[deliverable/linux.git] / kernel / sched / debug.c

/*
 * kernel/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>
#include <linux/mempolicy.h>

#include "sched.h"

static DEFINE_SPINLOCK(sched_debug_lock);

/*
 * 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)

/*
 * Ease the printing of nsec fields:
 */
static long long nsec_high(unsigned long long nsec)
{
	if ((long long)nsec < 0) {
		nsec = -nsec;
		do_div(nsec, 1000000);
		return -nsec;
	}
	do_div(nsec, 1000000);

	return nsec;
}

static unsigned long nsec_low(unsigned long long nsec)
{
	if ((long long)nsec < 0)
		nsec = -nsec;

	return do_div(nsec, 1000000);
}

#define SPLIT_NS(x) nsec_high(x), nsec_low(x)

#ifdef CONFIG_FAIR_GROUP_SCHED
static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group *tg)
{
	struct sched_entity *se = tg->se[cpu];

#define P(F) \
	SEQ_printf(m, "  .%-30s: %lld\n", #F, (long long)F)
#define PN(F) \
	SEQ_printf(m, "  .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F))

	if (!se)
		return;

	PN(se->exec_start);
	PN(se->vruntime);
	PN(se->sum_exec_runtime);
#ifdef CONFIG_SCHEDSTATS
	PN(se->statistics.wait_start);
	PN(se->statistics.sleep_start);
	PN(se->statistics.block_start);
	PN(se->statistics.sleep_max);
	PN(se->statistics.block_max);
	PN(se->statistics.exec_max);
	PN(se->statistics.slice_max);
	PN(se->statistics.wait_max);
	PN(se->statistics.wait_sum);
	P(se->statistics.wait_count);
#endif
	P(se->load.weight);
#ifdef CONFIG_SMP
	P(se->avg.runnable_avg_sum);
	P(se->avg.running_avg_sum);
	P(se->avg.avg_period);
	P(se->avg.load_avg_contrib);
	P(se->avg.utilization_avg_contrib);
	P(se->avg.decay_count);
#endif
#undef PN
#undef P
}
#endif

#ifdef CONFIG_CGROUP_SCHED
static char group_path[PATH_MAX];

static char *task_group_path(struct task_group *tg)
{
	if (autogroup_path(tg, group_path, PATH_MAX))
		return group_path;

	return cgroup_path(tg->css.cgroup, group_path, PATH_MAX);
}
#endif

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 %9Ld.%06ld %9Ld %5d ",
		p->comm, task_pid_nr(p),
		SPLIT_NS(p->se.vruntime),
		(long long)(p->nvcsw + p->nivcsw),
		p->prio);
#ifdef CONFIG_SCHEDSTATS
	SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld",
		SPLIT_NS(p->se.statistics.wait_sum),
		SPLIT_NS(p->se.sum_exec_runtime),
		SPLIT_NS(p->se.statistics.sum_sleep_runtime));
#else
	SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld",
		0LL, 0L,
		SPLIT_NS(p->se.sum_exec_runtime),
		0LL, 0L);
#endif
#ifdef CONFIG_NUMA_BALANCING
	SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p));
#endif
#ifdef CONFIG_CGROUP_SCHED
	SEQ_printf(m, " %s", task_group_path(task_group(p)));
#endif

	SEQ_printf(m, "\n");
}

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  switches  prio"
	"     wait-time             sum-exec        sum-sleep\n"
	"------------------------------------------------------"
	"----------------------------------------------------\n");

	rcu_read_lock();
	for_each_process_thread(g, p) {
		if (task_cpu(p) != rq_cpu)
			continue;

		print_task(m, rq, p);
	}
	rcu_read_unlock();
}

void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
{
	s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1,
		spread, rq0_min_vruntime, spread0;
	struct rq *rq = cpu_rq(cpu);
	struct sched_entity *last;
	unsigned long flags;

#ifdef CONFIG_FAIR_GROUP_SCHED
	SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg));
#else
	SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu);
#endif
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "exec_clock",
			SPLIT_NS(cfs_rq->exec_clock));

	raw_spin_lock_irqsave(&rq->lock, flags);
	if (cfs_rq->rb_leftmost)
		MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime;
	last = __pick_last_entity(cfs_rq);
	if (last)
		max_vruntime = last->vruntime;
	min_vruntime = cfs_rq->min_vruntime;
	rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime;
	raw_spin_unlock_irqrestore(&rq->lock, flags);
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "MIN_vruntime",
			SPLIT_NS(MIN_vruntime));
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "min_vruntime",
			SPLIT_NS(min_vruntime));
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "max_vruntime",
			SPLIT_NS(max_vruntime));
	spread = max_vruntime - MIN_vruntime;
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "spread",
			SPLIT_NS(spread));
	spread0 = min_vruntime - rq0_min_vruntime;
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "spread0",
			SPLIT_NS(spread0));
	SEQ_printf(m, "  .%-30s: %d\n", "nr_spread_over",
			cfs_rq->nr_spread_over);
	SEQ_printf(m, "  .%-30s: %d\n", "nr_running", cfs_rq->nr_running);
	SEQ_printf(m, "  .%-30s: %ld\n", "load", cfs_rq->load.weight);
#ifdef CONFIG_SMP
	SEQ_printf(m, "  .%-30s: %ld\n", "runnable_load_avg",
			cfs_rq->runnable_load_avg);
	SEQ_printf(m, "  .%-30s: %ld\n", "blocked_load_avg",
			cfs_rq->blocked_load_avg);
	SEQ_printf(m, "  .%-30s: %ld\n", "utilization_load_avg",
			cfs_rq->utilization_load_avg);
#ifdef CONFIG_FAIR_GROUP_SCHED
	SEQ_printf(m, "  .%-30s: %ld\n", "tg_load_contrib",
			cfs_rq->tg_load_contrib);
	SEQ_printf(m, "  .%-30s: %d\n", "tg_runnable_contrib",
			cfs_rq->tg_runnable_contrib);
	SEQ_printf(m, "  .%-30s: %ld\n", "tg_load_avg",
			atomic_long_read(&cfs_rq->tg->load_avg));
	SEQ_printf(m, "  .%-30s: %d\n", "tg->runnable_avg",
			atomic_read(&cfs_rq->tg->runnable_avg));
#endif
#endif
#ifdef CONFIG_CFS_BANDWIDTH
	SEQ_printf(m, "  .%-30s: %d\n", "throttled",
			cfs_rq->throttled);
	SEQ_printf(m, "  .%-30s: %d\n", "throttle_count",
			cfs_rq->throttle_count);
#endif

