Commit | Line | Data |
---|---|---|
43ae34cb | 1 | /* |
391e43da | 2 | * kernel/sched/debug.c |
43ae34cb | 3 | * |
325ea10c | 4 | * Print the CFS rbtree and other debugging details |
43ae34cb IM |
5 | * |
6 | * Copyright(C) 2007, Red Hat, Inc., Ingo Molnar | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
029632fb PZ |
12 | #include "sched.h" |
13 | ||
efe25c2c BR |
14 | static DEFINE_SPINLOCK(sched_debug_lock); |
15 | ||
43ae34cb IM |
16 | /* |
17 | * This allows printing both to /proc/sched_debug and | |
18 | * to the console | |
19 | */ | |
20 | #define SEQ_printf(m, x...) \ | |
21 | do { \ | |
22 | if (m) \ | |
23 | seq_printf(m, x); \ | |
24 | else \ | |
a8c024cd | 25 | pr_cont(x); \ |
43ae34cb IM |
26 | } while (0) |
27 | ||
ef83a571 IM |
28 | /* |
29 | * Ease the printing of nsec fields: | |
30 | */ | |
90b2628f | 31 | static long long nsec_high(unsigned long long nsec) |
ef83a571 | 32 | { |
90b2628f | 33 | if ((long long)nsec < 0) { |
ef83a571 IM |
34 | nsec = -nsec; |
35 | do_div(nsec, 1000000); | |
36 | return -nsec; | |
37 | } | |
38 | do_div(nsec, 1000000); | |
39 | ||
40 | return nsec; | |
41 | } | |
42 | ||
90b2628f | 43 | static unsigned long nsec_low(unsigned long long nsec) |
ef83a571 | 44 | { |
90b2628f | 45 | if ((long long)nsec < 0) |
ef83a571 IM |
46 | nsec = -nsec; |
47 | ||
48 | return do_div(nsec, 1000000); | |
49 | } | |
50 | ||
51 | #define SPLIT_NS(x) nsec_high(x), nsec_low(x) | |
52 | ||
d6ca41d7 SRRH |
53 | #define SCHED_FEAT(name, enabled) \ |
54 | #name , | |
55 | ||
56 | static const char * const sched_feat_names[] = { | |
57 | #include "features.h" | |
58 | }; | |
59 | ||
60 | #undef SCHED_FEAT | |
61 | ||
62 | static int sched_feat_show(struct seq_file *m, void *v) | |
63 | { | |
64 | int i; | |
65 | ||
66 | for (i = 0; i < __SCHED_FEAT_NR; i++) { | |
67 | if (!(sysctl_sched_features & (1UL << i))) | |
68 | seq_puts(m, "NO_"); | |
69 | seq_printf(m, "%s ", sched_feat_names[i]); | |
70 | } | |
71 | seq_puts(m, "\n"); | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
e9666d10 | 76 | #ifdef CONFIG_JUMP_LABEL |
d6ca41d7 SRRH |
77 | |
78 | #define jump_label_key__true STATIC_KEY_INIT_TRUE | |
79 | #define jump_label_key__false STATIC_KEY_INIT_FALSE | |
80 | ||
81 | #define SCHED_FEAT(name, enabled) \ | |
82 | jump_label_key__##enabled , | |
83 | ||
84 | struct static_key sched_feat_keys[__SCHED_FEAT_NR] = { | |
85 | #include "features.h" | |
86 | }; | |
87 | ||
88 | #undef SCHED_FEAT | |
89 | ||
90 | static void sched_feat_disable(int i) | |
91 | { | |
e73e8197 | 92 | static_key_disable_cpuslocked(&sched_feat_keys[i]); |
d6ca41d7 SRRH |
93 | } |
94 | ||
95 | static void sched_feat_enable(int i) | |
96 | { | |
e73e8197 | 97 | static_key_enable_cpuslocked(&sched_feat_keys[i]); |
d6ca41d7 SRRH |
98 | } |
99 | #else | |
100 | static void sched_feat_disable(int i) { }; | |
101 | static void sched_feat_enable(int i) { }; | |
e9666d10 | 102 | #endif /* CONFIG_JUMP_LABEL */ |
d6ca41d7 SRRH |
103 | |
104 | static int sched_feat_set(char *cmp) | |
105 | { | |
106 | int i; | |
107 | int neg = 0; | |
108 | ||
109 | if (strncmp(cmp, "NO_", 3) == 0) { | |
110 | neg = 1; | |
111 | cmp += 3; | |
112 | } | |
113 | ||
8f894bf4 YX |
114 | i = match_string(sched_feat_names, __SCHED_FEAT_NR, cmp); |
115 | if (i < 0) | |
116 | return i; | |
117 | ||
118 | if (neg) { | |
119 | sysctl_sched_features &= ~(1UL << i); | |
120 | sched_feat_disable(i); | |
121 | } else { | |
122 | sysctl_sched_features |= (1UL << i); | |
123 | sched_feat_enable(i); | |
d6ca41d7 SRRH |
124 | } |
125 | ||
8f894bf4 | 126 | return 0; |
d6ca41d7 SRRH |
127 | } |
128 | ||
129 | static ssize_t | |
130 | sched_feat_write(struct file *filp, const char __user *ubuf, | |
131 | size_t cnt, loff_t *ppos) | |
132 | { | |
133 | char buf[64]; | |
134 | char *cmp; | |
8f894bf4 | 135 | int ret; |
d6ca41d7 SRRH |
136 | struct inode *inode; |
137 | ||
138 | if (cnt > 63) | |
139 | cnt = 63; | |
140 | ||
141 | if (copy_from_user(&buf, ubuf, cnt)) | |
142 | return -EFAULT; | |
143 | ||
144 | buf[cnt] = 0; | |
145 | cmp = strstrip(buf); | |
146 | ||
147 | /* Ensure the static_key remains in a consistent state */ | |
148 | inode = file_inode(filp); | |
e73e8197 | 149 | cpus_read_lock(); |
d6ca41d7 | 150 | inode_lock(inode); |
8f894bf4 | 151 | ret = sched_feat_set(cmp); |
d6ca41d7 | 152 | inode_unlock(inode); |
e73e8197 | 153 | cpus_read_unlock(); |
8f894bf4 YX |
154 | if (ret < 0) |
155 | return ret; | |
d6ca41d7 SRRH |
156 | |
157 | *ppos += cnt; | |
158 | ||
159 | return cnt; | |
160 | } | |
161 | ||
162 | static int sched_feat_open(struct inode *inode, struct file *filp) | |
163 | { | |
