1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0 2 /* 2 /* 3 * builtin-kwork.c 3 * builtin-kwork.c 4 * 4 * 5 * Copyright (c) 2022 Huawei Inc, Yang Jihon 5 * Copyright (c) 2022 Huawei Inc, Yang Jihong <yangjihong1@huawei.com> 6 */ 6 */ 7 7 8 #include "builtin.h" 8 #include "builtin.h" 9 9 10 #include "util/data.h" 10 #include "util/data.h" 11 #include "util/evlist.h" 11 #include "util/evlist.h" 12 #include "util/evsel.h" 12 #include "util/evsel.h" 13 #include "util/header.h" 13 #include "util/header.h" 14 #include "util/kwork.h" 14 #include "util/kwork.h" 15 #include "util/debug.h" 15 #include "util/debug.h" 16 #include "util/session.h" 16 #include "util/session.h" 17 #include "util/symbol.h" 17 #include "util/symbol.h" 18 #include "util/thread.h" 18 #include "util/thread.h" 19 #include "util/string2.h" 19 #include "util/string2.h" 20 #include "util/callchain.h" 20 #include "util/callchain.h" 21 #include "util/evsel_fprintf.h" 21 #include "util/evsel_fprintf.h" 22 #include "util/util.h" 22 #include "util/util.h" 23 23 24 #include <subcmd/pager.h> 24 #include <subcmd/pager.h> 25 #include <subcmd/parse-options.h> 25 #include <subcmd/parse-options.h> 26 #include <traceevent/event-parse.h> 26 #include <traceevent/event-parse.h> 27 27 28 #include <errno.h> 28 #include <errno.h> 29 #include <inttypes.h> 29 #include <inttypes.h> 30 #include <signal.h> 30 #include <signal.h> 31 #include <linux/err.h> 31 #include <linux/err.h> 32 #include <linux/time64.h> 32 #include <linux/time64.h> 33 #include <linux/zalloc.h> 33 #include <linux/zalloc.h> 34 34 35 /* 35 /* 36 * report header elements width 36 * report header elements width 37 */ 37 */ 38 #define PRINT_CPU_WIDTH 4 38 #define PRINT_CPU_WIDTH 4 39 #define PRINT_COUNT_WIDTH 9 39 #define PRINT_COUNT_WIDTH 9 40 #define PRINT_RUNTIME_WIDTH 10 40 #define PRINT_RUNTIME_WIDTH 10 41 #define PRINT_LATENCY_WIDTH 10 41 #define PRINT_LATENCY_WIDTH 10 42 #define PRINT_TIMESTAMP_WIDTH 17 42 #define PRINT_TIMESTAMP_WIDTH 17 43 #define PRINT_KWORK_NAME_WIDTH 30 43 #define PRINT_KWORK_NAME_WIDTH 30 44 #define RPINT_DECIMAL_WIDTH 3 44 #define RPINT_DECIMAL_WIDTH 3 45 #define PRINT_BRACKETPAIR_WIDTH 2 45 #define PRINT_BRACKETPAIR_WIDTH 2 46 #define PRINT_TIME_UNIT_SEC_WIDTH 2 46 #define PRINT_TIME_UNIT_SEC_WIDTH 2 47 #define PRINT_TIME_UNIT_MESC_WIDTH 3 47 #define PRINT_TIME_UNIT_MESC_WIDTH 3 48 #define PRINT_PID_WIDTH 7 << 49 #define PRINT_TASK_NAME_WIDTH 16 << 50 #define PRINT_CPU_USAGE_WIDTH 6 << 51 #define PRINT_CPU_USAGE_DECIMAL_WIDTH 2 << 52 #define PRINT_CPU_USAGE_HIST_WIDTH 30 << 53 #define PRINT_RUNTIME_HEADER_WIDTH (PRINT_RUNT 48 #define PRINT_RUNTIME_HEADER_WIDTH (PRINT_RUNTIME_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH) 54 #define PRINT_LATENCY_HEADER_WIDTH (PRINT_LATE 49 #define PRINT_LATENCY_HEADER_WIDTH (PRINT_LATENCY_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH) 55 #define PRINT_TIMEHIST_CPU_WIDTH (PRINT_CPU_WI 50 #define PRINT_TIMEHIST_CPU_WIDTH (PRINT_CPU_WIDTH + PRINT_BRACKETPAIR_WIDTH) 56 #define PRINT_TIMESTAMP_HEADER_WIDTH (PRINT_TI 51 #define PRINT_TIMESTAMP_HEADER_WIDTH (PRINT_TIMESTAMP_WIDTH + PRINT_TIME_UNIT_SEC_WIDTH) 57 52 58 struct sort_dimension { 53 struct sort_dimension { 59 const char *name; 54 const char *name; 60 int (*cmp)(struct kwork_wo 55 int (*cmp)(struct kwork_work *l, struct kwork_work *r); 61 struct list_head list; 56 struct list_head list; 62 }; 57 }; 63 58 64 static int id_cmp(struct kwork_work *l, struct 59 static int id_cmp(struct kwork_work *l, struct kwork_work *r) 65 { 60 { 66 if (l->cpu > r->cpu) 61 if (l->cpu > r->cpu) 67 return 1; 62 return 1; 68 if (l->cpu < r->cpu) 63 if (l->cpu < r->cpu) 69 return -1; 64 return -1; 70 65 71 if (l->id > r->id) 66 if (l->id > r->id) 72 return 1; 67 return 1; 73 if (l->id < r->id) 68 if (l->id < r->id) 74 return -1; 69 return -1; 75 70 76 return 0; 71 return 0; 77 } 72 } 78 73 79 static int count_cmp(struct kwork_work *l, str 74 static int count_cmp(struct kwork_work *l, struct kwork_work *r) 80 { 75 { 81 if (l->nr_atoms > r->nr_atoms) 76 if (l->nr_atoms > r->nr_atoms) 82 return 1; 77 return 1; 83 if (l->nr_atoms < r->nr_atoms) 78 if (l->nr_atoms < r->nr_atoms) 84 return -1; 79 return -1; 85 80 86 return 0; 81 return 0; 87 } 82 } 88 83 89 static int runtime_cmp(struct kwork_work *l, s 84 static int runtime_cmp(struct kwork_work *l, struct kwork_work *r) 90 { 85 { 91 if (l->total_runtime > r->total_runtim 86 if (l->total_runtime > r->total_runtime) 92 return 1; 87 return 1; 93 if (l->total_runtime < r->total_runtim 88 if (l->total_runtime < r->total_runtime) 94 return -1; 89 return -1; 95 90 96 return 0; 91 return 0; 97 } 92 } 98 93 99 static int max_runtime_cmp(struct kwork_work * 94 static int max_runtime_cmp(struct kwork_work *l, struct kwork_work *r) 100 { 95 { 101 if (l->max_runtime > r->max_runtime) 96 if (l->max_runtime > r->max_runtime) 102 return 1; 97 return 1; 103 if (l->max_runtime < r->max_runtime) 98 if (l->max_runtime < r->max_runtime) 104 return -1; 99 return -1; 105 100 106 return 0; 101 return 0; 107 } 102 } 108 103 109 static int avg_latency_cmp(struct kwork_work * 104 static int avg_latency_cmp(struct kwork_work *l, struct kwork_work *r) 110 { 105 { 111 u64 avgl, avgr; 106 u64 avgl, avgr; 112 107 113 if (!r->nr_atoms) 108 if (!r->nr_atoms) 114 return 1; 109 return 1; 115 if (!l->nr_atoms) 110 if (!l->nr_atoms) 116 return -1; 111 return -1; 117 112 118 avgl = l->total_latency / l->nr_atoms; 113 avgl = l->total_latency / l->nr_atoms; 119 avgr = r->total_latency / r->nr_atoms; 114 avgr = r->total_latency / r->nr_atoms; 120 115 121 if (avgl > avgr) 116 if (avgl > avgr) 122 return 1; 117 return 1; 123 if (avgl < avgr) 118 if (avgl < avgr) 124 return -1; 119 return -1; 125 120 126 return 0; 121 return 0; 127 } 122 } 128 123 129 static int max_latency_cmp(struct kwork_work * 124 static int max_latency_cmp(struct kwork_work *l, struct kwork_work *r) 130 { 125 { 131 if (l->max_latency > r->max_latency) 126 if (l->max_latency > r->max_latency) 132 return 1; 127 return 1; 133 if (l->max_latency < r->max_latency) 128 if (l->max_latency < r->max_latency) 134 return -1; 129 return -1; 135 130 136 return 0; 131 return 0; 137 } 132 } 138 133 139 static int cpu_usage_cmp(struct kwork_work *l, << 140 { << 141 if (l->cpu_usage > r->cpu_usage) << 142 return 1; << 143 if (l->cpu_usage < r->cpu_usage) << 144 return -1; << 145 << 146 return 0; << 147 } << 148 << 149 static int id_or_cpu_r_cmp(struct kwork_work * << 150 { << 151 if (l->id < r->id) << 152 return 1; << 153 if (l->id > r->id) << 154 return -1; << 155 << 156 if (l->id != 0) << 157 return 0; << 158 << 159 if (l->cpu < r->cpu) << 160 return 1; << 161 if (l->cpu > r->cpu) << 162 return -1; << 163 << 164 return 0; << 165 } << 166 << 167 static int sort_dimension__add(struct perf_kwo 134 static int sort_dimension__add(struct perf_kwork *kwork __maybe_unused, 168 const char *tok 135 const char *tok, struct list_head *list) 169 { 136 { 170 size_t i; 137 size_t i; 171 static struct sort_dimension max_sort_ 138 static struct sort_dimension max_sort_dimension = { 172 .name = "max", 139 .name = "max", 173 .cmp = max_runtime_cmp, 140 .cmp = max_runtime_cmp, 174 }; 141 }; 175 static struct sort_dimension id_sort_d 142 static struct sort_dimension id_sort_dimension = { 176 .name = "id", 143 .name = "id", 177 .cmp = id_cmp, 144 .cmp = id_cmp, 178 }; 145 }; 179 static struct sort_dimension runtime_s 146 static struct sort_dimension runtime_sort_dimension = { 180 .name = "runtime", 147 .name = "runtime", 181 .cmp = runtime_cmp, 148 .cmp = runtime_cmp, 182 }; 149 }; 183 static struct sort_dimension count_sor 150 static struct sort_dimension count_sort_dimension = { 184 .name = "count", 151 .name = "count", 185 .cmp = count_cmp, 152 .cmp = count_cmp, 186 }; 153 }; 187 static struct sort_dimension avg_sort_ 154 static struct sort_dimension avg_sort_dimension = { 188 .name = "avg", 155 .name = "avg", 189 .cmp = avg_latency_cmp, 156 .cmp = avg_latency_cmp, 190 }; 157 }; 191 static struct sort_dimension rate_sort << 192 .name = "rate", << 193 .cmp = cpu_usage_cmp, << 194 }; << 195 static struct sort_dimension tid_sort_ << 196 .name = "tid", << 197 .cmp = id_or_cpu_r_cmp, << 198 }; << 199 struct sort_dimension *available_sorts 158 struct sort_dimension *available_sorts[] = { 200 &id_sort_dimension, 159 &id_sort_dimension, 201 &max_sort_dimension, 160 &max_sort_dimension, 202 &count_sort_dimension, 161 &count_sort_dimension, 203 &runtime_sort_dimension, 162 &runtime_sort_dimension, 204 &avg_sort_dimension, 163 &avg_sort_dimension, 205 &rate_sort_dimension, << 206 &tid_sort_dimension, << 207 }; 164 }; 208 165 209 if (kwork->report == KWORK_REPORT_LATE 166 if (kwork->report == KWORK_REPORT_LATENCY) 210 max_sort_dimension.cmp = max_l 167 max_sort_dimension.cmp = max_latency_cmp; 211 168 212 for (i = 0; i < ARRAY_SIZE(available_s 169 for (i = 0; i < ARRAY_SIZE(available_sorts); i++) { 213 if (!strcmp(available_sorts[i] 170 if (!strcmp(available_sorts[i]->name, tok)) { 214 list_add_tail(&availab 171 list_add_tail(&available_sorts[i]->list, list); 215 return 0; 172 return 0; 216 } 173 } 217 } 174 } 218 175 219 return -1; 176 return -1; 220 } 177 } 221 178 222 static void setup_sorting(struct perf_kwork *k 179 static void setup_sorting(struct perf_kwork *kwork, 223 const struct option 180 const struct option *options, 224 const char * const u 181 const char * const usage_msg[]) 225 { 182 { 226 char *tmp, *tok, *str = strdup(kwork-> 183 char *tmp, *tok, *str = strdup(kwork->sort_order); 227 184 228 for (tok = strtok_r(str, ", ", &tmp); 185 for (tok = strtok_r(str, ", ", &tmp); 229 tok; tok = strtok_r(NULL, ", ", & 186 tok; tok = strtok_r(NULL, ", ", &tmp)) { 230 if (sort_dimension__add(kwork, 187 if (sort_dimension__add(kwork, tok, &kwork->sort_list) < 0) 231 usage_with_options_msg 188 usage_with_options_msg(usage_msg, options, 232 189 "Unknown --sort key: `%s'", tok); 233 } 190 } 234 191 235 pr_debug("Sort order: %s\n", kwork->so 192 pr_debug("Sort order: %s\n", kwork->sort_order); 236 free(str); 193 free(str); 237 } 194 } 238 195 239 static struct kwork_atom *atom_new(struct perf 196 static struct kwork_atom *atom_new(struct perf_kwork *kwork, 240 struct perf 197 struct perf_sample *sample) 241 { 198 { 242 unsigned long i; 199 unsigned long i; 243 struct kwork_atom_page *page; 200 struct kwork_atom_page *page; 244 struct kwork_atom *atom = NULL; 201 struct kwork_atom *atom = NULL; 245 202 246 list_for_each_entry(page, &kwork->atom 203 list_for_each_entry(page, &kwork->atom_page_list, list) { 247 if (!bitmap_full(page->bitmap, 204 if (!bitmap_full(page->bitmap, NR_ATOM_PER_PAGE)) { 248 i = find_first_zero_bi 205 i = find_first_zero_bit(page->bitmap, NR_ATOM_PER_PAGE); 249 BUG_ON(i >= NR_ATOM_PE 206 BUG_ON(i >= NR_ATOM_PER_PAGE); 250 atom = &page->atoms[i] 207 atom = &page->atoms[i]; 251 goto found_atom; 208 goto found_atom; 252 } 209 } 253 } 210 } 254 211 255 /* 212 /* 256 * new page 213 * new page 257 */ 214 */ 258 page = zalloc(sizeof(*page)); 215 page = zalloc(sizeof(*page)); 259 if (page == NULL) { 216 if (page == NULL) { 260 pr_err("Failed to zalloc kwork 217 pr_err("Failed to zalloc kwork atom page\n"); 261 return NULL; 218 return NULL; 262 } 219 } 263 220 264 i = 0; 221 i = 0; 265 atom = &page->atoms[0]; 222 atom = &page->atoms[0]; 266 list_add_tail(&page->list, &kwork->ato 223 list_add_tail(&page->list, &kwork->atom_page_list); 267 224 268 found_atom: 225 found_atom: 269 __set_bit(i, page->bitmap); 226 __set_bit(i, page->bitmap); 270 atom->time = sample->time; 227 atom->time = sample->time; 271 atom->prev = NULL; 228 atom->prev = NULL; 272 atom->page_addr = page; 229 atom->page_addr = page; 273 atom->bit_inpage = i; 230 atom->bit_inpage = i; 274 return atom; 231 return atom; 275 } 232 } 276 233 277 static void atom_free(struct kwork_atom *atom) 234 static void atom_free(struct kwork_atom *atom) 278 { 235 { 279 if (atom->prev != NULL) 236 if (atom->prev != NULL) 280 atom_free(atom->prev); 237 atom_free(atom->prev); 281 238 282 __clear_bit(atom->bit_inpage, 239 __clear_bit(atom->bit_inpage, 283 ((struct kwork_atom_page * 240 ((struct kwork_atom_page *)atom->page_addr)->bitmap); 284 } 241 } 285 242 286 static void atom_del(struct kwork_atom *atom) 243 static void atom_del(struct kwork_atom *atom) 287 { 244 { 288 list_del(&atom->list); 245 list_del(&atom->list); 289 atom_free(atom); 246 atom_free(atom); 290 } 247 } 291 248 292 static int work_cmp(struct list_head *list, 249 static int work_cmp(struct list_head *list, 293 struct kwork_work *l, stru 250 struct kwork_work *l, struct kwork_work *r) 294 { 251 { 295 int ret = 0; 252 int ret = 0; 296 struct sort_dimension *sort; 253 struct sort_dimension *sort; 297 254 298 BUG_ON(list_empty(list)); 255 BUG_ON(list_empty(list)); 299 256 300 list_for_each_entry(sort, list, list) 257 list_for_each_entry(sort, list, list) { 301 ret = sort->cmp(l, r); 258 ret = sort->cmp(l, r); 302 if (ret) 259 if (ret) 303 return ret; 260 return ret; 304 } 261 } 305 262 306 return ret; 263 return ret; 307 } 264 } 308 265 309 static struct kwork_work *work_search(struct r 266 static struct kwork_work *work_search(struct rb_root_cached *root, 310 struct k 267 struct kwork_work *key, 311 struct l 268 struct list_head *sort_list) 312 { 269 { 313 int cmp; 270 int cmp; 314 struct kwork_work *work; 271 struct kwork_work *work; 315 struct rb_node *node = root->rb_root.r 272 struct rb_node *node = root->rb_root.rb_node; 316 273 317 while (node) { 274 while (node) { 318 work = container_of(node, stru 275 work = container_of(node, struct kwork_work, node); 319 cmp = work_cmp(sort_list, key, 276 cmp = work_cmp(sort_list, key, work); 320 if (cmp > 0) 277 if (cmp > 0) 321 node = node->rb_left; 278 node = node->rb_left; 322 else if (cmp < 0) 279 else if (cmp < 0) 323 node = node->rb_right; 280 node = node->rb_right; 324 else { 281 else { 325 if (work->name == NULL 282 if (work->name == NULL) 326 work->name = k 283 work->name = key->name; 327 return work; 284 return work; 328 } 285 } 329 } 286 } 330 return NULL; 287 return NULL; 331 } 288 } 332 289 333 static void work_insert(struct rb_root_cached 290 static void work_insert(struct rb_root_cached *root, 334 struct kwork_work *key 291 struct kwork_work *key, struct list_head *sort_list) 335 { 292 { 336 int cmp; 293 int cmp; 337 bool leftmost = true; 294 bool leftmost = true; 338 struct kwork_work *cur; 295 struct kwork_work *cur; 339 struct rb_node **new = &(root->rb_root 296 struct rb_node **new = &(root->rb_root.rb_node), *parent = NULL; 340 297 341 while (*new) { 298 while (*new) { 342 cur = container_of(*new, struc 299 cur = container_of(*new, struct kwork_work, node); 343 parent = *new; 300 parent = *new; 344 cmp = work_cmp(sort_list, key, 301 cmp = work_cmp(sort_list, key, cur); 345 302 346 if (cmp > 0) 303 if (cmp > 0) 347 new = &((*new)->rb_lef 304 new = &((*new)->rb_left); 348 else { 305 else { 349 new = &((*new)->rb_rig 306 new = &((*new)->rb_right); 350 leftmost = false; 307 leftmost = false; 351 } 308 } 352 } 309 } 353 310 354 rb_link_node(&key->node, parent, new); 311 rb_link_node(&key->node, parent, new); 355 rb_insert_color_cached(&key->node, roo 312 rb_insert_color_cached(&key->node, root, leftmost); 356 } 313 } 357 314 358 static struct kwork_work *work_new(struct kwor 315 static struct kwork_work *work_new(struct kwork_work *key) 359 { 316 { 360 int i; 317 int i; 361 struct kwork_work *work = zalloc(sizeo 318 struct kwork_work *work = zalloc(sizeof(*work)); 362 319 363 if (work == NULL) { 320 if (work == NULL) { 364 pr_err("Failed to zalloc kwork 321 pr_err("Failed to zalloc kwork work\n"); 365 return NULL; 322 return NULL; 366 } 323 } 367 324 368 for (i = 0; i < KWORK_TRACE_MAX; i++) 325 for (i = 0; i < KWORK_TRACE_MAX; i++) 369 INIT_LIST_HEAD(&work->atom_lis 326 INIT_LIST_HEAD(&work->atom_list[i]); 370 327 371 work->id = key->id; 328 work->id = key->id; 372 work->cpu = key->cpu; 329 work->cpu = key->cpu; 373 work->name = key->name; 330 work->name = key->name; 374 work->class = key->class; 331 work->class = key->class; 375 return work; 332 return work; 376 } 333 } 377 334 378 static struct kwork_work *work_findnew(struct 335 static struct kwork_work *work_findnew(struct rb_root_cached *root, 379 struct 336 struct kwork_work *key, 380 struct 337 struct list_head *sort_list) 381 { 338 { 382 struct kwork_work *work = work_search( 339 struct kwork_work *work = work_search(root, key, sort_list); 383 340 384 if (work != NULL) 341 if (work != NULL) 385 return work; 342 return work; 386 343 387 work = work_new(key); 344 work = work_new(key); 388 if (work) 345 if (work) 389 work_insert(root, work, sort_l 346 work_insert(root, work, sort_list); 390 347 391 return work; 348 return work; 392 } 349 } 393 350 394 static void profile_update_timespan(struct per 351 static void profile_update_timespan(struct perf_kwork *kwork, 395 struct per 352 struct perf_sample *sample) 396 { 353 { 397 if (!kwork->summary) 354 if (!kwork->summary) 398 return; 355 return; 399 356 400 if ((kwork->timestart == 0) || (kwork- 357 if ((kwork->timestart == 0) || (kwork->timestart > sample->time)) 401 kwork->timestart = sample->tim 358 kwork->timestart = sample->time; 402 359 403 if (kwork->timeend < sample->time) 360 if (kwork->timeend < sample->time) 404 kwork->timeend = sample->time; 361 kwork->timeend = sample->time; 405 } 362 } 406 363 407 static bool profile_name_match(struct perf_kwo << 408 struct kwork_wo << 409 { << 410 if (kwork->profile_name && work->name << 411 (strcmp(work->name, kwork->profile << 412 return false; << 413 } << 414 << 415 return true; << 416 } << 417 << 418 static bool profile_event_match(struct perf_kw 364 static bool profile_event_match(struct perf_kwork *kwork, 419 struct kwork_w 365 struct kwork_work *work, 420 struct perf_sa 366 struct perf_sample *sample) 421 { 367 { 422 int cpu = work->cpu; 368 int cpu = work->cpu; 423 u64 time = sample->time; 369 u64 time = sample->time; 424 struct perf_time_interval *ptime = &kw 370 struct perf_time_interval *ptime = &kwork->ptime; 425 371 426 if ((kwork->cpu_list != NULL) && !test 372 if ((kwork->cpu_list != NULL) && !test_bit(cpu, kwork->cpu_bitmap)) 427 return false; 373 return false; 428 374 429 if (((ptime->start != 0) && (ptime->st 375 if (((ptime->start != 0) && (ptime->start > time)) || 430 ((ptime->end != 0) && (ptime->end 376 ((ptime->end != 0) && (ptime->end < time))) 431 return false; 377 return false; 432 378 433 /* !! 379 if ((kwork->profile_name != NULL) && 434 * report top needs to collect the run !! 380 (work->name != NULL) && 435 * calculate the load of each core. !! 381 (strcmp(work->name, kwork->profile_name) != 0)) 436 */ << 437 if ((kwork->report != KWORK_REPORT_TOP << 438 !profile_name_match(kwork, work)) << 439 return false; 382 return false; 440 } << 441 383 442 profile_update_timespan(kwork, sample) 384 profile_update_timespan(kwork, sample); 443 return true; 385 return true; 444 } 386 } 445 387 446 static int work_push_atom(struct perf_kwork *k 388 static int work_push_atom(struct perf_kwork *kwork, 447 struct kwork_class * 389 struct kwork_class *class, 448 enum kwork_trace_typ 390 enum kwork_trace_type src_type, 449 enum kwork_trace_typ 391 enum kwork_trace_type dst_type, 450 struct evsel *evsel, 392 struct evsel *evsel, 451 struct perf_sample * 393 struct perf_sample *sample, 452 struct machine *mach 394 struct machine *machine, 453 struct kwork_work ** !! 395 struct kwork_work **ret_work) 454 bool overwrite) << 455 { 396 { 456 struct kwork_atom *atom, *dst_atom, *l !! 397 struct kwork_atom *atom, *dst_atom; 457 struct kwork_work *work, key; 398 struct kwork_work *work, key; 458 399 459 BUG_ON(class->work_init == NULL); 400 BUG_ON(class->work_init == NULL); 460 class->work_init(kwork, class, &key, s !! 401 class->work_init(class, &key, evsel, sample, machine); 461 402 462 atom = atom_new(kwork, sample); 403 atom = atom_new(kwork, sample); 463 if (atom == NULL) 404 if (atom == NULL) 464 return -1; 405 return -1; 465 406 466 work = work_findnew(&class->work_root, 407 work = work_findnew(&class->work_root, &key, &kwork->cmp_id); 467 if (work == NULL) { 408 if (work == NULL) { 468 atom_free(atom); 409 atom_free(atom); 469 return -1; 410 return -1; 470 } 411 } 471 412 472 if (!profile_event_match(kwork, work, 413 if (!profile_event_match(kwork, work, sample)) { 473 atom_free(atom); 414 atom_free(atom); 474 return 0; 415 return 0; 475 } 416 } 476 417 477 if (dst_type < KWORK_TRACE_MAX) { 418 if (dst_type < KWORK_TRACE_MAX) { 478 dst_atom = list_last_entry_or_ 419 dst_atom = list_last_entry_or_null(&work->atom_list[dst_type], 479 420 struct kwork_atom, list); 480 if (dst_atom != NULL) { 421 if (dst_atom != NULL) { 481 atom->prev = dst_atom; 422 atom->prev = dst_atom; 482 list_del(&dst_atom->li 423 list_del(&dst_atom->list); 483 } 424 } 484 } 425 } 485 426 486 if (ret_work != NULL) 427 if (ret_work != NULL) 487 *ret_work = work; 428 *ret_work = work; 488 429 489 if (overwrite) { << 490 last_atom = list_last_entry_or << 491 << 492 if (last_atom) { << 493 atom_del(last_atom); << 494 << 495 kwork->nr_skipped_even << 496 kwork->nr_skipped_even << 497 } << 498 } << 499 << 500 list_add_tail(&atom->list, &work->atom 430 list_add_tail(&atom->list, &work->atom_list[src_type]); 501 431 502 return 0; 432 return 0; 503 } 433 } 504 434 505 static struct kwork_atom *work_pop_atom(struct 435 static struct kwork_atom *work_pop_atom(struct perf_kwork *kwork, 506 struct 436 struct kwork_class *class, 507 enum k 437 enum kwork_trace_type src_type, 508 enum k 438 enum kwork_trace_type dst_type, 509 struct 439 struct evsel *evsel, 510 struct 440 struct perf_sample *sample, 511 struct 441 struct machine *machine, 512 struct 442 struct kwork_work **ret_work) 513 { 443 { 514 struct kwork_atom *atom, *src_atom; 444 struct kwork_atom *atom, *src_atom; 515 struct kwork_work *work, key; 445 struct kwork_work *work, key; 516 446 517 BUG_ON(class->work_init == NULL); 447 BUG_ON(class->work_init == NULL); 518 class->work_init(kwork, class, &key, s !! 448 class->work_init(class, &key, evsel, sample, machine); 519 449 520 work = work_findnew(&class->work_root, 450 work = work_findnew(&class->work_root, &key, &kwork->cmp_id); 521 if (ret_work != NULL) 451 if (ret_work != NULL) 522 *ret_work = work; 452 *ret_work = work; 523 453 524 if (work == NULL) 454 if (work == NULL) 525 return NULL; 455 return NULL; 526 456 527 if (!profile_event_match(kwork, work, 457 if (!profile_event_match(kwork, work, sample)) 528 return NULL; 458 return NULL; 529 459 530 atom = list_last_entry_or_null(&work-> 460 atom = list_last_entry_or_null(&work->atom_list[dst_type], 531 struct 461 struct kwork_atom, list); 532 if (atom != NULL) 462 if (atom != NULL) 533 return atom; 463 return atom; 534 464 535 src_atom = atom_new(kwork, sample); 465 src_atom = atom_new(kwork, sample); 536 if (src_atom != NULL) 466 if (src_atom != NULL) 537 list_add_tail(&src_atom->list, 467 list_add_tail(&src_atom->list, &work->atom_list[src_type]); 538 else { 468 else { 539 if (ret_work != NULL) 469 if (ret_work != NULL) 540 *ret_work = NULL; 470 *ret_work = NULL; 541 } 471 } 542 472 543 return NULL; 473 return NULL; 544 } 474 } 545 475 546 static struct kwork_work *find_work_by_id(stru << 547 u64 << 548 { << 549 struct rb_node *next; << 550 struct kwork_work *work; << 551 << 552 next = rb_first_cached(root); << 553 while (next) { << 554 work = rb_entry(next, struct k << 555 if ((cpu != -1 && work->id == << 556 (cpu == -1 && work->id == << 557 return work; << 558 << 559 next = rb_next(next); << 560 } << 561 << 562 return NULL; << 563 } << 564 << 565 static struct kwork_class *get_kwork_class(str << 566 enu << 567 { << 568 struct kwork_class *class; << 569 << 570 list_for_each_entry(class, &kwork->cla << 571 if (class->type == type) << 572 return class; << 573 } << 574 << 575 return NULL; << 576 } << 577 << 578 static void report_update_exit_event(struct kw 476 static void report_update_exit_event(struct kwork_work *work, 579 struct kw 477 struct kwork_atom *atom, 580 struct pe 478 struct perf_sample *sample) 581 { 479 { 582 u64 delta; 480 u64 delta; 583 u64 exit_time = sample->time; 481 u64 exit_time = sample->time; 584 u64 entry_time = atom->time; 482 u64 entry_time = atom->time; 585 483 586 if ((entry_time != 0) && (exit_time >= 484 if ((entry_time != 0) && (exit_time >= entry_time)) { 587 delta = exit_time - entry_time 485 delta = exit_time - entry_time; 588 if ((delta > work->max_runtime 486 if ((delta > work->max_runtime) || 589 (work->max_runtime == 0)) 487 (work->max_runtime == 0)) { 590 work->max_runtime = de 488 work->max_runtime = delta; 591 work->max_runtime_star 489 work->max_runtime_start = entry_time; 592 work->max_runtime_end 490 work->max_runtime_end = exit_time; 593 } 491 } 594 work->total_runtime += delta; 492 work->total_runtime += delta; 595 work->nr_atoms++; 493 work->nr_atoms++; 596 } 494 } 597 } 495 } 598 496 599 static int report_entry_event(struct perf_kwor 497 static int report_entry_event(struct perf_kwork *kwork, 600 struct kwork_cla 498 struct kwork_class *class, 601 struct evsel *ev 499 struct evsel *evsel, 602 struct perf_samp 500 struct perf_sample *sample, 603 struct machine * 501 struct machine *machine) 604 { 502 { 605 return work_push_atom(kwork, class, KW 503 return work_push_atom(kwork, class, KWORK_TRACE_ENTRY, 606 KWORK_TRACE_MAX, 504 KWORK_TRACE_MAX, evsel, sample, 607 machine, NULL, t !! 505 machine, NULL); 608 } 506 } 609 507 610 static int report_exit_event(struct perf_kwork 508 static int report_exit_event(struct perf_kwork *kwork, 611 struct kwork_clas 509 struct kwork_class *class, 612 struct evsel *evs 510 struct evsel *evsel, 613 struct perf_sampl 511 struct perf_sample *sample, 614 struct machine *m 512 struct machine *machine) 615 { 513 { 616 struct kwork_atom *atom = NULL; 514 struct kwork_atom *atom = NULL; 617 struct kwork_work *work = NULL; 515 struct kwork_work *work = NULL; 618 516 619 atom = work_pop_atom(kwork, class, KWO 517 atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, 620 KWORK_TRACE_ENTRY 518 KWORK_TRACE_ENTRY, evsel, sample, 621 machine, &work); 519 machine, &work); 622 if (work == NULL) 520 if (work == NULL) 623 return -1; 521 return -1; 624 522 625 if (atom != NULL) { 523 if (atom != NULL) { 626 report_update_exit_event(work, 524 report_update_exit_event(work, atom, sample); 627 atom_del(atom); 525 atom_del(atom); 628 } 526 } 629 527 630 return 0; 528 return 0; 631 } 529 } 632 530 633 static void latency_update_entry_event(struct 531 static void latency_update_entry_event(struct kwork_work *work, 634 struct 532 struct kwork_atom *atom, 635 struct 533 struct perf_sample *sample) 636 { 534 { 637 u64 delta; 535 u64 delta; 638 u64 entry_time = sample->time; 536 u64 entry_time = sample->time; 639 u64 raise_time = atom->time; 537 u64 raise_time = atom->time; 640 538 641 if ((raise_time != 0) && (entry_time > 539 if ((raise_time != 0) && (entry_time >= raise_time)) { 642 delta = entry_time - raise_tim 540 delta = entry_time - raise_time; 643 if ((delta > work->max_latency 541 if ((delta > work->max_latency) || 644 (work->max_latency == 0)) 542 (work->max_latency == 0)) { 645 work->max_latency = de 543 work->max_latency = delta; 646 work->max_latency_star 544 work->max_latency_start = raise_time; 647 work->max_latency_end 545 work->max_latency_end = entry_time; 648 } 546 } 649 work->total_latency += delta; 547 work->total_latency += delta; 650 work->nr_atoms++; 548 work->nr_atoms++; 651 } 549 } 652 } 550 } 653 551 654 static int latency_raise_event(struct perf_kwo 552 static int latency_raise_event(struct perf_kwork *kwork, 655 struct kwork_cl 553 struct kwork_class *class, 656 struct evsel *e 554 struct evsel *evsel, 657 struct perf_sam 555 struct perf_sample *sample, 658 struct machine 556 struct machine *machine) 659 { 557 { 660 return work_push_atom(kwork, class, KW 558 return work_push_atom(kwork, class, KWORK_TRACE_RAISE, 661 KWORK_TRACE_MAX, 559 KWORK_TRACE_MAX, evsel, sample, 662 machine, NULL, t !! 