#ifdef CONFIG_FAIR_GROUP_SCHED
	print_cfs_group_stats(m, cpu, cfs_rq->tg);
#endif
}

void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq)
{
#ifdef CONFIG_RT_GROUP_SCHED
	SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, task_group_path(rt_rq->tg));
#else
	SEQ_printf(m, "\nrt_rq[%d]:\n", cpu);
#endif

#define P(x) \
	SEQ_printf(m, "  .%-30s: %Ld\n", #x, (long long)(rt_rq->x))
#define PN(x) \
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x))

	P(rt_nr_running);
	P(rt_throttled);
	PN(rt_time);
	PN(rt_runtime);

#undef PN
#undef P
}

void print_dl_rq(struct seq_file *m, int cpu, struct dl_rq *dl_rq)
{
	SEQ_printf(m, "\ndl_rq[%d]:\n", cpu);
	SEQ_printf(m, "  .%-30s: %ld\n", "dl_nr_running", dl_rq->dl_nr_running);
}

extern __read_mostly int sched_clock_running;

static void print_cpu(struct seq_file *m, int cpu)
{
	struct rq *rq = cpu_rq(cpu);
	unsigned long flags;

#ifdef CONFIG_X86
	{
		unsigned int freq = cpu_khz ? : 1;

		SEQ_printf(m, "cpu#%d, %u.%03u MHz\n",
			   cpu, freq / 1000, (freq % 1000));
	}
#else
	SEQ_printf(m, "cpu#%d\n", cpu);
#endif

#define P(x)								\
do {									\
	if (sizeof(rq->x) == 4)						\
		SEQ_printf(m, "  .%-30s: %ld\n", #x, (long)(rq->x));	\
	else								\
		SEQ_printf(m, "  .%-30s: %Ld\n", #x, (long long)(rq->x));\
} while (0)

#define PN(x) \
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x))

	P(nr_running);
	SEQ_printf(m, "  .%-30s: %lu\n", "load",
		   rq->load.weight);
	P(nr_switches);
	P(nr_load_updates);
	P(nr_uninterruptible);
	PN(next_balance);
	SEQ_printf(m, "  .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr)));
	PN(clock);
	PN(clock_task);
	P(cpu_load[0]);
	P(cpu_load[1]);
	P(cpu_load[2]);
	P(cpu_load[3]);
	P(cpu_load[4]);
#undef P
#undef PN

#ifdef CONFIG_SCHEDSTATS
#define P(n) SEQ_printf(m, "  .%-30s: %d\n", #n, rq->n);
#define P64(n) SEQ_printf(m, "  .%-30s: %Ld\n", #n, rq->n);

	P(yld_count);

	P(sched_count);
	P(sched_goidle);
#ifdef CONFIG_SMP
	P64(avg_idle);
	P64(max_idle_balance_cost);
#endif

	P(ttwu_count);
	P(ttwu_local);

#undef P
#undef P64
#endif
	spin_lock_irqsave(&sched_debug_lock, flags);
	print_cfs_stats(m, cpu);
	print_rt_stats(m, cpu);
	print_dl_stats(m, cpu);

	print_rq(m, rq, cpu);
	spin_unlock_irqrestore(&sched_debug_lock, flags);
	SEQ_printf(m, "\n");
}

static const char *sched_tunable_scaling_names[] = {
	"none",
	"logaritmic",
	"linear"
};

static void sched_debug_header(struct seq_file *m)
{
	u64 ktime, sched_clk, cpu_clk;
	unsigned long flags;

	local_irq_save(flags);
	ktime = ktime_to_ns(ktime_get());
	sched_clk = sched_clock();
	cpu_clk = local_clock();
	local_irq_restore(flags);

	SEQ_printf(m, "Sched Debug Version: v0.11, %s %.*s\n",
		init_utsname()->release,
		(int)strcspn(init_utsname()->version, " "),
		init_utsname()->version);

#define P(x) \
	SEQ_printf(m, "%-40s: %Ld\n", #x, (long long)(x))
#define PN(x) \
	SEQ_printf(m, "%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x))
	PN(ktime);
	PN(sched_clk);
	PN(cpu_clk);
	P(jiffies);
#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
	P(sched_clock_stable());
#endif
#undef PN
#undef P

	SEQ_printf(m, "\n");
	SEQ_printf(m, "sysctl_sched\n");

#define P(x) \
	SEQ_printf(m, "  .%-40s: %Ld\n", #x, (long long)(x))
#define PN(x) \
	SEQ_printf(m, "  .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x))
	PN(sysctl_sched_latency);
	PN(sysctl_sched_min_granularity);
	PN(sysctl_sched_wakeup_granularity);
	P(sysctl_sched_child_runs_first);
	P(sysctl_sched_features);
#undef PN
#undef P

	SEQ_printf(m, "  .%-40s: %d (%s)\n",
		"sysctl_sched_tunable_scaling",
		sysctl_sched_tunable_scaling,
		sched_tunable_scaling_names[sysctl_sched_tunable_scaling]);
	SEQ_printf(m, "\n");
}

static int sched_debug_show(struct seq_file *m, void *v)
{
	int cpu = (unsigned long)(v - 2);

	if (cpu != -1)
		print_cpu(m, cpu);
	else
		sched_debug_header(m);

	return 0;
}

void sysrq_sched_debug_show(void)
{
	int cpu;

	sched_debug_header(NULL);
	for_each_online_cpu(cpu)
		print_cpu(NULL, cpu);

