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sched/deadline: Add deadline rq status print

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This patch add deadline rq status print.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Kirill Tkhai <ktkhai@parallels.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1414708776-124078-3-git-send-email-wanpeng.li@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Wanpeng Li 2014-10-31 06:39:33 +08:00 • committed by Ingo Molnar
parent 804968809c
commit acb32132ec
3 changed files with 17 additions and 0 deletions
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9
kernel/sched/deadline.c
View file

@ -1747,3 +1747,12 @@ const struct sched_class dl_sched_class = {
.switched_from = switched_from_dl, .switched_from = switched_from_dl,
.switched_to = switched_to_dl, .switched_to = switched_to_dl,
}; };
#ifdef CONFIG_SCHED_DEBUG
extern void print_dl_rq(struct seq_file *m, int cpu, struct dl_rq *dl_rq);
void print_dl_stats(struct seq_file *m, int cpu)
{
print_dl_rq(m, cpu, &cpu_rq(cpu)->dl);
}
#endif /* CONFIG_SCHED_DEBUG */

7
kernel/sched/debug.c
View file

@ -261,6 +261,12 @@ void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq)
#undef P #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; extern __read_mostly int sched_clock_running;
static void print_cpu(struct seq_file *m, int cpu) static void print_cpu(struct seq_file *m, int cpu)
@ -329,6 +335,7 @@ do { \
spin_lock_irqsave(&sched_debug_lock, flags); spin_lock_irqsave(&sched_debug_lock, flags);
print_cfs_stats(m, cpu); print_cfs_stats(m, cpu);
print_rt_stats(m, cpu); print_rt_stats(m, cpu);
print_dl_stats(m, cpu);
print_rq(m, rq, cpu); print_rq(m, rq, cpu);
spin_unlock_irqrestore(&sched_debug_lock, flags); spin_unlock_irqrestore(&sched_debug_lock, flags);

1
kernel/sched/sched.h
View file

@ -1537,6 +1537,7 @@ extern struct sched_entity *__pick_first_entity(struct cfs_rq *cfs_rq);
extern struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq); extern struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq);
extern void print_cfs_stats(struct seq_file *m, int cpu); extern void print_cfs_stats(struct seq_file *m, int cpu);
extern void print_rt_stats(struct seq_file *m, int cpu); extern void print_rt_stats(struct seq_file *m, int cpu);
extern void print_dl_stats(struct seq_file *m, int cpu);
extern void init_cfs_rq(struct cfs_rq *cfs_rq); extern void init_cfs_rq(struct cfs_rq *cfs_rq);
extern void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq); extern void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq);