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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 18:30:49 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 18:30:49 -0500
commit897e81bea1fcfcd2c5cdb720c9efdb25da9ff374 (patch)
tree92cf33ed2c35c1ece633f09365702f1c8e24d415 /fs/proc/array.c
parentc3fa27d1367fac63ac8533d6f20ea851d0d70a10 (diff)
parent0cf55e1ec08bb5a22e068309e2d8ba1180ab4239 (diff)
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (35 commits) sched, cputime: Introduce thread_group_times() sched, cputime: Cleanups related to task_times() Revert "sched, x86: Optimize branch hint in __switch_to()" sched: Fix isolcpus boot option sched: Revert 498657a478c60be092208422fefa9c7b248729c2 sched, time: Define nsecs_to_jiffies() sched: Remove task_{u,s,g}time() sched: Introduce task_times() to replace task_{u,s}time() pair sched: Limit the number of scheduler debug messages sched.c: Call debug_show_all_locks() when dumping all tasks sched, x86: Optimize branch hint in __switch_to() sched: Optimize branch hint in context_switch() sched: Optimize branch hint in pick_next_task_fair() sched_feat_write(): Update ppos instead of file->f_pos sched: Sched_rt_periodic_timer vs cpu hotplug sched, kvm: Fix race condition involving sched_in_preempt_notifers sched: More generic WAKE_AFFINE vs select_idle_sibling() sched: Cleanup select_task_rq_fair() sched: Fix granularity of task_u/stime() sched: Fix/add missing update_rq_clock() calls ...
Diffstat (limited to 'fs/proc/array.c')
-rw-r--r--fs/proc/array.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 822c2d506518..4badde179b18 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -410,6 +410,16 @@ static void task_show_stack_usage(struct seq_file *m, struct task_struct *task)
410} 410}
411#endif /* CONFIG_MMU */ 411#endif /* CONFIG_MMU */
412 412
413static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
414{
415 seq_printf(m, "Cpus_allowed:\t");
416 seq_cpumask(m, &task->cpus_allowed);
417 seq_printf(m, "\n");
418 seq_printf(m, "Cpus_allowed_list:\t");
419 seq_cpumask_list(m, &task->cpus_allowed);
420 seq_printf(m, "\n");
421}
422
413int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, 423int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
414 struct pid *pid, struct task_struct *task) 424 struct pid *pid, struct task_struct *task)
415{ 425{
@@ -424,6 +434,7 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
424 } 434 }
425 task_sig(m, task); 435 task_sig(m, task);
426 task_cap(m, task); 436 task_cap(m, task);
437 task_cpus_allowed(m, task);
427 cpuset_task_status_allowed(m, task); 438 cpuset_task_status_allowed(m, task);
428#if defined(CONFIG_S390) 439#if defined(CONFIG_S390)
429 task_show_regs(m, task); 440 task_show_regs(m, task);
@@ -495,20 +506,17 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
495 506
496 /* add up live thread stats at the group level */ 507 /* add up live thread stats at the group level */
497 if (whole) { 508 if (whole) {
498 struct task_cputime cputime;
499 struct task_struct *t = task; 509 struct task_struct *t = task;
500 do { 510 do {
501 min_flt += t->min_flt; 511 min_flt += t->min_flt;
502 maj_flt += t->maj_flt; 512 maj_flt += t->maj_flt;
503 gtime = cputime_add(gtime, task_gtime(t)); 513 gtime = cputime_add(gtime, t->gtime);
504 t = next_thread(t); 514 t = next_thread(t);
505 } while (t != task); 515 } while (t != task);
506 516
507 min_flt += sig->min_flt; 517 min_flt += sig->min_flt;
508 maj_flt += sig->maj_flt; 518 maj_flt += sig->maj_flt;
509 thread_group_cputime(task, &cputime); 519 thread_group_times(task, &utime, &stime);
510 utime = cputime.utime;
511 stime = cputime.stime;
512 gtime = cputime_add(gtime, sig->gtime); 520 gtime = cputime_add(gtime, sig->gtime);
513 } 521 }
514 522
@@ -524,9 +532,8 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
524 if (!whole) { 532 if (!whole) {
525 min_flt = task->min_flt; 533 min_flt = task->min_flt;
526 maj_flt = task->maj_flt; 534 maj_flt = task->maj_flt;
527 utime = task_utime(task); 535 task_times(task, &utime, &stime);
528 stime = task_stime(task); 536 gtime = task->gtime;
529 gtime = task_gtime(task);
530 } 537 }
531 538
532 /* scale priority and nice values from timeslices to -20..20 */ 539 /* scale priority and nice values from timeslices to -20..20 */