}

/*
 * This itererator needs some explanation.
 * It returns 1 for the header position.
 * This means 2 is cpu 0.
 * In a hotplugged system some cpus, including cpu 0, may be missing so we have
 * to use cpumask_* to iterate over the cpus.
 */
static void *sched_debug_start(struct seq_file *file, loff_t *offset)
{
	unsigned long n = *offset;

	if (n == 0)
		return (void *) 1;

	n--;

	if (n > 0)
		n = cpumask_next(n - 1, cpu_online_mask);
	else
		n = cpumask_first(cpu_online_mask);

	*offset = n + 1;

	if (n < nr_cpu_ids)
		return (void *)(unsigned long)(n + 2);
	return NULL;
}

static void *sched_debug_next(struct seq_file *file, void *data, loff_t *offset)
{
	(*offset)++;
	return sched_debug_start(file, offset);
}

static void sched_debug_stop(struct seq_file *file, void *data)
{
}

static const struct seq_operations sched_debug_sops = {
	.start = sched_debug_start,
	.next = sched_debug_next,
	.stop = sched_debug_stop,
	.show = sched_debug_show,
};

static int sched_debug_release(struct inode *inode, struct file *file)
{
	seq_release(inode, file);

	return 0;
}

static int sched_debug_open(struct inode *inode, struct file *filp)
{
	int ret = 0;

	ret = seq_open(filp, &sched_debug_sops);

	return ret;
}

static const struct file_operations sched_debug_fops = {
	.open		= sched_debug_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= sched_debug_release,
};

static int __init init_sched_debug_procfs(void)
{
	struct proc_dir_entry *pe;

	pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops);
	if (!pe)
		return -ENOMEM;
	return 0;
}

__initcall(init_sched_debug_procfs);

#define __P(F) \
	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
#define P(F) \
	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
#define __PN(F) \
	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
#define PN(F) \
	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))


#ifdef CONFIG_NUMA_BALANCING
void print_numa_stats(struct seq_file *m, int node, unsigned long tsf,
		unsigned long tpf, unsigned long gsf, unsigned long gpf)
{
	SEQ_printf(m, "numa_faults node=%d ", node);
	SEQ_printf(m, "task_private=%lu task_shared=%lu ", tsf, tpf);
	SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gsf, gpf);
}
#endif


static void sched_show_numa(struct task_struct *p, struct seq_file *m)
{
#ifdef CONFIG_NUMA_BALANCING
	struct mempolicy *pol;

	if (p->mm)
		P(mm->numa_scan_seq);

	task_lock(p);
	pol = p->mempolicy;
	if (pol && !(pol->flags & MPOL_F_MORON))
		pol = NULL;
	mpol_get(pol);
	task_unlock(p);

	P(numa_pages_migrated);
	P(numa_preferred_nid);
	P(total_numa_faults);
	SEQ_printf(m, "current_node=%d, numa_group_id=%d\n",
			task_node(p), task_numa_group_id(p));
	show_numa_stats(p, m);
	mpol_put(pol);
#endif
}

void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
{
	unsigned long nr_switches;

	SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr(p),
						get_nr_threads(p));
	SEQ_printf(m,
		"---------------------------------------------------------"
		"----------\n");
#define __P(F) \
	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
#define P(F) \
	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
#define __PN(F) \
	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
#define PN(F) \
	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))

	PN(se.exec_start);
	PN(se.vruntime);
	PN(se.sum_exec_runtime);

	nr_switches = p->nvcsw + p->nivcsw;

#ifdef CONFIG_SCHEDSTATS
	PN(se.statistics.sum_sleep_runtime);
	PN(se.statistics.wait_start);
	PN(se.statistics.sleep_start);
	PN(se.statistics.block_start);
	PN(se.statistics.sleep_max);
	PN(se.statistics.block_max);
	PN(se.statistics.exec_max);
	PN(se.statistics.slice_max);
	PN(se.statistics.wait_max);
	PN(se.statistics.wait_sum);
	P(se.statistics.wait_count);
	PN(se.statistics.iowait_sum);
	P(se.statistics.iowait_count);
	P(se.nr_migrations);
	P(se.statistics.nr_migrations_cold);
	P(se.statistics.nr_failed_migrations_affine);
	P(se.statistics.nr_failed_migrations_running);
	P(se.statistics.nr_failed_migrations_hot);
	P(se.statistics.nr_forced_migrations);
	P(se.statistics.nr_wakeups);
	P(se.statistics.nr_wakeups_sync);
	P(se.statistics.nr_wakeups_migrate);
	P(se.statistics.nr_wakeups_local);
	P(se.statistics.nr_wakeups_remote);
	P(se.statistics.nr_wakeups_affine);
	P(se.statistics.nr_wakeups_affine_attempts);
	P(se.statistics.nr_wakeups_passive);
	P(se.statistics.nr_wakeups_idle);

	{
		u64 avg_atom, avg_per_cpu;

		avg_atom = p->se.sum_exec_runtime;
		if (nr_switches)
			avg_atom = div64_ul(avg_atom, nr_switches);
		else
			avg_atom = -1LL;

		avg_per_cpu = p->se.sum_exec_runtime;
		if (p->se.nr_migrations) {
			avg_per_cpu = div64_u64(avg_per_cpu,
						p->se.nr_migrations);
		} else {
			avg_per_cpu = -1LL;
		}

		__PN(avg_atom);
		__PN(avg_per_cpu);
	}
#endif
	__P(nr_switches);
	SEQ_printf(m, "%-45s:%21Ld\n",
		   "nr_voluntary_switches", (long long)p->nvcsw);
	SEQ_printf(m, "%-45s:%21Ld\n",
		   "nr_involuntary_switches", (long long)p->nivcsw);

