Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
43ae34cb | 2 | /* |
391e43da | 3 | * kernel/sched/debug.c |
43ae34cb | 4 | * |
325ea10c | 5 | * Print the CFS rbtree and other debugging details |
43ae34cb IM |
6 | * |
7 | * Copyright(C) 2007, Red Hat, Inc., Ingo Molnar | |
43ae34cb | 8 | */ |
029632fb PZ |
9 | #include "sched.h" |
10 | ||
efe25c2c BR |
11 | static DEFINE_SPINLOCK(sched_debug_lock); |
12 | ||
43ae34cb IM |
13 | /* |
14 | * This allows printing both to /proc/sched_debug and | |
15 | * to the console | |
16 | */ | |
17 | #define SEQ_printf(m, x...) \ | |
18 | do { \ | |
19 | if (m) \ | |
20 | seq_printf(m, x); \ | |
21 | else \ | |
a8c024cd | 22 | pr_cont(x); \ |
43ae34cb IM |
23 | } while (0) |
24 | ||
ef83a571 IM |
25 | /* |
26 | * Ease the printing of nsec fields: | |
27 | */ | |
90b2628f | 28 | static long long nsec_high(unsigned long long nsec) |
ef83a571 | 29 | { |
90b2628f | 30 | if ((long long)nsec < 0) { |
ef83a571 IM |
31 | nsec = -nsec; |
32 | do_div(nsec, 1000000); | |
33 | return -nsec; | |
34 | } | |
35 | do_div(nsec, 1000000); | |
36 | ||
37 | return nsec; | |
38 | } | |
39 | ||
90b2628f | 40 | static unsigned long nsec_low(unsigned long long nsec) |
ef83a571 | 41 | { |
90b2628f | 42 | if ((long long)nsec < 0) |
ef83a571 IM |
43 | nsec = -nsec; |
44 | ||
45 | return do_div(nsec, 1000000); | |
46 | } | |
47 | ||
48 | #define SPLIT_NS(x) nsec_high(x), nsec_low(x) | |
49 | ||
d6ca41d7 SRRH |
50 | #define SCHED_FEAT(name, enabled) \ |
51 | #name , | |
52 | ||
53 | static const char * const sched_feat_names[] = { | |
54 | #include "features.h" | |
55 | }; | |
56 | ||
57 | #undef SCHED_FEAT | |
58 | ||
59 | static int sched_feat_show(struct seq_file *m, void *v) | |
60 | { | |
61 | int i; | |
62 | ||
63 | for (i = 0; i < __SCHED_FEAT_NR; i++) { | |
64 | if (!(sysctl_sched_features & (1UL << i))) | |
65 | seq_puts(m, "NO_"); | |
66 | seq_printf(m, "%s ", sched_feat_names[i]); | |
67 | } | |
68 | seq_puts(m, "\n"); | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
e9666d10 | 73 | #ifdef CONFIG_JUMP_LABEL |
d6ca41d7 SRRH |
74 | |
75 | #define jump_label_key__true STATIC_KEY_INIT_TRUE | |
76 | #define jump_label_key__false STATIC_KEY_INIT_FALSE | |
77 | ||
78 | #define SCHED_FEAT(name, enabled) \ | |
79 | jump_label_key__##enabled , | |
80 | ||
81 | struct static_key sched_feat_keys[__SCHED_FEAT_NR] = { | |
82 | #include "features.h" | |
83 | }; | |
84 | ||
85 | #undef SCHED_FEAT | |
86 | ||
87 | static void sched_feat_disable(int i) | |
88 | { | |
e73e8197 | 89 | static_key_disable_cpuslocked(&sched_feat_keys[i]); |
d6ca41d7 SRRH |
90 | } |
91 | ||
92 | static void sched_feat_enable(int i) | |
93 | { | |
e73e8197 | 94 | static_key_enable_cpuslocked(&sched_feat_keys[i]); |
d6ca41d7 SRRH |
95 | } |
96 | #else | |
97 | static void sched_feat_disable(int i) { }; | |
98 | static void sched_feat_enable(int i) { }; | |
e9666d10 | 99 | #endif /* CONFIG_JUMP_LABEL */ |
d6ca41d7 SRRH |
100 | |
101 | static int sched_feat_set(char *cmp) | |
102 | { | |
103 | int i; | |
104 | int neg = 0; | |
105 | ||
106 | if (strncmp(cmp, "NO_", 3) == 0) { | |
107 | neg = 1; | |
108 | cmp += 3; | |
109 | } | |
110 | ||
8f894bf4 YX |
111 | i = match_string(sched_feat_names, __SCHED_FEAT_NR, cmp); |
112 | if (i < 0) | |
113 | return i; | |
114 | ||
115 | if (neg) { | |
116 | sysctl_sched_features &= ~(1UL << i); | |
117 | sched_feat_disable(i); | |
118 | } else { | |
119 | sysctl_sched_features |= (1UL << i); | |
120 | sched_feat_enable(i); | |
d6ca41d7 SRRH |
121 | } |
122 | ||
8f894bf4 | 123 | return 0; |
d6ca41d7 SRRH |
124 | } |
125 | ||
126 | static ssize_t | |
127 | sched_feat_write(struct file *filp, const char __user *ubuf, | |
128 | size_t cnt, loff_t *ppos) | |
129 | { | |
130 | char buf[64]; | |
131 | char *cmp; | |
8f894bf4 | 132 | int ret; |
d6ca41d7 SRRH |
133 | struct inode *inode; |
134 | ||
135 | if (cnt > 63) | |
136 | cnt = 63; | |
137 | ||
138 | if (copy_from_user(&buf, ubuf, cnt)) | |
139 | return -EFAULT; | |
140 | ||
141 | buf[cnt] = 0; | |
142 | cmp = strstrip(buf); | |
143 | ||
144 | /* Ensure the static_key remains in a consistent state */ | |
145 | inode = file_inode(filp); | |
e73e8197 | 146 | cpus_read_lock(); |
d6ca41d7 | 147 | inode_lock(inode); |
8f894bf4 | 148 | ret = sched_feat_set(cmp); |
d6ca41d7 | 149 | inode_unlock(inode); |
e73e8197 | 150 | cpus_read_unlock(); |
8f894bf4 YX |
151 | if (ret < 0) |
152 | return ret; | |
d6ca41d7 SRRH |
153 | |
154 | *ppos += cnt; | |
155 | ||
156 | return cnt; | |
