Commit | Line | Data |
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43ae34cb IM |
1 | /* |
2 | * kernel/time/sched_debug.c | |
3 | * | |
4 | * Print the CFS rbtree | |
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 | */ | |
12 | ||
13 | #include <linux/proc_fs.h> | |
14 | #include <linux/sched.h> | |
15 | #include <linux/seq_file.h> | |
16 | #include <linux/kallsyms.h> | |
17 | #include <linux/utsname.h> | |
18 | ||
19 | /* | |
20 | * This allows printing both to /proc/sched_debug and | |
21 | * to the console | |
22 | */ | |
23 | #define SEQ_printf(m, x...) \ | |
24 | do { \ | |
25 | if (m) \ | |
26 | seq_printf(m, x); \ | |
27 | else \ | |
28 | printk(x); \ | |
29 | } while (0) | |
30 | ||
ef83a571 IM |
31 | /* |
32 | * Ease the printing of nsec fields: | |
33 | */ | |
90b2628f | 34 | static long long nsec_high(unsigned long long nsec) |
ef83a571 | 35 | { |
90b2628f | 36 | if ((long long)nsec < 0) { |
ef83a571 IM |
37 | nsec = -nsec; |
38 | do_div(nsec, 1000000); | |
39 | return -nsec; | |
40 | } | |
41 | do_div(nsec, 1000000); | |
42 | ||
43 | return nsec; | |
44 | } | |
45 | ||
90b2628f | 46 | static unsigned long nsec_low(unsigned long long nsec) |
ef83a571 | 47 | { |
90b2628f | 48 | if ((long long)nsec < 0) |
ef83a571 IM |
49 | nsec = -nsec; |
50 | ||
51 | return do_div(nsec, 1000000); | |
52 | } | |
53 | ||
54 | #define SPLIT_NS(x) nsec_high(x), nsec_low(x) | |
55 | ||
ff9b48c3 BR |
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 | ||
43ae34cb | 90 | static void |
a48da48b | 91 | print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) |
43ae34cb IM |
92 | { |
93 | if (rq->curr == p) | |
94 | SEQ_printf(m, "R"); | |
95 | else | |
96 | SEQ_printf(m, " "); | |
97 | ||
ef83a571 | 98 | SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ", |
43ae34cb | 99 | p->comm, p->pid, |
ef83a571 | 100 | SPLIT_NS(p->se.vruntime), |
43ae34cb | 101 | (long long)(p->nvcsw + p->nivcsw), |
6f605d83 | 102 | p->prio); |
6cfb0d5d | 103 | #ifdef CONFIG_SCHEDSTATS |
d19ca308 | 104 | SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld", |
ef83a571 IM |
105 | SPLIT_NS(p->se.vruntime), |
106 | SPLIT_NS(p->se.sum_exec_runtime), | |
107 | SPLIT_NS(p->se.sum_sleep_runtime)); | |
6cfb0d5d | 108 | #else |
d19ca308 | 109 | SEQ_printf(m, "%15Ld %15Ld %15Ld.%06ld %15Ld.%06ld %15Ld.%06ld", |
ef83a571 | 110 | 0LL, 0LL, 0LL, 0L, 0LL, 0L, 0LL, 0L); |
6cfb0d5d | 111 | #endif |
d19ca308 PZ |
112 | |
113 | #ifdef CONFIG_CGROUP_SCHED | |
114 | { | |
115 | char path[64]; | |
116 | ||
117 | cgroup_path(task_group(p)->css.cgroup, path, sizeof(path)); | |
118 | SEQ_printf(m, " %s", path); | |
119 | } | |
120 | #endif | |
121 | SEQ_printf(m, "\n"); | |
43ae34cb IM |
122 | } |
123 | ||
a48da48b | 124 | static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu) |
43ae34cb IM |
125 | { |
126 | struct task_struct *g, *p; | |
ab63a633 | 127 | unsigned long flags; |