560 machine, NULL); 663 } 561 } 664 562 665 static int latency_entry_event(struct perf_kwo 563 static int latency_entry_event(struct perf_kwork *kwork, 666 struct kwork_cl 564 struct kwork_class *class, 667 struct evsel *e 565 struct evsel *evsel, 668 struct perf_sam 566 struct perf_sample *sample, 669 struct machine 567 struct machine *machine) 670 { 568 { 671 struct kwork_atom *atom = NULL; 569 struct kwork_atom *atom = NULL; 672 struct kwork_work *work = NULL; 570 struct kwork_work *work = NULL; 673 571 674 atom = work_pop_atom(kwork, class, KWO 572 atom = work_pop_atom(kwork, class, KWORK_TRACE_ENTRY, 675 KWORK_TRACE_RAISE 573 KWORK_TRACE_RAISE, evsel, sample, 676 machine, &work); 574 machine, &work); 677 if (work == NULL) 575 if (work == NULL) 678 return -1; 576 return -1; 679 577 680 if (atom != NULL) { 578 if (atom != NULL) { 681 latency_update_entry_event(wor 579 latency_update_entry_event(work, atom, sample); 682 atom_del(atom); 580 atom_del(atom); 683 } 581 } 684 582 685 return 0; 583 return 0; 686 } 584 } 687 585 688 static void timehist_save_callchain(struct per 586 static void timehist_save_callchain(struct perf_kwork *kwork, 689 struct per 587 struct perf_sample *sample, 690 struct evs 588 struct evsel *evsel, 691 struct mac 589 struct machine *machine) 692 { 590 { 693 struct symbol *sym; 591 struct symbol *sym; 694 struct thread *thread; 592 struct thread *thread; 695 struct callchain_cursor_node *node; 593 struct callchain_cursor_node *node; 696 struct callchain_cursor *cursor; 594 struct callchain_cursor *cursor; 697 595 698 if (!kwork->show_callchain || sample-> 596 if (!kwork->show_callchain || sample->callchain == NULL) 699 return; 597 return; 700 598 701 /* want main thread for process - has 599 /* want main thread for process - has maps */ 702 thread = machine__findnew_thread(machi 600 thread = machine__findnew_thread(machine, sample->pid, sample->pid); 703 if (thread == NULL) { 601 if (thread == NULL) { 704 pr_debug("Failed to get thread 602 pr_debug("Failed to get thread for pid %d\n", sample->pid); 705 return; 603 return; 706 } 604 } 707 605 708 cursor = get_tls_callchain_cursor(); 606 cursor = get_tls_callchain_cursor(); 709 607 710 if (thread__resolve_callchain(thread, 608 if (thread__resolve_callchain(thread, cursor, evsel, sample, 711 NULL, NU 609 NULL, NULL, kwork->max_stack + 2) != 0) { 712 pr_debug("Failed to resolve ca 610 pr_debug("Failed to resolve callchain, skipping\n"); 713 goto out_put; 611 goto out_put; 714 } 612 } 715 613 716 callchain_cursor_commit(cursor); 614 callchain_cursor_commit(cursor); 717 615 718 while (true) { 616 while (true) { 719 node = callchain_cursor_curren 617 node = callchain_cursor_current(cursor); 720 if (node == NULL) 618 if (node == NULL) 721 break; 619 break; 722 620 723 sym = node->ms.sym; 621 sym = node->ms.sym; 724 if (sym) { 622 if (sym) { 725 if (!strcmp(sym->name, 623 if (!strcmp(sym->name, "__softirqentry_text_start") || 726 !strcmp(sym->name, 624 !strcmp(sym->name, "__do_softirq")) 727 sym->ignore = 625 sym->ignore = 1; 728 } 626 } 729 627 730 callchain_cursor_advance(curso 628 callchain_cursor_advance(cursor); 731 } 629 } 732 630 733 out_put: 631 out_put: 734 thread__put(thread); 632 thread__put(thread); 735 } 633 } 736 634 737 static void timehist_print_event(struct perf_k 635 static void timehist_print_event(struct perf_kwork *kwork, 738 struct kwork_ 636 struct kwork_work *work, 739 struct kwork_ 637 struct kwork_atom *atom, 740 struct perf_s 638 struct perf_sample *sample, 741 struct addr_l 639 struct addr_location *al) 742 { 640 { 743 char entrytime[32], exittime[32]; 641 char entrytime[32], exittime[32]; 744 char kwork_name[PRINT_KWORK_NAME_WIDTH 642 char kwork_name[PRINT_KWORK_NAME_WIDTH]; 745 643 746 /* 644 /* 747 * runtime start 645 * runtime start 748 */ 646 */ 749 timestamp__scnprintf_usec(atom->time, 647 timestamp__scnprintf_usec(atom->time, 750 entrytime, s 648 entrytime, sizeof(entrytime)); 751 printf(" %*s ", PRINT_TIMESTAMP_WIDTH, 649 printf(" %*s ", PRINT_TIMESTAMP_WIDTH, entrytime); 752 650 753 /* 651 /* 754 * runtime end 652 * runtime end 755 */ 653 */ 756 timestamp__scnprintf_usec(sample->time 654 timestamp__scnprintf_usec(sample->time, 757 exittime, si 655 exittime, sizeof(exittime)); 758 printf(" %*s ", PRINT_TIMESTAMP_WIDTH, 656 printf(" %*s ", PRINT_TIMESTAMP_WIDTH, exittime); 759 657 760 /* 658 /* 761 * cpu 659 * cpu 762 */ 660 */ 763 printf(" [%0*d] ", PRINT_CPU_WIDTH, wo 661 printf(" [%0*d] ", PRINT_CPU_WIDTH, work->cpu); 764 662 765 /* 663 /* 766 * kwork name 664 * kwork name 767 */ 665 */ 768 if (work->class && work->class->work_n 666 if (work->class && work->class->work_name) { 769 work->class->work_name(work, k 667 work->class->work_name(work, kwork_name, 770 PRINT_K 668 PRINT_KWORK_NAME_WIDTH); 771 printf(" %-*s ", PRINT_KWORK_N 669 printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, kwork_name); 772 } else 670 } else 773 printf(" %-*s ", PRINT_KWORK_N 671 printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, ""); 774 672 775 /* 673 /* 776 *runtime 674 *runtime 777 */ 675 */ 778 printf(" %*.*f ", 676 printf(" %*.*f ", 779 PRINT_RUNTIME_WIDTH, RPINT_DECI 677 PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 780 (double)(sample->time - atom->t 678 (double)(sample->time - atom->time) / NSEC_PER_MSEC); 781 679 782 /* 680 /* 783 * delaytime 681 * delaytime 784 */ 682 */ 785 if (atom->prev != NULL) 683 if (atom->prev != NULL) 786 printf(" %*.*f ", PRINT_LATENC 684 printf(" %*.*f ", PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 787 (double)(atom->time - a 685 (double)(atom->time - atom->prev->time) / NSEC_PER_MSEC); 788 else 686 else 789 printf(" %*s ", PRINT_LATENCY_ 687 printf(" %*s ", PRINT_LATENCY_WIDTH, " "); 790 688 791 /* 689 /* 792 * callchain 690 * callchain 793 */ 691 */ 794 if (kwork->show_callchain) { 692 if (kwork->show_callchain) { 795 struct callchain_cursor *curso 693 struct callchain_cursor *cursor = get_tls_callchain_cursor(); 796 694 797 if (cursor == NULL) 695 if (cursor == NULL) 798 return; 696 return; 799 697 800 printf(" "); 698 printf(" "); 801 699 802 sample__fprintf_sym(sample, al 700 sample__fprintf_sym(sample, al, 0, 803 EVSEL__PRI 701 EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE | 804 EVSEL__PRI 702 EVSEL__PRINT_CALLCHAIN_ARROW | 805 EVSEL__PRI 703 EVSEL__PRINT_SKIP_IGNORED, 806 cursor, sy 704 cursor, symbol_conf.bt_stop_list, 807 stdout); 705 stdout); 808 } 706 } 809 707 810 printf("\n"); 708 printf("\n"); 811 } 709 } 812 710 813 static int timehist_raise_event(struct perf_kw 711 static int timehist_raise_event(struct perf_kwork *kwork, 814 struct kwork_c 712 struct kwork_class *class, 815 struct evsel * 713 struct evsel *evsel, 816 struct perf_sa 714 struct perf_sample *sample, 817 struct machine 715 struct machine *machine) 818 { 716 { 819 return work_push_atom(kwork, class, KW 717 return work_push_atom(kwork, class, KWORK_TRACE_RAISE, 820 KWORK_TRACE_MAX, 718 KWORK_TRACE_MAX, evsel, sample, 821 machine, NULL, t !! 719 machine, NULL); 822 } 720 } 823 721 824 static int timehist_entry_event(struct perf_kw 722 static int timehist_entry_event(struct perf_kwork *kwork, 825 struct kwork_c 723 struct kwork_class *class, 826 struct evsel * 724 struct evsel *evsel, 827 struct perf_sa 725 struct perf_sample *sample, 828 struct machine 726 struct machine *machine) 829 { 727 { 830 int ret; 728 int ret; 831 struct kwork_work *work = NULL; 729 struct kwork_work *work = NULL; 832 730 833 ret = work_push_atom(kwork, class, KWO 731 ret = work_push_atom(kwork, class, KWORK_TRACE_ENTRY, 834 KWORK_TRACE_RAISE 732 KWORK_TRACE_RAISE, evsel, sample, 835 machine, &work, t !! 733 machine, &work); 836 if (ret) 734 if (ret) 837 return ret; 735 return ret; 838 736 839 if (work != NULL) 737 if (work != NULL) 840 timehist_save_callchain(kwork, 738 timehist_save_callchain(kwork, sample, evsel, machine); 841 739 842 return 0; 740 return 0; 843 } 741 } 844 742 845 static int timehist_exit_event(struct perf_kwo 743 static int timehist_exit_event(struct perf_kwork *kwork, 846 struct kwork_cl 744 struct kwork_class *class, 847 struct evsel *e 745 struct evsel *evsel, 848 struct perf_sam 746 struct perf_sample *sample, 849 struct machine 747 struct machine *machine) 850 { 748 { 851 struct kwork_atom *atom = NULL; 749 struct kwork_atom *atom = NULL; 852 struct kwork_work *work = NULL; 750 struct kwork_work *work = NULL; 853 struct addr_location al; 751 struct addr_location al; 854 int ret = 0; 752 int ret = 0; 855 753 856 addr_location__init(&al); 754 addr_location__init(&al); 857 if (machine__resolve(machine, &al, sam 755 if (machine__resolve(machine, &al, sample) < 0) { 858 pr_debug("Problem processing e 756 pr_debug("Problem processing event, skipping it\n"); 859 ret = -1; 757 ret = -1; 860 goto out; 758 goto out; 861 } 759 } 862 760 863 atom = work_pop_atom(kwork, class, KWO 761 atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, 864 KWORK_TRACE_ENTRY 762 KWORK_TRACE_ENTRY, evsel, sample, 865 machine, &work); 763 machine, &work); 866 if (work == NULL) { 764 if (work == NULL) { 867 ret = -1; 765 ret = -1; 868 goto out; 766 goto out; 869 } 767 } 870 768 871 if (atom != NULL) { 769 if (atom != NULL) { 872 work->nr_atoms++; 770 work->nr_atoms++; 873 timehist_print_event(kwork, wo 771 timehist_print_event(kwork, work, atom, sample, &al); 874 atom_del(atom); 772 atom_del(atom); 875 } 773 } 876 774 877 out: 775 out: 878 addr_location__exit(&al); 776 addr_location__exit(&al); 879 return ret; 777 return ret; 880 } 778 } 881 779 882 static void top_update_runtime(struct kwork_wo << 883 struct kwork_at << 884 struct perf_sam << 885 { << 886 u64 delta; << 887 u64 exit_time = sample->time; << 888 u64 entry_time = atom->time; << 889 << 890 if ((entry_time != 0) && (exit_time >= << 891 delta = exit_time - entry_time << 892 work->total_runtime += delta; << 893 } << 894 } << 895 << 896 static int top_entry_event(struct perf_kwork * << 897 struct kwork_class << 898 struct evsel *evsel << 899 struct perf_sample << 900 struct machine *mac << 901 { << 902 return work_push_atom(kwork, class, KW << 903 KWORK_TRACE_MAX, << 904 machine, NULL, t << 905 } << 906 << 907 static int top_exit_event(struct perf_kwork *k << 908 struct kwork_class * << 909 struct evsel *evsel, << 910 struct perf_sample * << 911 struct machine *mach << 912 { << 913 struct kwork_work *work, *sched_work; << 914 struct kwork_class *sched_class; << 915 struct kwork_atom *atom; << 916 << 917 atom = work_pop_atom(kwork, class, KWO << 918 KWORK_TRACE_ENTRY << 919 machine, &work); << 920 if (!work) << 921 return -1; << 922 << 923 if (atom) { << 924 sched_class = get_kwork_class( << 925 if (sched_class) { << 926 sched_work = find_work << 927 << 928 if (sched_work) << 929 top_update_run << 930 } << 931 atom_del(atom); << 932 } << 933 << 934 return 0; << 935 } << 936 << 937 static int top_sched_switch_event(struct perf_ << 938 struct kwork << 939 struct evsel << 940 struct perf_ << 941 struct machi << 942 { << 943 struct kwork_atom *atom; << 944 struct kwork_work *work; << 945 << 946 atom = work_pop_atom(kwork, class, KWO << 947 KWORK_TRACE_ENTRY << 948 machine, &work); << 949 if (!work) << 950 return -1; << 951 << 952 if (atom) { << 953 top_update_runtime(work, atom, << 954 atom_del(atom); << 955 } << 956 << 957 return top_entry_event(kwork, class, e << 958 } << 959 << 960 static struct kwork_class kwork_irq; 780 static struct kwork_class kwork_irq; 961 static int process_irq_handler_entry_event(str 781 static int process_irq_handler_entry_event(struct perf_tool *tool, 962 str 782 struct evsel *evsel, 963 str 783 struct perf_sample *sample, 964 str 784 struct machine *machine) 965 { 785 { 966 struct perf_kwork *kwork = container_o 786 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 967 787 968 if (kwork->tp_handler->entry_event) 788 if (kwork->tp_handler->entry_event) 969 return kwork->tp_handler->entr 789 return kwork->tp_handler->entry_event(kwork, &kwork_irq, 970 790 evsel, sample, machine); 971 return 0; 791 return 0; 972 } 792 } 973 793 974 static int process_irq_handler_exit_event(stru 794 static int process_irq_handler_exit_event(struct perf_tool *tool, 975 stru 795 struct evsel *evsel, 976 stru 796 struct perf_sample *sample, 977 stru 797 struct machine *machine) 978 { 798 { 979 struct perf_kwork *kwork = container_o 799 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 980 800 981 if (kwork->tp_handler->exit_event) 801 if (kwork->tp_handler->exit_event) 982 return kwork->tp_handler->exit 802 return kwork->tp_handler->exit_event(kwork, &kwork_irq, 983 803 evsel, sample, machine); 984 return 0; 804 return 0; 985 } 805 } 986 806 987 const struct evsel_str_handler irq_tp_handlers 807 const struct evsel_str_handler irq_tp_handlers[] = { 988 { "irq:irq_handler_entry", process_irq 808 { "irq:irq_handler_entry", process_irq_handler_entry_event, }, 989 { "irq:irq_handler_exit", process_irq 809 { "irq:irq_handler_exit", process_irq_handler_exit_event, }, 990 }; 810 }; 991 811 992 static int irq_class_init(struct kwork_class * 812 static int irq_class_init(struct kwork_class *class, 993 struct perf_session 813 struct perf_session *session) 994 { 814 { 995 if (perf_session__set_tracepoints_hand 815 if (perf_session__set_tracepoints_handlers(session, irq_tp_handlers)) { 996 pr_err("Failed to set irq trac 816 pr_err("Failed to set irq tracepoints handlers\n"); 997 return -1; 817 return -1; 998 } 818 } 999 819 1000 class->work_root = RB_ROOT_CACHED; 820 class->work_root = RB_ROOT_CACHED; 1001 return 0; 821 return 0; 1002 } 822 } 1003 823 1004 static void irq_work_init(struct perf_kwork * !! 