10f70d8e9SYang Jihong // SPDX-License-Identifier: GPL-2.0 20f70d8e9SYang Jihong /* 30f70d8e9SYang Jihong * builtin-kwork.c 40f70d8e9SYang Jihong * 50f70d8e9SYang Jihong * Copyright (c) 2022 Huawei Inc, Yang Jihong <yangjihong1@huawei.com> 60f70d8e9SYang Jihong */ 70f70d8e9SYang Jihong 80f70d8e9SYang Jihong #include "builtin.h" 90f70d8e9SYang Jihong 100f70d8e9SYang Jihong #include "util/data.h" 110f70d8e9SYang Jihong #include "util/kwork.h" 120f70d8e9SYang Jihong #include "util/debug.h" 130f70d8e9SYang Jihong #include "util/symbol.h" 140f70d8e9SYang Jihong #include "util/thread.h" 150f70d8e9SYang Jihong #include "util/string2.h" 160f70d8e9SYang Jihong #include "util/callchain.h" 170f70d8e9SYang Jihong #include "util/evsel_fprintf.h" 180f70d8e9SYang Jihong 190f70d8e9SYang Jihong #include <subcmd/pager.h> 200f70d8e9SYang Jihong #include <subcmd/parse-options.h> 210f70d8e9SYang Jihong 220f70d8e9SYang Jihong #include <errno.h> 230f70d8e9SYang Jihong #include <inttypes.h> 240f70d8e9SYang Jihong #include <linux/err.h> 250f70d8e9SYang Jihong #include <linux/time64.h> 260f70d8e9SYang Jihong #include <linux/zalloc.h> 270f70d8e9SYang Jihong 28f98919ecSYang Jihong /* 29f98919ecSYang Jihong * report header elements width 30f98919ecSYang Jihong */ 31f98919ecSYang Jihong #define PRINT_CPU_WIDTH 4 32f98919ecSYang Jihong #define PRINT_COUNT_WIDTH 9 33f98919ecSYang Jihong #define PRINT_RUNTIME_WIDTH 10 34ad3d9f7aSYang Jihong #define PRINT_LATENCY_WIDTH 10 35f98919ecSYang Jihong #define PRINT_TIMESTAMP_WIDTH 17 36f98919ecSYang Jihong #define PRINT_KWORK_NAME_WIDTH 30 37f98919ecSYang Jihong #define RPINT_DECIMAL_WIDTH 3 38bcc8b3e8SYang Jihong #define PRINT_BRACKETPAIR_WIDTH 2 39f98919ecSYang Jihong #define PRINT_TIME_UNIT_SEC_WIDTH 2 40f98919ecSYang Jihong #define PRINT_TIME_UNIT_MESC_WIDTH 3 41f98919ecSYang Jihong #define PRINT_RUNTIME_HEADER_WIDTH (PRINT_RUNTIME_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH) 42ad3d9f7aSYang Jihong #define PRINT_LATENCY_HEADER_WIDTH (PRINT_LATENCY_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH) 43bcc8b3e8SYang Jihong #define PRINT_TIMEHIST_CPU_WIDTH (PRINT_CPU_WIDTH + PRINT_BRACKETPAIR_WIDTH) 44f98919ecSYang Jihong #define PRINT_TIMESTAMP_HEADER_WIDTH (PRINT_TIMESTAMP_WIDTH + PRINT_TIME_UNIT_SEC_WIDTH) 45f98919ecSYang Jihong 46f98919ecSYang Jihong struct sort_dimension { 47f98919ecSYang Jihong const char *name; 48f98919ecSYang Jihong int (*cmp)(struct kwork_work *l, struct kwork_work *r); 49f98919ecSYang Jihong struct list_head list; 50f98919ecSYang Jihong }; 51f98919ecSYang Jihong 52f98919ecSYang Jihong static int id_cmp(struct kwork_work *l, struct kwork_work *r) 53f98919ecSYang Jihong { 54f98919ecSYang Jihong if (l->cpu > r->cpu) 55f98919ecSYang Jihong return 1; 56f98919ecSYang Jihong if (l->cpu < r->cpu) 57f98919ecSYang Jihong return -1; 58f98919ecSYang Jihong 59f98919ecSYang Jihong if (l->id > r->id) 60f98919ecSYang Jihong return 1; 61f98919ecSYang Jihong if (l->id < r->id) 62f98919ecSYang Jihong return -1; 63f98919ecSYang Jihong 64f98919ecSYang Jihong