	P(se.load.weight);
#ifdef CONFIG_SMP
	P(se.avg.runnable_avg_sum);
	P(se.avg.running_avg_sum);
	P(se.avg.avg_period);
	P(se.avg.load_avg_contrib);
	P(se.avg.utilization_avg_contrib);
	P(se.avg.decay_count);
#endif
	P(policy);
	P(prio);
#undef PN
#undef __PN
#undef P
#undef __P

	{
		unsigned int this_cpu = raw_smp_processor_id();
		u64 t0, t1;

		t0 = cpu_clock(this_cpu);
		t1 = cpu_clock(this_cpu);
		SEQ_printf(m, "%-45s:%21Ld\n",
			   "clock-delta", (long long)(t1-t0));
	}

	sched_show_numa(p, m);
}

void proc_sched_set_task(struct task_struct *p)
{
#ifdef CONFIG_SCHEDSTATS
	memset(&p->se.statistics, 0, sizeof(p->se.statistics));
#endif
}
Commit	Line	Data
43ae34cb	1	/*
391e43da	2	* kernel/sched/debug.c
43ae34cb IM	3	*
	4	* Print the CFS rbtree
	5	*
	6	* Copyright(C) 2007, Red Hat, Inc., Ingo Molnar
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/proc_fs.h>
	14	#include <linux/sched.h>
	15	#include <linux/seq_file.h>
	16	#include <linux/kallsyms.h>
	17	#include <linux/utsname.h>
b32e86b4	18	#include <linux/mempolicy.h>
43ae34cb	19
029632fb PZ	20	#include "sched.h"
029632fb PZ	21
efe25c2c BR	22	static DEFINE_SPINLOCK(sched_debug_lock);
efe25c2c BR	23
43ae34cb IM	24	/*
	25	* This allows printing both to /proc/sched_debug and
	26	* to the console
	27	*/
	28	#define SEQ_printf(m, x...) \
	29	do { \
	30	if (m) \
	31	seq_printf(m, x); \
	32	else \
	33	printk(x); \
	34	} while (0)
	35
ef83a571 IM	36	/*
	37	* Ease the printing of nsec fields:
	38	*/
90b2628f	39	static long long nsec_high(unsigned long long nsec)
ef83a571	40	{
90b2628f	41	if ((long long)nsec < 0) {
ef83a571 IM	42	nsec = -nsec;
	43	do_div(nsec, 1000000);
	44	return -nsec;
	45	}
	46	do_div(nsec, 1000000);
	47
	48	return nsec;
	49	}
	50
90b2628f	51	static unsigned long nsec_low(unsigned long long nsec)
ef83a571	52	{
90b2628f	53	if ((long long)nsec < 0)
ef83a571 IM	54	nsec = -nsec;
	55
	56	return do_div(nsec, 1000000);
	57	}
	58
	59	#define SPLIT_NS(x) nsec_high(x), nsec_low(x)
	60
ff9b48c3	61	#ifdef CONFIG_FAIR_GROUP_SCHED
5091faa4	62	static void print_cfs_group_stats(struct seq_file m, int cpu, struct task_group tg)
ff9b48c3 BR	63	{
ff9b48c3 BR	64	struct sched_entity *se = tg->se[cpu];
ff9b48c3 BR	65
	66	#define P(F) \
	67	SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)F)
	68	#define PN(F) \
	69	SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F))
	70
cd126afe	71	if (!se)
18bf2805	72	return;
18bf2805	73
ff9b48c3 BR	74	PN(se->exec_start);
	75	PN(se->vruntime);
	76	PN(se->sum_exec_runtime);
	77	#ifdef CONFIG_SCHEDSTATS
41acab88 LDM	78	PN(se->statistics.wait_start);
	79	PN(se->statistics.sleep_start);
	80	PN(se->statistics.block_start);
	81	PN(se->statistics.sleep_max);
	82	PN(se->statistics.block_max);
	83	PN(se->statistics.exec_max);
	84	PN(se->statistics.slice_max);
	85	PN(se->statistics.wait_max);
	86	PN(se->statistics.wait_sum);
	87	P(se->statistics.wait_count);
ff9b48c3 BR	88	#endif
ff9b48c3 BR	89	P(se->load.weight);
9d85f21c PT	90	#ifdef CONFIG_SMP
9d85f21c PT	91	P(se->avg.runnable_avg_sum);
21f44866	92	P(se->avg.running_avg_sum);
36ee28e4	93	P(se->avg.avg_period);
2dac754e	94	P(se->avg.load_avg_contrib);
21f44866	95	P(se->avg.utilization_avg_contrib);
9ee474f5	96	P(se->avg.decay_count);
9d85f21c	97	#endif
ff9b48c3 BR	98	#undef PN
	99	#undef P
	100	}
	101	#endif
	102
efe25c2c BR	103	#ifdef CONFIG_CGROUP_SCHED
	104	static char group_path[PATH_MAX];
	105
	106	static char task_group_path(struct task_group tg)
	107	{
8ecedd7a BR	108	if (autogroup_path(tg, group_path, PATH_MAX))
	109	return group_path;
	110
e61734c5	111	return cgroup_path(tg->css.cgroup, group_path, PATH_MAX);
efe25c2c BR	112	}
	113	#endif
	114
43ae34cb	115	static void
a48da48b	116	print_task(struct seq_file m, struct rq rq, struct task_struct *p)
43ae34cb IM	117	{
	118	if (rq->curr == p)
	119	SEQ_printf(m, "R");
	120	else
	121	SEQ_printf(m, " ");
	122
ef83a571	123	SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ",
fc840914	124	p->comm, task_pid_nr(p),
ef83a571	125	SPLIT_NS(p->se.vruntime),
43ae34cb	126	(long long)(p->nvcsw + p->nivcsw),
6f605d83	127	p->prio);
6cfb0d5d	128	#ifdef CONFIG_SCHEDSTATS
d19ca308	129	SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld",
c5f3ab1c	130	SPLIT_NS(p->se.statistics.wait_sum),
ef83a571	131	SPLIT_NS(p->se.sum_exec_runtime),
41acab88	132	SPLIT_NS(p->se.statistics.sum_sleep_runtime));
6cfb0d5d	133	#else
