Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 1 | /* |
Peter Zijlstra | 391e43d | 2011-11-15 17:14:39 +0100 | [diff] [blame] | 2 | * kernel/sched/debug.c |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 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> |
Ingo Molnar | 589ee62 | 2017-02-04 00:16:44 +0100 | [diff] [blame] | 14 | #include <linux/sched/mm.h> |
Ingo Molnar | f719ff9 | 2017-02-06 10:57:33 +0100 | [diff] [blame] | 15 | #include <linux/sched/task.h> |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 16 | #include <linux/seq_file.h> |
| 17 | #include <linux/kallsyms.h> |
| 18 | #include <linux/utsname.h> |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 19 | #include <linux/mempolicy.h> |
Steven Rostedt (Red Hat) | d6ca41d | 2016-02-22 16:26:50 -0500 | [diff] [blame] | 20 | #include <linux/debugfs.h> |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 21 | |
Peter Zijlstra | 029632f | 2011-10-25 10:00:11 +0200 | [diff] [blame] | 22 | #include "sched.h" |
| 23 | |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 24 | static DEFINE_SPINLOCK(sched_debug_lock); |
| 25 | |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 26 | /* |
| 27 | * This allows printing both to /proc/sched_debug and |
| 28 | * to the console |
| 29 | */ |
| 30 | #define SEQ_printf(m, x...) \ |
| 31 | do { \ |
| 32 | if (m) \ |
| 33 | seq_printf(m, x); \ |
| 34 | else \ |
| 35 | printk(x); \ |
| 36 | } while (0) |
| 37 | |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 38 | /* |
| 39 | * Ease the printing of nsec fields: |
| 40 | */ |
Ingo Molnar | 90b2628 | 2007-12-30 17:24:35 +0100 | [diff] [blame] | 41 | static long long nsec_high(unsigned long long nsec) |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 42 | { |
Ingo Molnar | 90b2628 | 2007-12-30 17:24:35 +0100 | [diff] [blame] | 43 | if ((long long)nsec < 0) { |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 44 | nsec = -nsec; |
| 45 | do_div(nsec, 1000000); |
| 46 | return -nsec; |
| 47 | } |
| 48 | do_div(nsec, 1000000); |
| 49 | |
| 50 | return nsec; |
| 51 | } |
| 52 | |
Ingo Molnar | 90b2628 | 2007-12-30 17:24:35 +0100 | [diff] [blame] | 53 | static unsigned long nsec_low(unsigned long long nsec) |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 54 | { |
Ingo Molnar | 90b2628 | 2007-12-30 17:24:35 +0100 | [diff] [blame] | 55 | if ((long long)nsec < 0) |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 56 | nsec = -nsec; |
| 57 | |
| 58 | return do_div(nsec, 1000000); |
| 59 | } |
| 60 | |
| 61 | #define SPLIT_NS(x) nsec_high(x), nsec_low(x) |
| 62 | |
Steven Rostedt (Red Hat) | d6ca41d | 2016-02-22 16:26:50 -0500 | [diff] [blame] | 63 | #define SCHED_FEAT(name, enabled) \ |
| 64 | #name , |
| 65 | |
| 66 | static const char * const sched_feat_names[] = { |
| 67 | #include "features.h" |
| 68 | }; |
| 69 | |
| 70 | #undef SCHED_FEAT |
| 71 | |
| 72 | static int sched_feat_show(struct seq_file *m, void *v) |
| 73 | { |
| 74 | int i; |
| 75 | |
| 76 | for (i = 0; i < __SCHED_FEAT_NR; i++) { |
| 77 | if (!(sysctl_sched_features & (1UL << i))) |
| 78 | seq_puts(m, "NO_"); |
| 79 | seq_printf(m, "%s ", sched_feat_names[i]); |
| 80 | } |
| 81 | seq_puts(m, "\n"); |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | |
| 86 | #ifdef HAVE_JUMP_LABEL |
| 87 | |
| 88 | #define jump_label_key__true STATIC_KEY_INIT_TRUE |
| 89 | #define jump_label_key__false STATIC_KEY_INIT_FALSE |
| 90 | |
| 91 | #define SCHED_FEAT(name, enabled) \ |
| 92 | jump_label_key__##enabled , |
| 93 | |
| 94 | struct static_key sched_feat_keys[__SCHED_FEAT_NR] = { |
| 95 | #include "features.h" |
| 96 | }; |
| 97 | |
| 98 | #undef SCHED_FEAT |
| 99 | |
| 100 | static void sched_feat_disable(int i) |
| 101 | { |
| 102 | static_key_disable(&sched_feat_keys[i]); |
| 103 | } |
| 104 | |
| 105 | static void sched_feat_enable(int i) |
| 106 | { |
| 107 | static_key_enable(&sched_feat_keys[i]); |
| 108 | } |
| 109 | #else |
| 110 | static void sched_feat_disable(int i) { }; |
| 111 | static void sched_feat_enable(int i) { }; |
| 112 | #endif /* HAVE_JUMP_LABEL */ |
| 113 | |
| 114 | static int sched_feat_set(char *cmp) |
| 115 | { |
| 116 | int i; |
| 117 | int neg = 0; |
| 118 | |
| 119 | if (strncmp(cmp, "NO_", 3) == 0) { |
| 120 | neg = 1; |
| 121 | cmp += 3; |
| 122 | } |
| 123 | |
| 124 | for (i = 0; i < __SCHED_FEAT_NR; i++) { |
| 125 | if (strcmp(cmp, sched_feat_names[i]) == 0) { |
| 126 | if (neg) { |
| 127 | sysctl_sched_features &= ~(1UL << i); |
| 128 | sched_feat_disable(i); |
| 129 | } else { |
| 130 | sysctl_sched_features |= (1UL << i); |
| 131 | sched_feat_enable(i); |
| 132 | } |
| 133 | break; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | return i; |
| 138 | } |
| 139 | |
| 140 | static ssize_t |
| 141 | sched_feat_write(struct file *filp, const char __user *ubuf, |
| 142 | size_t cnt, loff_t *ppos) |
| 143 | { |
| 144 | char buf[64]; |
| 145 | char *cmp; |
| 146 | int i; |
| 147 | struct inode *inode; |
| 148 | |
| 149 | if (cnt > 63) |
| 150 | cnt = 63; |
| 151 | |
| 152 | if (copy_from_user(&buf, ubuf, cnt)) |
| 153 | return -EFAULT; |
| 154 | |
| 155 | buf[cnt] = 0; |
| 156 | cmp = strstrip(buf); |
| 157 | |
| 158 | /* Ensure the static_key remains in a consistent state */ |
| 159 | inode = file_inode(filp); |
| 160 | inode_lock(inode); |
| 161 | i = sched_feat_set(cmp); |
| 162 | inode_unlock(inode); |
| 163 | if (i == __SCHED_FEAT_NR) |
| 164 | return -EINVAL; |
| 165 | |
| 166 | *ppos += cnt; |
| 167 | |
| 168 | return cnt; |
| 169 | } |
| 170 | |
| 171 | static int sched_feat_open(struct inode *inode, struct file *filp) |
| 172 | { |
| 173 | return single_open(filp, sched_feat_show, NULL); |
| 174 | } |
| 175 | |
| 176 | static const struct file_operations sched_feat_fops = { |
| 177 | .open = sched_feat_open, |
| 178 | .write = sched_feat_write, |
| 179 | .read = seq_read, |
| 180 | .llseek = seq_lseek, |
| 181 | .release = single_release, |
| 182 | }; |
| 183 | |
| 184 | static __init int sched_init_debug(void) |
| 185 | { |
| 186 | debugfs_create_file("sched_features", 0644, NULL, NULL, |
| 187 | &sched_feat_fops); |
| 188 | |
| 189 | return 0; |
| 190 | } |
| 191 | late_initcall(sched_init_debug); |
| 192 | |