164 | return single_open(filp, sched_feat_show, NULL); | |
165 | } | |
166 | ||
167 | static const struct file_operations sched_feat_fops = { | |
168 | .open = sched_feat_open, | |
169 | .write = sched_feat_write, | |
170 | .read = seq_read, | |
171 | .llseek = seq_lseek, | |
172 | .release = single_release, | |
173 | }; | |
174 | ||
9469eb01 PZ |
175 | __read_mostly bool sched_debug_enabled; |
176 | ||
d6ca41d7 SRRH |
177 | static __init int sched_init_debug(void) |
178 | { | |
179 | debugfs_create_file("sched_features", 0644, NULL, NULL, | |
180 | &sched_feat_fops); | |
181 | ||
9469eb01 PZ |
182 | debugfs_create_bool("sched_debug", 0644, NULL, |
183 | &sched_debug_enabled); | |
184 | ||
d6ca41d7 SRRH |
185 | return 0; |
186 | } | |
187 | late_initcall(sched_init_debug); | |
188 | ||
3866e845 SRRH |
189 | #ifdef CONFIG_SMP |
190 | ||
191 | #ifdef CONFIG_SYSCTL | |
192 | ||
193 | static struct ctl_table sd_ctl_dir[] = { | |
194 | { | |
195 | .procname = "sched_domain", | |
196 | .mode = 0555, | |
197 | }, | |
198 | {} | |
199 | }; | |
200 | ||
201 | static struct ctl_table sd_ctl_root[] = { | |
202 | { | |
203 | .procname = "kernel", | |
204 | .mode = 0555, | |
205 | .child = sd_ctl_dir, | |
206 | }, | |
207 | {} | |
208 | }; | |
209 | ||
210 | static struct ctl_table *sd_alloc_ctl_entry(int n) | |
211 | { | |
212 | struct ctl_table *entry = | |
213 | kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL); | |
214 | ||
215 | return entry; | |
216 | } | |
217 | ||
218 | static void sd_free_ctl_entry(struct ctl_table **tablep) | |
219 | { | |
220 | struct ctl_table *entry; | |
221 | ||
222 | /* | |
223 | * In the intermediate directories, both the child directory and | |
224 | * procname are dynamically allocated and could fail but the mode | |
225 | * will always be set. In the lowest directory the names are | |
226 | * static strings and all have proc handlers. | |
227 | */ | |
228 | for (entry = *tablep; entry->mode; entry++) { | |
229 | if (entry->child) | |
230 | sd_free_ctl_entry(&entry->child); | |
231 | if (entry->proc_handler == NULL) | |
232 | kfree(entry->procname); | |
233 | } | |
234 | ||
235 | kfree(*tablep); | |
236 | *tablep = NULL; | |
237 | } | |
238 | ||
239 | static int min_load_idx = 0; | |
240 | static int max_load_idx = CPU_LOAD_IDX_MAX-1; | |
241 | ||
242 | static void | |
243 | set_table_entry(struct ctl_table *entry, | |
244 | const char *procname, void *data, int maxlen, | |
245 | umode_t mode, proc_handler *proc_handler, | |
246 | bool load_idx) | |
247 | { | |
248 | entry->procname = procname; | |
249 | entry->data = data; | |
250 | entry->maxlen = maxlen; | |
251 | entry->mode = mode; | |
252 | entry->proc_handler = proc_handler; | |
253 | ||
254 | if (load_idx) { | |
255 | entry->extra1 = &min_load_idx; | |
256 | entry->extra2 = &max_load_idx; | |
257 | } | |
258 | } | |
259 | ||
260 | static struct ctl_table * | |
261 | sd_alloc_ctl_domain_table(struct sched_domain *sd) | |
262 | { | |
263 | struct ctl_table *table = sd_alloc_ctl_entry(14); | |
264 | ||
265 | if (table == NULL) | |
266 | return NULL; | |
267 | ||
97fb7a0a IM |
268 | set_table_entry(&table[0] , "min_interval", &sd->min_interval, sizeof(long), 0644, proc_doulongvec_minmax, false); |
269 | set_table_entry(&table[1] , "max_interval", &sd->max_interval, sizeof(long), 0644, proc_doulongvec_minmax, false); | |
270 | set_table_entry(&table[2] , "busy_idx", &sd->busy_idx, sizeof(int) , 0644, proc_dointvec_minmax, true ); | |
271 | set_table_entry(&table[3] , "idle_idx", &sd->idle_idx, sizeof(int) , 0644, proc_dointvec_minmax, true ); | |
272 | set_table_entry(&table[4] , "newidle_idx", &sd->newidle_idx, sizeof(int) , 0644, proc_dointvec_minmax, true ); | |
273 | set_table_entry(&table[5] , "wake_idx", &sd->wake_idx, sizeof(int) , 0644, proc_dointvec_minmax, true ); | |
274 | set_table_entry(&table[6] , "forkexec_idx", &sd->forkexec_idx, sizeof(int) , 0644, proc_dointvec_minmax, true ); | |
275 | set_table_entry(&table[7] , "busy_factor", &sd->busy_factor, sizeof(int) , 0644, proc_dointvec_minmax, false); | |
276 | set_table_entry(&table[8] , "imbalance_pct", &sd->imbalance_pct, sizeof(int) , 0644, proc_dointvec_minmax, false); | |
277 | set_table_entry(&table[9] , "cache_nice_tries", &sd->cache_nice_tries, sizeof(int) , 0644, proc_dointvec_minmax, false); | |
278 | set_table_entry(&table[10], "flags", &sd->flags, sizeof(int) , 0644, proc_dointvec_minmax, false); | |
279 | set_table_entry(&table[11], "max_newidle_lb_cost", &sd->max_newidle_lb_cost, sizeof(long), 0644, proc_doulongvec_minmax, false); | |
280 | set_table_entry(&table[12], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring, false); | |