33d6176e SD	134	SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld",
	135	0LL, 0L,
	136	SPLIT_NS(p->se.sum_exec_runtime),
	137	0LL, 0L);
6cfb0d5d	138	#endif
b32e86b4	139	#ifdef CONFIG_NUMA_BALANCING
e3d24d0a	140	SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p));
b32e86b4	141	#endif
efe25c2c BR	142	#ifdef CONFIG_CGROUP_SCHED
	143	SEQ_printf(m, " %s", task_group_path(task_group(p)));
	144	#endif
d19ca308	145
d19ca308	146	SEQ_printf(m, "\n");
43ae34cb IM	147	}
43ae34cb IM	148
a48da48b	149	static void print_rq(struct seq_file m, struct rq rq, int rq_cpu)
43ae34cb IM	150	{
	151	struct task_struct g, p;
	152
	153	SEQ_printf(m,
	154	"\nrunnable tasks:\n"
c86da3a3	155	" task PID tree-key switches prio"
c5f3ab1c	156	" wait-time sum-exec sum-sleep\n"
1a75b94f	157	"------------------------------------------------------"
c86da3a3	158	"----------------------------------------------------\n");
43ae34cb	159
5bd96ab6	160	rcu_read_lock();
d38e83c7	161	for_each_process_thread(g, p) {
b32e86b4	162	if (task_cpu(p) != rq_cpu)
43ae34cb IM	163	continue;
43ae34cb IM	164
a48da48b	165	print_task(m, rq, p);
d38e83c7	166	}
5bd96ab6	167	rcu_read_unlock();
43ae34cb IM	168	}
43ae34cb IM	169
5cef9eca	170	void print_cfs_rq(struct seq_file m, int cpu, struct cfs_rq cfs_rq)
43ae34cb	171	{
86d9560c IM	172	s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1,
86d9560c IM	173	spread, rq0_min_vruntime, spread0;
348ec61e	174	struct rq *rq = cpu_rq(cpu);
67e12eac IM	175	struct sched_entity *last;
	176	unsigned long flags;
	177
efe25c2c BR	178	#ifdef CONFIG_FAIR_GROUP_SCHED
	179	SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg));
	180	#else
ada18de2	181	SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu);
efe25c2c	182	#endif
ef83a571 IM	183	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock",
ef83a571 IM	184	SPLIT_NS(cfs_rq->exec_clock));
67e12eac	185
05fa785c	186	raw_spin_lock_irqsave(&rq->lock, flags);
67e12eac	187	if (cfs_rq->rb_leftmost)
ac53db59	188	MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime;
67e12eac IM	189	last = __pick_last_entity(cfs_rq);
	190	if (last)
	191	max_vruntime = last->vruntime;
5ac5c4d6	192	min_vruntime = cfs_rq->min_vruntime;
348ec61e	193	rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime;
05fa785c	194	raw_spin_unlock_irqrestore(&rq->lock, flags);
ef83a571 IM	195	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "MIN_vruntime",
	196	SPLIT_NS(MIN_vruntime));
	197	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "min_vruntime",
	198	SPLIT_NS(min_vruntime));
	199	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "max_vruntime",
	200	SPLIT_NS(max_vruntime));
67e12eac	201	spread = max_vruntime - MIN_vruntime;
ef83a571 IM	202	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread",
ef83a571 IM	203	SPLIT_NS(spread));
86d9560c	204	spread0 = min_vruntime - rq0_min_vruntime;
ef83a571 IM	205	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread0",
ef83a571 IM	206	SPLIT_NS(spread0));
5ac5c4d6	207	SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over",
ddc97297	208	cfs_rq->nr_spread_over);
c82513e5	209	SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running);
2069dd75	210	SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);
c09595f6	211	#ifdef CONFIG_SMP
72a4cf20	212	SEQ_printf(m, " .%-30s: %ld\n", "runnable_load_avg",
2dac754e	213	cfs_rq->runnable_load_avg);
72a4cf20	214	SEQ_printf(m, " .%-30s: %ld\n", "blocked_load_avg",
9ee474f5	215	cfs_rq->blocked_load_avg);
36ee28e4 VG	216	SEQ_printf(m, " .%-30s: %ld\n", "utilization_load_avg",
36ee28e4 VG	217	cfs_rq->utilization_load_avg);
333bb864	218	#ifdef CONFIG_FAIR_GROUP_SCHED
bf5b986e	219	SEQ_printf(m, " .%-30s: %ld\n", "tg_load_contrib",
c566e8e9	220	cfs_rq->tg_load_contrib);
bb17f655 PT	221	SEQ_printf(m, " .%-30s: %d\n", "tg_runnable_contrib",
bb17f655 PT	222	cfs_rq->tg_runnable_contrib);
333bb864 AS	223	SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg",
333bb864 AS	224	atomic_long_read(&cfs_rq->tg->load_avg));
bb17f655 PT	225	SEQ_printf(m, " .%-30s: %d\n", "tg->runnable_avg",
bb17f655 PT	226	atomic_read(&cfs_rq->tg->runnable_avg));
c09595f6	227	#endif
333bb864	228	#endif
f9f9ffc2	229	#ifdef CONFIG_CFS_BANDWIDTH
f9f9ffc2 BS	230	SEQ_printf(m, " .%-30s: %d\n", "throttled",
	231	cfs_rq->throttled);
	232	SEQ_printf(m, " .%-30s: %d\n", "throttle_count",
	233	cfs_rq->throttle_count);
	234	#endif
2069dd75	235