157 | } | |
158 | ||
159 | static int sched_feat_open(struct inode *inode, struct file *filp) | |
160 | { | |
161 | return single_open(filp, sched_feat_show, NULL); | |
162 | } | |
163 | ||
164 | static const struct file_operations sched_feat_fops = { | |
165 | .open = sched_feat_open, | |
166 | .write = sched_feat_write, | |
167 | .read = seq_read, | |
168 | .llseek = seq_lseek, | |
169 | .release = single_release, | |
170 | }; | |
171 | ||
9469eb01 PZ |
172 | __read_mostly bool sched_debug_enabled; |
173 | ||
d6ca41d7 SRRH |
174 | static __init int sched_init_debug(void) |
175 | { | |
176 | debugfs_create_file("sched_features", 0644, NULL, NULL, | |
177 | &sched_feat_fops); | |
178 | ||
9469eb01 PZ |
179 | debugfs_create_bool("sched_debug", 0644, NULL, |
180 | &sched_debug_enabled); | |
181 | ||
d6ca41d7 SRRH |
182 | return 0; |
183 | } | |
184 | late_initcall(sched_init_debug); | |
185 | ||
3866e845 SRRH |
186 | #ifdef CONFIG_SMP |
187 | ||
188 | #ifdef CONFIG_SYSCTL | |
189 | ||
190 | static struct ctl_table sd_ctl_dir[] = { | |
191 | { | |
192 | .procname = "sched_domain", | |
193 | .mode = 0555, | |
194 | }, | |
195 | {} | |
196 | }; | |
197 | ||
198 | static struct ctl_table sd_ctl_root[] = { | |
199 | { | |
200 | .procname = "kernel", | |
201 | .mode = 0555, | |
202 | .child = sd_ctl_dir, | |
203 | }, | |
204 | {} | |
205 | }; | |
206 | ||
207 | static struct ctl_table *sd_alloc_ctl_entry(int n) | |
208 | { | |
209 | struct ctl_table *entry = | |
210 | kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL); | |
211 | ||
212 | return entry; | |
213 | } | |
214 | ||
215 | static void sd_free_ctl_entry(struct ctl_table **tablep) | |
216 | { | |
217 | struct ctl_table *entry; | |
218 | ||
219 | /* | |
220 | * In the intermediate directories, both the child directory and | |
221 | * procname are dynamically allocated and could fail but the mode | |
222 | * will always be set. In the lowest directory the names are | |
223 | * static strings and all have proc handlers. | |
224 | */ | |
225 | for (entry = *tablep; entry->mode; entry++) { | |
226 | if (entry->child) | |
227 | sd_free_ctl_entry(&entry->child); | |
228 | if (entry->proc_handler == NULL) | |
229 | kfree(entry->procname); | |
230 | } | |
231 | ||
232 | kfree(*tablep); | |
233 | *tablep = NULL; | |
234 | } | |
235 | ||
3866e845 SRRH |
236 | static void |
237 | set_table_entry(struct ctl_table *entry, | |
238 | const char *procname, void *data, int maxlen, | |
3d8d5355 | 239 | umode_t mode, proc_handler *proc_handler) |
3866e845 SRRH |
240 | { |
241 | entry->procname = procname; | |
242 | entry->data = data; | |
243 | entry->maxlen = maxlen; | |
244 | entry->mode = mode; | |
245 | entry->proc_handler = proc_handler; | |
3866e845 SRRH |
246 | } |
247 | ||
248 | static struct ctl_table * | |
249 | sd_alloc_ctl_domain_table(struct sched_domain *sd) | |
250 | { | |
0e1fef63 | 251 | struct ctl_table *table = sd_alloc_ctl_entry(9); |
3866e845 SRRH |
252 | |
253 | if (table == NULL) | |
254 | return NULL; | |
255 | ||
0e1fef63 DE |
256 | set_table_entry(&table[0], "min_interval", &sd->min_interval, sizeof(long), 0644, proc_doulongvec_minmax); |
257 | set_table_entry(&table[1], "max_interval", &sd->max_interval, sizeof(long), 0644, proc_doulongvec_minmax); | |
258 | set_table_entry(&table[2], "busy_factor", &sd->busy_factor, sizeof(int), 0644, proc_dointvec_minmax); | |
259 | set_table_entry(&table[3], "imbalance_pct", &sd->imbalance_pct, sizeof(int), 0644, proc_dointvec_minmax); | |
260 | set_table_entry(&table[4], "cache_nice_tries", &sd->cache_nice_tries, sizeof(int), 0644, proc_dointvec_minmax); | |
261 | set_table_entry(&table[5], "flags", &sd->flags, sizeof(int), 0644, proc_dointvec_minmax); | |
262 | set_table_entry(&table[6], "max_newidle_lb_cost", &sd->max_newidle_lb_cost, sizeof(long), 0644, proc_doulongvec_minmax); | |
263 | set_table_entry(&table[7], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring); | |
264 | /* &table[8] is terminator */ | |
3866e845 SRRH |
265 | |
266 | return table; | |
267 | } | |
268 | ||
269 | static struct ctl_table *sd_alloc_ctl_cpu_table(int cpu) | |
270 | { | |
271 | struct ctl_table *entry, *table; | |
272 | struct sched_domain *sd; | |
273 | int domain_num = 0, i; | |
274 | char buf[32]; | |
275 | ||
276 | for_each_domain(cpu, sd) | |
277 | domain_num++; | |
278 | entry = table = sd_alloc_ctl_entry(domain_num + 1); | |
279 | if (table == NULL) | |
280 | return NULL; | |
281 | ||
282 | i = 0; | |
283 | for_each_domain(cpu, sd) { | |