Steven Rostedt (Red Hat) | 3866e84 | 2016-02-22 16:26:51 -0500 | [diff] [blame] | 193 | #ifdef CONFIG_SMP |
| 194 | |
| 195 | #ifdef CONFIG_SYSCTL |
| 196 | |
| 197 | static struct ctl_table sd_ctl_dir[] = { |
| 198 | { |
| 199 | .procname = "sched_domain", |
| 200 | .mode = 0555, |
| 201 | }, |
| 202 | {} |
| 203 | }; |
| 204 | |
| 205 | static struct ctl_table sd_ctl_root[] = { |
| 206 | { |
| 207 | .procname = "kernel", |
| 208 | .mode = 0555, |
| 209 | .child = sd_ctl_dir, |
| 210 | }, |
| 211 | {} |
| 212 | }; |
| 213 | |
| 214 | static struct ctl_table *sd_alloc_ctl_entry(int n) |
| 215 | { |
| 216 | struct ctl_table *entry = |
| 217 | kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL); |
| 218 | |
| 219 | return entry; |
| 220 | } |
| 221 | |
| 222 | static void sd_free_ctl_entry(struct ctl_table **tablep) |
| 223 | { |
| 224 | struct ctl_table *entry; |
| 225 | |
| 226 | /* |
| 227 | * In the intermediate directories, both the child directory and |
| 228 | * procname are dynamically allocated and could fail but the mode |
| 229 | * will always be set. In the lowest directory the names are |
| 230 | * static strings and all have proc handlers. |
| 231 | */ |
| 232 | for (entry = *tablep; entry->mode; entry++) { |
| 233 | if (entry->child) |
| 234 | sd_free_ctl_entry(&entry->child); |
| 235 | if (entry->proc_handler == NULL) |
| 236 | kfree(entry->procname); |
| 237 | } |
| 238 | |
| 239 | kfree(*tablep); |
| 240 | *tablep = NULL; |
| 241 | } |
| 242 | |
| 243 | static int min_load_idx = 0; |
| 244 | static int max_load_idx = CPU_LOAD_IDX_MAX-1; |
| 245 | |
| 246 | static void |
| 247 | set_table_entry(struct ctl_table *entry, |
| 248 | const char *procname, void *data, int maxlen, |
| 249 | umode_t mode, proc_handler *proc_handler, |
| 250 | bool load_idx) |
| 251 | { |
| 252 | entry->procname = procname; |
| 253 | entry->data = data; |
| 254 | entry->maxlen = maxlen; |
| 255 | entry->mode = mode; |
| 256 | entry->proc_handler = proc_handler; |
| 257 | |
| 258 | if (load_idx) { |
| 259 | entry->extra1 = &min_load_idx; |
| 260 | entry->extra2 = &max_load_idx; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | static struct ctl_table * |
| 265 | sd_alloc_ctl_domain_table(struct sched_domain *sd) |
| 266 | { |
| 267 | struct ctl_table *table = sd_alloc_ctl_entry(14); |
| 268 | |
| 269 | if (table == NULL) |
| 270 | return NULL; |
| 271 | |
| 272 | set_table_entry(&table[0], "min_interval", &sd->min_interval, |
| 273 | sizeof(long), 0644, proc_doulongvec_minmax, false); |
| 274 | set_table_entry(&table[1], "max_interval", &sd->max_interval, |
| 275 | sizeof(long), 0644, proc_doulongvec_minmax, false); |
| 276 | set_table_entry(&table[2], "busy_idx", &sd->busy_idx, |
| 277 | sizeof(int), 0644, proc_dointvec_minmax, true); |
| 278 | set_table_entry(&table[3], "idle_idx", &sd->idle_idx, |
| 279 | sizeof(int), 0644, proc_dointvec_minmax, true); |
| 280 | set_table_entry(&table[4], "newidle_idx", &sd->newidle_idx, |
| 281 | sizeof(int), 0644, proc_dointvec_minmax, true); |
| 282 | set_table_entry(&table[5], "wake_idx", &sd->wake_idx, |
| 283 | sizeof(int), 0644, proc_dointvec_minmax, true); |
| 284 | set_table_entry(&table[6], "forkexec_idx", &sd->forkexec_idx, |
| 285 | sizeof(int), 0644, proc_dointvec_minmax, true); |
| 286 | set_table_entry(&table[7], "busy_factor", &sd->busy_factor, |
| 287 | sizeof(int), 0644, proc_dointvec_minmax, false); |
| 288 | set_table_entry(&table[8], "imbalance_pct", &sd->imbalance_pct, |
| 289 | sizeof(int), 0644, proc_dointvec_minmax, false); |
| 290 | set_table_entry(&table[9], "cache_nice_tries", |
| 291 | &sd->cache_nice_tries, |
| 292 | sizeof(int), 0644, proc_dointvec_minmax, false); |
| 293 | set_table_entry(&table[10], "flags", &sd->flags, |
| 294 | sizeof(int), 0644, proc_dointvec_minmax, false); |
| 295 | set_table_entry(&table[11], "max_newidle_lb_cost", |
| 296 | &sd->max_newidle_lb_cost, |
| 297 | sizeof(long), 0644, proc_doulongvec_minmax, false); |
| 298 | set_table_entry(&table[12], "name", sd->name, |
| 299 | CORENAME_MAX_SIZE, 0444, proc_dostring, false); |
| 300 | /* &table[13] is terminator */ |
| 301 | |
| 302 | return table; |
| 303 | } |
| 304 | |
| 305 | static struct ctl_table *sd_alloc_ctl_cpu_table(int cpu) |
| 306 | { |
| 307 | struct ctl_table *entry, *table; |
| 308 | struct sched_domain *sd; |
| 309 | int domain_num = 0, i; |
| 310 | char buf[32]; |
| 311 | |
| 312 | for_each_domain(cpu, sd) |
| 313 | domain_num++; |
| 314 | entry = table = sd_alloc_ctl_entry(domain_num + 1); |
| 315 | if (table == NULL) |
| 316 | return NULL; |
| 317 | |
| 318 | i = 0; |
| 319 | for_each_domain(cpu, sd) { |
| 320 | snprintf(buf, 32, "domain%d", i); |
| 321 | entry->procname = kstrdup(buf, GFP_KERNEL); |
| 322 | entry->mode = 0555; |
| 323 | entry->child = sd_alloc_ctl_domain_table(sd); |
| 324 | entry++; |
| 325 | i++; |
| 326 | } |
| 327 | return table; |
| 328 | } |
| 329 | |
| 330 | static struct ctl_table_header *sd_sysctl_header; |
| 331 | void register_sched_domain_sysctl(void) |
| 332 | { |
| 333 | int i, cpu_num = num_possible_cpus(); |
| 334 | struct ctl_table *entry = sd_alloc_ctl_entry(cpu_num + 1); |
| 335 | char buf[32]; |
| 336 | |
| 337 | WARN_ON(sd_ctl_dir[0].child); |
| 338 | sd_ctl_dir[0].child = entry; |
| 339 | |
| 340 | if (entry == NULL) |
| 341 | return; |
| 342 | |
| 343 | for_each_possible_cpu(i) { |
| 344 | snprintf(buf, 32, "cpu%d", i); |
| 345 | entry->procname = kstrdup(buf, GFP_KERNEL); |
| 346 | entry->mode = 0555; |
| 347 | entry->child = sd_alloc_ctl_cpu_table(i); |
| 348 | entry++; |
| 349 | } |
| 350 | |
| 351 | WARN_ON(sd_sysctl_header); |
| 352 | sd_sysctl_header = register_sysctl_table(sd_ctl_root); |
| 353 | } |
| 354 | |
| 355 | /* may be called multiple times per register */ |
| 356 | void unregister_sched_domain_sysctl(void) |
| 357 | { |
| 358 | unregister_sysctl_table(sd_sysctl_header); |
| 359 | sd_sysctl_header = NULL; |
| 360 | if (sd_ctl_dir[0].child) |
| 361 | sd_free_ctl_entry(&sd_ctl_dir[0].child); |
| 362 | } |
| 363 | #endif /* CONFIG_SYSCTL */ |
| 364 | #endif /* CONFIG_SMP */ |
| 365 | |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 366 | #ifdef CONFIG_FAIR_GROUP_SCHED |