333bb864	236	#ifdef CONFIG_FAIR_GROUP_SCHED
ff9b48c3	237	print_cfs_group_stats(m, cpu, cfs_rq->tg);
c09595f6	238	#endif
43ae34cb IM	239	}
43ae34cb IM	240
ada18de2 PZ	241	void print_rt_rq(struct seq_file m, int cpu, struct rt_rq rt_rq)
ada18de2 PZ	242	{
efe25c2c BR	243	#ifdef CONFIG_RT_GROUP_SCHED
	244	SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, task_group_path(rt_rq->tg));
	245	#else
ada18de2	246	SEQ_printf(m, "\nrt_rq[%d]:\n", cpu);
efe25c2c	247	#endif
ada18de2 PZ	248
	249	#define P(x) \
	250	SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rt_rq->x))
	251	#define PN(x) \
	252	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x))
	253
	254	P(rt_nr_running);
	255	P(rt_throttled);
	256	PN(rt_time);
	257	PN(rt_runtime);
	258
	259	#undef PN
	260	#undef P
	261	}
	262
acb32132 WL	263	void print_dl_rq(struct seq_file m, int cpu, struct dl_rq dl_rq)
	264	{
	265	SEQ_printf(m, "\ndl_rq[%d]:\n", cpu);
	266	SEQ_printf(m, " .%-30s: %ld\n", "dl_nr_running", dl_rq->dl_nr_running);
	267	}
	268
5bb6b1ea PZ	269	extern __read_mostly int sched_clock_running;
5bb6b1ea PZ	270
a48da48b	271	static void print_cpu(struct seq_file *m, int cpu)
43ae34cb	272	{
348ec61e	273	struct rq *rq = cpu_rq(cpu);
efe25c2c	274	unsigned long flags;
43ae34cb IM	275
	276	#ifdef CONFIG_X86
	277	{
	278	unsigned int freq = cpu_khz ? : 1;
	279
bbbfeac9	280	SEQ_printf(m, "cpu#%d, %u.%03u MHz\n",
43ae34cb IM	281	cpu, freq / 1000, (freq % 1000));
	282	}
	283	#else
bbbfeac9	284	SEQ_printf(m, "cpu#%d\n", cpu);
43ae34cb IM	285	#endif
43ae34cb IM	286
13e099d2 PZ	287	#define P(x) \
	288	do { \
	289	if (sizeof(rq->x) == 4) \
	290	SEQ_printf(m, " .%-30s: %ld\n", #x, (long)(rq->x)); \
	291	else \
	292	SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rq->x));\
	293	} while (0)
	294
ef83a571 IM	295	#define PN(x) \
ef83a571 IM	296	SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x))
43ae34cb IM	297
	298	P(nr_running);
	299	SEQ_printf(m, " .%-30s: %lu\n", "load",
495eca49	300	rq->load.weight);
43ae34cb IM	301	P(nr_switches);
	302	P(nr_load_updates);
	303	P(nr_uninterruptible);
ef83a571	304	PN(next_balance);
fc840914	305	SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr)));
ef83a571	306	PN(clock);
5a537597	307	PN(clock_task);
43ae34cb IM	308	P(cpu_load[0]);
	309	P(cpu_load[1]);
	310	P(cpu_load[2]);
	311	P(cpu_load[3]);
	312	P(cpu_load[4]);
	313	#undef P
ef83a571	314	#undef PN
43ae34cb	315
5ac5c4d6 PZ	316	#ifdef CONFIG_SCHEDSTATS
5ac5c4d6 PZ	317	#define P(n) SEQ_printf(m, " .%-30s: %d\n", #n, rq->n);
1b9508f6	318	#define P64(n) SEQ_printf(m, " .%-30s: %Ld\n", #n, rq->n);
5ac5c4d6	319
5ac5c4d6 PZ	320	P(yld_count);
5ac5c4d6 PZ	321
5ac5c4d6 PZ	322	P(sched_count);
5ac5c4d6 PZ	323	P(sched_goidle);
1b9508f6 MG	324	#ifdef CONFIG_SMP
1b9508f6 MG	325	P64(avg_idle);
37e6bae8	326	P64(max_idle_balance_cost);
1b9508f6	327	#endif
5ac5c4d6 PZ	328
	329	P(ttwu_count);
	330	P(ttwu_local);
	331
5ac5c4d6	332	#undef P
fce20979	333	#undef P64
5ac5c4d6	334	#endif
efe25c2c	335	spin_lock_irqsave(&sched_debug_lock, flags);
5cef9eca	336	print_cfs_stats(m, cpu);
ada18de2	337	print_rt_stats(m, cpu);
acb32132	338	print_dl_stats(m, cpu);
43ae34cb	339
a48da48b	340	print_rq(m, rq, cpu);
efe25c2c	341	spin_unlock_irqrestore(&sched_debug_lock, flags);
bbbfeac9	342	SEQ_printf(m, "\n");
43ae34cb IM	343	}
43ae34cb IM	344
1983a922 CE	345	static const char *sched_tunable_scaling_names[] = {
	346	"none",
	347	"logaritmic",
	348	"linear"
	349	};
	350
bbbfeac9	351	static void sched_debug_header(struct seq_file *m)
43ae34cb	352	{
5bb6b1ea PZ	353	u64 ktime, sched_clk, cpu_clk;
5bb6b1ea PZ	354	unsigned long flags;
43ae34cb	355
5bb6b1ea PZ	356	local_irq_save(flags);
	357	ktime = ktime_to_ns(ktime_get());
	358	sched_clk = sched_clock();
	359	cpu_clk = local_clock();
	360	local_irq_restore(flags);
	361
b32e86b4	362	SEQ_printf(m, "Sched Debug Version: v0.11, %s %.*s\n",
43ae34cb IM	363	init_utsname()->release,
	364	(int)strcspn(init_utsname()->version, " "),
	365	init_utsname()->version);
	366
5bb6b1ea PZ	367	#define P(x) \
	368	SEQ_printf(m, "%-40s: %Ld\n", #x, (long long)(x))
	369	#define PN(x) \
	370	SEQ_printf(m, "%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x))
	371	PN(ktime);
	372	PN(sched_clk);
	373	PN(cpu_clk);
	374	P(jiffies);
	375	#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
35af99e6	376	P(sched_clock_stable());
5bb6b1ea PZ	377	#endif
	378	#undef PN
	379	#undef P
	380