3866e845 SRRH |
281 | /* &table[13] is terminator */ |
282 | ||
283 | return table; | |
284 | } | |
285 | ||
286 | static struct ctl_table *sd_alloc_ctl_cpu_table(int cpu) | |
287 | { | |
288 | struct ctl_table *entry, *table; | |
289 | struct sched_domain *sd; | |
290 | int domain_num = 0, i; | |
291 | char buf[32]; | |
292 | ||
293 | for_each_domain(cpu, sd) | |
294 | domain_num++; | |
295 | entry = table = sd_alloc_ctl_entry(domain_num + 1); | |
296 | if (table == NULL) | |
297 | return NULL; | |
298 | ||
299 | i = 0; | |
300 | for_each_domain(cpu, sd) { | |
301 | snprintf(buf, 32, "domain%d", i); | |
302 | entry->procname = kstrdup(buf, GFP_KERNEL); | |
303 | entry->mode = 0555; | |
304 | entry->child = sd_alloc_ctl_domain_table(sd); | |
305 | entry++; | |
306 | i++; | |
307 | } | |
308 | return table; | |
309 | } | |
310 | ||
97fb7a0a IM |
311 | static cpumask_var_t sd_sysctl_cpus; |
312 | static struct ctl_table_header *sd_sysctl_header; | |
bbdacdfe | 313 | |
3866e845 SRRH |
314 | void register_sched_domain_sysctl(void) |
315 | { | |
bbdacdfe PZ |
316 | static struct ctl_table *cpu_entries; |
317 | static struct ctl_table **cpu_idx; | |
1ca4fa3a | 318 | static bool init_done = false; |
3866e845 | 319 | char buf[32]; |
bbdacdfe | 320 | int i; |
3866e845 | 321 | |
bbdacdfe PZ |
322 | if (!cpu_entries) { |
323 | cpu_entries = sd_alloc_ctl_entry(num_possible_cpus() + 1); | |
324 | if (!cpu_entries) | |
325 | return; | |
3866e845 | 326 | |
bbdacdfe PZ |
327 | WARN_ON(sd_ctl_dir[0].child); |
328 | sd_ctl_dir[0].child = cpu_entries; | |
329 | } | |
3866e845 | 330 | |
bbdacdfe PZ |
331 | if (!cpu_idx) { |
332 | struct ctl_table *e = cpu_entries; | |
333 | ||
334 | cpu_idx = kcalloc(nr_cpu_ids, sizeof(struct ctl_table*), GFP_KERNEL); | |
335 | if (!cpu_idx) | |
336 | return; | |
337 | ||
338 | /* deal with sparse possible map */ | |
339 | for_each_possible_cpu(i) { | |
340 | cpu_idx[i] = e; | |
341 | e++; | |
342 | } | |
343 | } | |
344 | ||
345 | if (!cpumask_available(sd_sysctl_cpus)) { | |
346 | if (!alloc_cpumask_var(&sd_sysctl_cpus, GFP_KERNEL)) | |
347 | return; | |
1ca4fa3a | 348 | } |
bbdacdfe | 349 | |
1ca4fa3a HS |
350 | if (!init_done) { |
351 | init_done = true; | |
bbdacdfe PZ |
352 | /* init to possible to not have holes in @cpu_entries */ |
353 | cpumask_copy(sd_sysctl_cpus, cpu_possible_mask); | |
354 | } | |
355 | ||
356 | for_each_cpu(i, sd_sysctl_cpus) { | |
357 | struct ctl_table *e = cpu_idx[i]; | |
358 | ||
359 | if (e->child) | |
360 | sd_free_ctl_entry(&e->child); | |
361 | ||
362 | if (!e->procname) { | |
363 | snprintf(buf, 32, "cpu%d", i); | |
364 | e->procname = kstrdup(buf, GFP_KERNEL); | |
365 | } | |
366 | e->mode = 0555; | |
367 | e->child = sd_alloc_ctl_cpu_table(i); | |
368 | ||
369 | __cpumask_clear_cpu(i, sd_sysctl_cpus); | |
3866e845 SRRH |
370 | } |
371 | ||
372 | WARN_ON(sd_sysctl_header); | |
373 | sd_sysctl_header = register_sysctl_table(sd_ctl_root); | |
374 | } | |
375 | ||
bbdacdfe PZ |
376 | void dirty_sched_domain_sysctl(int cpu) |
377 | { | |
378 | if (cpumask_available(sd_sysctl_cpus)) | |
379 | __cpumask_set_cpu(cpu, sd_sysctl_cpus); | |
380 | } | |
381 | ||
3866e845 SRRH |
382 | /* may be called multiple times per register */ |
383 | void unregister_sched_domain_sysctl(void) | |
384 | { | |
385 | unregister_sysctl_table(sd_sysctl_header); | |
386 | sd_sysctl_header = NULL; | |
3866e845 SRRH |
387 | } |
388 | #endif /* CONFIG_SYSCTL */ | |
389 | #endif /* CONFIG_SMP */ | |
390 | ||
ff9b48c3 | 391 | #ifdef CONFIG_FAIR_GROUP_SCHED |
5091faa4 | 392 | static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group *tg) |
ff9b48c3 BR |
393 | { |
394 | struct sched_entity *se = tg->se[cpu]; | |
ff9b48c3 | 395 | |
97fb7a0a IM |
396 | #define P(F) SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)F) |
397 | #define P_SCHEDSTAT(F) SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)schedstat_val(F)) | |
398 | #define PN(F) SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F)) | |
399 | #define PN_SCHEDSTAT(F) SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(F))) | |
ff9b48c3 | 400 | |
cd126afe | 401 | if (!se) |
18bf2805 | 402 | return; |
18bf2805 | 403 | |
ff9b48c3 BR |
404 | PN(se->exec_start); |
405 | PN(se->vruntime); | |
406 | PN(se->sum_exec_runtime); | |
97fb7a0a | 407 | |
cb251765 | 408 | if (schedstat_enabled()) { |
4fa8d299 JP |
409 | PN_SCHEDSTAT(se->statistics.wait_start); |
410 | PN_SCHEDSTAT(se->statistics.sleep_start); | |
411 | PN_SCHEDSTAT(se->statistics.block_start); | |
412 | PN_SCHEDSTAT(se->statistics.sleep_max); | |
413 | PN_SCHEDSTAT(se->statistics.block_max); | |