43ae34cb IM |
128 | |
129 | SEQ_printf(m, | |
130 | "\nrunnable tasks:\n" | |
c86da3a3 MG |
131 | " task PID tree-key switches prio" |
132 | " exec-runtime sum-exec sum-sleep\n" | |
1a75b94f | 133 | "------------------------------------------------------" |
c86da3a3 | 134 | "----------------------------------------------------\n"); |
43ae34cb | 135 | |
ab63a633 | 136 | read_lock_irqsave(&tasklist_lock, flags); |
43ae34cb IM |
137 | |
138 | do_each_thread(g, p) { | |
139 | if (!p->se.on_rq || task_cpu(p) != rq_cpu) | |
140 | continue; | |
141 | ||
a48da48b | 142 | print_task(m, rq, p); |
43ae34cb IM |
143 | } while_each_thread(g, p); |
144 | ||
ab63a633 | 145 | read_unlock_irqrestore(&tasklist_lock, flags); |
43ae34cb IM |
146 | } |
147 | ||
805194c3 LZ |
148 | #if defined(CONFIG_CGROUP_SCHED) && \ |
149 | (defined(CONFIG_FAIR_GROUP_SCHED) || defined(CONFIG_RT_GROUP_SCHED)) | |
150 | static void task_group_path(struct task_group *tg, char *buf, int buflen) | |
151 | { | |
152 | /* may be NULL if the underlying cgroup isn't fully-created yet */ | |
153 | if (!tg->css.cgroup) { | |
154 | buf[0] = '\0'; | |
155 | return; | |
156 | } | |
157 | cgroup_path(tg->css.cgroup, buf, buflen); | |
158 | } | |
159 | #endif | |
160 | ||
5cef9eca | 161 | void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) |
43ae34cb | 162 | { |
86d9560c IM |
163 | s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1, |
164 | spread, rq0_min_vruntime, spread0; | |
348ec61e | 165 | struct rq *rq = cpu_rq(cpu); |
67e12eac IM |
166 | struct sched_entity *last; |
167 | unsigned long flags; | |
168 | ||
ada18de2 | 169 | #if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED) |
805194c3 | 170 | char path[128]; |
d19ca308 PZ |
171 | struct task_group *tg = cfs_rq->tg; |
172 | ||
805194c3 | 173 | task_group_path(tg, path, sizeof(path)); |
d19ca308 PZ |
174 | |
175 | SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, path); | |
6c415b92 AB |
176 | #elif defined(CONFIG_USER_SCHED) && defined(CONFIG_FAIR_GROUP_SCHED) |
177 | { | |
178 | uid_t uid = cfs_rq->tg->uid; | |
179 | SEQ_printf(m, "\ncfs_rq[%d] for UID: %u\n", cpu, uid); | |
180 | } | |
ada18de2 PZ |
181 | #else |
182 | SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu); | |
d19ca308 | 183 | #endif |
ef83a571 IM |
184 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock", |
185 | SPLIT_NS(cfs_rq->exec_clock)); | |
67e12eac | 186 | |
05fa785c | 187 | raw_spin_lock_irqsave(&rq->lock, flags); |
67e12eac IM |
188 | if (cfs_rq->rb_leftmost) |
189 | MIN_vruntime = (__pick_next_entity(cfs_rq))->vruntime; | |
190 | last = __pick_last_entity(cfs_rq); | |
191 | if (last) | |
192 | max_vruntime = last->vruntime; | |
5ac5c4d6 | 193 | min_vruntime = cfs_rq->min_vruntime; |
348ec61e | 194 | rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime; |
05fa785c | 195 | raw_spin_unlock_irqrestore(&rq->lock, flags); |
ef83a571 IM |