	381	SEQ_printf(m, "\n");
	382	SEQ_printf(m, "sysctl_sched\n");
43ae34cb	383
1aa4731e	384	#define P(x) \
d822cece	385	SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x))
1aa4731e	386	#define PN(x) \
d822cece	387	SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x))
1aa4731e	388	PN(sysctl_sched_latency);
b2be5e96	389	PN(sysctl_sched_min_granularity);
1aa4731e	390	PN(sysctl_sched_wakeup_granularity);
eebef746	391	P(sysctl_sched_child_runs_first);
1aa4731e IM	392	P(sysctl_sched_features);
	393	#undef PN
	394	#undef P
	395
bbbfeac9 NZ	396	SEQ_printf(m, " .%-40s: %d (%s)\n",
bbbfeac9 NZ	397	"sysctl_sched_tunable_scaling",
1983a922 CE	398	sysctl_sched_tunable_scaling,
1983a922 CE	399	sched_tunable_scaling_names[sysctl_sched_tunable_scaling]);
bbbfeac9 NZ	400	SEQ_printf(m, "\n");
bbbfeac9 NZ	401	}
1983a922	402
bbbfeac9 NZ	403	static int sched_debug_show(struct seq_file m, void v)
	404	{
	405	int cpu = (unsigned long)(v - 2);
43ae34cb	406
bbbfeac9 NZ	407	if (cpu != -1)
	408	print_cpu(m, cpu);
	409	else
	410	sched_debug_header(m);
43ae34cb IM	411
	412	return 0;
	413	}
	414
029632fb	415	void sysrq_sched_debug_show(void)
43ae34cb	416	{
bbbfeac9 NZ	417	int cpu;
	418
	419	sched_debug_header(NULL);
	420	for_each_online_cpu(cpu)
	421	print_cpu(NULL, cpu);
	422
	423	}
	424
	425	/*
	426	* This itererator needs some explanation.
	427	* It returns 1 for the header position.
	428	* This means 2 is cpu 0.
	429	* In a hotplugged system some cpus, including cpu 0, may be missing so we have
	430	* to use cpumask_* to iterate over the cpus.
	431	*/
	432	static void sched_debug_start(struct seq_file file, loff_t *offset)
	433	{
	434	unsigned long n = *offset;
	435
	436	if (n == 0)
	437	return (void *) 1;
	438
	439	n--;
	440
	441	if (n > 0)
	442	n = cpumask_next(n - 1, cpu_online_mask);
	443	else
	444	n = cpumask_first(cpu_online_mask);
	445
	446	*offset = n + 1;
	447
	448	if (n < nr_cpu_ids)
	449	return (void *)(unsigned long)(n + 2);
	450	return NULL;
	451	}
	452
	453	static void sched_debug_next(struct seq_file file, void data, loff_t offset)
	454	{
	455	(*offset)++;
	456	return sched_debug_start(file, offset);
	457	}
	458
	459	static void sched_debug_stop(struct seq_file file, void data)
	460	{
	461	}
	462
	463	static const struct seq_operations sched_debug_sops = {
	464	.start = sched_debug_start,
	465	.next = sched_debug_next,
	466	.stop = sched_debug_stop,
	467	.show = sched_debug_show,
	468	};
	469
	470	static int sched_debug_release(struct inode inode, struct file file)
	471	{
	472	seq_release(inode, file);
	473
	474	return 0;
43ae34cb IM	475	}
	476
	477	static int sched_debug_open(struct inode inode, struct file filp)
	478	{
bbbfeac9 NZ	479	int ret = 0;
	480
	481	ret = seq_open(filp, &sched_debug_sops);
	482
	483	return ret;
43ae34cb IM	484	}
43ae34cb IM	485
0dbee3a6	486	static const struct file_operations sched_debug_fops = {
43ae34cb IM	487	.open = sched_debug_open,
	488	.read = seq_read,
	489	.llseek = seq_lseek,
bbbfeac9	490	.release = sched_debug_release,
43ae34cb IM	491	};
	492
	493	static int __init init_sched_debug_procfs(void)
	494	{
	495	struct proc_dir_entry *pe;
	496
a9cf4ddb	497	pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops);
43ae34cb IM	498	if (!pe)
43ae34cb IM	499	return -ENOMEM;
43ae34cb IM	500	return 0;
	501	}
	502
	503	__initcall(init_sched_debug_procfs);
	504
b32e86b4 IM	505	#define __P(F) \
	506	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
	507	#define P(F) \
	508	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
	509	#define __PN(F) \
	510	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
	511	#define PN(F) \
	512	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
	513
	514
397f2378 SD	515	#ifdef CONFIG_NUMA_BALANCING
	516	void print_numa_stats(struct seq_file *m, int node, unsigned long tsf,
	517	unsigned long tpf, unsigned long gsf, unsigned long gpf)
	518	{
	519	SEQ_printf(m, "numa_faults node=%d ", node);
	520	SEQ_printf(m, "task_private=%lu task_shared=%lu ", tsf, tpf);
	521	SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gsf, gpf);
	522	}
	523	#endif
	524
	525
b32e86b4 IM	526	static void sched_show_numa(struct task_struct p, struct seq_file m)
	527	{
	528	#ifdef CONFIG_NUMA_BALANCING
	529	struct mempolicy *pol;
b32e86b4 IM	530
	531	if (p->mm)
	532	P(mm->numa_scan_seq);
	533
	534	task_lock(p);
	535	pol = p->mempolicy;
	536	if (pol && !(pol->flags & MPOL_F_MORON))