414 | PN_SCHEDSTAT(se->statistics.exec_max); | |
415 | PN_SCHEDSTAT(se->statistics.slice_max); | |
416 | PN_SCHEDSTAT(se->statistics.wait_max); | |
417 | PN_SCHEDSTAT(se->statistics.wait_sum); | |
418 | P_SCHEDSTAT(se->statistics.wait_count); | |
cb251765 | 419 | } |
97fb7a0a | 420 | |
ff9b48c3 | 421 | P(se->load.weight); |
1ea6c46a | 422 | P(se->runnable_weight); |
9d85f21c | 423 | #ifdef CONFIG_SMP |
9d89c257 YD |
424 | P(se->avg.load_avg); |
425 | P(se->avg.util_avg); | |
1ea6c46a | 426 | P(se->avg.runnable_load_avg); |
9d85f21c | 427 | #endif |
4fa8d299 JP |
428 | |
429 | #undef PN_SCHEDSTAT | |
ff9b48c3 | 430 | #undef PN |
4fa8d299 | 431 | #undef P_SCHEDSTAT |
ff9b48c3 BR |
432 | #undef P |
433 | } | |
434 | #endif | |
435 | ||
efe25c2c BR |
436 | #ifdef CONFIG_CGROUP_SCHED |
437 | static char group_path[PATH_MAX]; | |
438 | ||
439 | static char *task_group_path(struct task_group *tg) | |
440 | { | |
8ecedd7a BR |
441 | if (autogroup_path(tg, group_path, PATH_MAX)) |
442 | return group_path; | |
443 | ||
4c737b41 | 444 | cgroup_path(tg->css.cgroup, group_path, PATH_MAX); |
97fb7a0a | 445 | |
4c737b41 | 446 | return group_path; |
efe25c2c BR |
447 | } |
448 | #endif | |
449 | ||
43ae34cb | 450 | static void |
a48da48b | 451 | print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) |
43ae34cb | 452 | { |
20435d84 | 453 | if (rq->curr == p) |
e8c16495 | 454 | SEQ_printf(m, ">R"); |
20435d84 XX |
455 | else |
456 | SEQ_printf(m, " %c", task_state_to_char(p)); | |
43ae34cb | 457 | |
ef83a571 | 458 | SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ", |
fc840914 | 459 | p->comm, task_pid_nr(p), |
ef83a571 | 460 | SPLIT_NS(p->se.vruntime), |
43ae34cb | 461 | (long long)(p->nvcsw + p->nivcsw), |
6f605d83 | 462 | p->prio); |
9c572591 | 463 | |
33d6176e | 464 | SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld", |
20e1d486 | 465 | SPLIT_NS(schedstat_val_or_zero(p->se.statistics.wait_sum)), |
33d6176e | 466 | SPLIT_NS(p->se.sum_exec_runtime), |
20e1d486 | 467 | SPLIT_NS(schedstat_val_or_zero(p->se.statistics.sum_sleep_runtime))); |
9c572591 | 468 | |
b32e86b4 | 469 | #ifdef CONFIG_NUMA_BALANCING |
e3d24d0a | 470 | SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p)); |
b32e86b4 | 471 | #endif |
efe25c2c BR |
472 | #ifdef CONFIG_CGROUP_SCHED |
473 | SEQ_printf(m, " %s", task_group_path(task_group(p))); | |
474 | #endif | |
d19ca308 | 475 | |
d19ca308 | 476 | SEQ_printf(m, "\n"); |
43ae34cb IM |
477 | } |
478 | ||
a48da48b | 479 | static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu) |
43ae34cb IM |
480 | { |
481 | struct task_struct *g, *p; | |
482 | ||
e9ca2670 JL |
483 | SEQ_printf(m, "\n"); |
484 | SEQ_printf(m, "runnable tasks:\n"); | |
485 | SEQ_printf(m, " S task PID tree-key switches prio" | |
486 | " wait-time sum-exec sum-sleep\n"); | |
487 | SEQ_printf(m, "-------------------------------------------------------" | |
488 | "----------------------------------------------------\n"); | |
43ae34cb | 489 | |
5bd96ab6 | 490 | rcu_read_lock(); |
d38e83c7 | 491 | for_each_process_thread(g, p) { |
b32e86b4 | 492 | if (task_cpu(p) != rq_cpu) |
43ae34cb IM |
493 | continue; |
494 | ||
a48da48b | 495 | print_task(m, rq, p); |
d38e83c7 | 496 | } |
5bd96ab6 | 497 | rcu_read_unlock(); |
43ae34cb IM |
498 | } |
499 | ||
5cef9eca | 500 | void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) |
43ae34cb | 501 | { |
86d9560c IM |
502 | s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1, |
503 | spread, rq0_min_vruntime, spread0; | |
348ec61e | 504 | struct rq *rq = cpu_rq(cpu); |
67e12eac IM |
505 | struct sched_entity *last; |
506 | unsigned long flags; | |
507 | ||
efe25c2c | 508 | #ifdef CONFIG_FAIR_GROUP_SCHED |
e9ca2670 JL |
509 | SEQ_printf(m, "\n"); |
510 | SEQ_printf(m, "cfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg)); | |
efe25c2c | 511 | #else |
e9ca2670 JL |
512 | SEQ_printf(m, "\n"); |
513 | SEQ_printf(m, "cfs_rq[%d]:\n", cpu); | |
efe25c2c | 514 | #endif |
ef83a571 IM |
515 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock", |
516 | SPLIT_NS(cfs_rq->exec_clock)); | |
67e12eac | 517 | |
05fa785c | 518 | raw_spin_lock_irqsave(&rq->lock, flags); |
bfb06889 | 519 | if (rb_first_cached(&cfs_rq->tasks_timeline)) |
ac53db59 | 520 | MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime; |
67e12eac IM |
521 | last = __pick_last_entity(cfs_rq); |
522 | if (last) | |
523 | max_vruntime = last->vruntime; | |
5ac5c4d6 | 524 | min_vruntime = cfs_rq->min_vruntime; |
348ec61e | 525 | rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime; |
05fa785c | 526 | raw_spin_unlock_irqrestore(&rq->lock, flags); |
ef83a571 IM |
