This patch add deadline rq status print.
Signed-off-by: Wanpeng Li <[email protected]>
---
kernel/sched/deadline.c | 9 +++++++++
kernel/sched/debug.c | 7 +++++++
kernel/sched/sched.h | 1 +
3 files changed, 17 insertions(+)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index db6ad38..4c5fdf5 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1727,3 +1727,12 @@ const struct sched_class dl_sched_class = {
.switched_from = switched_from_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 */
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index ce33780..eeb6046 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -261,6 +261,12 @@ void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq
*rt_rq)
#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)
@@ -329,6 +335,7 @@ do {
\
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);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index ec3917c..3c6cac6 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1532,6 +1532,7 @@ 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 void print_cfs_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_rt_rq(struct rt_rq *rt_rq, struct rq *rq);
--
1.9.1
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