	537	pol = NULL;
	538	mpol_get(pol);
	539	task_unlock(p);
	540
397f2378 SD	541	P(numa_pages_migrated);
	542	P(numa_preferred_nid);
	543	P(total_numa_faults);
	544	SEQ_printf(m, "current_node=%d, numa_group_id=%d\n",
	545	task_node(p), task_numa_group_id(p));
	546	show_numa_stats(p, m);
b32e86b4 IM	547	mpol_put(pol);
	548	#endif
	549	}
	550
43ae34cb IM	551	void proc_sched_show_task(struct task_struct p, struct seq_file m)
43ae34cb IM	552	{
cc367732	553	unsigned long nr_switches;
43ae34cb	554
fc840914	555	SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr(p),
5089a976	556	get_nr_threads(p));
2d92f227	557	SEQ_printf(m,
add332a1 KB	558	"---------------------------------------------------------"
add332a1 KB	559	"----------\n");
cc367732	560	#define __P(F) \
add332a1	561	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
43ae34cb	562	#define P(F) \
add332a1	563	SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
cc367732	564	#define __PN(F) \
add332a1	565	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
ef83a571	566	#define PN(F) \
add332a1	567	SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
43ae34cb	568
ef83a571 IM	569	PN(se.exec_start);
	570	PN(se.vruntime);
	571	PN(se.sum_exec_runtime);
6cfb0d5d	572
cc367732 IM	573	nr_switches = p->nvcsw + p->nivcsw;
cc367732 IM	574
6cfb0d5d	575	#ifdef CONFIG_SCHEDSTATS
82a0d276	576	PN(se.statistics.sum_sleep_runtime);
41acab88 LDM	577	PN(se.statistics.wait_start);
	578	PN(se.statistics.sleep_start);
	579	PN(se.statistics.block_start);
	580	PN(se.statistics.sleep_max);
	581	PN(se.statistics.block_max);
	582	PN(se.statistics.exec_max);
	583	PN(se.statistics.slice_max);
	584	PN(se.statistics.wait_max);
	585	PN(se.statistics.wait_sum);
	586	P(se.statistics.wait_count);
	587	PN(se.statistics.iowait_sum);
	588	P(se.statistics.iowait_count);
cc367732	589	P(se.nr_migrations);
41acab88 LDM	590	P(se.statistics.nr_migrations_cold);
	591	P(se.statistics.nr_failed_migrations_affine);
	592	P(se.statistics.nr_failed_migrations_running);
	593	P(se.statistics.nr_failed_migrations_hot);
	594	P(se.statistics.nr_forced_migrations);
	595	P(se.statistics.nr_wakeups);
	596	P(se.statistics.nr_wakeups_sync);
	597	P(se.statistics.nr_wakeups_migrate);
	598	P(se.statistics.nr_wakeups_local);
	599	P(se.statistics.nr_wakeups_remote);
	600	P(se.statistics.nr_wakeups_affine);
	601	P(se.statistics.nr_wakeups_affine_attempts);
	602	P(se.statistics.nr_wakeups_passive);
	603	P(se.statistics.nr_wakeups_idle);
cc367732 IM	604
	605	{
	606	u64 avg_atom, avg_per_cpu;
	607
	608	avg_atom = p->se.sum_exec_runtime;
	609	if (nr_switches)
b0ab99e7	610	avg_atom = div64_ul(avg_atom, nr_switches);
cc367732 IM	611	else
	612	avg_atom = -1LL;
	613
	614	avg_per_cpu = p->se.sum_exec_runtime;
c1a89740	615	if (p->se.nr_migrations) {
6f6d6a1a RZ	616	avg_per_cpu = div64_u64(avg_per_cpu,
6f6d6a1a RZ	617	p->se.nr_migrations);
c1a89740	618	} else {
cc367732	619	avg_per_cpu = -1LL;
c1a89740	620	}
cc367732 IM	621
	622	__PN(avg_atom);
	623	__PN(avg_per_cpu);
	624	}
6cfb0d5d	625	#endif
cc367732	626	__P(nr_switches);
add332a1	627	SEQ_printf(m, "%-45s:%21Ld\n",
cc367732	628	"nr_voluntary_switches", (long long)p->nvcsw);
add332a1	629	SEQ_printf(m, "%-45s:%21Ld\n",
cc367732 IM	630	"nr_involuntary_switches", (long long)p->nivcsw);
cc367732 IM	631
43ae34cb	632	P(se.load.weight);
333bb864	633	#ifdef CONFIG_SMP
939fd731	634	P(se.avg.runnable_avg_sum);
36ee28e4 VG	635	P(se.avg.running_avg_sum);
36ee28e4 VG	636	P(se.avg.avg_period);
939fd731	637	P(se.avg.load_avg_contrib);
36ee28e4	638	P(se.avg.utilization_avg_contrib);
939fd731 KB	639	P(se.avg.decay_count);
939fd731 KB	640	#endif
43ae34cb IM	641	P(policy);
43ae34cb IM	642	P(prio);
ef83a571	643	#undef PN
cc367732 IM	644	#undef __PN
	645	#undef P
	646	#undef __P
43ae34cb IM	647
43ae34cb IM	648	{
29d7b90c	649	unsigned int this_cpu = raw_smp_processor_id();
43ae34cb IM	650	u64 t0, t1;
43ae34cb IM	651
29d7b90c IM	652	t0 = cpu_clock(this_cpu);
29d7b90c IM	653	t1 = cpu_clock(this_cpu);
add332a1	654	SEQ_printf(m, "%-45s:%21Ld\n",
43ae34cb IM	655	"clock-delta", (long long)(t1-t0));
43ae34cb IM	656	}
b32e86b4 IM	657
b32e86b4 IM	658	sched_show_numa(p, m);
43ae34cb IM	659	}
	660
	661	void proc_sched_set_task(struct task_struct *p)
	662	{
6cfb0d5d	663	#ifdef CONFIG_SCHEDSTATS
41acab88	664	memset(&p->se.statistics, 0, sizeof(p->se.statistics));
6cfb0d5d	665	#endif
43ae34cb	666	}