527 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "MIN_vruntime", |
528 | SPLIT_NS(MIN_vruntime)); | |
529 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "min_vruntime", | |
530 | SPLIT_NS(min_vruntime)); | |
531 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "max_vruntime", | |
532 | SPLIT_NS(max_vruntime)); | |
67e12eac | 533 | spread = max_vruntime - MIN_vruntime; |
ef83a571 IM |
534 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread", |
535 | SPLIT_NS(spread)); | |
86d9560c | 536 | spread0 = min_vruntime - rq0_min_vruntime; |
ef83a571 IM |
537 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread0", |
538 | SPLIT_NS(spread0)); | |
5ac5c4d6 | 539 | SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over", |
ddc97297 | 540 | cfs_rq->nr_spread_over); |
c82513e5 | 541 | SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running); |
2069dd75 | 542 | SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); |
c09595f6 | 543 | #ifdef CONFIG_SMP |
1ea6c46a | 544 | SEQ_printf(m, " .%-30s: %ld\n", "runnable_weight", cfs_rq->runnable_weight); |
9d89c257 YD |
545 | SEQ_printf(m, " .%-30s: %lu\n", "load_avg", |
546 | cfs_rq->avg.load_avg); | |
13962234 | 547 | SEQ_printf(m, " .%-30s: %lu\n", "runnable_load_avg", |
1ea6c46a | 548 | cfs_rq->avg.runnable_load_avg); |
9d89c257 YD |
549 | SEQ_printf(m, " .%-30s: %lu\n", "util_avg", |
550 | cfs_rq->avg.util_avg); | |
7f65ea42 PB |
551 | SEQ_printf(m, " .%-30s: %u\n", "util_est_enqueued", |
552 | cfs_rq->avg.util_est.enqueued); | |
2a2f5d4e PZ |
553 | SEQ_printf(m, " .%-30s: %ld\n", "removed.load_avg", |
554 | cfs_rq->removed.load_avg); | |
555 | SEQ_printf(m, " .%-30s: %ld\n", "removed.util_avg", | |
556 | cfs_rq->removed.util_avg); | |
0e2d2aaa PZ |
557 | SEQ_printf(m, " .%-30s: %ld\n", "removed.runnable_sum", |
558 | cfs_rq->removed.runnable_sum); | |
333bb864 | 559 | #ifdef CONFIG_FAIR_GROUP_SCHED |
9d89c257 YD |
560 | SEQ_printf(m, " .%-30s: %lu\n", "tg_load_avg_contrib", |
561 | cfs_rq->tg_load_avg_contrib); | |
333bb864 AS |
562 | SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg", |
563 | atomic_long_read(&cfs_rq->tg->load_avg)); | |
c09595f6 | 564 | #endif |
333bb864 | 565 | #endif |
f9f9ffc2 | 566 | #ifdef CONFIG_CFS_BANDWIDTH |
f9f9ffc2 BS |
567 | SEQ_printf(m, " .%-30s: %d\n", "throttled", |
568 | cfs_rq->throttled); | |
569 | SEQ_printf(m, " .%-30s: %d\n", "throttle_count", | |
570 | cfs_rq->throttle_count); | |
571 | #endif | |
2069dd75 | 572 | |
333bb864 | 573 | #ifdef CONFIG_FAIR_GROUP_SCHED |
ff9b48c3 | 574 | print_cfs_group_stats(m, cpu, cfs_rq->tg); |
c09595f6 | 575 | #endif |
43ae34cb IM |
576 | } |
577 | ||
ada18de2 PZ |
578 | void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq) |
579 | { | |
efe25c2c | 580 | #ifdef CONFIG_RT_GROUP_SCHED |
e9ca2670 JL |
581 | SEQ_printf(m, "\n"); |
582 | SEQ_printf(m, "rt_rq[%d]:%s\n", cpu, task_group_path(rt_rq->tg)); | |
efe25c2c | 583 | #else |
e9ca2670 JL |
584 | SEQ_printf(m, "\n"); |
585 | SEQ_printf(m, "rt_rq[%d]:\n", cpu); | |
efe25c2c | 586 | #endif |
ada18de2 PZ |
587 | |
588 | #define P(x) \ | |
589 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rt_rq->x)) | |
48365b38 DBO |
590 | #define PU(x) \ |
591 | SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(rt_rq->x)) | |
ada18de2 PZ |
592 | #define PN(x) \ |
593 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x)) | |
594 | ||
48365b38 DBO |
595 | PU(rt_nr_running); |
596 | #ifdef CONFIG_SMP | |
597 | PU(rt_nr_migratory); | |
598 | #endif | |
ada18de2 PZ |
599 | P(rt_throttled); |
600 | PN(rt_time); | |
601 | PN(rt_runtime); | |
602 | ||
603 | #undef PN | |
48365b38 | 604 | #undef PU |
ada18de2 PZ |
605 | #undef P |
606 | } | |
607 | ||
acb32132 WL |
608 | void print_dl_rq(struct seq_file *m, int cpu, struct dl_rq *dl_rq) |
609 | { | |
ef477183 SRRH |
610 | struct dl_bw *dl_bw; |
611 | ||
e9ca2670 JL |
612 | SEQ_printf(m, "\n"); |
613 | SEQ_printf(m, "dl_rq[%d]:\n", cpu); | |
48365b38 DBO |
614 | |
615 | #define PU(x) \ | |
616 | SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(dl_rq->x)) | |
617 | ||
618 | PU(dl_nr_running); | |
ef477183 | 619 | #ifdef CONFIG_SMP |
48365b38 | 620 | PU(dl_nr_migratory); |
ef477183 SRRH |
621 | dl_bw = &cpu_rq(cpu)->rd->dl_bw; |
622 | #else | |
623 | dl_bw = &dl_rq->dl_bw; | |
624 | #endif | |
625 | SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->bw", dl_bw->bw); | |
626 | SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->total_bw", dl_bw->total_bw); | |
48365b38 DBO |
627 | |
628 | #undef PU | |
acb32132 WL |
629 | } |
630 | ||
a48da48b | 631 | static void print_cpu(struct seq_file *m, int cpu) |
43ae34cb | 632 | { |
348ec61e | 633 | struct rq *rq = cpu_rq(cpu); |