284 | snprintf(buf, 32, "domain%d", i); | |
285 | entry->procname = kstrdup(buf, GFP_KERNEL); | |
286 | entry->mode = 0555; | |
287 | entry->child = sd_alloc_ctl_domain_table(sd); | |
288 | entry++; | |
289 | i++; | |
290 | } | |
291 | return table; | |
292 | } | |
293 | ||
97fb7a0a IM |
294 | static cpumask_var_t sd_sysctl_cpus; |
295 | static struct ctl_table_header *sd_sysctl_header; | |
bbdacdfe | 296 | |
3866e845 SRRH |
297 | void register_sched_domain_sysctl(void) |
298 | { | |
bbdacdfe PZ |
299 | static struct ctl_table *cpu_entries; |
300 | static struct ctl_table **cpu_idx; | |
1ca4fa3a | 301 | static bool init_done = false; |
3866e845 | 302 | char buf[32]; |
bbdacdfe | 303 | int i; |
3866e845 | 304 | |
bbdacdfe PZ |
305 | if (!cpu_entries) { |
306 | cpu_entries = sd_alloc_ctl_entry(num_possible_cpus() + 1); | |
307 | if (!cpu_entries) | |
308 | return; | |
3866e845 | 309 | |
bbdacdfe PZ |
310 | WARN_ON(sd_ctl_dir[0].child); |
311 | sd_ctl_dir[0].child = cpu_entries; | |
312 | } | |
3866e845 | 313 | |
bbdacdfe PZ |
314 | if (!cpu_idx) { |
315 | struct ctl_table *e = cpu_entries; | |
316 | ||
317 | cpu_idx = kcalloc(nr_cpu_ids, sizeof(struct ctl_table*), GFP_KERNEL); | |
318 | if (!cpu_idx) | |
319 | return; | |
320 | ||
321 | /* deal with sparse possible map */ | |
322 | for_each_possible_cpu(i) { | |
323 | cpu_idx[i] = e; | |
324 | e++; | |
325 | } | |
326 | } | |
327 | ||
328 | if (!cpumask_available(sd_sysctl_cpus)) { | |
329 | if (!alloc_cpumask_var(&sd_sysctl_cpus, GFP_KERNEL)) | |
330 | return; | |
1ca4fa3a | 331 | } |
bbdacdfe | 332 | |
1ca4fa3a HS |
333 | if (!init_done) { |
334 | init_done = true; | |
bbdacdfe PZ |
335 | /* init to possible to not have holes in @cpu_entries */ |
336 | cpumask_copy(sd_sysctl_cpus, cpu_possible_mask); | |
337 | } | |
338 | ||
339 | for_each_cpu(i, sd_sysctl_cpus) { | |
340 | struct ctl_table *e = cpu_idx[i]; | |
341 | ||
342 | if (e->child) | |
343 | sd_free_ctl_entry(&e->child); | |
344 | ||
345 | if (!e->procname) { | |
346 | snprintf(buf, 32, "cpu%d", i); | |
347 | e->procname = kstrdup(buf, GFP_KERNEL); | |
348 | } | |
349 | e->mode = 0555; | |
350 | e->child = sd_alloc_ctl_cpu_table(i); | |
351 | ||
352 | __cpumask_clear_cpu(i, sd_sysctl_cpus); | |
3866e845 SRRH |
353 | } |
354 | ||
355 | WARN_ON(sd_sysctl_header); | |
356 | sd_sysctl_header = register_sysctl_table(sd_ctl_root); | |
357 | } | |
358 | ||
bbdacdfe PZ |
359 | void dirty_sched_domain_sysctl(int cpu) |
360 | { | |
361 | if (cpumask_available(sd_sysctl_cpus)) | |
362 | __cpumask_set_cpu(cpu, sd_sysctl_cpus); | |
363 | } | |
364 | ||
3866e845 SRRH |
365 | /* may be called multiple times per register */ |
366 | void unregister_sched_domain_sysctl(void) | |
367 | { | |
368 | unregister_sysctl_table(sd_sysctl_header); | |
369 | sd_sysctl_header = NULL; | |
3866e845 SRRH |
370 | } |
371 | #endif /* CONFIG_SYSCTL */ | |
372 | #endif /* CONFIG_SMP */ | |
373 | ||
ff9b48c3 | 374 | #ifdef CONFIG_FAIR_GROUP_SCHED |
5091faa4 | 375 | static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group *tg) |
ff9b48c3 BR |
376 | { |
377 | struct sched_entity *se = tg->se[cpu]; | |
ff9b48c3 | 378 | |
97fb7a0a IM |
379 | #define P(F) SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)F) |
380 | #define P_SCHEDSTAT(F) SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)schedstat_val(F)) | |
381 | #define PN(F) SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F)) | |
382 | #define PN_SCHEDSTAT(F) SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(F))) | |
ff9b48c3 | 383 | |
cd126afe | 384 | if (!se) |
18bf2805 | 385 | return; |
18bf2805 | 386 | |
ff9b48c3 BR |
387 | PN(se->exec_start); |
388 | PN(se->vruntime); | |
389 | PN(se->sum_exec_runtime); | |
97fb7a0a | 390 | |
cb251765 | 391 | if (schedstat_enabled()) { |
4fa8d299 JP |
392 | PN_SCHEDSTAT(se->statistics.wait_start); |
393 | PN_SCHEDSTAT(se->statistics.sleep_start); | |
394 | PN_SCHEDSTAT(se->statistics.block_start); | |
395 | PN_SCHEDSTAT(se->statistics.sleep_max); | |
396 | PN_SCHEDSTAT(se->statistics.block_max); | |
397 | PN_SCHEDSTAT(se->statistics.exec_max); | |
398 | PN_SCHEDSTAT(se->statistics.slice_max); | |
399 | PN_SCHEDSTAT(se->statistics.wait_max); | |
400 | PN_SCHEDSTAT(se->statistics.wait_sum); | |
401 | P_SCHEDSTAT(se->statistics.wait_count); | |
cb251765 | 402 | } |
97fb7a0a | 403 | |
ff9b48c3 | 404 | P(se->load.weight); |
1ea6c46a | 405 | P(se->runnable_weight); |
9d85f21c | 406 | #ifdef CONFIG_SMP |
9d89c257 YD |
407 | P(se->avg.load_avg); |
408 | P(se->avg.util_avg); | |