196 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "MIN_vruntime", |
197 | SPLIT_NS(MIN_vruntime)); | |
198 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "min_vruntime", | |
199 | SPLIT_NS(min_vruntime)); | |
200 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "max_vruntime", | |
201 | SPLIT_NS(max_vruntime)); | |
67e12eac | 202 | spread = max_vruntime - MIN_vruntime; |
ef83a571 IM |
203 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread", |
204 | SPLIT_NS(spread)); | |
86d9560c | 205 | spread0 = min_vruntime - rq0_min_vruntime; |
ef83a571 IM |
206 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread0", |
207 | SPLIT_NS(spread0)); | |
545f3b18 SV |
208 | SEQ_printf(m, " .%-30s: %ld\n", "nr_running", cfs_rq->nr_running); |
209 | SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); | |
32df2ee8 | 210 | |
5ac5c4d6 | 211 | SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over", |
ddc97297 | 212 | cfs_rq->nr_spread_over); |
c09595f6 PZ |
213 | #ifdef CONFIG_FAIR_GROUP_SCHED |
214 | #ifdef CONFIG_SMP | |
215 | SEQ_printf(m, " .%-30s: %lu\n", "shares", cfs_rq->shares); | |
216 | #endif | |
ff9b48c3 | 217 | print_cfs_group_stats(m, cpu, cfs_rq->tg); |
c09595f6 | 218 | #endif |
43ae34cb IM |
219 | } |
220 | ||
ada18de2 PZ |
221 | void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq) |
222 | { | |
223 | #if defined(CONFIG_CGROUP_SCHED) && defined(CONFIG_RT_GROUP_SCHED) | |
805194c3 | 224 | char path[128]; |
ada18de2 PZ |
225 | struct task_group *tg = rt_rq->tg; |
226 | ||
805194c3 | 227 | task_group_path(tg, path, sizeof(path)); |
ada18de2 PZ |
228 | |
229 | SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, path); | |
230 | #else | |
231 | SEQ_printf(m, "\nrt_rq[%d]:\n", cpu); | |
232 | #endif | |
233 | ||
234 | ||
235 | #define P(x) \ | |
236 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rt_rq->x)) | |
237 | #define PN(x) \ | |
238 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x)) | |
239 | ||
240 | P(rt_nr_running); | |
241 | P(rt_throttled); | |
242 | PN(rt_time); | |
243 | PN(rt_runtime); | |
244 | ||
245 | #undef PN | |
246 | #undef P | |
247 | } | |
248 | ||
a48da48b | 249 | static void print_cpu(struct seq_file *m, int cpu) |
43ae34cb | 250 | { |
348ec61e | 251 | struct rq *rq = cpu_rq(cpu); |
43ae34cb IM |
252 | |
253 | #ifdef CONFIG_X86 | |
254 | { | |
255 | unsigned int freq = cpu_khz ? : 1; | |
256 | ||
257 | SEQ_printf(m, "\ncpu#%d, %u.%03u MHz\n", | |
258 | cpu, freq / 1000, (freq % 1000)); | |
259 | } | |
260 | #else | |
261 | SEQ_printf(m, "\ncpu#%d\n", cpu); | |
262 | #endif | |
263 | ||
264 | #define P(x) \ | |
265 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rq->x)) | |
ef83a571 IM |
266 | #define PN(x) \ |
267 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) | |
43ae34cb IM |
268 | |
269 | P(nr_running); | |
270 | SEQ_printf(m, " .%-30s: %lu\n", "load", | |