Mike Galbraith | 5091faa | 2010-11-30 14:18:03 +0100 | [diff] [blame] | 367 | static void print_cfs_group_stats(struct seq_file *m, int cpu, struct task_group *tg) |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 368 | { |
| 369 | struct sched_entity *se = tg->se[cpu]; |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 370 | |
| 371 | #define P(F) \ |
| 372 | SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)F) |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 373 | #define P_SCHEDSTAT(F) \ |
| 374 | SEQ_printf(m, " .%-30s: %lld\n", #F, (long long)schedstat_val(F)) |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 375 | #define PN(F) \ |
| 376 | SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)F)) |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 377 | #define PN_SCHEDSTAT(F) \ |
| 378 | SEQ_printf(m, " .%-30s: %lld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(F))) |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 379 | |
Yuyang Du | cd126af | 2015-07-15 08:04:36 +0800 | [diff] [blame] | 380 | if (!se) |
Ben Segall | 18bf280 | 2012-10-04 12:51:20 +0200 | [diff] [blame] | 381 | return; |
Ben Segall | 18bf280 | 2012-10-04 12:51:20 +0200 | [diff] [blame] | 382 | |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 383 | PN(se->exec_start); |
| 384 | PN(se->vruntime); |
| 385 | PN(se->sum_exec_runtime); |
Mel Gorman | cb25176 | 2016-02-05 09:08:36 +0000 | [diff] [blame] | 386 | if (schedstat_enabled()) { |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 387 | PN_SCHEDSTAT(se->statistics.wait_start); |
| 388 | PN_SCHEDSTAT(se->statistics.sleep_start); |
| 389 | PN_SCHEDSTAT(se->statistics.block_start); |
| 390 | PN_SCHEDSTAT(se->statistics.sleep_max); |
| 391 | PN_SCHEDSTAT(se->statistics.block_max); |
| 392 | PN_SCHEDSTAT(se->statistics.exec_max); |
| 393 | PN_SCHEDSTAT(se->statistics.slice_max); |
| 394 | PN_SCHEDSTAT(se->statistics.wait_max); |
| 395 | PN_SCHEDSTAT(se->statistics.wait_sum); |
| 396 | P_SCHEDSTAT(se->statistics.wait_count); |
Mel Gorman | cb25176 | 2016-02-05 09:08:36 +0000 | [diff] [blame] | 397 | } |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 398 | P(se->load.weight); |
Paul Turner | 9d85f21 | 2012-10-04 13:18:29 +0200 | [diff] [blame] | 399 | #ifdef CONFIG_SMP |
Yuyang Du | 9d89c25 | 2015-07-15 08:04:37 +0800 | [diff] [blame] | 400 | P(se->avg.load_avg); |
| 401 | P(se->avg.util_avg); |
Paul Turner | 9d85f21 | 2012-10-04 13:18:29 +0200 | [diff] [blame] | 402 | #endif |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 403 | |
| 404 | #undef PN_SCHEDSTAT |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 405 | #undef PN |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 406 | #undef P_SCHEDSTAT |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 407 | #undef P |
| 408 | } |
| 409 | #endif |
| 410 | |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 411 | #ifdef CONFIG_CGROUP_SCHED |
| 412 | static char group_path[PATH_MAX]; |
| 413 | |
| 414 | static char *task_group_path(struct task_group *tg) |
| 415 | { |
Bharata B Rao | 8ecedd7 | 2011-01-11 15:42:57 +0530 | [diff] [blame] | 416 | if (autogroup_path(tg, group_path, PATH_MAX)) |
| 417 | return group_path; |
| 418 | |
Tejun Heo | 4c737b4 | 2016-08-10 11:23:44 -0400 | [diff] [blame] | 419 | cgroup_path(tg->css.cgroup, group_path, PATH_MAX); |
| 420 | return group_path; |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 421 | } |
| 422 | #endif |
| 423 | |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 424 | static void |
Ingo Molnar | a48da48 | 2007-08-09 11:16:51 +0200 | [diff] [blame] | 425 | print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 426 | { |
| 427 | if (rq->curr == p) |
| 428 | SEQ_printf(m, "R"); |
| 429 | else |
| 430 | SEQ_printf(m, " "); |
| 431 | |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 432 | SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ", |
Peter Zijlstra | fc84091 | 2013-09-09 13:01:41 +0200 | [diff] [blame] | 433 | p->comm, task_pid_nr(p), |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 434 | SPLIT_NS(p->se.vruntime), |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 435 | (long long)(p->nvcsw + p->nivcsw), |
Al Viro | 6f605d8 | 2007-08-06 04:26:59 +0100 | [diff] [blame] | 436 | p->prio); |
Josh Poimboeuf | 9c57259 | 2016-06-03 17:58:40 -0500 | [diff] [blame] | 437 | |
Srikar Dronamraju | 33d6176 | 2015-06-08 13:40:39 +0530 | [diff] [blame] | 438 | SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld", |
Josh Poimboeuf | 20e1d48 | 2016-06-17 12:43:25 -0500 | [diff] [blame] | 439 | SPLIT_NS(schedstat_val_or_zero(p->se.statistics.wait_sum)), |
Srikar Dronamraju | 33d6176 | 2015-06-08 13:40:39 +0530 | [diff] [blame] | 440 | SPLIT_NS(p->se.sum_exec_runtime), |
Josh Poimboeuf | 20e1d48 | 2016-06-17 12:43:25 -0500 | [diff] [blame] | 441 | SPLIT_NS(schedstat_val_or_zero(p->se.statistics.sum_sleep_runtime))); |
Josh Poimboeuf | 9c57259 | 2016-06-03 17:58:40 -0500 | [diff] [blame] | 442 | |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 443 | #ifdef CONFIG_NUMA_BALANCING |
Srikar Dronamraju | e3d24d0 | 2015-06-25 22:51:42 +0530 | [diff] [blame] | 444 | SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p)); |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 445 | #endif |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 446 | #ifdef CONFIG_CGROUP_SCHED |
| 447 | SEQ_printf(m, " %s", task_group_path(task_group(p))); |
| 448 | #endif |
Peter Zijlstra | d19ca30 | 2008-04-19 19:45:00 +0200 | [diff] [blame] | 449 | |
Peter Zijlstra | d19ca30 | 2008-04-19 19:45:00 +0200 | [diff] [blame] | 450 | SEQ_printf(m, "\n"); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 451 | } |
| 452 | |
Ingo Molnar | a48da48 | 2007-08-09 11:16:51 +0200 | [diff] [blame] | 453 | static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 454 | { |
| 455 | struct task_struct *g, *p; |
| 456 | |
| 457 | SEQ_printf(m, |
| 458 | "\nrunnable tasks:\n" |
Mike Galbraith | c86da3a | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 459 | " task PID tree-key switches prio" |
Srikar Dronamraju | c5f3ab1 | 2015-06-08 13:40:40 +0530 | [diff] [blame] | 460 | " wait-time sum-exec sum-sleep\n" |
Ingo Molnar | 1a75b94 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 461 | "------------------------------------------------------" |