efe25c2c | 634 | unsigned long flags; |
43ae34cb IM |
635 | |
636 | #ifdef CONFIG_X86 | |
637 | { | |
638 | unsigned int freq = cpu_khz ? : 1; | |
639 | ||
bbbfeac9 | 640 | SEQ_printf(m, "cpu#%d, %u.%03u MHz\n", |
43ae34cb IM |
641 | cpu, freq / 1000, (freq % 1000)); |
642 | } | |
643 | #else | |
bbbfeac9 | 644 | SEQ_printf(m, "cpu#%d\n", cpu); |
43ae34cb IM |
645 | #endif |
646 | ||
13e099d2 PZ |
647 | #define P(x) \ |
648 | do { \ | |
649 | if (sizeof(rq->x) == 4) \ | |
650 | SEQ_printf(m, " .%-30s: %ld\n", #x, (long)(rq->x)); \ | |
651 | else \ | |
652 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rq->x));\ | |
653 | } while (0) | |
654 | ||
ef83a571 IM |
655 | #define PN(x) \ |
656 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) | |
43ae34cb IM |
657 | |
658 | P(nr_running); | |
659 | SEQ_printf(m, " .%-30s: %lu\n", "load", | |
495eca49 | 660 | rq->load.weight); |
43ae34cb IM |
661 | P(nr_switches); |
662 | P(nr_load_updates); | |
663 | P(nr_uninterruptible); | |
ef83a571 | 664 | PN(next_balance); |
fc840914 | 665 | SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr))); |
ef83a571 | 666 | PN(clock); |
5a537597 | 667 | PN(clock_task); |
43ae34cb IM |
668 | P(cpu_load[0]); |
669 | P(cpu_load[1]); | |
670 | P(cpu_load[2]); | |
671 | P(cpu_load[3]); | |
672 | P(cpu_load[4]); | |
673 | #undef P | |
ef83a571 | 674 | #undef PN |
43ae34cb | 675 | |
1b9508f6 | 676 | #ifdef CONFIG_SMP |
db6ea2fb | 677 | #define P64(n) SEQ_printf(m, " .%-30s: %Ld\n", #n, rq->n); |
1b9508f6 | 678 | P64(avg_idle); |
37e6bae8 | 679 | P64(max_idle_balance_cost); |
db6ea2fb | 680 | #undef P64 |
1b9508f6 | 681 | #endif |
5ac5c4d6 | 682 | |
4fa8d299 | 683 | #define P(n) SEQ_printf(m, " .%-30s: %d\n", #n, schedstat_val(rq->n)); |
cb251765 MG |
684 | if (schedstat_enabled()) { |
685 | P(yld_count); | |
686 | P(sched_count); | |
687 | P(sched_goidle); | |
688 | P(ttwu_count); | |
689 | P(ttwu_local); | |
690 | } | |
5ac5c4d6 | 691 | #undef P |
4fa8d299 | 692 | |
efe25c2c | 693 | spin_lock_irqsave(&sched_debug_lock, flags); |
5cef9eca | 694 | print_cfs_stats(m, cpu); |
ada18de2 | 695 | print_rt_stats(m, cpu); |
acb32132 | 696 | print_dl_stats(m, cpu); |
43ae34cb | 697 | |
a48da48b | 698 | print_rq(m, rq, cpu); |
efe25c2c | 699 | spin_unlock_irqrestore(&sched_debug_lock, flags); |
bbbfeac9 | 700 | SEQ_printf(m, "\n"); |
43ae34cb IM |
701 | } |
702 | ||
1983a922 CE |
703 | static const char *sched_tunable_scaling_names[] = { |
704 | "none", | |
ad2e379d | 705 | "logarithmic", |
1983a922 CE |
706 | "linear" |
707 | }; | |
708 | ||
bbbfeac9 | 709 | static void sched_debug_header(struct seq_file *m) |
43ae34cb | 710 | { |
5bb6b1ea PZ |
711 | u64 ktime, sched_clk, cpu_clk; |
712 | unsigned long flags; | |
43ae34cb | 713 | |
5bb6b1ea PZ |
714 | local_irq_save(flags); |
715 | ktime = ktime_to_ns(ktime_get()); | |
716 | sched_clk = sched_clock(); | |
717 | cpu_clk = local_clock(); | |
718 | local_irq_restore(flags); | |
719 | ||
b32e86b4 | 720 | SEQ_printf(m, "Sched Debug Version: v0.11, %s %.*s\n", |
43ae34cb IM |
721 | init_utsname()->release, |
722 | (int)strcspn(init_utsname()->version, " "), | |
723 | init_utsname()->version); | |
724 | ||
5bb6b1ea PZ |
725 | #define P(x) \ |
726 | SEQ_printf(m, "%-40s: %Ld\n", #x, (long long)(x)) | |
727 | #define PN(x) \ | |
728 | SEQ_printf(m, "%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) | |
729 | PN(ktime); | |
730 | PN(sched_clk); | |
731 | PN(cpu_clk); | |
732 | P(jiffies); | |
733 | #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK | |
35af99e6 | 734 | P(sched_clock_stable()); |
5bb6b1ea PZ |
735 | #endif |
736 | #undef PN | |
737 | #undef P | |
738 | ||
739 | SEQ_printf(m, "\n"); | |
740 | SEQ_printf(m, "sysctl_sched\n"); | |
43ae34cb | 741 | |
1aa4731e | 742 | #define P(x) \ |
d822cece | 743 | SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x)) |
1aa4731e | 744 | #define PN(x) \ |
d822cece | 745 | SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) |
1aa4731e | 746 | PN(sysctl_sched_latency); |
b2be5e96 | 747 | PN(sysctl_sched_min_granularity); |
1aa4731e | 748 | PN(sysctl_sched_wakeup_granularity); |
eebef746 | 749 | P(sysctl_sched_child_runs_first); |
1aa4731e IM |
750 | P(sysctl_sched_features); |
751 | #undef PN | |
752 | #undef P | |
753 | ||
bbbfeac9 NZ |
754 | SEQ_printf(m, " .%-40s: %d (%s)\n", |
755 | "sysctl_sched_tunable_scaling", | |
1983a922 CE |
756 | sysctl_sched_tunable_scaling, |
757 | sched_tunable_scaling_names[sysctl_sched_tunable_scaling]); | |
bbbfeac9 NZ |
758 | SEQ_printf(m, "\n"); |
759 | } | |
1983a922 | 760 | |
bbbfeac9 NZ |
761 | static int sched_debug_show(struct seq_file *m, void *v) |