495eca49 | 271 | rq->load.weight); |
43ae34cb IM |
272 | P(nr_switches); |
273 | P(nr_load_updates); | |
274 | P(nr_uninterruptible); | |
ef83a571 | 275 | PN(next_balance); |
43ae34cb | 276 | P(curr->pid); |
ef83a571 | 277 | PN(clock); |
43ae34cb IM |
278 | P(cpu_load[0]); |
279 | P(cpu_load[1]); | |
280 | P(cpu_load[2]); | |
281 | P(cpu_load[3]); | |
282 | P(cpu_load[4]); | |
283 | #undef P | |
ef83a571 | 284 | #undef PN |
43ae34cb | 285 | |
5ac5c4d6 PZ |
286 | #ifdef CONFIG_SCHEDSTATS |
287 | #define P(n) SEQ_printf(m, " .%-30s: %d\n", #n, rq->n); | |
1b9508f6 | 288 | #define P64(n) SEQ_printf(m, " .%-30s: %Ld\n", #n, rq->n); |
5ac5c4d6 | 289 | |
5ac5c4d6 PZ |
290 | P(yld_count); |
291 | ||
292 | P(sched_switch); | |
293 | P(sched_count); | |
294 | P(sched_goidle); | |
1b9508f6 MG |
295 | #ifdef CONFIG_SMP |
296 | P64(avg_idle); | |
297 | #endif | |
5ac5c4d6 PZ |
298 | |
299 | P(ttwu_count); | |
300 | P(ttwu_local); | |
301 | ||
302 | P(bkl_count); | |
303 | ||
304 | #undef P | |
305 | #endif | |
5cef9eca | 306 | print_cfs_stats(m, cpu); |
ada18de2 | 307 | print_rt_stats(m, cpu); |
43ae34cb | 308 | |
a48da48b | 309 | print_rq(m, rq, cpu); |
43ae34cb IM |
310 | } |
311 | ||
1983a922 CE |
312 | static const char *sched_tunable_scaling_names[] = { |
313 | "none", | |
314 | "logaritmic", | |
315 | "linear" | |
316 | }; | |
317 | ||
43ae34cb IM |
318 | static int sched_debug_show(struct seq_file *m, void *v) |
319 | { | |
320 | u64 now = ktime_to_ns(ktime_get()); | |
321 | int cpu; | |
322 | ||
67aa0f76 | 323 | SEQ_printf(m, "Sched Debug Version: v0.09, %s %.*s\n", |
43ae34cb IM |
324 | init_utsname()->release, |
325 | (int)strcspn(init_utsname()->version, " "), | |
326 | init_utsname()->version); | |
327 | ||
ef83a571 | 328 | SEQ_printf(m, "now at %Lu.%06ld msecs\n", SPLIT_NS(now)); |
43ae34cb | 329 | |
1aa4731e | 330 | #define P(x) \ |
d822cece | 331 | SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x)) |
1aa4731e | 332 | #define PN(x) \ |
d822cece | 333 | SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) |
af66df5e | 334 | P(jiffies); |
1aa4731e | 335 | PN(sysctl_sched_latency); |
b2be5e96 | 336 | PN(sysctl_sched_min_granularity); |
1aa4731e | 337 | PN(sysctl_sched_wakeup_granularity); |
1aa4731e IM |
338 | PN(sysctl_sched_child_runs_first); |
339 | P(sysctl_sched_features); | |
340 | #undef PN | |
341 | #undef P | |
342 | ||
1983a922 CE |
343 | SEQ_printf(m, " .%-40s: %d (%s)\n", "sysctl_sched_tunable_scaling", |
344 | sysctl_sched_tunable_scaling, | |
345 | sched_tunable_scaling_names[sysctl_sched_tunable_scaling]); | |
346 | ||
43ae34cb | 347 | for_each_online_cpu(cpu) |
a48da48b | 348 | print_cpu(m, cpu); |
43ae34cb IM |
349 | |
350 | SEQ_printf(m, "\n"); | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
f3373461 | 355 | static void sysrq_sched_debug_show(void) |
43ae34cb IM |
356 | { |
357 | sched_debug_show(NULL, NULL); | |
358 | } | |