824 static void irq_work_init(struct kwork_class *class, 1005 struct kwork_class << 1006 struct kwork_work * 825 struct kwork_work *work, 1007 enum kwork_trace_ty << 1008 struct evsel *evsel 826 struct evsel *evsel, 1009 struct perf_sample 827 struct perf_sample *sample, 1010 struct machine *mac 828 struct machine *machine __maybe_unused) 1011 { 829 { 1012 work->class = class; 830 work->class = class; 1013 work->cpu = sample->cpu; 831 work->cpu = sample->cpu; 1014 !! 832 work->id = evsel__intval(evsel, sample, "irq"); 1015 if (kwork->report == KWORK_REPORT_TOP !! 833 work->name = evsel__strval(evsel, sample, "name"); 1016 work->id = evsel__intval_comm << 1017 work->name = NULL; << 1018 } else { << 1019 work->id = evsel__intval(evse << 1020 work->name = evsel__strval(ev << 1021 } << 1022 } 834 } 1023 835 1024 static void irq_work_name(struct kwork_work * 836 static void irq_work_name(struct kwork_work *work, char *buf, int len) 1025 { 837 { 1026 snprintf(buf, len, "%s:%" PRIu64 "", 838 snprintf(buf, len, "%s:%" PRIu64 "", work->name, work->id); 1027 } 839 } 1028 840 1029 static struct kwork_class kwork_irq = { 841 static struct kwork_class kwork_irq = { 1030 .name = "irq", 842 .name = "irq", 1031 .type = KWORK_CLASS_IRQ, 843 .type = KWORK_CLASS_IRQ, 1032 .nr_tracepoints = 2, 844 .nr_tracepoints = 2, 1033 .tp_handlers = irq_tp_handlers, 845 .tp_handlers = irq_tp_handlers, 1034 .class_init = irq_class_init, 846 .class_init = irq_class_init, 1035 .work_init = irq_work_init, 847 .work_init = irq_work_init, 1036 .work_name = irq_work_name, 848 .work_name = irq_work_name, 1037 }; 849 }; 1038 850 1039 static struct kwork_class kwork_softirq; 851 static struct kwork_class kwork_softirq; 1040 static int process_softirq_raise_event(struct 852 static int process_softirq_raise_event(struct perf_tool *tool, 1041 struct 853 struct evsel *evsel, 1042 struct 854 struct perf_sample *sample, 1043 struct 855 struct machine *machine) 1044 { 856 { 1045 struct perf_kwork *kwork = container_ 857 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 1046 858 1047 if (kwork->tp_handler->raise_event) 859 if (kwork->tp_handler->raise_event) 1048 return kwork->tp_handler->rai 860 return kwork->tp_handler->raise_event(kwork, &kwork_softirq, 1049 861 evsel, sample, machine); 1050 862 1051 return 0; 863 return 0; 1052 } 864 } 1053 865 1054 static int process_softirq_entry_event(struct 866 static int process_softirq_entry_event(struct perf_tool *tool, 1055 struct 867 struct evsel *evsel, 1056 struct 868 struct perf_sample *sample, 1057 struct 869 struct machine *machine) 1058 { 870 { 1059 struct perf_kwork *kwork = container_ 871 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 1060 872 1061 if (kwork->tp_handler->entry_event) 873 if (kwork->tp_handler->entry_event) 1062 return kwork->tp_handler->ent 874 return kwork->tp_handler->entry_event(kwork, &kwork_softirq, 1063 875 evsel, sample, machine); 1064 876 1065 return 0; 877 return 0; 1066 } 878 } 1067 879 1068 static int process_softirq_exit_event(struct 880 static int process_softirq_exit_event(struct perf_tool *tool, 1069 struct 881 struct evsel *evsel, 1070 struct 882 struct perf_sample *sample, 1071 struct 883 struct machine *machine) 1072 { 884 { 1073 struct perf_kwork *kwork = container_ 885 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 1074 886 1075 if (kwork->tp_handler->exit_event) 887 if (kwork->tp_handler->exit_event) 1076 return kwork->tp_handler->exi 888 return kwork->tp_handler->exit_event(kwork, &kwork_softirq, 1077 889 evsel, sample, machine); 1078 890 1079 return 0; 891 return 0; 1080 } 892 } 1081 893 1082 const struct evsel_str_handler softirq_tp_han 894 const struct evsel_str_handler softirq_tp_handlers[] = { 1083 { "irq:softirq_raise", process_softir 895 { "irq:softirq_raise", process_softirq_raise_event, }, 1084 { "irq:softirq_entry", process_softir 896 { "irq:softirq_entry", process_softirq_entry_event, }, 1085 { "irq:softirq_exit", process_softir 897 { "irq:softirq_exit", process_softirq_exit_event, }, 1086 }; 898 }; 1087 899 1088 static int softirq_class_init(struct kwork_cl 900 static int softirq_class_init(struct kwork_class *class, 1089 struct perf_ses 901 struct perf_session *session) 1090 { 902 { 1091 if (perf_session__set_tracepoints_han 903 if (perf_session__set_tracepoints_handlers(session, 1092 904 softirq_tp_handlers)) { 1093 pr_err("Failed to set softirq 905 pr_err("Failed to set softirq tracepoints handlers\n"); 1094 return -1; 906 return -1; 1095 } 907 } 1096 908 1097 class->work_root = RB_ROOT_CACHED; 909 class->work_root = RB_ROOT_CACHED; 1098 return 0; 910 return 0; 1099 } 911 } 1100 912 1101 static char *evsel__softirq_name(struct evsel 913 static char *evsel__softirq_name(struct evsel *evsel, u64 num) 1102 { 914 { 1103 char *name = NULL; 915 char *name = NULL; 1104 bool found = false; 916 bool found = false; 1105 struct tep_print_flag_sym *sym = NULL 917 struct tep_print_flag_sym *sym = NULL; 1106 struct tep_print_arg *args = evsel->t 918 struct tep_print_arg *args = evsel->tp_format->print_fmt.args; 1107 919 1108 if ((args == NULL) || (args->next == 920 if ((args == NULL) || (args->next == NULL)) 1109 return NULL; 921 return NULL; 1110 922 1111 /* skip softirq field: "REC->vec" */ 923 /* skip softirq field: "REC->vec" */ 1112 for (sym = args->next->symbol.symbols 924 for (sym = args->next->symbol.symbols; sym != NULL; sym = sym->next) { 1113 if ((eval_flag(sym->value) == 925 if ((eval_flag(sym->value) == (unsigned long long)num) && 1114 (strlen(sym->str) != 0)) 926 (strlen(sym->str) != 0)) { 1115 found = true; 927 found = true; 1116 break; 928 break; 1117 } 929 } 1118 } 930 } 1119 931 1120 if (!found) 932 if (!found) 1121 return NULL; 933 return NULL; 1122 934 1123 name = strdup(sym->str); 935 name = strdup(sym->str); 1124 if (name == NULL) { 936 if (name == NULL) { 1125 pr_err("Failed to copy symbol 937 pr_err("Failed to copy symbol name\n"); 1126 return NULL; 938 return NULL; 1127 } 939 } 1128 return name; 940 return name; 1129 } 941 } 1130 942 1131 static void softirq_work_init(struct perf_kwo !! 943 static void softirq_work_init(struct kwork_class *class, 1132 struct kwork_cl << 1133 struct kwork_wo 944 struct kwork_work *work, 1134 enum kwork_trac << 1135 struct evsel *e 945 struct evsel *evsel, 1136 struct perf_sam 946 struct perf_sample *sample, 1137 struct machine 947 struct machine *machine __maybe_unused) 1138 { 948 { 1139 u64 num; !! 949 u64 num = evsel__intval(evsel, sample, "vec"); 1140 950 >> 951 work->id = num; 1141 work->class = class; 952 work->class = class; 1142 work->cpu = sample->cpu; 953 work->cpu = sample->cpu; 1143 !! 954 work->name = evsel__softirq_name(evsel, num); 1144 if (kwork->report == KWORK_REPORT_TOP << 1145 work->id = evsel__intval_comm << 1146 work->name = NULL; << 1147 } else { << 1148 num = evsel__intval(evsel, sa << 1149 work->id = num; << 1150 work->name = evsel__softirq_n << 1151 } << 1152 } 955 } 1153 956 1154 static void softirq_work_name(struct kwork_wo 957 static void softirq_work_name(struct kwork_work *work, char *buf, int len) 1155 { 958 { 1156 snprintf(buf, len, "(s)%s:%" PRIu64 " 959 snprintf(buf, len, "(s)%s:%" PRIu64 "", work->name, work->id); 1157 } 960 } 1158 961 1159 static struct kwork_class kwork_softirq = { 962 static struct kwork_class kwork_softirq = { 1160 .name = "softirq", 963 .name = "softirq", 1161 .type = KWORK_CLASS_SOFTIRQ 964 .type = KWORK_CLASS_SOFTIRQ, 1162 .nr_tracepoints = 3, 965 .nr_tracepoints = 3, 1163 .tp_handlers = softirq_tp_handlers 966 .tp_handlers = softirq_tp_handlers, 1164 .class_init = softirq_class_init, 967 .class_init = softirq_class_init, 1165 .work_init = softirq_work_init, 968 .work_init = softirq_work_init, 1166 .work_name = softirq_work_name, 969 .work_name = softirq_work_name, 1167 }; 970 }; 1168 971 1169 static struct kwork_class kwork_workqueue; 972 static struct kwork_class kwork_workqueue; 1170 static int process_workqueue_activate_work_ev 973 static int process_workqueue_activate_work_event(struct perf_tool *tool, 1171 974 struct evsel *evsel, 1172 975 struct perf_sample *sample, 1173 976 struct machine *machine) 1174 { 977 { 1175 struct perf_kwork *kwork = container_ 978 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 1176 979 1177 if (kwork->tp_handler->raise_event) 980 if (kwork->tp_handler->raise_event) 1178 return kwork->tp_handler->rai 981 return kwork->tp_handler->raise_event(kwork, &kwork_workqueue, 1179 982 evsel, sample, machine); 1180 983 1181 return 0; 984 return 0; 1182 } 985 } 1183 986 1184 static int process_workqueue_execute_start_ev 987 static int process_workqueue_execute_start_event(struct perf_tool *tool, 1185 988 struct evsel *evsel, 1186 989 struct perf_sample *sample, 1187 990 struct machine *machine) 1188 { 991 { 1189 struct perf_kwork *kwork = container_ 992 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 1190 993 1191 if (kwork->tp_handler->entry_event) 994 if (kwork->tp_handler->entry_event) 1192 return kwork->tp_handler->ent 995 return kwork->tp_handler->entry_event(kwork, &kwork_workqueue, 1193 996 evsel, sample, machine); 1194 997 1195 return 0; 998 return 0; 1196 } 999 } 1197 1000 1198 static int process_workqueue_execute_end_even 1001 static int process_workqueue_execute_end_event(struct perf_tool *tool, 1199 1002 struct evsel *evsel, 1200 1003 struct perf_sample *sample, 1201 1004 struct machine *machine) 1202 { 1005 { 1203 struct perf_kwork *kwork = container_ 1006 struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 1204 1007 1205 if (kwork->tp_handler->exit_event) 1008 if (kwork->tp_handler->exit_event) 1206 return kwork->tp_handler->exi 1009 return kwork->tp_handler->exit_event(kwork, &kwork_workqueue, 1207 1010 evsel, sample, machine); 1208 1011 1209 return 0; 1012 return 0; 1210 } 1013 } 1211 1014 1212 const struct evsel_str_handler workqueue_tp_h 1015 const struct evsel_str_handler workqueue_tp_handlers[] = { 1213 { "workqueue:workqueue_activate_work" 1016 { "workqueue:workqueue_activate_work", process_workqueue_activate_work_event, }, 1214 { "workqueue:workqueue_execute_start" 1017 { "workqueue:workqueue_execute_start", process_workqueue_execute_start_event, }, 1215 { "workqueue:workqueue_execute_end", 1018 { "workqueue:workqueue_execute_end", process_workqueue_execute_end_event, }, 1216 }; 1019 }; 1217 1020 1218 static int workqueue_class_init(struct kwork_ 1021 static int workqueue_class_init(struct kwork_class *class, 1219 struct perf_s 1022 struct perf_session *session) 1220 { 1023 { 1221 if (perf_session__set_tracepoints_han 1024 if (perf_session__set_tracepoints_handlers(session, 1222 1025 workqueue_tp_handlers)) { 1223 pr_err("Failed to set workque 1026 pr_err("Failed to set workqueue tracepoints handlers\n"); 1224 return -1; 1027 return -1; 1225 } 1028 } 1226 1029 1227 class->work_root = RB_ROOT_CACHED; 1030 class->work_root = RB_ROOT_CACHED; 1228 return 0; 1031 return 0; 1229 } 1032 } 1230 1033 1231 static void workqueue_work_init(struct perf_k !! 