1ea6c46a | 409 | P(se->avg.runnable_load_avg); |
9d85f21c | 410 | #endif |
4fa8d299 JP |
411 | |
412 | #undef PN_SCHEDSTAT | |
ff9b48c3 | 413 | #undef PN |
4fa8d299 | 414 | #undef P_SCHEDSTAT |
ff9b48c3 BR |
415 | #undef P |
416 | } | |
417 | #endif | |
418 | ||
efe25c2c BR |
419 | #ifdef CONFIG_CGROUP_SCHED |
420 | static char group_path[PATH_MAX]; | |
421 | ||
422 | static char *task_group_path(struct task_group *tg) | |
423 | { | |
8ecedd7a BR |
424 | if (autogroup_path(tg, group_path, PATH_MAX)) |
425 | return group_path; | |
426 | ||
4c737b41 | 427 | cgroup_path(tg->css.cgroup, group_path, PATH_MAX); |
97fb7a0a | 428 | |
4c737b41 | 429 | return group_path; |
efe25c2c BR |
430 | } |
431 | #endif | |
432 | ||
43ae34cb | 433 | static void |
a48da48b | 434 | print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) |
43ae34cb | 435 | { |
20435d84 | 436 | if (rq->curr == p) |
e8c16495 | 437 | SEQ_printf(m, ">R"); |
20435d84 XX |
438 | else |
439 | SEQ_printf(m, " %c", task_state_to_char(p)); | |
43ae34cb | 440 | |
ef83a571 | 441 | SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ", |
fc840914 | 442 | p->comm, task_pid_nr(p), |
ef83a571 | 443 | SPLIT_NS(p->se.vruntime), |
43ae34cb | 444 | (long long)(p->nvcsw + p->nivcsw), |
6f605d83 | 445 | p->prio); |
9c572591 | 446 | |
33d6176e | 447 | SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld", |
20e1d486 | 448 | SPLIT_NS(schedstat_val_or_zero(p->se.statistics.wait_sum)), |
33d6176e | 449 | SPLIT_NS(p->se.sum_exec_runtime), |
20e1d486 | 450 | SPLIT_NS(schedstat_val_or_zero(p->se.statistics.sum_sleep_runtime))); |
9c572591 | 451 | |
b32e86b4 | 452 | #ifdef CONFIG_NUMA_BALANCING |
e3d24d0a | 453 | SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p)); |
b32e86b4 | 454 | #endif |
efe25c2c BR |
455 | #ifdef CONFIG_CGROUP_SCHED |
456 | SEQ_printf(m, " %s", task_group_path(task_group(p))); | |
457 | #endif | |
d19ca308 | 458 | |
d19ca308 | 459 | SEQ_printf(m, "\n"); |
43ae34cb IM |
460 | } |
461 | ||
a48da48b | 462 | static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu) |
43ae34cb IM |
463 | { |
464 | struct task_struct *g, *p; | |
465 | ||
e9ca2670 JL |
466 | SEQ_printf(m, "\n"); |
467 | SEQ_printf(m, "runnable tasks:\n"); | |
468 | SEQ_printf(m, " S task PID tree-key switches prio" | |
469 | " wait-time sum-exec sum-sleep\n"); | |
470 | SEQ_printf(m, "-------------------------------------------------------" | |
471 | "----------------------------------------------------\n"); | |
43ae34cb | 472 | |
5bd96ab6 | 473 | rcu_read_lock(); |
d38e83c7 | 474 | for_each_process_thread(g, p) { |
b32e86b4 | 475 | if (task_cpu(p) != rq_cpu) |
43ae34cb IM |
476 | continue; |
477 | ||
a48da48b | 478 | print_task(m, rq, p); |
d38e83c7 | 479 | } |
5bd96ab6 | 480 | rcu_read_unlock(); |
43ae34cb IM |
481 | } |
482 | ||
5cef9eca | 483 | void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) |
43ae34cb | 484 | { |
86d9560c IM |
485 | s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1, |
486 | spread, rq0_min_vruntime, spread0; | |
348ec61e | 487 | struct rq *rq = cpu_rq(cpu); |
67e12eac IM |
488 | struct sched_entity *last; |
489 | unsigned long flags; | |
490 | ||
efe25c2c | 491 | #ifdef CONFIG_FAIR_GROUP_SCHED |
e9ca2670 JL |
492 | SEQ_printf(m, "\n"); |
493 | SEQ_printf(m, "cfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg)); | |
efe25c2c | 494 | #else |
e9ca2670 JL |
495 | SEQ_printf(m, "\n"); |
496 | SEQ_printf(m, "cfs_rq[%d]:\n", cpu); | |
efe25c2c | 497 | #endif |
ef83a571 IM |
498 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock", |
499 | SPLIT_NS(cfs_rq->exec_clock)); | |
67e12eac | 500 | |
05fa785c | 501 | raw_spin_lock_irqsave(&rq->lock, flags); |
bfb06889 | 502 | if (rb_first_cached(&cfs_rq->tasks_timeline)) |
ac53db59 | 503 | MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime; |
67e12eac IM |
504 | last = __pick_last_entity(cfs_rq); |
505 | if (last) | |
506 | max_vruntime = last->vruntime; | |
5ac5c4d6 | 507 | min_vruntime = cfs_rq->min_vruntime; |
348ec61e | 508 | rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime; |
05fa785c | 509 | raw_spin_unlock_irqrestore(&rq->lock, flags); |
ef83a571 IM |
510 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "MIN_vruntime", |
511 | SPLIT_NS(MIN_vruntime)); | |
512 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "min_vruntime", | |
513 | SPLIT_NS(min_vruntime)); | |
514 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "max_vruntime", | |
515 | SPLIT_NS(max_vruntime)); | |
