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-rw-r--r--kernel/sched_debug.c57
1 files changed, 43 insertions, 14 deletions
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 26ed8e3d1c15..4293cfa9681d 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -53,6 +53,40 @@ static unsigned long nsec_low(unsigned long long nsec)
53 53
54#define SPLIT_NS(x) nsec_high(x), nsec_low(x) 54#define SPLIT_NS(x) nsec_high(x), nsec_low(x)
55 55
56#ifdef CONFIG_FAIR_GROUP_SCHED
57static void print_cfs_group_stats(struct seq_file *m, int cpu,
58 struct task_group *tg)
59{
60 struct sched_entity *se = tg->se[cpu];
61 if (!se)
62 return;
63
64#define P(F) \
65 SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)F)
66#define PN(F) \
67 SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F))
68
69 PN(se->exec_start);
70 PN(se->vruntime);
71 PN(se->sum_exec_runtime);
72#ifdef CONFIG_SCHEDSTATS
73 PN(se->wait_start);
74 PN(se->sleep_start);
75 PN(se->block_start);
76 PN(se->sleep_max);
77 PN(se->block_max);
78 PN(se->exec_max);
79 PN(se->slice_max);
80 PN(se->wait_max);
81 PN(se->wait_sum);
82 P(se->wait_count);
83#endif
84 P(se->load.weight);
85#undef PN
86#undef P
87}
88#endif
89
56static void 90static void
57print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) 91print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
58{ 92{
@@ -121,20 +155,19 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
121 155
122#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED) 156#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED)
123 char path[128] = ""; 157 char path[128] = "";
124 struct cgroup *cgroup = NULL;
125 struct task_group *tg = cfs_rq->tg; 158 struct task_group *tg = cfs_rq->tg;
126 159
127 if (tg) 160 cgroup_path(tg->css.cgroup, path, sizeof(path));
128 cgroup = tg->css.cgroup;
129
130 if (cgroup)
131 cgroup_path(cgroup, path, sizeof(path));
132 161
133 SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, path); 162 SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, path);
163#elif defined(CONFIG_USER_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED)
164 {
165 uid_t uid = cfs_rq->tg->uid;
166 SEQ_printf(m, "\ncfs_rq[%d] for UID: %u\n", cpu, uid);
167 }
134#else 168#else
135 SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu); 169 SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu);
136#endif 170#endif
137
138 SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock", 171 SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock",
139 SPLIT_NS(cfs_rq->exec_clock)); 172 SPLIT_NS(cfs_rq->exec_clock));
140 173
@@ -168,6 +201,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
168#ifdef CONFIG_SMP 201#ifdef CONFIG_SMP
169 SEQ_printf(m, " .%-30s: %lu\n", "shares", cfs_rq->shares); 202 SEQ_printf(m, " .%-30s: %lu\n", "shares", cfs_rq->shares);
170#endif 203#endif
204 print_cfs_group_stats(m, cpu, cfs_rq->tg);
171#endif 205#endif
172} 206}
173 207
@@ -175,14 +209,9 @@ void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq)
175{ 209{
176#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_RT_GROUP_SCHED) 210#if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_RT_GROUP_SCHED)
177 char path[128] = ""; 211 char path[128] = "";
178 struct cgroup *cgroup = NULL;
179 struct task_group *tg = rt_rq->tg; 212 struct task_group *tg = rt_rq->tg;
180 213
181 if (tg) 214 cgroup_path(tg->css.cgroup, path, sizeof(path));
182 cgroup = tg->css.cgroup;
183
184 if (cgroup)
185 cgroup_path(cgroup, path, sizeof(path));
186 215
187 SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, path); 216 SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, path);
188#else 217#else
@@ -272,7 +301,7 @@ static int sched_debug_show(struct seq_file *m, void *v)
272 u64 now = ktime_to_ns(ktime_get()); 301 u64 now = ktime_to_ns(ktime_get());
273 int cpu; 302 int cpu;
274 303
275 SEQ_printf(m, "Sched Debug Version: v0.07, %s %.*s\n", 304 SEQ_printf(m, "Sched Debug Version: v0.08, %s %.*s\n",
276 init_utsname()->release, 305 init_utsname()->release,
277 (int)strcspn(init_utsname()->version, " "), 306 (int)strcspn(init_utsname()->version, " "),
278 init_utsname()->version); 307 init_utsname()->version);