359 | ||
360 | static int sched_debug_open(struct inode *inode, struct file *filp) | |
361 | { | |
362 | return single_open(filp, sched_debug_show, NULL); | |
363 | } | |
364 | ||
0dbee3a6 | 365 | static const struct file_operations sched_debug_fops = { |
43ae34cb IM |
366 | .open = sched_debug_open, |
367 | .read = seq_read, | |
368 | .llseek = seq_lseek, | |
5ea473a1 | 369 | .release = single_release, |
43ae34cb IM |
370 | }; |
371 | ||
372 | static int __init init_sched_debug_procfs(void) | |
373 | { | |
374 | struct proc_dir_entry *pe; | |
375 | ||
a9cf4ddb | 376 | pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops); |
43ae34cb IM |
377 | if (!pe) |
378 | return -ENOMEM; | |
43ae34cb IM |
379 | return 0; |
380 | } | |
381 | ||
382 | __initcall(init_sched_debug_procfs); | |
383 | ||
384 | void proc_sched_show_task(struct task_struct *p, struct seq_file *m) | |
385 | { | |
cc367732 | 386 | unsigned long nr_switches; |
43ae34cb IM |
387 | unsigned long flags; |
388 | int num_threads = 1; | |
389 | ||
43ae34cb IM |
390 | if (lock_task_sighand(p, &flags)) { |
391 | num_threads = atomic_read(&p->signal->count); | |
392 | unlock_task_sighand(p, &flags); | |
393 | } | |
43ae34cb IM |
394 | |
395 | SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid, num_threads); | |
2d92f227 IM |
396 | SEQ_printf(m, |
397 | "---------------------------------------------------------\n"); | |
cc367732 IM |
398 | #define __P(F) \ |
399 | SEQ_printf(m, "%-35s:%21Ld\n", #F, (long long)F) | |
43ae34cb | 400 | #define P(F) \ |
2d92f227 | 401 | SEQ_printf(m, "%-35s:%21Ld\n", #F, (long long)p->F) |
cc367732 IM |
402 | #define __PN(F) \ |
403 | SEQ_printf(m, "%-35s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) | |
ef83a571 | 404 | #define PN(F) \ |
2d92f227 | 405 | SEQ_printf(m, "%-35s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) |
43ae34cb | 406 | |
ef83a571 IM |
407 | PN(se.exec_start); |
408 | PN(se.vruntime); | |
409 | PN(se.sum_exec_runtime); | |
4ae7d5ce | 410 | PN(se.avg_overlap); |
831451ac | 411 | PN(se.avg_wakeup); |
6cfb0d5d | 412 | |
cc367732 IM |
413 | nr_switches = p->nvcsw + p->nivcsw; |
414 | ||
6cfb0d5d | 415 | #ifdef CONFIG_SCHEDSTATS |
ef83a571 IM |
416 | PN(se.wait_start); |
417 | PN(se.sleep_start); | |
418 | PN(se.block_start); | |
419 | PN(se.sleep_max); | |
420 | PN(se.block_max); | |
421 | PN(se.exec_max); | |
422 | PN(se.slice_max); | |
423 | PN(se.wait_max); | |
6d082592 AV |
424 | PN(se.wait_sum); |
425 | P(se.wait_count); | |
8f0dfc34 AV |
426 | PN(se.iowait_sum); |
427 | P(se.iowait_count); | |
2d72376b | 428 | P(sched_info.bkl_count); |
cc367732 IM |
429 | P(se.nr_migrations); |
430 | P(se.nr_migrations_cold); | |
431 | P(se.nr_failed_migrations_affine); | |
432 | P(se.nr_failed_migrations_running); | |
433 | P(se.nr_failed_migrations_hot); | |
434 | P(se.nr_forced_migrations); | |
cc367732 IM |
435 | P(se.nr_wakeups); |