67e12eac | 516 | spread = max_vruntime - MIN_vruntime; |
ef83a571 IM |
517 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread", |
518 | SPLIT_NS(spread)); | |
86d9560c | 519 | spread0 = min_vruntime - rq0_min_vruntime; |
ef83a571 IM |
520 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread0", |
521 | SPLIT_NS(spread0)); | |
5ac5c4d6 | 522 | SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over", |
ddc97297 | 523 | cfs_rq->nr_spread_over); |
c82513e5 | 524 | SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running); |
2069dd75 | 525 | SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); |
c09595f6 | 526 | #ifdef CONFIG_SMP |
1ea6c46a | 527 | SEQ_printf(m, " .%-30s: %ld\n", "runnable_weight", cfs_rq->runnable_weight); |
9d89c257 YD |
528 | SEQ_printf(m, " .%-30s: %lu\n", "load_avg", |
529 | cfs_rq->avg.load_avg); | |
13962234 | 530 | SEQ_printf(m, " .%-30s: %lu\n", "runnable_load_avg", |
1ea6c46a | 531 | cfs_rq->avg.runnable_load_avg); |
9d89c257 YD |
532 | SEQ_printf(m, " .%-30s: %lu\n", "util_avg", |
533 | cfs_rq->avg.util_avg); | |
7f65ea42 PB |
534 | SEQ_printf(m, " .%-30s: %u\n", "util_est_enqueued", |
535 | cfs_rq->avg.util_est.enqueued); | |
2a2f5d4e PZ |
536 | SEQ_printf(m, " .%-30s: %ld\n", "removed.load_avg", |
537 | cfs_rq->removed.load_avg); | |
538 | SEQ_printf(m, " .%-30s: %ld\n", "removed.util_avg", | |
539 | cfs_rq->removed.util_avg); | |
0e2d2aaa PZ |
540 | SEQ_printf(m, " .%-30s: %ld\n", "removed.runnable_sum", |
541 | cfs_rq->removed.runnable_sum); | |
333bb864 | 542 | #ifdef CONFIG_FAIR_GROUP_SCHED |
9d89c257 YD |
543 | SEQ_printf(m, " .%-30s: %lu\n", "tg_load_avg_contrib", |
544 | cfs_rq->tg_load_avg_contrib); | |
333bb864 AS |
545 | SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg", |
546 | atomic_long_read(&cfs_rq->tg->load_avg)); | |
c09595f6 | 547 | #endif |
333bb864 | 548 | #endif |
f9f9ffc2 | 549 | #ifdef CONFIG_CFS_BANDWIDTH |
f9f9ffc2 BS |
550 | SEQ_printf(m, " .%-30s: %d\n", "throttled", |
551 | cfs_rq->throttled); | |
552 | SEQ_printf(m, " .%-30s: %d\n", "throttle_count", | |
553 | cfs_rq->throttle_count); | |
554 | #endif | |
2069dd75 | 555 | |
333bb864 | 556 | #ifdef CONFIG_FAIR_GROUP_SCHED |
ff9b48c3 | 557 | print_cfs_group_stats(m, cpu, cfs_rq->tg); |
c09595f6 | 558 | #endif |
43ae34cb IM |
559 | } |
560 | ||
ada18de2 PZ |
561 | void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq) |
562 | { | |
efe25c2c | 563 | #ifdef CONFIG_RT_GROUP_SCHED |
e9ca2670 JL |
564 | SEQ_printf(m, "\n"); |
565 | SEQ_printf(m, "rt_rq[%d]:%s\n", cpu, task_group_path(rt_rq->tg)); | |
efe25c2c | 566 | #else |
e9ca2670 JL |
567 | SEQ_printf(m, "\n"); |
568 | SEQ_printf(m, "rt_rq[%d]:\n", cpu); | |
efe25c2c | 569 | #endif |
ada18de2 PZ |
570 | |
571 | #define P(x) \ | |
572 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rt_rq->x)) | |
48365b38 DBO |
573 | #define PU(x) \ |
574 | SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(rt_rq->x)) | |
ada18de2 PZ |
575 | #define PN(x) \ |
576 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x)) | |
577 | ||
48365b38 DBO |
578 | PU(rt_nr_running); |
579 | #ifdef CONFIG_SMP | |
580 | PU(rt_nr_migratory); | |
581 | #endif | |
ada18de2 PZ |
582 | P(rt_throttled); |
583 | PN(rt_time); | |
584 | PN(rt_runtime); | |
585 | ||
586 | #undef PN | |
48365b38 | 587 | #undef PU |
ada18de2 PZ |
588 | #undef P |
589 | } | |
590 | ||
acb32132 WL |
591 | void print_dl_rq(struct seq_file *m, int cpu, struct dl_rq *dl_rq) |
592 | { | |
ef477183 SRRH |
593 | struct dl_bw *dl_bw; |
594 | ||
e9ca2670 JL |
595 | SEQ_printf(m, "\n"); |
596 | SEQ_printf(m, "dl_rq[%d]:\n", cpu); | |
48365b38 DBO |
597 | |
598 | #define PU(x) \ | |
599 | SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(dl_rq->x)) | |
600 | ||
601 | PU(dl_nr_running); | |
ef477183 | 602 | #ifdef CONFIG_SMP |
48365b38 | 603 | PU(dl_nr_migratory); |
ef477183 SRRH |
604 | dl_bw = &cpu_rq(cpu)->rd->dl_bw; |
605 | #else | |
606 | dl_bw = &dl_rq->dl_bw; | |
607 | #endif | |
608 | SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->bw", dl_bw->bw); | |
609 | SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->total_bw", dl_bw->total_bw); | |
48365b38 DBO |
610 | |
611 | #undef PU | |
acb32132 WL |
612 | } |
613 | ||
a48da48b | 614 | static void print_cpu(struct seq_file *m, int cpu) |
43ae34cb | 615 | { |
348ec61e | 616 | struct rq *rq = cpu_rq(cpu); |
efe25c2c | 617 | unsigned long flags; |
43ae34cb IM |
618 | |
619 | #ifdef CONFIG_X86 | |
620 | { | |
621 | unsigned int freq = cpu_khz ? : 1; | |
622 | ||