Mike Galbraith | c86da3a | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 462 | "----------------------------------------------------\n"); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 463 | |
Oleg Nesterov | 5bd96ab | 2014-09-21 21:33:41 +0200 | [diff] [blame] | 464 | rcu_read_lock(); |
Oleg Nesterov | d38e83c | 2014-08-13 21:19:56 +0200 | [diff] [blame] | 465 | for_each_process_thread(g, p) { |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 466 | if (task_cpu(p) != rq_cpu) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 467 | continue; |
| 468 | |
Ingo Molnar | a48da48 | 2007-08-09 11:16:51 +0200 | [diff] [blame] | 469 | print_task(m, rq, p); |
Oleg Nesterov | d38e83c | 2014-08-13 21:19:56 +0200 | [diff] [blame] | 470 | } |
Oleg Nesterov | 5bd96ab | 2014-09-21 21:33:41 +0200 | [diff] [blame] | 471 | rcu_read_unlock(); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 472 | } |
| 473 | |
Ingo Molnar | 5cef9ec | 2007-08-09 11:16:47 +0200 | [diff] [blame] | 474 | void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 475 | { |
Ingo Molnar | 86d9560 | 2007-10-15 17:00:06 +0200 | [diff] [blame] | 476 | s64 MIN_vruntime = -1, min_vruntime, max_vruntime = -1, |
| 477 | spread, rq0_min_vruntime, spread0; |
Hitoshi Mitake | 348ec61 | 2009-06-17 22:20:55 +0900 | [diff] [blame] | 478 | struct rq *rq = cpu_rq(cpu); |
Ingo Molnar | 67e12ea | 2007-10-15 17:00:05 +0200 | [diff] [blame] | 479 | struct sched_entity *last; |
| 480 | unsigned long flags; |
| 481 | |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 482 | #ifdef CONFIG_FAIR_GROUP_SCHED |
| 483 | SEQ_printf(m, "\ncfs_rq[%d]:%s\n", cpu, task_group_path(cfs_rq->tg)); |
| 484 | #else |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 485 | SEQ_printf(m, "\ncfs_rq[%d]:\n", cpu); |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 486 | #endif |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 487 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "exec_clock", |
| 488 | SPLIT_NS(cfs_rq->exec_clock)); |
Ingo Molnar | 67e12ea | 2007-10-15 17:00:05 +0200 | [diff] [blame] | 489 | |
Thomas Gleixner | 05fa785 | 2009-11-17 14:28:38 +0100 | [diff] [blame] | 490 | raw_spin_lock_irqsave(&rq->lock, flags); |
Ingo Molnar | 67e12ea | 2007-10-15 17:00:05 +0200 | [diff] [blame] | 491 | if (cfs_rq->rb_leftmost) |
Rik van Riel | ac53db5 | 2011-02-01 09:51:03 -0500 | [diff] [blame] | 492 | MIN_vruntime = (__pick_first_entity(cfs_rq))->vruntime; |
Ingo Molnar | 67e12ea | 2007-10-15 17:00:05 +0200 | [diff] [blame] | 493 | last = __pick_last_entity(cfs_rq); |
| 494 | if (last) |
| 495 | max_vruntime = last->vruntime; |
Peter Zijlstra | 5ac5c4d | 2008-11-10 10:46:32 +0100 | [diff] [blame] | 496 | min_vruntime = cfs_rq->min_vruntime; |
Hitoshi Mitake | 348ec61 | 2009-06-17 22:20:55 +0900 | [diff] [blame] | 497 | rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime; |
Thomas Gleixner | 05fa785 | 2009-11-17 14:28:38 +0100 | [diff] [blame] | 498 | raw_spin_unlock_irqrestore(&rq->lock, flags); |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 499 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "MIN_vruntime", |
| 500 | SPLIT_NS(MIN_vruntime)); |
| 501 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "min_vruntime", |
| 502 | SPLIT_NS(min_vruntime)); |
| 503 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "max_vruntime", |
| 504 | SPLIT_NS(max_vruntime)); |
Ingo Molnar | 67e12ea | 2007-10-15 17:00:05 +0200 | [diff] [blame] | 505 | spread = max_vruntime - MIN_vruntime; |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 506 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread", |
| 507 | SPLIT_NS(spread)); |
Ingo Molnar | 86d9560 | 2007-10-15 17:00:06 +0200 | [diff] [blame] | 508 | spread0 = min_vruntime - rq0_min_vruntime; |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 509 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", "spread0", |
| 510 | SPLIT_NS(spread0)); |
Peter Zijlstra | 5ac5c4d | 2008-11-10 10:46:32 +0100 | [diff] [blame] | 511 | SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over", |
Peter Zijlstra | ddc9729 | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 512 | cfs_rq->nr_spread_over); |
Peter Zijlstra | c82513e | 2012-04-26 13:12:27 +0200 | [diff] [blame] | 513 | SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running); |
Peter Zijlstra | 2069dd7 | 2010-11-15 15:47:00 -0800 | [diff] [blame] | 514 | SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); |
Peter Zijlstra | c09595f | 2008-06-27 13:41:14 +0200 | [diff] [blame] | 515 | #ifdef CONFIG_SMP |
Yuyang Du | 9d89c25 | 2015-07-15 08:04:37 +0800 | [diff] [blame] | 516 | SEQ_printf(m, " .%-30s: %lu\n", "load_avg", |
| 517 | cfs_rq->avg.load_avg); |
Yuyang Du | 1396223 | 2015-07-15 08:04:41 +0800 | [diff] [blame] | 518 | SEQ_printf(m, " .%-30s: %lu\n", "runnable_load_avg", |
| 519 | cfs_rq->runnable_load_avg); |
Yuyang Du | 9d89c25 | 2015-07-15 08:04:37 +0800 | [diff] [blame] | 520 | SEQ_printf(m, " .%-30s: %lu\n", "util_avg", |
| 521 | cfs_rq->avg.util_avg); |
| 522 | SEQ_printf(m, " .%-30s: %ld\n", "removed_load_avg", |
| 523 | atomic_long_read(&cfs_rq->removed_load_avg)); |
| 524 | SEQ_printf(m, " .%-30s: %ld\n", "removed_util_avg", |
| 525 | atomic_long_read(&cfs_rq->removed_util_avg)); |
Alex Shi | 333bb86 | 2013-06-28 19:10:35 +0800 | [diff] [blame] | 526 | #ifdef CONFIG_FAIR_GROUP_SCHED |
Yuyang Du | 9d89c25 | 2015-07-15 08:04:37 +0800 | [diff] [blame] | 527 | SEQ_printf(m, " .%-30s: %lu\n", "tg_load_avg_contrib", |
| 528 | cfs_rq->tg_load_avg_contrib); |
Alex Shi | 333bb86 | 2013-06-28 19:10:35 +0800 | [diff] [blame] | 529 | SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg", |
| 530 | atomic_long_read(&cfs_rq->tg->load_avg)); |
Peter Zijlstra | c09595f | 2008-06-27 13:41:14 +0200 | [diff] [blame] | 531 | #endif |
Alex Shi | 333bb86 | 2013-06-28 19:10:35 +0800 | [diff] [blame] | 532 | #endif |
Ben Segall | f9f9ffc | 2013-10-16 11:16:32 -0700 | [diff] [blame] | 533 | #ifdef CONFIG_CFS_BANDWIDTH |
Ben Segall | f9f9ffc | 2013-10-16 11:16:32 -0700 | [diff] [blame] | 534 | SEQ_printf(m, " .%-30s: %d\n", "throttled", |
| 535 | cfs_rq->throttled); |
| 536 | SEQ_printf(m, " .%-30s: %d\n", "throttle_count", |
| 537 | cfs_rq->throttle_count); |
