- (long long)(p->nvcsw + p->nivcsw),
- p->prio);
-#ifdef CONFIG_SCHEDSTATS
- SEQ_printf(m, "%15Ld %15Ld %15Ld %15Ld %15Ld\n",
- (long long)p->se.sum_exec_runtime,
- (long long)p->se.sum_wait_runtime,
- (long long)p->se.sum_sleep_runtime,
- (long long)p->se.wait_runtime_overruns,
- (long long)p->se.wait_runtime_underruns);
-#else
- SEQ_printf(m, "%15Ld %15Ld %15Ld %15Ld %15Ld\n",
- 0LL, 0LL, 0LL, 0LL, 0LL);
-#endif
-}
-
-static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
-{
- struct task_struct *g, *p;
-
- SEQ_printf(m,
- "\nrunnable tasks:\n"
- " task PID tree-key delta waiting"
- " switches prio"
- " sum-exec sum-wait sum-sleep"
- " wait-overrun wait-underrun\n"
- "------------------------------------------------------------------"
- "----------------"
- "------------------------------------------------"
- "--------------------------------\n");
-
- read_lock_irq(&tasklist_lock);
-
- do_each_thread(g, p) {
- if (!p->se.on_rq || task_cpu(p) != rq_cpu)
- continue;
-
- print_task(m, rq, p);
- } while_each_thread(g, p);
-
- read_unlock_irq(&tasklist_lock);
-}
-
-static void
-print_cfs_rq_runtime_sum(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
-{
- s64 wait_runtime_rq_sum = 0;
- struct task_struct *p;
- struct rb_node *curr;
- unsigned long flags;
- struct rq *rq = &per_cpu(runqueues, cpu);
-
- spin_lock_irqsave(&rq->lock, flags);
- curr = first_fair(cfs_rq);
- while (curr) {
- p = rb_entry(curr, struct task_struct, se.run_node);
- wait_runtime_rq_sum += p->se.wait_runtime;
-
- curr = rb_next(curr);
- }
- spin_unlock_irqrestore(&rq->lock, flags);
-
- SEQ_printf(m, " .%-30s: %Ld\n", "wait_runtime_rq_sum",
- (long long)wait_runtime_rq_sum);
-}
-
-void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
-{
- SEQ_printf(m, "\ncfs_rq\n");
-
-#define P(x) \
- SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(cfs_rq->x))
-
- P(fair_clock);
- P(exec_clock);
- P(wait_runtime);
- P(wait_runtime_overruns);
- P(wait_runtime_underruns);
- P(sleeper_bonus);
-#undef P
-
- print_cfs_rq_runtime_sum(m, cpu, cfs_rq);
-}
-
-static void print_cpu(struct seq_file *m, int cpu)
-{
- struct rq *rq = &per_cpu(runqueues, cpu);
-
-#ifdef CONFIG_X86
- {
- unsigned int freq = cpu_khz ? : 1;
-
- SEQ_printf(m, "\ncpu#%d, %u.%03u MHz\n",
- cpu, freq / 1000, (freq % 1000));
- }
-#else
- SEQ_printf(m, "\ncpu#%d\n", cpu);
-#endif
-
-#define P(x) \
- SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rq->x))
-
- P(nr_running);
- SEQ_printf(m, " .%-30s: %lu\n", "load",
- rq->ls.load.weight);
- P(ls.delta_fair);
- P(ls.delta_exec);
- P(nr_switches);
- P(nr_load_updates);
- P(nr_uninterruptible);
- SEQ_printf(m, " .%-30s: %lu\n", "jiffies", jiffies);
- P(next_balance);
- P(curr->pid);
- P(clock);
- P(idle_clock);
- P(prev_clock_raw);
- P(clock_warps);
- P(clock_overflows);
- P(clock_deep_idle_events);
- P(clock_max_delta);
- P(cpu_load[0]);
- P(cpu_load[1]);
- P(cpu_load[2]);
- P(cpu_load[3]);
- P(cpu_load[4]);
-#undef P
-
- print_cfs_stats(m, cpu);
-
- print_rq(m, rq, cpu);
-}
-
-static int sched_debug_show(struct seq_file *m, void *v)
-{
- u64 now = ktime_to_ns(ktime_get());
- int cpu;
-
- SEQ_printf(m, "Sched Debug Version: v0.05-v20, %s %.*s\n",
- init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version);
-
- SEQ_printf(m, "now at %Lu nsecs\n", (unsigned long long)now);
-
- for_each_online_cpu(cpu)
- print_cpu(m, cpu);
-
- SEQ_printf(m, "\n");
-
- return 0;
-}
-
-static void sysrq_sched_debug_show(void)
-{
- sched_debug_show(NULL, NULL);
-}
-
-static int sched_debug_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, sched_debug_show, NULL);
-}
-
-static struct file_operations sched_debug_fops = {
- .open = sched_debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int __init init_sched_debug_procfs(void)
-{
- struct proc_dir_entry *pe;
-
- pe = create_proc_entry("sched_debug", 0644, NULL);
- if (!pe)
- return -ENOMEM;
-
- pe->proc_fops = &sched_debug_fops;
-
- return 0;
-}
-
-__initcall(init_sched_debug_procfs);
-
-void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
-{
- unsigned long flags;
- int num_threads = 1;
-
- rcu_read_lock();
- if (lock_task_sighand(p, &flags)) {
- num_threads = atomic_read(&p->signal->count);
- unlock_task_sighand(p, &flags);
- }
- rcu_read_unlock();
-
- SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid, num_threads);
- SEQ_printf(m, "----------------------------------------------\n");
-#define P(F) \
- SEQ_printf(m, "%-25s:%20Ld\n", #F, (long long)p->F)
-
- P(se.wait_runtime);
- P(se.wait_start_fair);
- P(se.exec_start);
- P(se.sleep_start_fair);
- P(se.sum_exec_runtime);
-
-#ifdef CONFIG_SCHEDSTATS
- P(se.wait_start);
- P(se.sleep_start);
- P(se.block_start);
- P(se.sleep_max);
- P(se.block_max);
- P(se.exec_max);
- P(se.wait_max);
- P(se.wait_runtime_overruns);
- P(se.wait_runtime_underruns);
- P(se.sum_wait_runtime);
-#endif
- SEQ_printf(m, "%-25s:%20Ld\n",
- "nr_switches", (long long)(p->nvcsw + p->nivcsw));
- P(se.load.weight);
- P(policy);
- P(prio);
-#undef P
-
- {
- u64 t0, t1;
-
- t0 = sched_clock();
- t1 = sched_clock();
- SEQ_printf(m, "%-25s:%20Ld\n",
- "clock-delta", (long long)(t1-t0));
- }
-}
-
-void proc_sched_set_task(struct task_struct *p)
-{
-#ifdef CONFIG_SCHEDSTATS
- p->se.sleep_max = p->se.block_max = p->se.exec_max = p->se.wait_max = 0;
- p->se.wait_runtime_overruns = p->se.wait_runtime_underruns = 0;
-#endif
- p->se.sum_exec_runtime = 0;
- p->se.prev_sum_exec_runtime = 0;
-}
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