1034 static void workqueue_work_init(struct kwork_class *class, 1232 struct kwork_ << 1233 struct kwork_ 1035 struct kwork_work *work, 1234 enum kwork_tr << 1235 struct evsel 1036 struct evsel *evsel, 1236 struct perf_s 1037 struct perf_sample *sample, 1237 struct machin 1038 struct machine *machine) 1238 { 1039 { 1239 char *modp = NULL; 1040 char *modp = NULL; 1240 unsigned long long function_addr = ev 1041 unsigned long long function_addr = evsel__intval(evsel, 1241 1042 sample, "function"); 1242 1043 1243 work->class = class; 1044 work->class = class; 1244 work->cpu = sample->cpu; 1045 work->cpu = sample->cpu; 1245 work->id = evsel__intval(evsel, sampl 1046 work->id = evsel__intval(evsel, sample, "work"); 1246 work->name = function_addr == 0 ? NUL 1047 work->name = function_addr == 0 ? NULL : 1247 machine__resolve_kernel_addr( 1048 machine__resolve_kernel_addr(machine, &function_addr, &modp); 1248 } 1049 } 1249 1050 1250 static void workqueue_work_name(struct kwork_ 1051 static void workqueue_work_name(struct kwork_work *work, char *buf, int len) 1251 { 1052 { 1252 if (work->name != NULL) 1053 if (work->name != NULL) 1253 snprintf(buf, len, "(w)%s", w 1054 snprintf(buf, len, "(w)%s", work->name); 1254 else 1055 else 1255 snprintf(buf, len, "(w)0x%" P 1056 snprintf(buf, len, "(w)0x%" PRIx64, work->id); 1256 } 1057 } 1257 1058 1258 static struct kwork_class kwork_workqueue = { 1059 static struct kwork_class kwork_workqueue = { 1259 .name = "workqueue", 1060 .name = "workqueue", 1260 .type = KWORK_CLASS_WORKQUE 1061 .type = KWORK_CLASS_WORKQUEUE, 1261 .nr_tracepoints = 3, 1062 .nr_tracepoints = 3, 1262 .tp_handlers = workqueue_tp_handle 1063 .tp_handlers = workqueue_tp_handlers, 1263 .class_init = workqueue_class_ini 1064 .class_init = workqueue_class_init, 1264 .work_init = workqueue_work_init 1065 .work_init = workqueue_work_init, 1265 .work_name = workqueue_work_name 1066 .work_name = workqueue_work_name, 1266 }; 1067 }; 1267 1068 1268 static struct kwork_class kwork_sched; << 1269 static int process_sched_switch_event(struct << 1270 struct << 1271 struct << 1272 struct << 1273 { << 1274 struct perf_kwork *kwork = container_ << 1275 << 1276 if (kwork->tp_handler->sched_switch_e << 1277 return kwork->tp_handler->sch << 1278 << 1279 return 0; << 1280 } << 1281 << 1282 const struct evsel_str_handler sched_tp_handl << 1283 { "sched:sched_switch", process_sche << 1284 }; << 1285 << 1286 static int sched_class_init(struct kwork_clas << 1287 struct perf_sessi << 1288 { << 1289 if (perf_session__set_tracepoints_han << 1290 << 1291 pr_err("Failed to set sched t << 1292 return -1; << 1293 } << 1294 << 1295 class->work_root = RB_ROOT_CACHED; << 1296 return 0; << 1297 } << 1298 << 1299 static void sched_work_init(struct perf_kwork << 1300 struct kwork_clas << 1301 struct kwork_work << 1302 enum kwork_trace_ << 1303 struct evsel *evs << 1304 struct perf_sampl << 1305 struct machine *m << 1306 { << 1307 work->class = class; << 1308 work->cpu = sample->cpu; << 1309 << 1310 if (src_type == KWORK_TRACE_EXIT) { << 1311 work->id = evsel__intval(evse << 1312 work->name = strdup(evsel__st << 1313 } else if (src_type == KWORK_TRACE_EN << 1314 work->id = evsel__intval(evse << 1315 work->name = strdup(evsel__st << 1316 } << 1317 } << 1318 << 1319 static void sched_work_name(struct kwork_work << 1320 { << 1321 snprintf(buf, len, "%s", work->name); << 1322 } << 1323 << 1324 static struct kwork_class kwork_sched = { << 1325 .name = "sched", << 1326 .type = KWORK_CLASS_SCHED, << 1327 .nr_tracepoints = ARRAY_SIZE(sched_tp << 1328 .tp_handlers = sched_tp_handlers, << 1329 .class_init = sched_class_init, << 1330 .work_init = sched_work_init, << 1331 .work_name = sched_work_name, << 1332 }; << 1333 << 1334 static struct kwork_class *kwork_class_suppor 1069 static struct kwork_class *kwork_class_supported_list[KWORK_CLASS_MAX] = { 1335 [KWORK_CLASS_IRQ] = &kwork_irq, 1070 [KWORK_CLASS_IRQ] = &kwork_irq, 1336 [KWORK_CLASS_SOFTIRQ] = &kwork_soft 1071 [KWORK_CLASS_SOFTIRQ] = &kwork_softirq, 1337 [KWORK_CLASS_WORKQUEUE] = &kwork_work 1072 [KWORK_CLASS_WORKQUEUE] = &kwork_workqueue, 1338 [KWORK_CLASS_SCHED] = &kwork_sche << 1339 }; 1073 }; 1340 1074 1341 static void print_separator(int len) 1075 static void print_separator(int len) 1342 { 1076 { 1343 printf(" %.*s\n", len, graph_dotted_l 1077 printf(" %.*s\n", len, graph_dotted_line); 1344 } 1078 } 1345 1079 1346 static int report_print_work(struct perf_kwor 1080 static int report_print_work(struct perf_kwork *kwork, struct kwork_work *work) 1347 { 1081 { 1348 int ret = 0; 1082 int ret = 0; 1349 char kwork_name[PRINT_KWORK_NAME_WIDT 1083 char kwork_name[PRINT_KWORK_NAME_WIDTH]; 1350 char max_runtime_start[32], max_runti 1084 char max_runtime_start[32], max_runtime_end[32]; 1351 char max_latency_start[32], max_laten 1085 char max_latency_start[32], max_latency_end[32]; 1352 1086 1353 printf(" "); 1087 printf(" "); 1354 1088 1355 /* 1089 /* 1356 * kwork name 1090 * kwork name 1357 */ 1091 */ 1358 if (work->class && work->class->work_ 1092 if (work->class && work->class->work_name) { 1359 work->class->work_name(work, 1093 work->class->work_name(work, kwork_name, 1360 PRINT_ 1094 PRINT_KWORK_NAME_WIDTH); 1361 ret += printf(" %-*s |", PRIN 1095 ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, kwork_name); 1362 } else { 1096 } else { 1363 ret += printf(" %-*s |", PRIN 1097 ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, ""); 1364 } 1098 } 1365 1099 1366 /* 1100 /* 1367 * cpu 1101 * cpu 1368 */ 1102 */ 1369 ret += printf(" %0*d |", PRINT_CPU_WI 1103 ret += printf(" %0*d |", PRINT_CPU_WIDTH, work->cpu); 1370 1104 1371 /* 1105 /* 1372 * total runtime 1106 * total runtime 1373 */ 1107 */ 1374 if (kwork->report == KWORK_REPORT_RUN 1108 if (kwork->report == KWORK_REPORT_RUNTIME) { 1375 ret += printf(" %*.*f ms |", 1109 ret += printf(" %*.*f ms |", 1376 PRINT_RUNTIME_W 1110 PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 1377 (double)work->t 1111 (double)work->total_runtime / NSEC_PER_MSEC); 1378 } else if (kwork->report == KWORK_REP 1112 } else if (kwork->report == KWORK_REPORT_LATENCY) { // avg delay 1379 ret += printf(" %*.*f ms |", 1113 ret += printf(" %*.*f ms |", 1380 PRINT_LATENCY_W 1114 PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 1381 (double)work->t 1115 (double)work->total_latency / 1382 work->nr_atoms 1116 work->nr_atoms / NSEC_PER_MSEC); 1383 } 1117 } 1384 1118 1385 /* 1119 /* 1386 * count 1120 * count 1387 */ 1121 */ 1388 ret += printf(" %*" PRIu64 " |", PRIN 1122 ret += printf(" %*" PRIu64 " |", PRINT_COUNT_WIDTH, work->nr_atoms); 1389 1123 1390 /* 1124 /* 1391 * max runtime, max runtime start, ma 1125 * max runtime, max runtime start, max runtime end 1392 */ 1126 */ 1393 if (kwork->report == KWORK_REPORT_RUN 1127 if (kwork->report == KWORK_REPORT_RUNTIME) { 1394 timestamp__scnprintf_usec(wor 1128 timestamp__scnprintf_usec(work->max_runtime_start, 1395 max 1129 max_runtime_start, 1396 siz 1130 sizeof(max_runtime_start)); 1397 timestamp__scnprintf_usec(wor 1131 timestamp__scnprintf_usec(work->max_runtime_end, 1398 max 1132 max_runtime_end, 1399 siz 1133 sizeof(max_runtime_end)); 1400 ret += printf(" %*.*f ms | %* 1134 ret += printf(" %*.*f ms | %*s s | %*s s |", 1401 PRINT_RUNTIME_W 1135 PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 1402 (double)work->m 1136 (double)work->max_runtime / NSEC_PER_MSEC, 1403 PRINT_TIMESTAMP 1137 PRINT_TIMESTAMP_WIDTH, max_runtime_start, 1404 PRINT_TIMESTAMP 1138 PRINT_TIMESTAMP_WIDTH, max_runtime_end); 1405 } 1139 } 1406 /* 1140 /* 1407 * max delay, max delay start, max de 1141 * max delay, max delay start, max delay end 1408 */ 1142 */ 1409 else if (kwork->report == KWORK_REPOR 1143 else if (kwork->report == KWORK_REPORT_LATENCY) { 1410 timestamp__scnprintf_usec(wor 1144 timestamp__scnprintf_usec(work->max_latency_start, 1411 max 1145 max_latency_start, 1412 siz 1146 sizeof(max_latency_start)); 1413 timestamp__scnprintf_usec(wor 1147 timestamp__scnprintf_usec(work->max_latency_end, 1414 max 1148 max_latency_end, 1415 siz 1149 sizeof(max_latency_end)); 1416 ret += printf(" %*.*f ms | %* 1150 ret += printf(" %*.*f ms | %*s s | %*s s |", 1417 PRINT_LATENCY_W 1151 PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 1418 (double)work->m 1152 (double)work->max_latency / NSEC_PER_MSEC, 1419 PRINT_TIMESTAMP 1153 PRINT_TIMESTAMP_WIDTH, max_latency_start, 1420 PRINT_TIMESTAMP 1154 PRINT_TIMESTAMP_WIDTH, max_latency_end); 1421 } 1155 } 1422 1156 1423 printf("\n"); 1157 printf("\n"); 1424 return ret; 1158 return ret; 1425 } 1159 } 1426 1160 1427 static int report_print_header(struct perf_kw 1161 static int report_print_header(struct perf_kwork *kwork) 1428 { 1162 { 1429 int ret; 1163 int ret; 1430 1164 1431 printf("\n "); 1165 printf("\n "); 1432 ret = printf(" %-*s | %-*s |", 1166 ret = printf(" %-*s | %-*s |", 1433 PRINT_KWORK_NAME_WIDTH, 1167 PRINT_KWORK_NAME_WIDTH, "Kwork Name", 1434 PRINT_CPU_WIDTH, "Cpu"); 1168 PRINT_CPU_WIDTH, "Cpu"); 1435 1169 1436 if (kwork->report == KWORK_REPORT_RUN 1170 if (kwork->report == KWORK_REPORT_RUNTIME) { 1437 ret += printf(" %-*s |", 1171 ret += printf(" %-*s |", 1438 PRINT_RUNTIME_H 1172 PRINT_RUNTIME_HEADER_WIDTH, "Total Runtime"); 1439 } else if (kwork->report == KWORK_REP 1173 } else if (kwork->report == KWORK_REPORT_LATENCY) { 1440 ret += printf(" %-*s |", 1174 ret += printf(" %-*s |", 1441 PRINT_LATENCY_H 1175 PRINT_LATENCY_HEADER_WIDTH, "Avg delay"); 1442 } 1176 } 1443 1177 1444 ret += printf(" %-*s |", PRINT_COUNT_ 1178 ret += printf(" %-*s |", PRINT_COUNT_WIDTH, "Count"); 1445 1179 1446 if (kwork->report == KWORK_REPORT_RUN 1180 if (kwork->report == KWORK_REPORT_RUNTIME) { 1447 ret += printf(" %-*s | %-*s | 1181 ret += printf(" %-*s | %-*s | %-*s |", 1448 PRINT_RUNTIME_H 1182 PRINT_RUNTIME_HEADER_WIDTH, "Max runtime", 1449 PRINT_TIMESTAMP 1183 PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime start", 1450 PRINT_TIMESTAMP 1184 PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime end"); 1451 } else if (kwork->report == KWORK_REP 1185 } else if (kwork->report == KWORK_REPORT_LATENCY) { 1452 ret += printf(" %-*s | %-*s | 1186 ret += printf(" %-*s | %-*s | %-*s |", 1453 PRINT_LATENCY_H 1187 PRINT_LATENCY_HEADER_WIDTH, "Max delay", 1454 PRINT_TIMESTAMP 1188 PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay start", 1455 PRINT_TIMESTAMP 1189 PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay end"); 1456 } 1190 } 1457 1191 1458 printf("\n"); 1192 printf("\n"); 1459 print_separator(ret); 1193 print_separator(ret); 1460 return ret; 1194 return ret; 1461 } 1195 } 1462 1196 1463 static void timehist_print_header(void) 1197 static void timehist_print_header(void) 1464 { 1198 { 1465 /* 1199 /* 1466 * header row 1200 * header row 1467 */ 1201 */ 1468 printf(" %-*s %-*s %-*s %-*s %-*s 1202 printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", 1469 PRINT_TIMESTAMP_WIDTH, "Runtim 1203 PRINT_TIMESTAMP_WIDTH, "Runtime start", 1470 PRINT_TIMESTAMP_WIDTH, "Runtim 1204 PRINT_TIMESTAMP_WIDTH, "Runtime end", 1471 PRINT_TIMEHIST_CPU_WIDTH, "Cpu 1205 PRINT_TIMEHIST_CPU_WIDTH, "Cpu", 1472 PRINT_KWORK_NAME_WIDTH, "Kwork 1206 PRINT_KWORK_NAME_WIDTH, "Kwork name", 1473 PRINT_RUNTIME_WIDTH, "Runtime" 1207 PRINT_RUNTIME_WIDTH, "Runtime", 1474 PRINT_RUNTIME_WIDTH, "Delaytim 1208 PRINT_RUNTIME_WIDTH, "Delaytime"); 1475 1209 1476 /* 1210 /* 1477 * units row 1211 * units row 1478 */ 1212 */ 1479 printf(" %-*s %-*s %-*s %-*s %-*s 1213 printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", 1480 PRINT_TIMESTAMP_WIDTH, "", 1214 PRINT_TIMESTAMP_WIDTH, "", 1481 PRINT_TIMESTAMP_WIDTH, "", 1215 PRINT_TIMESTAMP_WIDTH, "", 1482 PRINT_TIMEHIST_CPU_WIDTH, "", 1216 PRINT_TIMEHIST_CPU_WIDTH, "", 1483 PRINT_KWORK_NAME_WIDTH, "(TYPE 1217 PRINT_KWORK_NAME_WIDTH, "(TYPE)NAME:NUM", 1484 PRINT_RUNTIME_WIDTH, "(msec)", 1218 PRINT_RUNTIME_WIDTH, "(msec)", 1485 PRINT_RUNTIME_WIDTH, "(msec)") 1219 PRINT_RUNTIME_WIDTH, "(msec)"); 1486 1220 1487 /* 1221 /* 1488 * separator 1222 * separator 1489 */ 1223 */ 1490 printf(" %.*s %.*s %.*s %.*s %.*s 1224 printf(" %.*s %.*s %.*s %.*s %.*s %.*s\n", 1491 PRINT_TIMESTAMP_WIDTH, graph_d 1225 PRINT_TIMESTAMP_WIDTH, graph_dotted_line, 1492 PRINT_TIMESTAMP_WIDTH, graph_d 1226 PRINT_TIMESTAMP_WIDTH, graph_dotted_line, 1493 PRINT_TIMEHIST_CPU_WIDTH, grap 1227 PRINT_TIMEHIST_CPU_WIDTH, graph_dotted_line, 1494 PRINT_KWORK_NAME_WIDTH, graph_ 1228 PRINT_KWORK_NAME_WIDTH, graph_dotted_line, 1495 PRINT_RUNTIME_WIDTH, graph_dot 1229 PRINT_RUNTIME_WIDTH, graph_dotted_line, 1496 PRINT_RUNTIME_WIDTH, graph_dot 1230 PRINT_RUNTIME_WIDTH, graph_dotted_line); 1497 } 1231 } 1498 1232 1499 static void print_summary(struct perf_kwork * 1233 static void print_summary(struct perf_kwork *kwork) 1500 { 1234 { 1501 u64 time = kwork->timeend - kwork->ti 1235 u64 time = kwork->timeend - kwork->timestart; 1502 1236 1503 printf(" Total count : %9 1237 printf(" Total count : %9" PRIu64 "\n", kwork->all_count); 1504 printf(" Total runtime (msec) : %9 1238 printf(" Total runtime (msec) : %9.3f (%.3f%% load average)\n", 1505 (double)kwork->all_runtime / N 1239 (double)kwork->all_runtime / NSEC_PER_MSEC, 1506 time == 0 ? 0 : (double)kwork- 1240 time == 0 ? 0 : (double)kwork->all_runtime / time); 1507 printf(" Total time span (msec) : %9 1241 printf(" Total time span (msec) : %9.3f\n", 1508 (double)time / NSEC_PER_MSEC); 1242 (double)time / NSEC_PER_MSEC); 1509 } 1243 } 1510 1244 1511 static unsigned long long nr_list_entry(struc 1245 static unsigned long long nr_list_entry(struct list_head *head) 1512 { 1246 { 1513 struct list_head *pos; 1247 struct list_head *pos; 1514 unsigned long long n = 0; 1248 unsigned long long n = 0; 1515 1249 1516 list_for_each(pos, head) 1250 list_for_each(pos, head) 1517 n++; 1251 n++; 1518 1252 1519 return n; 1253 return n; 1520 } 1254 } 1521 1255 1522 static void print_skipped_events(struct perf_ 1256 static void print_skipped_events(struct perf_kwork *kwork) 1523 { 1257 { 1524 int i; 1258 int i; 1525 const char *const kwork_event_str[] = 1259 const char *const kwork_event_str[] = { 1526 [KWORK_TRACE_RAISE] = "raise" 1260 [KWORK_TRACE_RAISE] = "raise", 1527 [KWORK_TRACE_ENTRY] = "entry" 1261 [KWORK_TRACE_ENTRY] = "entry", 1528 [KWORK_TRACE_EXIT] = "exit", 1262 [KWORK_TRACE_EXIT] = "exit", 1529 }; 1263 }; 1530 1264 1531 if ((kwork->nr_skipped_events[KWORK_T 1265 if ((kwork->nr_skipped_events[KWORK_TRACE_MAX] != 0) && 1532 (kwork->nr_events != 0)) { 1266 (kwork->nr_events != 0)) { 1533 printf(" INFO: %.3f%% skippe 1267 printf(" INFO: %.3f%% skipped events (%" PRIu64 " including ", 1534 (double)kwork->nr_skip 1268 (double)kwork->nr_skipped_events[KWORK_TRACE_MAX] / 1535 (double)kwork->nr_even 1269 (double)kwork->nr_events * 100.0, 1536 kwork->nr_skipped_even 1270 kwork->nr_skipped_events[KWORK_TRACE_MAX]); 1537 1271 1538 for (i = 0; i < KWORK_TRACE_M 1272 for (i = 0; i < KWORK_TRACE_MAX; i++) { 1539 printf("%" PRIu64 " % 1273 printf("%" PRIu64 " %s%s", 1540 kwork->nr_skip 1274 kwork->nr_skipped_events[i], 1541 kwork_event_st 1275 kwork_event_str[i], 1542 (i == KWORK_TR 1276 (i == KWORK_TRACE_MAX - 1) ? ")\n" : ", "); 1543 } 1277 } 1544 } 1278 } 1545 1279 1546 if (verbose > 0) 1280 if (verbose > 0) 1547 printf(" INFO: use %lld atom 1281 printf(" INFO: use %lld atom pages\n", 1548 nr_list_entry(&kwork-> 1282 nr_list_entry(&kwork->atom_page_list)); 1549 } 1283 } 1550 1284 1551 static void print_bad_events(struct perf_kwor 1285 static void print_bad_events(struct perf_kwork *kwork) 1552 { 1286 { 1553 if ((kwork->nr_lost_events != 0) && ( 1287 if ((kwork->nr_lost_events != 0) && (kwork->nr_events != 0)) { 1554 printf(" INFO: %.3f%% lost e 1288 printf(" INFO: %.3f%% lost events (%ld out of %ld, in %ld chunks)\n", 1555 (double)kwork->nr_lost 1289 (double)kwork->nr_lost_events / 1556 (double)kwork->nr_even 1290 (double)kwork->nr_events * 100.0, 1557 kwork->nr_lost_events, 1291 kwork->nr_lost_events, kwork->nr_events, 1558 kwork->nr_lost_chunks) 1292 kwork->nr_lost_chunks); 1559 } 1293 } 1560 } 1294 } 1561 1295 1562 const char *graph_load = "||||||||||||||||||| !! 