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authorWanpeng Li <wanpeng.li@linux.intel.com>2014-10-30 23:39:33 +0100
committerIngo Molnar <mingo@kernel.org>2014-11-04 07:17:54 +0100
commitacb32132ec0433c03bed750f3e9508dc29db0328 (patch)
treee12ff655f666c1043c104808f874b0a5349a7ba4 /kernel/sched
parentsched/deadline: Fix artificial overrun introduced by yield_task_dl() (diff)
downloadlinux-acb32132ec0433c03bed750f3e9508dc29db0328.tar.xz
linux-acb32132ec0433c03bed750f3e9508dc29db0328.zip
sched/deadline: Add deadline rq status print
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>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/deadline.c9
-rw-r--r--kernel/sched/debug.c7
-rw-r--r--kernel/sched/sched.h1
3 files changed, 17 insertions, 0 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index c047a94de273..8867a67b8f0a 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1747,3 +1747,12 @@ 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 ce33780d8f20..eeb6046d60c7 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 49b941fe2cc2..7e5c1eebc110 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -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 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);