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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-06-19 14:22:24 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-20 10:25:59 +0200
commitada18de2eb76961a4d4847f63291744c9e7beec4 (patch)
tree2626852c3d735aea1a49570afea3fa936a8186dc /kernel/sched_debug.c
parent1cdad71537b42d0f0bf247772942ce678e4e8898 (diff)
downloadlwn-ada18de2eb76961a4d4847f63291744c9e7beec4.tar.gz
lwn-ada18de2eb76961a4d4847f63291744c9e7beec4.zip
sched: debug: add some rt debug output
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: "Daniel K." <dk@uw.no> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_debug.c')
-rw-r--r--kernel/sched_debug.c40
1 files changed, 37 insertions, 3 deletions
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 8bb713040ac9..8e077b9c91cb 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -119,9 +119,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
struct sched_entity *last;
unsigned long flags;
-#if !defined(CONFIG_CGROUP_SCHED) || !defined(CONFIG_USER_SCHED)
- SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu);
-#else
+#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED)
char path[128] = "";
struct cgroup *cgroup = NULL;
struct task_group *tg = cfs_rq->tg;
@@ -133,6 +131,8 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
cgroup_path(cgroup, path, sizeof(path));
SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, path);
+#else
+ SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu);
#endif
SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock",
@@ -169,6 +169,39 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
cfs_rq->nr_spread_over);
}
+void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq)
+{
+#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_RT_GROUP_SCHED)
+ char path[128] = "";
+ struct cgroup *cgroup = NULL;
+ struct task_group *tg = rt_rq->tg;
+
+ if (tg)
+ cgroup = tg->css.cgroup;
+
+ if (cgroup)
+ cgroup_path(cgroup, path, sizeof(path));
+
+ SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, path);
+#else
+ SEQ_printf(m, "\nrt_rq[%d]:\n", cpu);
+#endif
+
+
+#define P(x) \
+ SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rt_rq->x))
+#define PN(x) \
+ SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x))
+
+ P(rt_nr_running);
+ P(rt_throttled);
+ PN(rt_time);
+ PN(rt_runtime);
+
+#undef PN
+#undef P
+}
+
static void print_cpu(struct seq_file *m, int cpu)
{
struct rq *rq = &per_cpu(runqueues, cpu);
@@ -208,6 +241,7 @@ static void print_cpu(struct seq_file *m, int cpu)
#undef PN
print_cfs_stats(m, cpu);
+ print_rt_stats(m, cpu);
print_rq(m, rq, cpu);
}