1296 static void work_sort(struct perf_kwork *kwork, struct kwork_class *class) 1563 const char *graph_idle = " << 1564 static void top_print_per_cpu_load(struct per << 1565 { << 1566 int i, load_width; << 1567 u64 total, load, load_ratio; << 1568 struct kwork_top_stat *stat = &kwork- << 1569 << 1570 for (i = 0; i < MAX_NR_CPUS; i++) { << 1571 total = stat->cpus_runtime[i] << 1572 load = stat->cpus_runtime[i]. << 1573 if (test_bit(i, stat->all_cpu << 1574 load_ratio = load * 1 << 1575 load_width = PRINT_CP << 1576 load_ratio / << 1577 << 1578 printf("%%Cpu%-*d[%.* << 1579 PRINT_CPU_WIDT << 1580 load_width, gr << 1581 PRINT_CPU_USAG << 1582 graph_idle, << 1583 PRINT_CPU_USAG << 1584 PRINT_CPU_USAG << 1585 (double)load_r << 1586 } << 1587 } << 1588 } << 1589 << 1590 static void top_print_cpu_usage(struct perf_k << 1591 { << 1592 struct kwork_top_stat *stat = &kwork- << 1593 u64 idle_time = stat->cpus_runtime[MA << 1594 u64 hardirq_time = stat->cpus_runtime << 1595 u64 softirq_time = stat->cpus_runtime << 1596 int cpus_nr = bitmap_weight(stat->all << 1597 u64 cpus_total_time = stat->cpus_runt << 1598 << 1599 printf("Total : %*.*f ms, %d cpus\n" << 1600 PRINT_RUNTIME_WIDTH, RPINT_DEC << 1601 (double)cpus_total_time / NSEC << 1602 cpus_nr); << 1603 << 1604 printf("%%Cpu(s): %*.*f%% id, %*.*f%% << 1605 PRINT_CPU_USAGE_WIDTH, PRINT_C << 1606 cpus_total_time ? (double)idle << 1607 << 1608 PRINT_CPU_USAGE_WIDTH, PRINT_C << 1609 cpus_total_time ? (double)hard << 1610 << 1611 PRINT_CPU_USAGE_WIDTH, PRINT_C << 1612 cpus_total_time ? (double)soft << 1613 << 1614 top_print_per_cpu_load(kwork); << 1615 } << 1616 << 1617 static void top_print_header(struct perf_kwor << 1618 { << 1619 int ret; << 1620 << 1621 printf("\n "); << 1622 ret = printf(" %*s %s%*s%s %*s %*s << 1623 PRINT_PID_WIDTH, "PID", << 1624 << 1625 kwork->use_bpf ? " " : " << 1626 kwork->use_bpf ? PRINT_P << 1627 kwork->use_bpf ? "SPID" << 1628 kwork->use_bpf ? " " : " << 1629 << 1630 PRINT_CPU_USAGE_WIDTH, " << 1631 PRINT_RUNTIME_HEADER_WID << 1632 PRINT_TASK_NAME_WIDTH, " << 1633 printf("\n "); << 1634 print_separator(ret); << 1635 } << 1636 << 1637 static int top_print_work(struct perf_kwork * << 1638 { << 1639 int ret = 0; << 1640 << 1641 printf(" "); << 1642 << 1643 /* << 1644 * pid << 1645 */ << 1646 ret += printf(" %*" PRIu64 " ", PRINT << 1647 << 1648 /* << 1649 * tgid << 1650 */ << 1651 if (kwork->use_bpf) << 1652 ret += printf(" %*d ", PRINT_ << 1653 << 1654 /* << 1655 * cpu usage << 1656 */ << 1657 ret += printf(" %*.*f ", << 1658 PRINT_CPU_USAGE_WIDTH, << 1659 (double)work->cpu_usage << 1660 << 1661 /* << 1662 * total runtime << 1663 */ << 1664 ret += printf(" %*.*f ms ", << 1665 PRINT_RUNTIME_WIDTH + R << 1666 (double)work->total_run << 1667 << 1668 /* << 1669 * command << 1670 */ << 1671 if (kwork->use_bpf) << 1672 ret += printf(" %s%s%s", << 1673 work->is_kthrea << 1674 work->name, << 1675 work->is_kthrea << 1676 else << 1677 ret += printf(" %-*s", PRINT_ << 1678 << 1679 printf("\n"); << 1680 return ret; << 1681 } << 1682 << 1683 static void work_sort(struct perf_kwork *kwor << 1684 struct kwork_class *cla << 1685 { 1297 { 1686 struct rb_node *node; 1298 struct rb_node *node; 1687 struct kwork_work *data; 1299 struct kwork_work *data; >> 1300 struct rb_root_cached *root = &class->work_root; 1688 1301 1689 pr_debug("Sorting %s ...\n", class->n 1302 pr_debug("Sorting %s ...\n", class->name); 1690 for (;;) { 1303 for (;;) { 1691 node = rb_first_cached(root); 1304 node = rb_first_cached(root); 1692 if (!node) 1305 if (!node) 1693 break; 1306 break; 1694 1307 1695 rb_erase_cached(node, root); 1308 rb_erase_cached(node, root); 1696 data = rb_entry(node, struct 1309 data = rb_entry(node, struct kwork_work, node); 1697 work_insert(&kwork->sorted_wo 1310 work_insert(&kwork->sorted_work_root, 1698 data, &kwork-> 1311 data, &kwork->sort_list); 1699 } 1312 } 1700 } 1313 } 1701 1314 1702 static void perf_kwork__sort(struct perf_kwor 1315 static void perf_kwork__sort(struct perf_kwork *kwork) 1703 { 1316 { 1704 struct kwork_class *class; 1317 struct kwork_class *class; 1705 1318 1706 list_for_each_entry(class, &kwork->cl 1319 list_for_each_entry(class, &kwork->class_list, list) 1707 work_sort(kwork, class, &clas !! 1320 work_sort(kwork, class); 1708 } 1321 } 1709 1322 1710 static int perf_kwork__check_config(struct pe 1323 static int perf_kwork__check_config(struct perf_kwork *kwork, 1711 struct pe 1324 struct perf_session *session) 1712 { 1325 { 1713 int ret; 1326 int ret; 1714 struct evsel *evsel; 1327 struct evsel *evsel; 1715 struct kwork_class *class; 1328 struct kwork_class *class; 1716 1329 1717 static struct trace_kwork_handler rep 1330 static struct trace_kwork_handler report_ops = { 1718 .entry_event = report_entry_e 1331 .entry_event = report_entry_event, 1719 .exit_event = report_exit_ev 1332 .exit_event = report_exit_event, 1720 }; 1333 }; 1721 static struct trace_kwork_handler lat 1334 static struct trace_kwork_handler latency_ops = { 1722 .raise_event = latency_raise_ 1335 .raise_event = latency_raise_event, 1723 .entry_event = latency_entry_ 1336 .entry_event = latency_entry_event, 1724 }; 1337 }; 1725 static struct trace_kwork_handler tim 1338 static struct trace_kwork_handler timehist_ops = { 1726 .raise_event = timehist_raise 1339 .raise_event = timehist_raise_event, 1727 .entry_event = timehist_entry 1340 .entry_event = timehist_entry_event, 1728 .exit_event = timehist_exit_ 1341 .exit_event = timehist_exit_event, 1729 }; 1342 }; 1730 static struct trace_kwork_handler top << 1731 .entry_event = timehis << 1732 .exit_event = top_exi << 1733 .sched_switch_event = top_sch << 1734 }; << 1735 1343 1736 switch (kwork->report) { 1344 switch (kwork->report) { 1737 case KWORK_REPORT_RUNTIME: 1345 case KWORK_REPORT_RUNTIME: 1738 kwork->tp_handler = &report_o 1346 kwork->tp_handler = &report_ops; 1739 break; 1347 break; 1740 case KWORK_REPORT_LATENCY: 1348 case KWORK_REPORT_LATENCY: 1741 kwork->tp_handler = &latency_ 1349 kwork->tp_handler = &latency_ops; 1742 break; 1350 break; 1743 case KWORK_REPORT_TIMEHIST: 1351 case KWORK_REPORT_TIMEHIST: 1744 kwork->tp_handler = &timehist 1352 kwork->tp_handler = &timehist_ops; 1745 break; 1353 break; 1746 case KWORK_REPORT_TOP: << 1747 kwork->tp_handler = &top_ops; << 1748 break; << 1749 default: 1354 default: 1750 pr_debug("Invalid report type 1355 pr_debug("Invalid report type %d\n", kwork->report); 1751 return -1; 1356 return -1; 1752 } 1357 } 1753 1358 1754 list_for_each_entry(class, &kwork->cl 1359 list_for_each_entry(class, &kwork->class_list, list) 1755 if ((class->class_init != NUL 1360 if ((class->class_init != NULL) && 1756 (class->class_init(class, 1361 (class->class_init(class, session) != 0)) 1757 return -1; 1362 return -1; 1758 1363 1759 if (kwork->cpu_list != NULL) { 1364 if (kwork->cpu_list != NULL) { 1760 ret = perf_session__cpu_bitma 1365 ret = perf_session__cpu_bitmap(session, 1761 1366 kwork->cpu_list, 1762 1367 kwork->cpu_bitmap); 1763 if (ret < 0) { 1368 if (ret < 0) { 1764 pr_err("Invalid cpu b 1369 pr_err("Invalid cpu bitmap\n"); 1765 return -1; 1370 return -1; 1766 } 1371 } 1767 } 1372 } 1768 1373 1769 if (kwork->time_str != NULL) { 1374 if (kwork->time_str != NULL) { 1770 ret = perf_time__parse_str(&k 1375 ret = perf_time__parse_str(&kwork->ptime, kwork->time_str); 1771 if (ret != 0) { 1376 if (ret != 0) { 1772 pr_err("Invalid time 1377 pr_err("Invalid time span\n"); 1773 return -1; 1378 return -1; 1774 } 1379 } 1775 } 1380 } 1776 1381 1777 list_for_each_entry(evsel, &session-> 1382 list_for_each_entry(evsel, &session->evlist->core.entries, core.node) { 1778 if (kwork->show_callchain && 1383 if (kwork->show_callchain && !evsel__has_callchain(evsel)) { 1779 pr_debug("Samples do 1384 pr_debug("Samples do not have callchains\n"); 1780 kwork->show_callchain 1385 kwork->show_callchain = 0; 1781 symbol_conf.use_callc 1386 symbol_conf.use_callchain = 0; 1782 } 1387 } 1783 } 1388 } 1784 1389 1785 return 0; 1390 return 0; 1786 } 1391 } 1787 1392 1788 static int perf_kwork__read_events(struct per 1393 static int perf_kwork__read_events(struct perf_kwork *kwork) 1789 { 1394 { 1790 int ret = -1; 1395 int ret = -1; 1791 struct perf_session *session = NULL; 1396 struct perf_session *session = NULL; 1792 1397 1793 struct perf_data data = { 1398 struct perf_data data = { 1794 .path = input_name, 1399 .path = input_name, 1795 .mode = PERF_DATA_MODE_READ, 1400 .mode = PERF_DATA_MODE_READ, 1796 .force = kwork->force, 1401 .force = kwork->force, 1797 }; 1402 }; 1798 1403 1799 session = perf_session__new(&data, &k 1404 session = perf_session__new(&data, &kwork->tool); 1800 if (IS_ERR(session)) { 1405 if (IS_ERR(session)) { 1801 pr_debug("Error creating perf 1406 pr_debug("Error creating perf session\n"); 1802 return PTR_ERR(session); 1407 return PTR_ERR(session); 1803 } 1408 } 1804 1409 1805 symbol__init(&session->header.env); 1410 symbol__init(&session->header.env); 1806 1411 1807 if (perf_kwork__check_config(kwork, s 1412 if (perf_kwork__check_config(kwork, session) != 0) 1808 goto out_delete; 1413 goto out_delete; 1809 1414 1810 if (session->tevent.pevent && 1415 if (session->tevent.pevent && 1811 tep_set_function_resolver(session 1416 tep_set_function_resolver(session->tevent.pevent, 1812 machine 1417 machine__resolve_kernel_addr, 1813 &sessio 1418 &session->machines.host) < 0) { 1814 pr_err("Failed to set libtrac 1419 pr_err("Failed to set libtraceevent function resolver\n"); 1815 goto out_delete; 1420 goto out_delete; 1816 } 1421 } 1817 1422 1818 if (kwork->report == KWORK_REPORT_TIM 1423 if (kwork->report == KWORK_REPORT_TIMEHIST) 1819 timehist_print_header(); 1424 timehist_print_header(); 1820 1425 1821 ret = perf_session__process_events(se 1426 ret = perf_session__process_events(session); 1822 if (ret) { 1427 if (ret) { 1823 pr_debug("Failed to process e 1428 pr_debug("Failed to process events, error %d\n", ret); 1824 goto out_delete; 1429 goto out_delete; 1825 } 1430 } 1826 1431 1827 kwork->nr_events = session->evli 1432 kwork->nr_events = session->evlist->stats.nr_events[0]; 1828 kwork->nr_lost_events = session->evli 1433 kwork->nr_lost_events = session->evlist->stats.total_lost; 1829 kwork->nr_lost_chunks = session->evli 1434 kwork->nr_lost_chunks = session->evlist->stats.nr_events[PERF_RECORD_LOST]; 1830 1435 1831 out_delete: 1436 out_delete: 1832 perf_session__delete(session); 1437 perf_session__delete(session); 1833 return ret; 1438 return ret; 1834 } 1439 } 1835 1440 1836 static void process_skipped_events(struct per 1441 static void process_skipped_events(struct perf_kwork *kwork, 1837 struct kwo 1442 struct kwork_work *work) 1838 { 1443 { 1839 int i; 1444 int i; 1840 unsigned long long count; 1445 unsigned long long count; 1841 1446 1842 for (i = 0; i < KWORK_TRACE_MAX; i++) 1447 for (i = 0; i < KWORK_TRACE_MAX; i++) { 1843 count = nr_list_entry(&work-> 1448 count = nr_list_entry(&work->atom_list[i]); 1844 kwork->nr_skipped_events[i] + 1449 kwork->nr_skipped_events[i] += count; 1845 kwork->nr_skipped_events[KWOR 1450 kwork->nr_skipped_events[KWORK_TRACE_MAX] += count; 1846 } 1451 } 1847 } 1452 } 1848 1453 1849 struct kwork_work *perf_kwork_add_work(struct 1454 struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork, 1850 struct 1455 struct kwork_class *class, 1851 struct 1456 struct kwork_work *key) 1852 { 1457 { 1853 struct kwork_work *work = NULL; 1458 struct kwork_work *work = NULL; 1854 1459 1855 work = work_new(key); 1460 work = work_new(key); 1856 if (work == NULL) 1461 if (work == NULL) 1857 return NULL; 1462 return NULL; 1858 1463 1859 work_insert(&class->work_root, work, 1464 work_insert(&class->work_root, work, &kwork->cmp_id); 1860 return work; 1465 return work; 1861 } 1466 } 1862 1467 1863 static void sig_handler(int sig) 1468 static void sig_handler(int sig) 1864 { 1469 { 1865 /* 1470 /* 1866 * Simply capture termination signal 1471 * Simply capture termination signal so that 1867 * the program can continue after pau 1472 * the program can continue after pause returns 1868 */ 1473 */ 1869 pr_debug("Capture signal %d\n", sig); !! 