| 538 | #endif |
Peter Zijlstra | 2069dd7 | 2010-11-15 15:47:00 -0800 | [diff] [blame] | 539 | |
Alex Shi | 333bb86 | 2013-06-28 19:10:35 +0800 | [diff] [blame] | 540 | #ifdef CONFIG_FAIR_GROUP_SCHED |
Bharata B Rao | ff9b48c | 2008-11-10 21:34:09 +0530 | [diff] [blame] | 541 | print_cfs_group_stats(m, cpu, cfs_rq->tg); |
Peter Zijlstra | c09595f | 2008-06-27 13:41:14 +0200 | [diff] [blame] | 542 | #endif |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 543 | } |
| 544 | |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 545 | void print_rt_rq(struct seq_file *m, int cpu, struct rt_rq *rt_rq) |
| 546 | { |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 547 | #ifdef CONFIG_RT_GROUP_SCHED |
| 548 | SEQ_printf(m, "\nrt_rq[%d]:%s\n", cpu, task_group_path(rt_rq->tg)); |
| 549 | #else |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 550 | SEQ_printf(m, "\nrt_rq[%d]:\n", cpu); |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 551 | #endif |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 552 | |
| 553 | #define P(x) \ |
| 554 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rt_rq->x)) |
Daniel Bristot de Oliveira | 48365b3 | 2017-06-26 17:07:14 +0200 | [diff] [blame] | 555 | #define PU(x) \ |
| 556 | SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(rt_rq->x)) |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 557 | #define PN(x) \ |
| 558 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rt_rq->x)) |
| 559 | |
Daniel Bristot de Oliveira | 48365b3 | 2017-06-26 17:07:14 +0200 | [diff] [blame] | 560 | PU(rt_nr_running); |
| 561 | #ifdef CONFIG_SMP |
| 562 | PU(rt_nr_migratory); |
| 563 | #endif |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 564 | P(rt_throttled); |
| 565 | PN(rt_time); |
| 566 | PN(rt_runtime); |
| 567 | |
| 568 | #undef PN |
Daniel Bristot de Oliveira | 48365b3 | 2017-06-26 17:07:14 +0200 | [diff] [blame] | 569 | #undef PU |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 570 | #undef P |
| 571 | } |
| 572 | |
Wanpeng Li | acb3213 | 2014-10-31 06:39:33 +0800 | [diff] [blame] | 573 | void print_dl_rq(struct seq_file *m, int cpu, struct dl_rq *dl_rq) |
| 574 | { |
Steven Rostedt (Red Hat) | ef47718 | 2016-02-22 16:26:52 -0500 | [diff] [blame] | 575 | struct dl_bw *dl_bw; |
| 576 | |
Wanpeng Li | acb3213 | 2014-10-31 06:39:33 +0800 | [diff] [blame] | 577 | SEQ_printf(m, "\ndl_rq[%d]:\n", cpu); |
Daniel Bristot de Oliveira | 48365b3 | 2017-06-26 17:07:14 +0200 | [diff] [blame] | 578 | |
| 579 | #define PU(x) \ |
| 580 | SEQ_printf(m, " .%-30s: %lu\n", #x, (unsigned long)(dl_rq->x)) |
| 581 | |
| 582 | PU(dl_nr_running); |
Steven Rostedt (Red Hat) | ef47718 | 2016-02-22 16:26:52 -0500 | [diff] [blame] | 583 | #ifdef CONFIG_SMP |
Daniel Bristot de Oliveira | 48365b3 | 2017-06-26 17:07:14 +0200 | [diff] [blame] | 584 | PU(dl_nr_migratory); |
Steven Rostedt (Red Hat) | ef47718 | 2016-02-22 16:26:52 -0500 | [diff] [blame] | 585 | dl_bw = &cpu_rq(cpu)->rd->dl_bw; |
| 586 | #else |
| 587 | dl_bw = &dl_rq->dl_bw; |
| 588 | #endif |
| 589 | SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->bw", dl_bw->bw); |
| 590 | SEQ_printf(m, " .%-30s: %lld\n", "dl_bw->total_bw", dl_bw->total_bw); |
Daniel Bristot de Oliveira | 48365b3 | 2017-06-26 17:07:14 +0200 | [diff] [blame] | 591 | |
| 592 | #undef PU |
Wanpeng Li | acb3213 | 2014-10-31 06:39:33 +0800 | [diff] [blame] | 593 | } |
| 594 | |
Peter Zijlstra | 5bb6b1e | 2010-11-19 21:11:09 +0100 | [diff] [blame] | 595 | extern __read_mostly int sched_clock_running; |
| 596 | |
Ingo Molnar | a48da48 | 2007-08-09 11:16:51 +0200 | [diff] [blame] | 597 | static void print_cpu(struct seq_file *m, int cpu) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 598 | { |
Hitoshi Mitake | 348ec61 | 2009-06-17 22:20:55 +0900 | [diff] [blame] | 599 | struct rq *rq = cpu_rq(cpu); |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 600 | unsigned long flags; |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 601 | |
| 602 | #ifdef CONFIG_X86 |
| 603 | { |
| 604 | unsigned int freq = cpu_khz ? : 1; |
| 605 | |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 606 | SEQ_printf(m, "cpu#%d, %u.%03u MHz\n", |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 607 | cpu, freq / 1000, (freq % 1000)); |
| 608 | } |
| 609 | #else |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 610 | SEQ_printf(m, "cpu#%d\n", cpu); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 611 | #endif |
| 612 | |
Peter Zijlstra | 13e099d | 2012-05-14 14:34:00 +0200 | [diff] [blame] | 613 | #define P(x) \ |
| 614 | do { \ |
| 615 | if (sizeof(rq->x) == 4) \ |
| 616 | SEQ_printf(m, " .%-30s: %ld\n", #x, (long)(rq->x)); \ |
| 617 | else \ |
| 618 | SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(rq->x));\ |
| 619 | } while (0) |
| 620 | |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 621 | #define PN(x) \ |
| 622 | SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 623 | |
| 624 | P(nr_running); |
| 625 | SEQ_printf(m, " .%-30s: %lu\n", "load", |
Dmitry Adamushko | 495eca4 | 2007-10-15 17:00:06 +0200 | [diff] [blame] | 626 | rq->load.weight); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 627 | P(nr_switches); |
| 628 | P(nr_load_updates); |
| 629 | P(nr_uninterruptible); |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 630 | PN(next_balance); |
Peter Zijlstra | fc84091 | 2013-09-09 13:01:41 +0200 | [diff] [blame] | 631 | SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr))); |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 632 | PN(clock); |
Peter Zijlstra | 5a53759 | 2015-01-05 11:18:12 +0100 | [diff] [blame] | 633 | PN(clock_task); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 634 | P(cpu_load[0]); |
| 635 | P(cpu_load[1]); |
| 636 | P(cpu_load[2]); |
| 637 | P(cpu_load[3]); |
| 638 | P(cpu_load[4]); |
| 639 | #undef P |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 640 | #undef PN |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 641 | |
Mike Galbraith | 1b9508f | 2009-11-04 17:53:50 +0100 | [diff] [blame] | 642 | #ifdef CONFIG_SMP |
Wanpeng Li | db6ea2f | 2016-05-03 12:38:25 +0800 | [diff] [blame] | 643 | #define P64(n) SEQ_printf(m, " .%-30s: %Ld\n", #n, rq->n); |