bbbfeac9 | 623 | SEQ_printf(m, "cpu#%d, %u.%03u MHz\n", |
43ae34cb IM |
624 | cpu, freq / 1000, (freq % 1000)); |
625 | } | |
626 | #else | |
bbbfeac9 | 627 | SEQ_printf(m, "cpu#%d\n", cpu); |
43ae34cb IM |
628 | #endif |
629 | ||
13e099d2 PZ |
630 | #define P(x) \ |
631 | do { \ | |
632 | if (sizeof(rq->x) == 4) \ | |
633 | SEQ_printf(m, " .%-30s: %ld\n", #x, (long)(rq->x)); \ | |
634 | else \ | |
635 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rq->x));\ | |
636 | } while (0) | |
637 | ||
ef83a571 IM |
638 | #define PN(x) \ |
639 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) | |
43ae34cb IM |
640 | |
641 | P(nr_running); | |
43ae34cb IM |
642 | P(nr_switches); |
643 | P(nr_load_updates); | |
644 | P(nr_uninterruptible); | |
ef83a571 | 645 | PN(next_balance); |
fc840914 | 646 | SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr))); |
ef83a571 | 647 | PN(clock); |
5a537597 | 648 | PN(clock_task); |
43ae34cb | 649 | #undef P |
ef83a571 | 650 | #undef PN |
43ae34cb | 651 | |
1b9508f6 | 652 | #ifdef CONFIG_SMP |
db6ea2fb | 653 | #define P64(n) SEQ_printf(m, " .%-30s: %Ld\n", #n, rq->n); |
1b9508f6 | 654 | P64(avg_idle); |
37e6bae8 | 655 | P64(max_idle_balance_cost); |
db6ea2fb | 656 | #undef P64 |
1b9508f6 | 657 | #endif |
5ac5c4d6 | 658 | |
4fa8d299 | 659 | #define P(n) SEQ_printf(m, " .%-30s: %d\n", #n, schedstat_val(rq->n)); |
cb251765 MG |
660 | if (schedstat_enabled()) { |
661 | P(yld_count); | |
662 | P(sched_count); | |
663 | P(sched_goidle); | |
664 | P(ttwu_count); | |
665 | P(ttwu_local); | |
666 | } | |
5ac5c4d6 | 667 | #undef P |
4fa8d299 | 668 | |
efe25c2c | 669 | spin_lock_irqsave(&sched_debug_lock, flags); |
5cef9eca | 670 | print_cfs_stats(m, cpu); |
ada18de2 | 671 | print_rt_stats(m, cpu); |
acb32132 | 672 | print_dl_stats(m, cpu); |
43ae34cb | 673 | |
a48da48b | 674 | print_rq(m, rq, cpu); |
efe25c2c | 675 | spin_unlock_irqrestore(&sched_debug_lock, flags); |
bbbfeac9 | 676 | SEQ_printf(m, "\n"); |
43ae34cb IM |
677 | } |
678 | ||
1983a922 CE |
679 | static const char *sched_tunable_scaling_names[] = { |
680 | "none", | |
ad2e379d | 681 | "logarithmic", |
1983a922 CE |
682 | "linear" |
683 | }; | |
684 | ||
bbbfeac9 | 685 | static void sched_debug_header(struct seq_file *m) |
43ae34cb | 686 | { |
5bb6b1ea PZ |
687 | u64 ktime, sched_clk, cpu_clk; |
688 | unsigned long flags; | |
43ae34cb | 689 | |
5bb6b1ea PZ |
690 | local_irq_save(flags); |
691 | ktime = ktime_to_ns(ktime_get()); | |
692 | sched_clk = sched_clock(); | |
693 | cpu_clk = local_clock(); | |
694 | local_irq_restore(flags); | |
695 | ||
b32e86b4 | 696 | SEQ_printf(m, "Sched Debug Version: v0.11, %s %.*s\n", |
43ae34cb IM |
697 | init_utsname()->release, |
698 | (int)strcspn(init_utsname()->version, " "), | |
699 | init_utsname()->version); | |
700 | ||
5bb6b1ea PZ |
701 | #define P(x) \ |
702 | SEQ_printf(m, "%-40s: %Ld\n", #x, (long long)(x)) | |
703 | #define PN(x) \ | |
704 | SEQ_printf(m, "%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) | |
705 | PN(ktime); | |
706 | PN(sched_clk); | |
707 | PN(cpu_clk); | |
708 | P(jiffies); | |
709 | #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK | |
35af99e6 | 710 | P(sched_clock_stable()); |
5bb6b1ea PZ |
711 | #endif |
712 | #undef PN | |
713 | #undef P | |
714 | ||
715 | SEQ_printf(m, "\n"); | |
716 | SEQ_printf(m, "sysctl_sched\n"); | |
43ae34cb | 717 | |
1aa4731e | 718 | #define P(x) \ |
d822cece | 719 | SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x)) |
1aa4731e | 720 | #define PN(x) \ |
d822cece | 721 | SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) |
1aa4731e | 722 | PN(sysctl_sched_latency); |
b2be5e96 | 723 | PN(sysctl_sched_min_granularity); |
1aa4731e | 724 | PN(sysctl_sched_wakeup_granularity); |
eebef746 | 725 | P(sysctl_sched_child_runs_first); |
1aa4731e IM |
726 | P(sysctl_sched_features); |
727 | #undef PN | |
728 | #undef P | |
729 | ||
bbbfeac9 NZ |
730 | SEQ_printf(m, " .%-40s: %d (%s)\n", |
731 | "sysctl_sched_tunable_scaling", | |
1983a922 CE |
732 | sysctl_sched_tunable_scaling, |
733 | sched_tunable_scaling_names[sysctl_sched_tunable_scaling]); | |
bbbfeac9 NZ |
734 | SEQ_printf(m, "\n"); |
735 | } | |
1983a922 | 736 | |
bbbfeac9 NZ |
737 | static int sched_debug_show(struct seq_file *m, void *v) |
738 | { | |
739 | int cpu = (unsigned long)(v - 2); | |
43ae34cb | 740 | |
bbbfeac9 NZ |
741 | if (cpu != -1) |
742 | print_cpu(m, cpu); | |
743 | else | |
744 | sched_debug_header(m); | |
43ae34cb IM |
745 | |
746 | return 0; | |
747 | } | |
748 | ||
