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-rw-r--r--kernel/sched/debug.c68
1 files changed, 66 insertions, 2 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 196559994f7c..5c34d1817e8f 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -15,6 +15,7 @@
15#include <linux/seq_file.h> 15#include <linux/seq_file.h>
16#include <linux/kallsyms.h> 16#include <linux/kallsyms.h>
17#include <linux/utsname.h> 17#include <linux/utsname.h>
18#include <linux/mempolicy.h>
18 19
19#include "sched.h" 20#include "sched.h"
20 21
@@ -137,6 +138,9 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
137 SEQ_printf(m, "%15Ld %15Ld %15Ld.%06ld %15Ld.%06ld %15Ld.%06ld", 138 SEQ_printf(m, "%15Ld %15Ld %15Ld.%06ld %15Ld.%06ld %15Ld.%06ld",
138 0LL, 0LL, 0LL, 0L, 0LL, 0L, 0LL, 0L); 139 0LL, 0LL, 0LL, 0L, 0LL, 0L, 0LL, 0L);
139#endif 140#endif
141#ifdef CONFIG_NUMA_BALANCING
142 SEQ_printf(m, " %d", cpu_to_node(task_cpu(p)));
143#endif
140#ifdef CONFIG_CGROUP_SCHED 144#ifdef CONFIG_CGROUP_SCHED
141 SEQ_printf(m, " %s", task_group_path(task_group(p))); 145 SEQ_printf(m, " %s", task_group_path(task_group(p)));
142#endif 146#endif
@@ -159,7 +163,7 @@ static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
159 read_lock_irqsave(&tasklist_lock, flags); 163 read_lock_irqsave(&tasklist_lock, flags);
160 164
161 do_each_thread(g, p) { 165 do_each_thread(g, p) {
162 if (!p->on_rq || task_cpu(p) != rq_cpu) 166 if (task_cpu(p) != rq_cpu)
163 continue; 167 continue;
164 168
165 print_task(m, rq, p); 169 print_task(m, rq, p);
@@ -225,6 +229,14 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
225 atomic_read(&cfs_rq->tg->runnable_avg)); 229 atomic_read(&cfs_rq->tg->runnable_avg));
226#endif 230#endif
227#endif 231#endif
232#ifdef CONFIG_CFS_BANDWIDTH
233 SEQ_printf(m, " .%-30s: %d\n", "tg->cfs_bandwidth.timer_active",
234 cfs_rq->tg->cfs_bandwidth.timer_active);
235 SEQ_printf(m, " .%-30s: %d\n", "throttled",
236 cfs_rq->throttled);
237 SEQ_printf(m, " .%-30s: %d\n", "throttle_count",
238 cfs_rq->throttle_count);
239#endif
228 240
229#ifdef CONFIG_FAIR_GROUP_SCHED 241#ifdef CONFIG_FAIR_GROUP_SCHED
230 print_cfs_group_stats(m, cpu, cfs_rq->tg); 242 print_cfs_group_stats(m, cpu, cfs_rq->tg);
@@ -345,7 +357,7 @@ static void sched_debug_header(struct seq_file *m)
345 cpu_clk = local_clock(); 357 cpu_clk = local_clock();
346 local_irq_restore(flags); 358 local_irq_restore(flags);
347 359
348 SEQ_printf(m, "Sched Debug Version: v0.10, %s %.*s\n", 360 SEQ_printf(m, "Sched Debug Version: v0.11, %s %.*s\n",
349 init_utsname()->release, 361 init_utsname()->release,
350 (int)strcspn(init_utsname()->version, " "), 362 (int)strcspn(init_utsname()->version, " "),
351 init_utsname()->version); 363 init_utsname()->version);
@@ -488,6 +500,56 @@ static int __init init_sched_debug_procfs(void)
488 500
489__initcall(init_sched_debug_procfs); 501__initcall(init_sched_debug_procfs);
490 502
503#define __P(F) \
504 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F)
505#define P(F) \
506 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F)
507#define __PN(F) \
508 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
509#define PN(F) \
510 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
511
512
513static void sched_show_numa(struct task_struct *p, struct seq_file *m)
514{
515#ifdef CONFIG_NUMA_BALANCING
516 struct mempolicy *pol;
517 int node, i;
518
519 if (p->mm)
520 P(mm->numa_scan_seq);
521
522 task_lock(p);
523 pol = p->mempolicy;
524 if (pol && !(pol->flags & MPOL_F_MORON))
525 pol = NULL;
526 mpol_get(pol);
527 task_unlock(p);
528
529 SEQ_printf(m, "numa_migrations, %ld\n", xchg(&p->numa_pages_migrated, 0));
530
531 for_each_online_node(node) {
532 for (i = 0; i < 2; i++) {
533 unsigned long nr_faults = -1;
534 int cpu_current, home_node;
535
536 if (p->numa_faults)
537 nr_faults = p->numa_faults[2*node + i];
538
539 cpu_current = !i ? (task_node(p) == node) :
540 (pol && node_isset(node, pol->v.nodes));
541
542 home_node = (p->numa_preferred_nid == node);
543
544 SEQ_printf(m, "numa_faults, %d, %d, %d, %d, %ld\n",
545 i, node, cpu_current, home_node, nr_faults);
546 }
547 }
548
549 mpol_put(pol);
550#endif
551}
552
491void proc_sched_show_task(struct task_struct *p, struct seq_file *m) 553void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
492{ 554{
493 unsigned long nr_switches; 555 unsigned long nr_switches;
@@ -591,6 +653,8 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
591 SEQ_printf(m, "%-45s:%21Ld\n", 653 SEQ_printf(m, "%-45s:%21Ld\n",
592 "clock-delta", (long long)(t1-t0)); 654 "clock-delta", (long long)(t1-t0));
593 } 655 }
656
657 sched_show_numa(p, m);
594} 658}
595 659
596void proc_sched_set_task(struct task_struct *p) 660void proc_sched_set_task(struct task_struct *p)