Mike Galbraith | 1b9508f | 2009-11-04 17:53:50 +0100 | [diff] [blame] | 644 | P64(avg_idle); |
Alex Shi | 37e6bae | 2014-01-23 18:39:54 +0800 | [diff] [blame] | 645 | P64(max_idle_balance_cost); |
Wanpeng Li | db6ea2f | 2016-05-03 12:38:25 +0800 | [diff] [blame] | 646 | #undef P64 |
Mike Galbraith | 1b9508f | 2009-11-04 17:53:50 +0100 | [diff] [blame] | 647 | #endif |
Peter Zijlstra | 5ac5c4d | 2008-11-10 10:46:32 +0100 | [diff] [blame] | 648 | |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 649 | #define P(n) SEQ_printf(m, " .%-30s: %d\n", #n, schedstat_val(rq->n)); |
Mel Gorman | cb25176 | 2016-02-05 09:08:36 +0000 | [diff] [blame] | 650 | if (schedstat_enabled()) { |
| 651 | P(yld_count); |
| 652 | P(sched_count); |
| 653 | P(sched_goidle); |
| 654 | P(ttwu_count); |
| 655 | P(ttwu_local); |
| 656 | } |
Peter Zijlstra | 5ac5c4d | 2008-11-10 10:46:32 +0100 | [diff] [blame] | 657 | #undef P |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 658 | |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 659 | spin_lock_irqsave(&sched_debug_lock, flags); |
Ingo Molnar | 5cef9ec | 2007-08-09 11:16:47 +0200 | [diff] [blame] | 660 | print_cfs_stats(m, cpu); |
Peter Zijlstra | ada18de | 2008-06-19 14:22:24 +0200 | [diff] [blame] | 661 | print_rt_stats(m, cpu); |
Wanpeng Li | acb3213 | 2014-10-31 06:39:33 +0800 | [diff] [blame] | 662 | print_dl_stats(m, cpu); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 663 | |
Ingo Molnar | a48da48 | 2007-08-09 11:16:51 +0200 | [diff] [blame] | 664 | print_rq(m, rq, cpu); |
Bharata B Rao | efe25c2 | 2011-01-11 15:41:54 +0530 | [diff] [blame] | 665 | spin_unlock_irqrestore(&sched_debug_lock, flags); |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 666 | SEQ_printf(m, "\n"); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 667 | } |
| 668 | |
Christian Ehrhardt | 1983a92 | 2009-11-30 12:16:47 +0100 | [diff] [blame] | 669 | static const char *sched_tunable_scaling_names[] = { |
| 670 | "none", |
| 671 | "logaritmic", |
| 672 | "linear" |
| 673 | }; |
| 674 | |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 675 | static void sched_debug_header(struct seq_file *m) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 676 | { |
Peter Zijlstra | 5bb6b1e | 2010-11-19 21:11:09 +0100 | [diff] [blame] | 677 | u64 ktime, sched_clk, cpu_clk; |
| 678 | unsigned long flags; |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 679 | |
Peter Zijlstra | 5bb6b1e | 2010-11-19 21:11:09 +0100 | [diff] [blame] | 680 | local_irq_save(flags); |
| 681 | ktime = ktime_to_ns(ktime_get()); |
| 682 | sched_clk = sched_clock(); |
| 683 | cpu_clk = local_clock(); |
| 684 | local_irq_restore(flags); |
| 685 | |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 686 | SEQ_printf(m, "Sched Debug Version: v0.11, %s %.*s\n", |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 687 | init_utsname()->release, |
| 688 | (int)strcspn(init_utsname()->version, " "), |
| 689 | init_utsname()->version); |
| 690 | |
Peter Zijlstra | 5bb6b1e | 2010-11-19 21:11:09 +0100 | [diff] [blame] | 691 | #define P(x) \ |
| 692 | SEQ_printf(m, "%-40s: %Ld\n", #x, (long long)(x)) |
| 693 | #define PN(x) \ |
| 694 | SEQ_printf(m, "%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) |
| 695 | PN(ktime); |
| 696 | PN(sched_clk); |
| 697 | PN(cpu_clk); |
| 698 | P(jiffies); |
| 699 | #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK |
Peter Zijlstra | 35af99e | 2013-11-28 19:38:42 +0100 | [diff] [blame] | 700 | P(sched_clock_stable()); |
Peter Zijlstra | 5bb6b1e | 2010-11-19 21:11:09 +0100 | [diff] [blame] | 701 | #endif |
| 702 | #undef PN |
| 703 | #undef P |
| 704 | |
| 705 | SEQ_printf(m, "\n"); |
| 706 | SEQ_printf(m, "sysctl_sched\n"); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 707 | |
Ingo Molnar | 1aa4731 | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 708 | #define P(x) \ |
Ingo Molnar | d822cec | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 709 | SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x)) |
Ingo Molnar | 1aa4731 | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 710 | #define PN(x) \ |
Ingo Molnar | d822cec | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 711 | SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) |
Ingo Molnar | 1aa4731 | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 712 | PN(sysctl_sched_latency); |
Peter Zijlstra | b2be5e9 | 2007-11-09 22:39:37 +0100 | [diff] [blame] | 713 | PN(sysctl_sched_min_granularity); |
Ingo Molnar | 1aa4731 | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 714 | PN(sysctl_sched_wakeup_granularity); |
Josh Hunt | eebef74 | 2010-07-19 12:31:16 -0700 | [diff] [blame] | 715 | P(sysctl_sched_child_runs_first); |
Ingo Molnar | 1aa4731 | 2007-10-15 17:00:10 +0200 | [diff] [blame] | 716 | P(sysctl_sched_features); |
| 717 | #undef PN |
| 718 | #undef P |
| 719 | |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 720 | SEQ_printf(m, " .%-40s: %d (%s)\n", |
| 721 | "sysctl_sched_tunable_scaling", |
Christian Ehrhardt | 1983a92 | 2009-11-30 12:16:47 +0100 | [diff] [blame] | 722 | sysctl_sched_tunable_scaling, |
| 723 | sched_tunable_scaling_names[sysctl_sched_tunable_scaling]); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 724 | SEQ_printf(m, "\n"); |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | static int sched_debug_show(struct seq_file *m, void *v) |
| 728 | { |
| 729 | int cpu = (unsigned long)(v - 2); |
| 730 | |
| 731 | if (cpu != -1) |
| 732 | print_cpu(m, cpu); |
| 733 | else |
| 734 | sched_debug_header(m); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
Peter Zijlstra | 029632f | 2011-10-25 10:00:11 +0200 | [diff] [blame] | 739 | void sysrq_sched_debug_show(void) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 740 | { |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 741 | int cpu; |
| 742 | |
| 743 | sched_debug_header(NULL); |
| 744 | for_each_online_cpu(cpu) |
| 745 | print_cpu(NULL, cpu); |
| 746 | |
| 747 | } |
| 748 | |
| 749 | /* |
| 750 | * This itererator needs some explanation. |
| 751 | * It returns 1 for the header position. |
| 752 | * This means 2 is cpu 0. |
| 753 | * In a hotplugged system some cpus, including cpu 0, may be missing so we have |
| 754 | * to use cpumask_* to iterate over the cpus. |