029632fb | 749 | void sysrq_sched_debug_show(void) |
43ae34cb | 750 | { |
bbbfeac9 NZ |
751 | int cpu; |
752 | ||
753 | sched_debug_header(NULL); | |
754 | for_each_online_cpu(cpu) | |
755 | print_cpu(NULL, cpu); | |
756 | ||
757 | } | |
758 | ||
759 | /* | |
760 | * This itererator needs some explanation. | |
761 | * It returns 1 for the header position. | |
97fb7a0a IM |
762 | * This means 2 is CPU 0. |
763 | * In a hotplugged system some CPUs, including CPU 0, may be missing so we have | |
764 | * to use cpumask_* to iterate over the CPUs. | |
bbbfeac9 NZ |
765 | */ |
766 | static void *sched_debug_start(struct seq_file *file, loff_t *offset) | |
767 | { | |
768 | unsigned long n = *offset; | |
769 | ||
770 | if (n == 0) | |
771 | return (void *) 1; | |
772 | ||
773 | n--; | |
774 | ||
775 | if (n > 0) | |
776 | n = cpumask_next(n - 1, cpu_online_mask); | |
777 | else | |
778 | n = cpumask_first(cpu_online_mask); | |
779 | ||
780 | *offset = n + 1; | |
781 | ||
782 | if (n < nr_cpu_ids) | |
783 | return (void *)(unsigned long)(n + 2); | |
97fb7a0a | 784 | |
bbbfeac9 NZ |
785 | return NULL; |
786 | } | |
787 | ||
788 | static void *sched_debug_next(struct seq_file *file, void *data, loff_t *offset) | |
789 | { | |
790 | (*offset)++; | |
791 | return sched_debug_start(file, offset); | |
792 | } | |
793 | ||
794 | static void sched_debug_stop(struct seq_file *file, void *data) | |
795 | { | |
796 | } | |
797 | ||
798 | static const struct seq_operations sched_debug_sops = { | |
97fb7a0a IM |
799 | .start = sched_debug_start, |
800 | .next = sched_debug_next, | |
801 | .stop = sched_debug_stop, | |
802 | .show = sched_debug_show, | |
bbbfeac9 NZ |
803 | }; |
804 | ||
43ae34cb IM |
805 | static int __init init_sched_debug_procfs(void) |
806 | { | |
fddda2b7 | 807 | if (!proc_create_seq("sched_debug", 0444, NULL, &sched_debug_sops)) |
43ae34cb | 808 | return -ENOMEM; |
43ae34cb IM |
809 | return 0; |
810 | } | |
811 | ||
812 | __initcall(init_sched_debug_procfs); | |
813 | ||
97fb7a0a IM |
814 | #define __P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) |
815 | #define P(F) SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) | |
816 | #define __PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) | |
817 | #define PN(F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) | |
b32e86b4 IM |
818 | |
819 | ||
397f2378 SD |
820 | #ifdef CONFIG_NUMA_BALANCING |
821 | void print_numa_stats(struct seq_file *m, int node, unsigned long tsf, | |
822 | unsigned long tpf, unsigned long gsf, unsigned long gpf) | |
823 | { | |
824 | SEQ_printf(m, "numa_faults node=%d ", node); | |
67d9f6c2 SD |
825 | SEQ_printf(m, "task_private=%lu task_shared=%lu ", tpf, tsf); |
826 | SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gpf, gsf); | |
397f2378 SD |
827 | } |
828 | #endif | |
829 | ||
830 | ||
b32e86b4 IM |
831 | static void sched_show_numa(struct task_struct *p, struct seq_file *m) |
832 | { | |
833 | #ifdef CONFIG_NUMA_BALANCING | |
834 | struct mempolicy *pol; | |
b32e86b4 IM |
835 | |
836 | if (p->mm) | |
837 | P(mm->numa_scan_seq); | |
838 | ||
839 | task_lock(p); | |
840 | pol = p->mempolicy; | |
841 | if (pol && !(pol->flags & MPOL_F_MORON)) | |
842 | pol = NULL; | |
843 | mpol_get(pol); | |
844 | task_unlock(p); | |
845 | ||
397f2378 SD |
846 | P(numa_pages_migrated); |
847 | P(numa_preferred_nid); | |
848 | P(total_numa_faults); | |
849 | SEQ_printf(m, "current_node=%d, numa_group_id=%d\n", | |
850 | task_node(p), task_numa_group_id(p)); | |
851 | show_numa_stats(p, m); | |
b32e86b4 IM |
852 | mpol_put(pol); |
853 | #endif | |
854 | } | |
855 | ||
74dc3384 AS |
856 | void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, |
857 | struct seq_file *m) | |
43ae34cb | 858 | { |
cc367732 | 859 | unsigned long nr_switches; |
43ae34cb | 860 | |
74dc3384 | 861 | SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr_ns(p, ns), |
5089a976 | 862 | get_nr_threads(p)); |
2d92f227 | 863 | SEQ_printf(m, |
add332a1 KB |
864 | "---------------------------------------------------------" |
865 | "----------\n"); | |
cc367732 | 866 | #define __P(F) \ |
add332a1 | 867 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) |
43ae34cb | 868 | #define P(F) \ |
add332a1 | 869 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) |
4fa8d299 JP |
870 | #define P_SCHEDSTAT(F) \ |
871 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F)) | |
cc367732 | 872 | #define __PN(F) \ |
add332a1 | 873 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) |