762 | { | |
763 | int cpu = (unsigned long)(v - 2); | |
43ae34cb | 764 | |
bbbfeac9 NZ |
765 | if (cpu != -1) |
766 | print_cpu(m, cpu); | |
767 | else | |
768 | sched_debug_header(m); | |
43ae34cb IM |
769 | |
770 | return 0; | |
771 | } | |
772 | ||
029632fb | 773 | void sysrq_sched_debug_show(void) |
43ae34cb | 774 | { |
bbbfeac9 NZ |
775 | int cpu; |
776 | ||
777 | sched_debug_header(NULL); | |
778 | for_each_online_cpu(cpu) | |
779 | print_cpu(NULL, cpu); | |
780 | ||
781 | } | |
782 | ||
783 | /* | |
784 | * This itererator needs some explanation. | |
785 | * It returns 1 for the header position. | |
97fb7a0a IM |
786 | * This means 2 is CPU 0. |
787 | * In a hotplugged system some CPUs, including CPU 0, may be missing so we have | |
788 | * to use cpumask_* to iterate over the CPUs. | |
bbbfeac9 NZ |
789 | */ |
790 | static void *sched_debug_start(struct seq_file *file, loff_t *offset) | |
791 | { | |
792 | unsigned long n = *offset; | |
793 | ||
794 | if (n == 0) | |
795 | return (void *) 1; | |
796 | ||
797 | n--; | |
798 | ||
799 | if (n > 0) | |
800 | n = cpumask_next(n - 1, cpu_online_mask); | |
801 | else | |
802 | n = cpumask_first(cpu_online_mask); | |
803 | ||
804 | *offset = n + 1; | |
805 | ||
806 | if (n < nr_cpu_ids) | |
807 | return (void *)(unsigned long)(n + 2); | |
97fb7a0a | 808 | |
bbbfeac9 NZ |
809 | return NULL; |
810 | } | |
811 | ||
812 | static void *sched_debug_next(struct seq_file *file, void *data, loff_t *offset) | |
813 | { | |
814 | (*offset)++; | |
815 | return sched_debug_start(file, offset); | |
816 | } | |
817 | ||
818 | static void sched_debug_stop(struct seq_file *file, void *data) | |
819 | { | |
820 | } | |
821 | ||
822 | static const struct seq_operations sched_debug_sops = { | |
97fb7a0a IM |
823 | .start = sched_debug_start, |
824 | .next = sched_debug_next, | |
825 | .stop = sched_debug_stop, | |
826 | .show = sched_debug_show, | |
bbbfeac9 NZ |
827 | }; |
828 | ||
43ae34cb IM |
829 | static int __init init_sched_debug_procfs(void) |
830 | { | |
fddda2b7 | 831 | if (!proc_create_seq("sched_debug", 0444, NULL, &sched_debug_sops)) |
43ae34cb | 832 | return -ENOMEM; |
43ae34cb IM |
833 | return 0; |
834 | } | |
835 | ||
836 | __initcall(init_sched_debug_procfs); | |
837 | ||
97fb7a0a IM |
838 | #define __P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) |
839 | #define P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) | |
840 | #define __PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) | |
841 | #define PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) | |
b32e86b4 IM |
842 | |
843 | ||
397f2378 SD |
844 | #ifdef CONFIG_NUMA_BALANCING |
845 | void print_numa_stats(struct seq_file *m, int node, unsigned long tsf, | |
846 | unsigned long tpf, unsigned long gsf, unsigned long gpf) | |
847 | { | |
848 | SEQ_printf(m, "numa_faults node=%d ", node); | |
67d9f6c2 SD |
849 | SEQ_printf(m, "task_private=%lu task_shared=%lu ", tpf, tsf); |
850 | SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gpf, gsf); | |
397f2378 SD |
851 | } |
852 | #endif | |
853 | ||
854 | ||
b32e86b4 IM |
855 | static void sched_show_numa(struct task_struct *p, struct seq_file *m) |
856 | { | |
857 | #ifdef CONFIG_NUMA_BALANCING | |
858 | struct mempolicy *pol; | |
b32e86b4 IM |
859 | |
860 | if (p->mm) | |
861 | P(mm->numa_scan_seq); | |
862 | ||
863 | task_lock(p); | |
864 | pol = p->mempolicy; | |
865 | if (pol && !(pol->flags & MPOL_F_MORON)) | |
866 | pol = NULL; | |
867 | mpol_get(pol); | |
868 | task_unlock(p); | |
869 | ||
397f2378 SD |
870 | P(numa_pages_migrated); |
871 | P(numa_preferred_nid); | |
872 | P(total_numa_faults); | |
873 | SEQ_printf(m, "current_node=%d, numa_group_id=%d\n", | |
874 | task_node(p), task_numa_group_id(p)); | |
875 | show_numa_stats(p, m); | |
b32e86b4 IM |
876 | mpol_put(pol); |
877 | #endif | |
878 | } | |
879 | ||
74dc3384 AS |
880 | void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, |
881 | struct seq_file *m) | |
43ae34cb | 882 | { |
cc367732 | 883 | unsigned long nr_switches; |
43ae34cb | 884 | |
74dc3384 | 885 | SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr_ns(p, ns), |
5089a976 | 886 | get_nr_threads(p)); |
2d92f227 | 887 | SEQ_printf(m, |
add332a1 KB |
888 | "---------------------------------------------------------" |
889 | "----------\n"); | |
cc367732 | 890 | #define __P(F) \ |
add332a1 | 891 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) |
43ae34cb | 892 | #define P(F) \ |
add332a1 | 893 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) |
4fa8d299 JP |
894 | #define P_SCHEDSTAT(F) \ |
895 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F)) | |