1474 pr_debug("Captuer signal %d\n", sig); 1870 } 1475 } 1871 1476 1872 static int perf_kwork__report_bpf(struct perf 1477 static int perf_kwork__report_bpf(struct perf_kwork *kwork) 1873 { 1478 { 1874 int ret; 1479 int ret; 1875 1480 1876 signal(SIGINT, sig_handler); 1481 signal(SIGINT, sig_handler); 1877 signal(SIGTERM, sig_handler); 1482 signal(SIGTERM, sig_handler); 1878 1483 1879 ret = perf_kwork__trace_prepare_bpf(k 1484 ret = perf_kwork__trace_prepare_bpf(kwork); 1880 if (ret) 1485 if (ret) 1881 return -1; 1486 return -1; 1882 1487 1883 printf("Starting trace, Hit <Ctrl+C> 1488 printf("Starting trace, Hit <Ctrl+C> to stop and report\n"); 1884 1489 1885 perf_kwork__trace_start(); 1490 perf_kwork__trace_start(); 1886 1491 1887 /* 1492 /* 1888 * a simple pause, wait here for stop 1493 * a simple pause, wait here for stop signal 1889 */ 1494 */ 1890 pause(); 1495 pause(); 1891 1496 1892 perf_kwork__trace_finish(); 1497 perf_kwork__trace_finish(); 1893 1498 1894 perf_kwork__report_read_bpf(kwork); 1499 perf_kwork__report_read_bpf(kwork); 1895 1500 1896 perf_kwork__report_cleanup_bpf(); 1501 perf_kwork__report_cleanup_bpf(); 1897 1502 1898 return 0; 1503 return 0; 1899 } 1504 } 1900 1505 1901 static int perf_kwork__report(struct perf_kwo 1506 static int perf_kwork__report(struct perf_kwork *kwork) 1902 { 1507 { 1903 int ret; 1508 int ret; 1904 struct rb_node *next; 1509 struct rb_node *next; 1905 struct kwork_work *work; 1510 struct kwork_work *work; 1906 1511 1907 if (kwork->use_bpf) 1512 if (kwork->use_bpf) 1908 ret = perf_kwork__report_bpf( 1513 ret = perf_kwork__report_bpf(kwork); 1909 else 1514 else 1910 ret = perf_kwork__read_events 1515 ret = perf_kwork__read_events(kwork); 1911 1516 1912 if (ret != 0) 1517 if (ret != 0) 1913 return -1; 1518 return -1; 1914 1519 1915 perf_kwork__sort(kwork); 1520 perf_kwork__sort(kwork); 1916 1521 1917 setup_pager(); 1522 setup_pager(); 1918 1523 1919 ret = report_print_header(kwork); 1524 ret = report_print_header(kwork); 1920 next = rb_first_cached(&kwork->sorted 1525 next = rb_first_cached(&kwork->sorted_work_root); 1921 while (next) { 1526 while (next) { 1922 work = rb_entry(next, struct 1527 work = rb_entry(next, struct kwork_work, node); 1923 process_skipped_events(kwork, 1528 process_skipped_events(kwork, work); 1924 1529 1925 if (work->nr_atoms != 0) { 1530 if (work->nr_atoms != 0) { 1926 report_print_work(kwo 1531 report_print_work(kwork, work); 1927 if (kwork->summary) { 1532 if (kwork->summary) { 1928 kwork->all_ru 1533 kwork->all_runtime += work->total_runtime; 1929 kwork->all_co 1534 kwork->all_count += work->nr_atoms; 1930 } 1535 } 1931 } 1536 } 1932 next = rb_next(next); 1537 next = rb_next(next); 1933 } 1538 } 1934 print_separator(ret); 1539 print_separator(ret); 1935 1540 1936 if (kwork->summary) { 1541 if (kwork->summary) { 1937 print_summary(kwork); 1542 print_summary(kwork); 1938 print_separator(ret); 1543 print_separator(ret); 1939 } 1544 } 1940 1545 1941 print_bad_events(kwork); 1546 print_bad_events(kwork); 1942 print_skipped_events(kwork); 1547 print_skipped_events(kwork); 1943 printf("\n"); 1548 printf("\n"); 1944 1549 1945 return 0; 1550 return 0; 1946 } 1551 } 1947 1552 1948 typedef int (*tracepoint_handler)(struct perf 1553 typedef int (*tracepoint_handler)(struct perf_tool *tool, 1949 struct evse 1554 struct evsel *evsel, 1950 struct perf 1555 struct perf_sample *sample, 1951 struct mach 1556 struct machine *machine); 1952 1557 1953 static int perf_kwork__process_tracepoint_sam 1558 static int perf_kwork__process_tracepoint_sample(struct perf_tool *tool, 1954 1559 union perf_event *event __maybe_unused, 1955 1560 struct perf_sample *sample, 1956 1561 struct evsel *evsel, 1957 1562 struct machine *machine) 1958 { 1563 { 1959 int err = 0; 1564 int err = 0; 1960 1565 1961 if (evsel->handler != NULL) { 1566 if (evsel->handler != NULL) { 1962 tracepoint_handler f = evsel- 1567 tracepoint_handler f = evsel->handler; 1963 1568 1964 err = f(tool, evsel, sample, 1569 err = f(tool, evsel, sample, machine); 1965 } 1570 } 1966 1571 1967 return err; 1572 return err; 1968 } 1573 } 1969 1574 1970 static int perf_kwork__timehist(struct perf_k 1575 static int perf_kwork__timehist(struct perf_kwork *kwork) 1971 { 1576 { 1972 /* 1577 /* 1973 * event handlers for timehist option 1578 * event handlers for timehist option 1974 */ 1579 */ 1975 kwork->tool.comm = perf_event 1580 kwork->tool.comm = perf_event__process_comm; 1976 kwork->tool.exit = perf_event 1581 kwork->tool.exit = perf_event__process_exit; 1977 kwork->tool.fork = perf_event 1582 kwork->tool.fork = perf_event__process_fork; 1978 kwork->tool.attr = perf_event 1583 kwork->tool.attr = perf_event__process_attr; 1979 kwork->tool.tracing_data = perf_event 1584 kwork->tool.tracing_data = perf_event__process_tracing_data; 1980 kwork->tool.build_id = perf_event 1585 kwork->tool.build_id = perf_event__process_build_id; 1981 kwork->tool.ordered_events = true; 1586 kwork->tool.ordered_events = true; 1982 kwork->tool.ordering_requires_timesta 1587 kwork->tool.ordering_requires_timestamps = true; 1983 symbol_conf.use_callchain = kwork->sh 1588 symbol_conf.use_callchain = kwork->show_callchain; 1984 1589 1985 if (symbol__validate_sym_arguments()) 1590 if (symbol__validate_sym_arguments()) { 1986 pr_err("Failed to validate sy 1591 pr_err("Failed to validate sym arguments\n"); 1987 return -1; 1592 return -1; 1988 } 1593 } 1989 1594 1990 setup_pager(); 1595 setup_pager(); 1991 1596 1992 return perf_kwork__read_events(kwork) 1597 return perf_kwork__read_events(kwork); 1993 } 1598 } 1994 1599 1995 static void top_calc_total_runtime(struct per << 1996 { << 1997 struct kwork_class *class; << 1998 struct kwork_work *work; << 1999 struct rb_node *next; << 2000 struct kwork_top_stat *stat = &kwork- << 2001 << 2002 class = get_kwork_class(kwork, KWORK_ << 2003 if (!class) << 2004 return; << 2005 << 2006 next = rb_first_cached(&class->work_r << 2007 while (next) { << 2008 work = rb_entry(next, struct << 2009 BUG_ON(work->cpu >= MAX_NR_CP << 2010 stat->cpus_runtime[work->cpu] << 2011 stat->cpus_runtime[MAX_NR_CPU << 2012 next = rb_next(next); << 2013 } << 2014 } << 2015 << 2016 static void top_calc_idle_time(struct perf_kw << 2017 struct kwork_ << 2018 { << 2019 struct kwork_top_stat *stat = &kwork- << 2020 << 2021 if (work->id == 0) { << 2022 stat->cpus_runtime[work->cpu] << 2023 stat->cpus_runtime[MAX_NR_CPU << 2024 } << 2025 } << 2026 << 2027 static void top_calc_irq_runtime(struct perf_ << 2028 enum kwork_c << 2029 struct kwork << 2030 { << 2031 struct kwork_top_stat *stat = &kwork- << 2032 << 2033 if (type == KWORK_CLASS_IRQ) { << 2034 stat->cpus_runtime[work->cpu] << 2035 stat->cpus_runtime[MAX_NR_CPU << 2036 } else if (type == KWORK_CLASS_SOFTIR << 2037 stat->cpus_runtime[work->cpu] << 2038 stat->cpus_runtime[MAX_NR_CPU << 2039 } << 2040 } << 2041 << 2042 static void top_subtract_irq_runtime(struct p << 2043 struct k << 2044 { << 2045 struct kwork_class *class; << 2046 struct kwork_work *data; << 2047 unsigned int i; << 2048 int irq_class_list[] = {KWORK_CLASS_I << 2049 << 2050 for (i = 0; i < ARRAY_SIZE(irq_class_ << 2051 class = get_kwork_class(kwork << 2052 if (!class) << 2053 continue; << 2054 << 2055 data = find_work_by_id(&class << 2056 work-> << 2057 if (!data) << 2058 continue; << 2059 << 2060 if (work->total_runtime > dat << 2061 work->total_runtime - << 2062 top_calc_irq_runtime( << 2063 } << 2064 } << 2065 } << 2066 << 2067 static void top_calc_cpu_usage(struct perf_kw << 2068 { << 2069 struct kwork_class *class; << 2070 struct kwork_work *work; << 2071 struct rb_node *next; << 2072 struct kwork_top_stat *stat = &kwork- << 2073 << 2074 class = get_kwork_class(kwork, KWORK_ << 2075 if (!class) << 2076 return; << 2077 << 2078 next = rb_first_cached(&class->work_r << 2079 while (next) { << 2080 work = rb_entry(next, struct << 2081 << 2082 if (work->total_runtime == 0) << 2083 goto next; << 2084 << 2085 __set_bit(work->cpu, stat->al << 2086 << 2087 top_subtract_irq_runtime(kwor << 2088 << 2089 work->cpu_usage = work->total << 2090 stat->cpus_runtime[wo << 2091 << 2092 top_calc_idle_time(kwork, wor << 2093 next: << 2094 next = rb_next(next); << 2095 } << 2096 } << 2097 << 2098 static void top_calc_load_runtime(struct perf << 2099 struct kwor << 2100 { << 2101 struct kwork_top_stat *stat = &kwork- << 2102 << 2103 if (work->id != 0) { << 2104 stat->cpus_runtime[work->cpu] << 2105 stat->cpus_runtime[MAX_NR_CPU << 2106 } << 2107 } << 2108 << 2109 static void top_merge_tasks(struct perf_kwork << 2110 { << 2111 struct kwork_work *merged_work, *data << 2112 struct kwork_class *class; << 2113 struct rb_node *node; << 2114 int cpu; << 2115 struct rb_root_cached merged_root = R << 2116 << 2117 class = get_kwork_class(kwork, KWORK_ << 2118 if (!class) << 2119 return; << 2120 << 2121 for (;;) { << 2122 node = rb_first_cached(&class << 2123 if (!node) << 2124 break; << 2125 << 2126 rb_erase_cached(node, &class- << 2127 data = rb_entry(node, struct << 2128 << 2129 if (!profile_name_match(kwork << 2130 continue; << 2131 << 2132 cpu = data->cpu; << 2133 merged_work = find_work_by_id << 2134 << 2135 if (!merged_work) { << 2136 work_insert(&merged_r << 2137 } else { << 2138 merged_work->total_ru << 2139 merged_work->cpu_usag << 2140 } << 2141 << 2142 top_calc_load_runtime(kwork, << 2143 } << 2144 << 2145 work_sort(kwork, class, &merged_root) << 2146 } << 2147 << 2148 static void perf_kwork__top_report(struct per << 2149 { << 2150 struct kwork_work *work; << 2151 struct rb_node *next; << 2152 << 2153 printf("\n"); << 2154 << 2155 top_print_cpu_usage(kwork); << 2156 top_print_header(kwork); << 2157 next = rb_first_cached(&kwork->sorted << 2158 while (next) { << 2159 work = rb_entry(next, struct << 2160 process_skipped_events(kwork, << 2161 << 2162 if (work->total_runtime == 0) << 2163 goto next; << 2164 << 2165 top_print_work(kwork, work); << 2166 << 2167 next: << 2168 next = rb_next(next); << 2169 } << 2170 << 2171 printf("\n"); << 2172 } << 2173 << 2174 static int perf_kwork__top_bpf(struct perf_kw << 2175 { << 2176 int ret; << 2177 << 2178 signal(SIGINT, sig_handler); << 2179 signal(SIGTERM, sig_handler); << 2180 << 2181 ret = perf_kwork__top_prepare_bpf(kwo << 2182 if (ret) << 2183 return -1; << 2184 << 2185 printf("Starting trace, Hit <Ctrl+C> << 2186 << 2187 perf_kwork__top_start(); << 2188 << 2189 /* << 2190 * a simple pause, wait here for stop << 2191 */ << 2192 pause(); << 2193 << 2194 perf_kwork__top_finish(); << 2195 << 2196 perf_kwork__top_read_bpf(kwork); << 2197 << 2198 perf_kwork__top_cleanup_bpf(); << 2199 << 2200 return 0; << 2201 << 2202 } << 2203 << 2204 static int perf_kwork__top(struct perf_kwork << 2205 { << 2206 struct __top_cpus_runtime *cpus_runti << 2207 int ret = 0; << 2208 << 2209 cpus_runtime = zalloc(sizeof(struct _ << 2210 if (!cpus_runtime) << 2211 return -1; << 2212 << 2213 kwork->top_stat.cpus_runtime = cpus_r << 2214 bitmap_zero(kwork->top_stat.all_cpus_ << 2215 << 2216 if (kwork->use_bpf) << 2217 ret = perf_kwork__top_bpf(kwo << 2218 else << 2219 ret = perf_kwork__read_events << 2220 << 2221 if (ret) << 2222 goto out; << 2223 << 2224 top_calc_total_runtime(kwork); << 2225 top_calc_cpu_usage(kwork); << 2226 top_merge_tasks(kwork); << 2227 << 2228 setup_pager(); << 2229 << 2230 perf_kwork__top_report(kwork); << 2231 << 2232 out: << 2233 zfree(&kwork->top_stat.cpus_runtime); << 2234 return ret; << 2235 } << 2236 << 2237 static void setup_event_list(struct perf_kwor 1600 static void setup_event_list(struct perf_kwork *kwork, 2238 const struct opt 1601 const struct option *options, 2239 const char * con 1602 const char * const usage_msg[]) 2240 { 1603 { 2241 int i; 1604 int i; 2242 struct kwork_class *class; 1605 struct kwork_class *class; 2243 char *tmp, *tok, *str; 1606 char *tmp, *tok, *str; 2244 1607 2245 /* << 2246 * set default events list if not spe << 2247 */ << 2248 if (kwork->event_list_str == NULL) 1608 if (kwork->event_list_str == NULL) 2249 kwork->event_list_str = "irq, !! 1609 goto null_event_list_str; 2250 1610 2251 str = strdup(kwork->event_list_str); 1611 str = strdup(kwork->event_list_str); 2252 for (tok = strtok_r(str, ", ", &tmp); 1612 for (tok = strtok_r(str, ", ", &tmp); 2253 tok; tok = strtok_r(NULL, ", ", 1613 tok; tok = strtok_r(NULL, ", ", &tmp)) { 2254 for (i = 0; i < KWORK_CLASS_M 1614 for (i = 0; i < KWORK_CLASS_MAX; i++) { 2255 class = kwork_class_s 1615 class = kwork_class_supported_list[i]; 2256 if (strcmp(tok, class 1616 if (strcmp(tok, class->name) == 0) { 2257 list_add_tail 1617 list_add_tail(&class->list, &kwork->class_list); 2258 break; 1618 break; 2259 } 1619 } 2260 } 1620 } 2261 if (i == KWORK_CLASS_MAX) { 1621 if (i == KWORK_CLASS_MAX) { 2262 usage_with_options_ms 1622 usage_with_options_msg(usage_msg, options, 2263 1623 "Unknown --event key: `%s'", tok); 2264 } 1624 } 2265 } 1625 } 2266 free(str); 1626 free(str); 2267 1627 >> 1628 null_event_list_str: >> 1629 /* >> 1630 * config all kwork events if not specified >> 1631 */ >> 1632 if (list_empty(&kwork->class_list)) { >> 1633 for (i = 0; i < KWORK_CLASS_MAX; i++) { >> 1634 list_add_tail(&kwork_class_supported_list[i]->list, >> 1635 &kwork->class_list); >> 1636 } >> 1637 } >> 1638 2268 pr_debug("Config event list:"); 1639 pr_debug("Config event list:"); 2269 list_for_each_entry(class, &kwork->cl 1640 list_for_each_entry(class, &kwork->class_list, list) 2270 pr_debug(" %s", class->name); 1641 pr_debug(" %s", class->name); 2271 pr_debug("\n"); 1642 pr_debug("\n"); 2272 } 1643 } 2273 1644 2274 static int perf_kwork__record(struct perf_kwo 1645 static int perf_kwork__record(struct perf_kwork *kwork, 2275 int argc, const 1646 int argc, const char **argv) 2276 { 1647 { 2277 const char **rec_argv; 1648 const char **rec_argv; 2278 unsigned int rec_argc, i, j; 1649 unsigned int rec_argc, i, j; 2279 struct kwork_class *class; 1650 struct kwork_class *class; 2280 1651 2281 const char *const record_args[] = { 1652 const char *const record_args[] = { 2282 "record", 1653 "record", 2283 "-a", 1654 "-a", 2284 "-R", 1655 "-R", 2285 "-m", "1024", 1656 "-m", "1024", 2286 "-c", "1", 1657 "-c", "1", 2287 }; 1658 }; 2288 1659 2289 rec_argc = ARRAY_SIZE(record_args) + 1660 rec_argc = ARRAY_SIZE(record_args) + argc - 1; 2290 1661 2291 list_for_each_entry(class, &kwork->cl 1662 list_for_each_entry(class, &kwork->class_list, list) 2292 rec_argc += 2 * class->nr_tra 1663 rec_argc += 2 * class->nr_tracepoints; 