ef83a571 | 874 | #define PN(F) \ |
add332a1 | 875 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) |
4fa8d299 JP |
876 | #define PN_SCHEDSTAT(F) \ |
877 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F))) | |
43ae34cb | 878 | |
ef83a571 IM |
879 | PN(se.exec_start); |
880 | PN(se.vruntime); | |
881 | PN(se.sum_exec_runtime); | |
6cfb0d5d | 882 | |
cc367732 IM |
883 | nr_switches = p->nvcsw + p->nivcsw; |
884 | ||
cc367732 | 885 | P(se.nr_migrations); |
cc367732 | 886 | |
cb251765 | 887 | if (schedstat_enabled()) { |
cc367732 IM |
888 | u64 avg_atom, avg_per_cpu; |
889 | ||
4fa8d299 JP |
890 | PN_SCHEDSTAT(se.statistics.sum_sleep_runtime); |
891 | PN_SCHEDSTAT(se.statistics.wait_start); | |
892 | PN_SCHEDSTAT(se.statistics.sleep_start); | |
893 | PN_SCHEDSTAT(se.statistics.block_start); | |
894 | PN_SCHEDSTAT(se.statistics.sleep_max); | |
895 | PN_SCHEDSTAT(se.statistics.block_max); | |
896 | PN_SCHEDSTAT(se.statistics.exec_max); | |
897 | PN_SCHEDSTAT(se.statistics.slice_max); | |
898 | PN_SCHEDSTAT(se.statistics.wait_max); | |
899 | PN_SCHEDSTAT(se.statistics.wait_sum); | |
900 | P_SCHEDSTAT(se.statistics.wait_count); | |
901 | PN_SCHEDSTAT(se.statistics.iowait_sum); | |
902 | P_SCHEDSTAT(se.statistics.iowait_count); | |
903 | P_SCHEDSTAT(se.statistics.nr_migrations_cold); | |
904 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_affine); | |
905 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_running); | |
906 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_hot); | |
907 | P_SCHEDSTAT(se.statistics.nr_forced_migrations); | |
908 | P_SCHEDSTAT(se.statistics.nr_wakeups); | |
909 | P_SCHEDSTAT(se.statistics.nr_wakeups_sync); | |
910 | P_SCHEDSTAT(se.statistics.nr_wakeups_migrate); | |
911 | P_SCHEDSTAT(se.statistics.nr_wakeups_local); | |
912 | P_SCHEDSTAT(se.statistics.nr_wakeups_remote); | |
913 | P_SCHEDSTAT(se.statistics.nr_wakeups_affine); | |
914 | P_SCHEDSTAT(se.statistics.nr_wakeups_affine_attempts); | |
915 | P_SCHEDSTAT(se.statistics.nr_wakeups_passive); | |
916 | P_SCHEDSTAT(se.statistics.nr_wakeups_idle); | |
cb251765 | 917 | |
cc367732 IM |
918 | avg_atom = p->se.sum_exec_runtime; |
919 | if (nr_switches) | |
b0ab99e7 | 920 | avg_atom = div64_ul(avg_atom, nr_switches); |
cc367732 IM |
921 | else |
922 | avg_atom = -1LL; | |
923 | ||
924 | avg_per_cpu = p->se.sum_exec_runtime; | |
c1a89740 | 925 | if (p->se.nr_migrations) { |
6f6d6a1a RZ |
926 | avg_per_cpu = div64_u64(avg_per_cpu, |
927 | p->se.nr_migrations); | |
c1a89740 | 928 | } else { |
cc367732 | 929 | avg_per_cpu = -1LL; |
c1a89740 | 930 | } |
cc367732 IM |
931 | |
932 | __PN(avg_atom); | |
933 | __PN(avg_per_cpu); | |
934 | } | |
4fa8d299 | 935 | |
cc367732 | 936 | __P(nr_switches); |
add332a1 | 937 | SEQ_printf(m, "%-45s:%21Ld\n", |
cc367732 | 938 | "nr_voluntary_switches", (long long)p->nvcsw); |
add332a1 | 939 | SEQ_printf(m, "%-45s:%21Ld\n", |
cc367732 IM |
940 | "nr_involuntary_switches", (long long)p->nivcsw); |
941 | ||
43ae34cb | 942 | P(se.load.weight); |
1ea6c46a | 943 | P(se.runnable_weight); |
333bb864 | 944 | #ifdef CONFIG_SMP |
9d89c257 | 945 | P(se.avg.load_sum); |
1ea6c46a | 946 | P(se.avg.runnable_load_sum); |
9d89c257 YD |
947 | P(se.avg.util_sum); |
948 | P(se.avg.load_avg); | |
1ea6c46a | 949 | P(se.avg.runnable_load_avg); |
9d89c257 YD |
950 | P(se.avg.util_avg); |
951 | P(se.avg.last_update_time); | |
7f65ea42 PB |
952 | P(se.avg.util_est.ewma); |
953 | P(se.avg.util_est.enqueued); | |
939fd731 | 954 | #endif |
43ae34cb IM |
955 | P(policy); |
956 | P(prio); | |
1da1843f | 957 | if (task_has_dl_policy(p)) { |
59f8c298 TC |
958 | P(dl.runtime); |
959 | P(dl.deadline); | |
960 | } | |
4fa8d299 | 961 | #undef PN_SCHEDSTAT |
ef83a571 | 962 | #undef PN |
cc367732 | 963 | #undef __PN |
4fa8d299 | 964 | #undef P_SCHEDSTAT |
cc367732 IM |
965 | #undef P |
966 | #undef __P | |
43ae34cb IM |
967 | |
968 | { | |
29d7b90c | 969 | unsigned int this_cpu = raw_smp_processor_id(); |
43ae34cb IM |
970 | u64 t0, t1; |
971 | ||
29d7b90c IM |
972 | t0 = cpu_clock(this_cpu); |
973 | t1 = cpu_clock(this_cpu); | |
add332a1 | 974 | SEQ_printf(m, "%-45s:%21Ld\n", |
43ae34cb IM |
975 | "clock-delta", (long long)(t1-t0)); |
976 | } | |
b32e86b4 IM |
977 | |
978 | sched_show_numa(p, m); | |
43ae34cb IM |
979 | } |
980 | ||
981 | void proc_sched_set_task(struct task_struct *p) | |
982 | { | |
6cfb0d5d | 983 | #ifdef CONFIG_SCHEDSTATS |
41acab88 | 984 | memset(&p->se.statistics, 0, sizeof(p->se.statistics)); |
6cfb0d5d | 985 | #endif |
43ae34cb | 986 | } |