cc367732 | 896 | #define __PN(F) \ |
add332a1 | 897 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) |
ef83a571 | 898 | #define PN(F) \ |
add332a1 | 899 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) |
4fa8d299 JP |
900 | #define PN_SCHEDSTAT(F) \ |
901 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F))) | |
43ae34cb | 902 | |
ef83a571 IM |
903 | PN(se.exec_start); |
904 | PN(se.vruntime); | |
905 | PN(se.sum_exec_runtime); | |
6cfb0d5d | 906 | |
cc367732 IM |
907 | nr_switches = p->nvcsw + p->nivcsw; |
908 | ||
cc367732 | 909 | P(se.nr_migrations); |
cc367732 | 910 | |
cb251765 | 911 | if (schedstat_enabled()) { |
cc367732 IM |
912 | u64 avg_atom, avg_per_cpu; |
913 | ||
4fa8d299 JP |
914 | PN_SCHEDSTAT(se.statistics.sum_sleep_runtime); |
915 | PN_SCHEDSTAT(se.statistics.wait_start); | |
916 | PN_SCHEDSTAT(se.statistics.sleep_start); | |
917 | PN_SCHEDSTAT(se.statistics.block_start); | |
918 | PN_SCHEDSTAT(se.statistics.sleep_max); | |
919 | PN_SCHEDSTAT(se.statistics.block_max); | |
920 | PN_SCHEDSTAT(se.statistics.exec_max); | |
921 | PN_SCHEDSTAT(se.statistics.slice_max); | |
922 | PN_SCHEDSTAT(se.statistics.wait_max); | |
923 | PN_SCHEDSTAT(se.statistics.wait_sum); | |
924 | P_SCHEDSTAT(se.statistics.wait_count); | |
925 | PN_SCHEDSTAT(se.statistics.iowait_sum); | |
926 | P_SCHEDSTAT(se.statistics.iowait_count); | |
927 | P_SCHEDSTAT(se.statistics.nr_migrations_cold); | |
928 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_affine); | |
929 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_running); | |
930 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_hot); | |
931 | P_SCHEDSTAT(se.statistics.nr_forced_migrations); | |
932 | P_SCHEDSTAT(se.statistics.nr_wakeups); | |
933 | P_SCHEDSTAT(se.statistics.nr_wakeups_sync); | |
934 | P_SCHEDSTAT(se.statistics.nr_wakeups_migrate); | |
935 | P_SCHEDSTAT(se.statistics.nr_wakeups_local); | |
936 | P_SCHEDSTAT(se.statistics.nr_wakeups_remote); | |
937 | P_SCHEDSTAT(se.statistics.nr_wakeups_affine); | |
938 | P_SCHEDSTAT(se.statistics.nr_wakeups_affine_attempts); | |
939 | P_SCHEDSTAT(se.statistics.nr_wakeups_passive); | |
940 | P_SCHEDSTAT(se.statistics.nr_wakeups_idle); | |
cb251765 | 941 | |
cc367732 IM |
942 | avg_atom = p->se.sum_exec_runtime; |
943 | if (nr_switches) | |
b0ab99e7 | 944 | avg_atom = div64_ul(avg_atom, nr_switches); |
cc367732 IM |
945 | else |
946 | avg_atom = -1LL; | |
947 | ||
948 | avg_per_cpu = p->se.sum_exec_runtime; | |
c1a89740 | 949 | if (p->se.nr_migrations) { |
6f6d6a1a RZ |
950 | avg_per_cpu = div64_u64(avg_per_cpu, |
951 | p->se.nr_migrations); | |
c1a89740 | 952 | } else { |
cc367732 | 953 | avg_per_cpu = -1LL; |
c1a89740 | 954 | } |
cc367732 IM |
955 | |
956 | __PN(avg_atom); | |
957 | __PN(avg_per_cpu); | |
958 | } | |
4fa8d299 | 959 | |
cc367732 | 960 | __P(nr_switches); |
add332a1 | 961 | SEQ_printf(m, "%-45s:%21Ld\n", |
cc367732 | 962 | "nr_voluntary_switches", (long long)p->nvcsw); |
add332a1 | 963 | SEQ_printf(m, "%-45s:%21Ld\n", |
cc367732 IM |
964 | "nr_involuntary_switches", (long long)p->nivcsw); |
965 | ||
43ae34cb | 966 | P(se.load.weight); |
1ea6c46a | 967 | P(se.runnable_weight); |
333bb864 | 968 | #ifdef CONFIG_SMP |
9d89c257 | 969 | P(se.avg.load_sum); |
1ea6c46a | 970 | P(se.avg.runnable_load_sum); |
9d89c257 YD |
971 | P(se.avg.util_sum); |
972 | P(se.avg.load_avg); | |
1ea6c46a | 973 | P(se.avg.runnable_load_avg); |
9d89c257 YD |
974 | P(se.avg.util_avg); |
975 | P(se.avg.last_update_time); | |
7f65ea42 PB |
976 | P(se.avg.util_est.ewma); |
977 | P(se.avg.util_est.enqueued); | |
939fd731 | 978 | #endif |
43ae34cb IM |
979 | P(policy); |
980 | P(prio); | |
1da1843f | 981 | if (task_has_dl_policy(p)) { |
59f8c298 TC |
982 | P(dl.runtime); |
983 | P(dl.deadline); | |
984 | } | |
4fa8d299 | 985 | #undef PN_SCHEDSTAT |
ef83a571 | 986 | #undef PN |
cc367732 | 987 | #undef __PN |
4fa8d299 | 988 | #undef P_SCHEDSTAT |
cc367732 IM |
989 | #undef P |
990 | #undef __P | |
43ae34cb IM |
991 | |
992 | { | |
29d7b90c | 993 | unsigned int this_cpu = raw_smp_processor_id(); |
43ae34cb IM |
994 | u64 t0, t1; |
995 | ||
29d7b90c IM |
996 | t0 = cpu_clock(this_cpu); |
997 | t1 = cpu_clock(this_cpu); | |
add332a1 | 998 | SEQ_printf(m, "%-45s:%21Ld\n", |
43ae34cb IM |
999 | "clock-delta", (long long)(t1-t0)); |
1000 | } | |
b32e86b4 IM |
1001 | |
1002 | sched_show_numa(p, m); | |
43ae34cb IM |
1003 | } |
1004 | ||
1005 | void proc_sched_set_task(struct task_struct *p) | |
1006 | { | |
6cfb0d5d | 1007 | #ifdef CONFIG_SCHEDSTATS |
41acab88 | 1008 | memset(&p->se.statistics, 0, sizeof(p->se.statistics)); |
6cfb0d5d | 1009 | #endif |
43ae34cb | 1010 | } |