2293 1664 2294 rec_argv = calloc(rec_argc + 1, sizeo 1665 rec_argv = calloc(rec_argc + 1, sizeof(char *)); 2295 if (rec_argv == NULL) 1666 if (rec_argv == NULL) 2296 return -ENOMEM; 1667 return -ENOMEM; 2297 1668 2298 for (i = 0; i < ARRAY_SIZE(record_arg 1669 for (i = 0; i < ARRAY_SIZE(record_args); i++) 2299 rec_argv[i] = strdup(record_a 1670 rec_argv[i] = strdup(record_args[i]); 2300 1671 2301 list_for_each_entry(class, &kwork->cl 1672 list_for_each_entry(class, &kwork->class_list, list) { 2302 for (j = 0; j < class->nr_tra 1673 for (j = 0; j < class->nr_tracepoints; j++) { 2303 rec_argv[i++] = strdu 1674 rec_argv[i++] = strdup("-e"); 2304 rec_argv[i++] = strdu 1675 rec_argv[i++] = strdup(class->tp_handlers[j].name); 2305 } 1676 } 2306 } 1677 } 2307 1678 2308 for (j = 1; j < (unsigned int)argc; j 1679 for (j = 1; j < (unsigned int)argc; j++, i++) 2309 rec_argv[i] = argv[j]; 1680 rec_argv[i] = argv[j]; 2310 1681 2311 BUG_ON(i != rec_argc); 1682 BUG_ON(i != rec_argc); 2312 1683 2313 pr_debug("record comm: "); 1684 pr_debug("record comm: "); 2314 for (j = 0; j < rec_argc; j++) 1685 for (j = 0; j < rec_argc; j++) 2315 pr_debug("%s ", rec_argv[j]); 1686 pr_debug("%s ", rec_argv[j]); 2316 pr_debug("\n"); 1687 pr_debug("\n"); 2317 1688 2318 return cmd_record(i, rec_argv); 1689 return cmd_record(i, rec_argv); 2319 } 1690 } 2320 1691 2321 int cmd_kwork(int argc, const char **argv) 1692 int cmd_kwork(int argc, const char **argv) 2322 { 1693 { 2323 static struct perf_kwork kwork = { 1694 static struct perf_kwork kwork = { 2324 .class_list = LIST_H 1695 .class_list = LIST_HEAD_INIT(kwork.class_list), 2325 .tool = { 1696 .tool = { 2326 .mmap = per 1697 .mmap = perf_event__process_mmap, 2327 .mmap2 = per 1698 .mmap2 = perf_event__process_mmap2, 2328 .sample = per 1699 .sample = perf_kwork__process_tracepoint_sample, 2329 .ordered_events = tru 1700 .ordered_events = true, 2330 }, 1701 }, 2331 .atom_page_list = LIST_H 1702 .atom_page_list = LIST_HEAD_INIT(kwork.atom_page_list), 2332 .sort_list = LIST_H 1703 .sort_list = LIST_HEAD_INIT(kwork.sort_list), 2333 .cmp_id = LIST_H 1704 .cmp_id = LIST_HEAD_INIT(kwork.cmp_id), 2334 .sorted_work_root = RB_ROO 1705 .sorted_work_root = RB_ROOT_CACHED, 2335 .tp_handler = NULL, 1706 .tp_handler = NULL, 2336 .profile_name = NULL, 1707 .profile_name = NULL, 2337 .cpu_list = NULL, 1708 .cpu_list = NULL, 2338 .time_str = NULL, 1709 .time_str = NULL, 2339 .force = false, 1710 .force = false, 2340 .event_list_str = NULL, 1711 .event_list_str = NULL, 2341 .summary = false, 1712 .summary = false, 2342 .sort_order = NULL, 1713 .sort_order = NULL, 2343 .show_callchain = false, 1714 .show_callchain = false, 2344 .max_stack = 5, 1715 .max_stack = 5, 2345 .timestart = 0, 1716 .timestart = 0, 2346 .timeend = 0, 1717 .timeend = 0, 2347 .nr_events = 0, 1718 .nr_events = 0, 2348 .nr_lost_chunks = 0, 1719 .nr_lost_chunks = 0, 2349 .nr_lost_events = 0, 1720 .nr_lost_events = 0, 2350 .all_runtime = 0, 1721 .all_runtime = 0, 2351 .all_count = 0, 1722 .all_count = 0, 2352 .nr_skipped_events = { 0 }, 1723 .nr_skipped_events = { 0 }, 2353 }; 1724 }; 2354 static const char default_report_sort 1725 static const char default_report_sort_order[] = "runtime, max, count"; 2355 static const char default_latency_sor 1726 static const char default_latency_sort_order[] = "avg, max, count"; 2356 static const char default_top_sort_or << 2357 const struct option kwork_options[] = 1727 const struct option kwork_options[] = { 2358 OPT_INCR('v', "verbose", &verbose, 1728 OPT_INCR('v', "verbose", &verbose, 2359 "be more verbose (show symbo 1729 "be more verbose (show symbol address, etc)"), 2360 OPT_BOOLEAN('D', "dump-raw-trace", &d 1730 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 2361 "dump raw trace in ASCII" 1731 "dump raw trace in ASCII"), 2362 OPT_STRING('k', "kwork", &kwork.event 1732 OPT_STRING('k', "kwork", &kwork.event_list_str, "kwork", 2363 "list of kwork to profile !! 1733 "list of kwork to profile (irq, softirq, workqueue, etc)"), 2364 OPT_BOOLEAN('f', "force", &kwork.forc 1734 OPT_BOOLEAN('f', "force", &kwork.force, "don't complain, do it"), 2365 OPT_END() 1735 OPT_END() 2366 }; 1736 }; 2367 const struct option report_options[] 1737 const struct option report_options[] = { 2368 OPT_STRING('s', "sort", &kwork.sort_o 1738 OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", 2369 "sort by key(s): runtime, 1739 "sort by key(s): runtime, max, count"), 2370 OPT_STRING('C', "cpu", &kwork.cpu_lis 1740 OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 2371 "list of cpus to profile") 1741 "list of cpus to profile"), 2372 OPT_STRING('n', "name", &kwork.profil 1742 OPT_STRING('n', "name", &kwork.profile_name, "name", 2373 "event name to profile"), 1743 "event name to profile"), 2374 OPT_STRING(0, "time", &kwork.time_str 1744 OPT_STRING(0, "time", &kwork.time_str, "str", 2375 "Time span for analysis (s 1745 "Time span for analysis (start,stop)"), 2376 OPT_STRING('i', "input", &input_name, 1746 OPT_STRING('i', "input", &input_name, "file", 2377 "input file name"), 1747 "input file name"), 2378 OPT_BOOLEAN('S', "with-summary", &kwo 1748 OPT_BOOLEAN('S', "with-summary", &kwork.summary, 2379 "Show summary with statis 1749 "Show summary with statistics"), 2380 #ifdef HAVE_BPF_SKEL 1750 #ifdef HAVE_BPF_SKEL 2381 OPT_BOOLEAN('b', "use-bpf", &kwork.us 1751 OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf, 2382 "Use BPF to measure kwork 1752 "Use BPF to measure kwork runtime"), 2383 #endif 1753 #endif 2384 OPT_PARENT(kwork_options) 1754 OPT_PARENT(kwork_options) 2385 }; 1755 }; 2386 const struct option latency_options[] 1756 const struct option latency_options[] = { 2387 OPT_STRING('s', "sort", &kwork.sort_o 1757 OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", 2388 "sort by key(s): avg, max, 1758 "sort by key(s): avg, max, count"), 2389 OPT_STRING('C', "cpu", &kwork.cpu_lis 1759 OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 2390 "list of cpus to profile") 1760 "list of cpus to profile"), 2391 OPT_STRING('n', "name", &kwork.profil 1761 OPT_STRING('n', "name", &kwork.profile_name, "name", 2392 "event name to profile"), 1762 "event name to profile"), 2393 OPT_STRING(0, "time", &kwork.time_str 1763 OPT_STRING(0, "time", &kwork.time_str, "str", 2394 "Time span for analysis (s 1764 "Time span for analysis (start,stop)"), 2395 OPT_STRING('i', "input", &input_name, 1765 OPT_STRING('i', "input", &input_name, "file", 2396 "input file name"), 1766 "input file name"), 2397 #ifdef HAVE_BPF_SKEL 1767 #ifdef HAVE_BPF_SKEL 2398 OPT_BOOLEAN('b', "use-bpf", &kwork.us 1768 OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf, 2399 "Use BPF to measure kwork 1769 "Use BPF to measure kwork latency"), 2400 #endif 1770 #endif 2401 OPT_PARENT(kwork_options) 1771 OPT_PARENT(kwork_options) 2402 }; 1772 }; 2403 const struct option timehist_options[ 1773 const struct option timehist_options[] = { 2404 OPT_STRING('k', "vmlinux", &symbol_co 1774 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 2405 "file", "vmlinux pathname" 1775 "file", "vmlinux pathname"), 2406 OPT_STRING(0, "kallsyms", &symbol_con 1776 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 2407 "file", "kallsyms pathname 1777 "file", "kallsyms pathname"), 2408 OPT_BOOLEAN('g', "call-graph", &kwork 1778 OPT_BOOLEAN('g', "call-graph", &kwork.show_callchain, 2409 "Display call chains if p 1779 "Display call chains if present"), 2410 OPT_UINTEGER(0, "max-stack", &kwork.m 1780 OPT_UINTEGER(0, "max-stack", &kwork.max_stack, 2411 "Maximum number of functio 1781 "Maximum number of functions to display backtrace."), 2412 OPT_STRING(0, "symfs", &symbol_conf.s 1782 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 2413 "Look for files with symb 1783 "Look for files with symbols relative to this directory"), 2414 OPT_STRING(0, "time", &kwork.time_str 1784 OPT_STRING(0, "time", &kwork.time_str, "str", 2415 "Time span for analysis (s 1785 "Time span for analysis (start,stop)"), 2416 OPT_STRING('C', "cpu", &kwork.cpu_lis 1786 OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 2417 "list of cpus to profile") 1787 "list of cpus to profile"), 2418 OPT_STRING('n', "name", &kwork.profil 1788 OPT_STRING('n', "name", &kwork.profile_name, "name", 2419 "event name to profile"), 1789 "event name to profile"), 2420 OPT_STRING('i', "input", &input_name, 1790 OPT_STRING('i', "input", &input_name, "file", 2421 "input file name"), 1791 "input file name"), 2422 OPT_PARENT(kwork_options) 1792 OPT_PARENT(kwork_options) 2423 }; 1793 }; 2424 const struct option top_options[] = { << 2425 OPT_STRING('s', "sort", &kwork.sort_o << 2426 "sort by key(s): rate, run << 2427 OPT_STRING('C', "cpu", &kwork.cpu_lis << 2428 "list of cpus to profile") << 2429 OPT_STRING('n', "name", &kwork.profil << 2430 "event name to profile"), << 2431 OPT_STRING(0, "time", &kwork.time_str << 2432 "Time span for analysis (s << 2433 OPT_STRING('i', "input", &input_name, << 2434 "input file name"), << 2435 #ifdef HAVE_BPF_SKEL << 2436 OPT_BOOLEAN('b', "use-bpf", &kwork.us << 2437 "Use BPF to measure task << 2438 #endif << 2439 OPT_PARENT(kwork_options) << 2440 }; << 2441 const char *kwork_usage[] = { 1794 const char *kwork_usage[] = { 2442 NULL, 1795 NULL, 2443 NULL 1796 NULL 2444 }; 1797 }; 2445 const char * const report_usage[] = { 1798 const char * const report_usage[] = { 2446 "perf kwork report [<options> 1799 "perf kwork report [<options>]", 2447 NULL 1800 NULL 2448 }; 1801 }; 2449 const char * const latency_usage[] = 1802 const char * const latency_usage[] = { 2450 "perf kwork latency [<options 1803 "perf kwork latency [<options>]", 2451 NULL 1804 NULL 2452 }; 1805 }; 2453 const char * const timehist_usage[] = 1806 const char * const timehist_usage[] = { 2454 "perf kwork timehist [<option 1807 "perf kwork timehist [<options>]", 2455 NULL 1808 NULL 2456 }; 1809 }; 2457 const char * const top_usage[] = { << 2458 "perf kwork top [<options>]", << 2459 NULL << 2460 }; << 2461 const char *const kwork_subcommands[] 1810 const char *const kwork_subcommands[] = { 2462 "record", "report", "latency" !! 1811 "record", "report", "latency", "timehist", NULL 2463 }; 1812 }; 2464 1813 2465 argc = parse_options_subcommand(argc, 1814 argc = parse_options_subcommand(argc, argv, kwork_options, 2466 kwork 1815 kwork_subcommands, kwork_usage, 2467 PARSE 1816 PARSE_OPT_STOP_AT_NON_OPTION); 2468 if (!argc) 1817 if (!argc) 2469 usage_with_options(kwork_usag 1818 usage_with_options(kwork_usage, kwork_options); 2470 1819 >> 1820 setup_event_list(&kwork, kwork_options, kwork_usage); 2471 sort_dimension__add(&kwork, "id", &kw 1821 sort_dimension__add(&kwork, "id", &kwork.cmp_id); 2472 1822 2473 if (strlen(argv[0]) > 2 && strstarts( !! 1823 if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) 2474 setup_event_list(&kwork, kwor << 2475 return perf_kwork__record(&kw 1824 return perf_kwork__record(&kwork, argc, argv); 2476 } else if (strlen(argv[0]) > 2 && str !! 1825 else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 2477 kwork.sort_order = default_re 1826 kwork.sort_order = default_report_sort_order; 2478 if (argc > 1) { 1827 if (argc > 1) { 2479 argc = parse_options( 1828 argc = parse_options(argc, argv, report_options, report_usage, 0); 2480 if (argc) 1829 if (argc) 2481 usage_with_op 1830 usage_with_options(report_usage, report_options); 2482 } 1831 } 2483 kwork.report = KWORK_REPORT_R 1832 kwork.report = KWORK_REPORT_RUNTIME; 2484 setup_sorting(&kwork, report_ 1833 setup_sorting(&kwork, report_options, report_usage); 2485 setup_event_list(&kwork, kwor << 2486 return perf_kwork__report(&kw 1834 return perf_kwork__report(&kwork); 2487 } else if (strlen(argv[0]) > 2 && str 1835 } else if (strlen(argv[0]) > 2 && strstarts("latency", argv[0])) { 2488 kwork.sort_order = default_la 1836 kwork.sort_order = default_latency_sort_order; 2489 if (argc > 1) { 1837 if (argc > 1) { 2490 argc = parse_options( 1838 argc = parse_options(argc, argv, latency_options, latency_usage, 0); 2491 if (argc) 1839 if (argc) 2492 usage_with_op 1840 usage_with_options(latency_usage, latency_options); 2493 } 1841 } 2494 kwork.report = KWORK_REPORT_L 1842 kwork.report = KWORK_REPORT_LATENCY; 2495 setup_sorting(&kwork, latency 1843 setup_sorting(&kwork, latency_options, latency_usage); 2496 setup_event_list(&kwork, kwor << 2497 return perf_kwork__report(&kw 1844 return perf_kwork__report(&kwork); 2498 } else if (strlen(argv[0]) > 2 && str 1845 } else if (strlen(argv[0]) > 2 && strstarts("timehist", argv[0])) { 2499 if (argc > 1) { 1846 if (argc > 1) { 2500 argc = parse_options( 1847 argc = parse_options(argc, argv, timehist_options, timehist_usage, 0); 2501 if (argc) 1848 if (argc) 2502 usage_with_op 1849 usage_with_options(timehist_usage, timehist_options); 2503 } 1850 } 2504 kwork.report = KWORK_REPORT_T 1851 kwork.report = KWORK_REPORT_TIMEHIST; 2505 setup_event_list(&kwork, kwor << 2506 return perf_kwork__timehist(& 1852 return perf_kwork__timehist(&kwork); 2507 } else if (strlen(argv[0]) > 2 && str << 2508 kwork.sort_order = default_to << 2509 if (argc > 1) { << 2510 argc = parse_options( << 2511 if (argc) << 2512 usage_with_op << 2513 } << 2514 kwork.report = KWORK_REPORT_T << 2515 if (!kwork.event_list_str) << 2516 kwork.event_list_str << 2517 setup_event_list(&kwork, kwor << 2518 setup_sorting(&kwork, top_opt << 2519 return perf_kwork__top(&kwork << 2520 } else 1853 } else 2521 usage_with_options(kwork_usag 1854 usage_with_options(kwork_usage, kwork_options); 2522 1855 2523 return 0; 1856 return 0; 2524 } 1857 } 2525 1858
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