diff options
Diffstat (limited to 'kernel/sched_debug.c')
-rw-r--r-- | kernel/sched_debug.c | 57 |
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 | ||
57 | static 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 | |||
56 | static void | 90 | static void |
57 | print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) | 91 | print_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); |