436 | P(se.nr_wakeups_sync); | |
437 | P(se.nr_wakeups_migrate); | |
438 | P(se.nr_wakeups_local); | |
439 | P(se.nr_wakeups_remote); | |
440 | P(se.nr_wakeups_affine); | |
441 | P(se.nr_wakeups_affine_attempts); | |
442 | P(se.nr_wakeups_passive); | |
443 | P(se.nr_wakeups_idle); | |
444 | ||
445 | { | |
446 | u64 avg_atom, avg_per_cpu; | |
447 | ||
448 | avg_atom = p->se.sum_exec_runtime; | |
449 | if (nr_switches) | |
450 | do_div(avg_atom, nr_switches); | |
451 | else | |
452 | avg_atom = -1LL; | |
453 | ||
454 | avg_per_cpu = p->se.sum_exec_runtime; | |
c1a89740 | 455 | if (p->se.nr_migrations) { |
6f6d6a1a RZ |
456 | avg_per_cpu = div64_u64(avg_per_cpu, |
457 | p->se.nr_migrations); | |
c1a89740 | 458 | } else { |
cc367732 | 459 | avg_per_cpu = -1LL; |
c1a89740 | 460 | } |
cc367732 IM |
461 | |
462 | __PN(avg_atom); | |
463 | __PN(avg_per_cpu); | |
464 | } | |
6cfb0d5d | 465 | #endif |
cc367732 | 466 | __P(nr_switches); |
2d92f227 | 467 | SEQ_printf(m, "%-35s:%21Ld\n", |
cc367732 IM |
468 | "nr_voluntary_switches", (long long)p->nvcsw); |
469 | SEQ_printf(m, "%-35s:%21Ld\n", | |
470 | "nr_involuntary_switches", (long long)p->nivcsw); | |
471 | ||
43ae34cb IM |
472 | P(se.load.weight); |
473 | P(policy); | |
474 | P(prio); | |
ef83a571 | 475 | #undef PN |
cc367732 IM |
476 | #undef __PN |
477 | #undef P | |
478 | #undef __P | |
43ae34cb IM |
479 | |
480 | { | |
29d7b90c | 481 | unsigned int this_cpu = raw_smp_processor_id(); |
43ae34cb IM |
482 | u64 t0, t1; |
483 | ||
29d7b90c IM |
484 | t0 = cpu_clock(this_cpu); |
485 | t1 = cpu_clock(this_cpu); | |
2d92f227 | 486 | SEQ_printf(m, "%-35s:%21Ld\n", |
43ae34cb IM |
487 | "clock-delta", (long long)(t1-t0)); |
488 | } | |
489 | } | |
490 | ||
491 | void proc_sched_set_task(struct task_struct *p) | |
492 | { | |
6cfb0d5d | 493 | #ifdef CONFIG_SCHEDSTATS |
cc367732 | 494 | p->se.wait_max = 0; |
6d082592 AV |
495 | p->se.wait_sum = 0; |
496 | p->se.wait_count = 0; | |
8f0dfc34 AV |
497 | p->se.iowait_sum = 0; |
498 | p->se.iowait_count = 0; | |
cc367732 IM |
499 | p->se.sleep_max = 0; |
500 | p->se.sum_sleep_runtime = 0; | |
501 | p->se.block_max = 0; | |
502 | p->se.exec_max = 0; | |
503 | p->se.slice_max = 0; | |
504 | p->se.nr_migrations = 0; | |
505 | p->se.nr_migrations_cold = 0; | |
506 | p->se.nr_failed_migrations_affine = 0; | |
507 | p->se.nr_failed_migrations_running = 0; | |
508 | p->se.nr_failed_migrations_hot = 0; | |
509 | p->se.nr_forced_migrations = 0; | |
cc367732 IM |
510 | p->se.nr_wakeups = 0; |
511 | p->se.nr_wakeups_sync = 0; | |
512 | p->se.nr_wakeups_migrate = 0; | |
513 | p->se.nr_wakeups_local = 0; | |
514 | p->se.nr_wakeups_remote = 0; | |
515 | p->se.nr_wakeups_affine = 0; | |
516 | p->se.nr_wakeups_affine_attempts = 0; | |
517 | p->se.nr_wakeups_passive = 0; | |
518 | p->se.nr_wakeups_idle = 0; | |
519 | p->sched_info.bkl_count = 0; | |
6cfb0d5d | 520 | #endif |
43ae34cb | 521 | } |