| 755 | */ |
| 756 | static void *sched_debug_start(struct seq_file *file, loff_t *offset) |
| 757 | { |
| 758 | unsigned long n = *offset; |
| 759 | |
| 760 | if (n == 0) |
| 761 | return (void *) 1; |
| 762 | |
| 763 | n--; |
| 764 | |
| 765 | if (n > 0) |
| 766 | n = cpumask_next(n - 1, cpu_online_mask); |
| 767 | else |
| 768 | n = cpumask_first(cpu_online_mask); |
| 769 | |
| 770 | *offset = n + 1; |
| 771 | |
| 772 | if (n < nr_cpu_ids) |
| 773 | return (void *)(unsigned long)(n + 2); |
| 774 | return NULL; |
| 775 | } |
| 776 | |
| 777 | static void *sched_debug_next(struct seq_file *file, void *data, loff_t *offset) |
| 778 | { |
| 779 | (*offset)++; |
| 780 | return sched_debug_start(file, offset); |
| 781 | } |
| 782 | |
| 783 | static void sched_debug_stop(struct seq_file *file, void *data) |
| 784 | { |
| 785 | } |
| 786 | |
| 787 | static const struct seq_operations sched_debug_sops = { |
| 788 | .start = sched_debug_start, |
| 789 | .next = sched_debug_next, |
| 790 | .stop = sched_debug_stop, |
| 791 | .show = sched_debug_show, |
| 792 | }; |
| 793 | |
| 794 | static int sched_debug_release(struct inode *inode, struct file *file) |
| 795 | { |
| 796 | seq_release(inode, file); |
| 797 | |
| 798 | return 0; |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 799 | } |
| 800 | |
| 801 | static int sched_debug_open(struct inode *inode, struct file *filp) |
| 802 | { |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 803 | int ret = 0; |
| 804 | |
| 805 | ret = seq_open(filp, &sched_debug_sops); |
| 806 | |
| 807 | return ret; |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 808 | } |
| 809 | |
Arjan van de Ven | 0dbee3a | 2007-10-15 17:00:19 +0200 | [diff] [blame] | 810 | static const struct file_operations sched_debug_fops = { |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 811 | .open = sched_debug_open, |
| 812 | .read = seq_read, |
| 813 | .llseek = seq_lseek, |
Nathan Zimmer | bbbfeac | 2013-02-21 15:15:09 -0800 | [diff] [blame] | 814 | .release = sched_debug_release, |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 815 | }; |
| 816 | |
| 817 | static int __init init_sched_debug_procfs(void) |
| 818 | { |
| 819 | struct proc_dir_entry *pe; |
| 820 | |
Li Zefan | a9cf4dd | 2008-10-30 15:23:34 +0800 | [diff] [blame] | 821 | pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 822 | if (!pe) |
| 823 | return -ENOMEM; |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 824 | return 0; |
| 825 | } |
| 826 | |
| 827 | __initcall(init_sched_debug_procfs); |
| 828 | |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 829 | #define __P(F) \ |
| 830 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) |
| 831 | #define P(F) \ |
| 832 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) |
| 833 | #define __PN(F) \ |
| 834 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) |
| 835 | #define PN(F) \ |
| 836 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) |
| 837 | |
| 838 | |
Srikar Dronamraju | 397f237 | 2015-06-25 22:51:43 +0530 | [diff] [blame] | 839 | #ifdef CONFIG_NUMA_BALANCING |
| 840 | void print_numa_stats(struct seq_file *m, int node, unsigned long tsf, |
| 841 | unsigned long tpf, unsigned long gsf, unsigned long gpf) |
| 842 | { |
| 843 | SEQ_printf(m, "numa_faults node=%d ", node); |
| 844 | SEQ_printf(m, "task_private=%lu task_shared=%lu ", tsf, tpf); |
| 845 | SEQ_printf(m, "group_private=%lu group_shared=%lu\n", gsf, gpf); |
| 846 | } |
| 847 | #endif |
| 848 | |
| 849 | |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 850 | static void sched_show_numa(struct task_struct *p, struct seq_file *m) |
| 851 | { |
| 852 | #ifdef CONFIG_NUMA_BALANCING |
| 853 | struct mempolicy *pol; |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 854 | |
| 855 | if (p->mm) |
| 856 | P(mm->numa_scan_seq); |
| 857 | |
| 858 | task_lock(p); |
| 859 | pol = p->mempolicy; |
| 860 | if (pol && !(pol->flags & MPOL_F_MORON)) |
| 861 | pol = NULL; |
| 862 | mpol_get(pol); |
| 863 | task_unlock(p); |
| 864 | |
Srikar Dronamraju | 397f237 | 2015-06-25 22:51:43 +0530 | [diff] [blame] | 865 | P(numa_pages_migrated); |
| 866 | P(numa_preferred_nid); |
| 867 | P(total_numa_faults); |
| 868 | SEQ_printf(m, "current_node=%d, numa_group_id=%d\n", |
| 869 | task_node(p), task_numa_group_id(p)); |
| 870 | show_numa_stats(p, m); |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 871 | mpol_put(pol); |
| 872 | #endif |
| 873 | } |
| 874 | |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 875 | void proc_sched_show_task(struct task_struct *p, struct seq_file *m) |
| 876 | { |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 877 | unsigned long nr_switches; |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 878 | |
Peter Zijlstra | fc84091 | 2013-09-09 13:01:41 +0200 | [diff] [blame] | 879 | SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr(p), |
Oleg Nesterov | 5089a97 | 2010-05-26 14:43:22 -0700 | [diff] [blame] | 880 | get_nr_threads(p)); |
Ingo Molnar | 2d92f22 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 881 | SEQ_printf(m, |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 882 | "---------------------------------------------------------" |
| 883 | "----------\n"); |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 884 | #define __P(F) \ |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 885 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 886 | #define P(F) \ |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 887 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 888 | #define P_SCHEDSTAT(F) \ |
| 889 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F)) |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 890 | #define __PN(F) \ |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 891 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 892 | #define PN(F) \ |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 893 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 894 | #define PN_SCHEDSTAT(F) \ |
| 895 | SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F))) |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 896 | |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 897 | PN(se.exec_start); |
| 898 | PN(se.vruntime); |
| 899 | PN(se.sum_exec_runtime); |
Ingo Molnar | 6cfb0d5 | 2007-08-02 17:41:40 +0200 | [diff] [blame] | 900 | |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 901 | nr_switches = p->nvcsw + p->nivcsw; |
| 902 | |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 903 | P(se.nr_migrations); |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 904 | |
Mel Gorman | cb25176 | 2016-02-05 09:08:36 +0000 | [diff] [blame] | 905 | if (schedstat_enabled()) { |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 906 | u64 avg_atom, avg_per_cpu; |
| 907 | |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 908 | PN_SCHEDSTAT(se.statistics.sum_sleep_runtime); |
| 909 | PN_SCHEDSTAT(se.statistics.wait_start); |
| 910 | PN_SCHEDSTAT(se.statistics.sleep_start); |
| 911 | PN_SCHEDSTAT(se.statistics.block_start); |
| 912 | PN_SCHEDSTAT(se.statistics.sleep_max); |
| 913 | PN_SCHEDSTAT(se.statistics.block_max); |
| 914 | PN_SCHEDSTAT(se.statistics.exec_max); |
| 915 | PN_SCHEDSTAT(se.statistics.slice_max); |
| 916 | PN_SCHEDSTAT(se.statistics.wait_max); |
| 917 | PN_SCHEDSTAT(se.statistics.wait_sum); |
| 918 | P_SCHEDSTAT(se.statistics.wait_count); |
| 919 | PN_SCHEDSTAT(se.statistics.iowait_sum); |
| 920 | P_SCHEDSTAT(se.statistics.iowait_count); |
| 921 | P_SCHEDSTAT(se.statistics.nr_migrations_cold); |
| 922 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_affine); |
| 923 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_running); |
| 924 | P_SCHEDSTAT(se.statistics.nr_failed_migrations_hot); |
| 925 | P_SCHEDSTAT(se.statistics.nr_forced_migrations); |
| 926 | P_SCHEDSTAT(se.statistics.nr_wakeups); |
| 927 | P_SCHEDSTAT(se.statistics.nr_wakeups_sync); |
| 928 | P_SCHEDSTAT(se.statistics.nr_wakeups_migrate); |
| 929 | P_SCHEDSTAT(se.statistics.nr_wakeups_local); |
| 930 | P_SCHEDSTAT(se.statistics.nr_wakeups_remote); |
| 931 | P_SCHEDSTAT(se.statistics.nr_wakeups_affine); |
| 932 | P_SCHEDSTAT(se.statistics.nr_wakeups_affine_attempts); |
| 933 | P_SCHEDSTAT(se.statistics.nr_wakeups_passive); |
| 934 | P_SCHEDSTAT(se.statistics.nr_wakeups_idle); |
Mel Gorman | cb25176 | 2016-02-05 09:08:36 +0000 | [diff] [blame] | 935 | |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 936 | avg_atom = p->se.sum_exec_runtime; |
| 937 | if (nr_switches) |
Mateusz Guzik | b0ab99e | 2014-06-14 15:00:09 +0200 | [diff] [blame] | 938 | avg_atom = div64_ul(avg_atom, nr_switches); |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 939 | else |
| 940 | avg_atom = -1LL; |
| 941 | |
| 942 | avg_per_cpu = p->se.sum_exec_runtime; |
Ingo Molnar | c1a8974 | 2007-11-28 15:52:56 +0100 | [diff] [blame] | 943 | if (p->se.nr_migrations) { |
Roman Zippel | 6f6d6a1 | 2008-05-01 04:34:28 -0700 | [diff] [blame] | 944 | avg_per_cpu = div64_u64(avg_per_cpu, |
| 945 | p->se.nr_migrations); |
Ingo Molnar | c1a8974 | 2007-11-28 15:52:56 +0100 | [diff] [blame] | 946 | } else { |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 947 | avg_per_cpu = -1LL; |
Ingo Molnar | c1a8974 | 2007-11-28 15:52:56 +0100 | [diff] [blame] | 948 | } |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 949 | |
| 950 | __PN(avg_atom); |
| 951 | __PN(avg_per_cpu); |
| 952 | } |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 953 | |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 954 | __P(nr_switches); |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 955 | SEQ_printf(m, "%-45s:%21Ld\n", |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 956 | "nr_voluntary_switches", (long long)p->nvcsw); |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 957 | SEQ_printf(m, "%-45s:%21Ld\n", |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 958 | "nr_involuntary_switches", (long long)p->nivcsw); |
| 959 | |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 960 | P(se.load.weight); |
Alex Shi | 333bb86 | 2013-06-28 19:10:35 +0800 | [diff] [blame] | 961 | #ifdef CONFIG_SMP |
Yuyang Du | 9d89c25 | 2015-07-15 08:04:37 +0800 | [diff] [blame] | 962 | P(se.avg.load_sum); |
| 963 | P(se.avg.util_sum); |
| 964 | P(se.avg.load_avg); |
| 965 | P(se.avg.util_avg); |
| 966 | P(se.avg.last_update_time); |
Kamalesh Babulal | 939fd73 | 2013-06-25 13:33:36 +0530 | [diff] [blame] | 967 | #endif |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 968 | P(policy); |
| 969 | P(prio); |
Tommaso Cucinotta | 59f8c29 | 2016-10-26 11:17:17 +0200 | [diff] [blame] | 970 | if (p->policy == SCHED_DEADLINE) { |
| 971 | P(dl.runtime); |
| 972 | P(dl.deadline); |
| 973 | } |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 974 | #undef PN_SCHEDSTAT |
Ingo Molnar | ef83a57 | 2007-10-15 17:00:08 +0200 | [diff] [blame] | 975 | #undef PN |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 976 | #undef __PN |
Josh Poimboeuf | 4fa8d29 | 2016-06-17 12:43:26 -0500 | [diff] [blame] | 977 | #undef P_SCHEDSTAT |
Ingo Molnar | cc36773 | 2007-10-15 17:00:18 +0200 | [diff] [blame] | 978 | #undef P |
| 979 | #undef __P |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 980 | |
| 981 | { |
Ingo Molnar | 29d7b90 | 2008-11-16 08:07:15 +0100 | [diff] [blame] | 982 | unsigned int this_cpu = raw_smp_processor_id(); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 983 | u64 t0, t1; |
| 984 | |
Ingo Molnar | 29d7b90 | 2008-11-16 08:07:15 +0100 | [diff] [blame] | 985 | t0 = cpu_clock(this_cpu); |
| 986 | t1 = cpu_clock(this_cpu); |
Kamalesh Babulal | add332a | 2013-06-27 22:20:05 +0530 | [diff] [blame] | 987 | SEQ_printf(m, "%-45s:%21Ld\n", |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 988 | "clock-delta", (long long)(t1-t0)); |
| 989 | } |
Ingo Molnar | b32e86b | 2013-10-07 11:29:30 +0100 | [diff] [blame] | 990 | |
| 991 | sched_show_numa(p, m); |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 992 | } |
| 993 | |
| 994 | void proc_sched_set_task(struct task_struct *p) |
| 995 | { |
Ingo Molnar | 6cfb0d5 | 2007-08-02 17:41:40 +0200 | [diff] [blame] | 996 | #ifdef CONFIG_SCHEDSTATS |
Lucas De Marchi | 41acab8 | 2010-03-10 23:37:45 -0300 | [diff] [blame] | 997 | memset(&p->se.statistics, 0, sizeof(p->se.statistics)); |
Ingo Molnar | 6cfb0d5 | 2007-08-02 17:41:40 +0200 | [diff] [blame] | 998 | #endif |
Ingo Molnar | 43ae34c | 2007-07-09 18:52:00 +0200 | [diff] [blame] | 999 | } |