return 0; 65f98919ecSYang Jihong } 66f98919ecSYang Jihong 67f98919ecSYang Jihong static int count_cmp(struct kwork_work *l, struct kwork_work *r) 68f98919ecSYang Jihong { 69f98919ecSYang Jihong if (l->nr_atoms > r->nr_atoms) 70f98919ecSYang Jihong return 1; 71f98919ecSYang Jihong if (l->nr_atoms < r->nr_atoms) 72f98919ecSYang Jihong return -1; 73f98919ecSYang Jihong 74f98919ecSYang Jihong return 0; 75f98919ecSYang Jihong } 76f98919ecSYang Jihong 77f98919ecSYang Jihong static int runtime_cmp(struct kwork_work *l, struct kwork_work *r) 78f98919ecSYang Jihong { 79f98919ecSYang Jihong if (l->total_runtime > r->total_runtime) 80f98919ecSYang Jihong return 1; 81f98919ecSYang Jihong if (l->total_runtime < r->total_runtime) 82f98919ecSYang Jihong return -1; 83f98919ecSYang Jihong 84f98919ecSYang Jihong return 0; 85f98919ecSYang Jihong } 86f98919ecSYang Jihong 87f98919ecSYang Jihong static int max_runtime_cmp(struct kwork_work *l, struct kwork_work *r) 88f98919ecSYang Jihong { 89f98919ecSYang Jihong if (l->max_runtime > r->max_runtime) 90f98919ecSYang Jihong return 1; 91f98919ecSYang Jihong if (l->max_runtime < r->max_runtime) 92f98919ecSYang Jihong return -1; 93f98919ecSYang Jihong 94f98919ecSYang Jihong return 0; 95f98919ecSYang Jihong } 96f98919ecSYang Jihong 97ad3d9f7aSYang Jihong static int avg_latency_cmp(struct kwork_work *l, struct kwork_work *r) 98ad3d9f7aSYang Jihong { 99ad3d9f7aSYang Jihong u64 avgl, avgr; 100ad3d9f7aSYang Jihong 101ad3d9f7aSYang Jihong if (!r->nr_atoms) 102ad3d9f7aSYang Jihong return 1; 103ad3d9f7aSYang Jihong if (!l->nr_atoms) 104ad3d9f7aSYang Jihong return -1; 105ad3d9f7aSYang Jihong 106ad3d9f7aSYang Jihong avgl = l->total_latency / l->nr_atoms; 107ad3d9f7aSYang Jihong avgr = r->total_latency / r->nr_atoms; 108ad3d9f7aSYang Jihong 109ad3d9f7aSYang Jihong if (avgl > avgr) 110ad3d9f7aSYang Jihong return 1; 111ad3d9f7aSYang Jihong if (avgl < avgr) 112ad3d9f7aSYang Jihong return -1; 113ad3d9f7aSYang Jihong 114ad3d9f7aSYang Jihong return 0; 115ad3d9f7aSYang Jihong } 116ad3d9f7aSYang Jihong 117ad3d9f7aSYang Jihong static int max_latency_cmp(struct kwork_work *l, struct kwork_work *r) 118ad3d9f7aSYang Jihong { 119ad3d9f7aSYang Jihong if (l->max_latency > r->max_latency) 120ad3d9f7aSYang Jihong return 1; 121ad3d9f7aSYang Jihong if (l->max_latency < r->max_latency) 122ad3d9f7aSYang Jihong return -1; 123ad3d9f7aSYang Jihong 124ad3d9f7aSYang Jihong return 0; 125ad3d9f7aSYang Jihong } 126ad3d9f7aSYang Jihong 127f98919ecSYang Jihong static int sort_dimension__add(struct perf_kwork *kwork __maybe_unused, 128f98919ecSYang Jihong const char *tok, struct list_head *list) 129f98919ecSYang Jihong { 130f98919ecSYang Jihong size_t i; 131f98919ecSYang Jihong static struct sort_dimension max_sort_dimension = { 132f98919ecSYang Jihong .name = "max", 133f98919ecSYang Jihong .cmp = max_runtime_cmp, 134f98919ecSYang Jihong }; 135f98919ecSYang Jihong static struct sort_dimension id_sort_dimension = { 136f98919ecSYang Jihong .name = "id", 137f98919ecSYang Jihong .cmp = id_cmp, 138f98919ecSYang Jihong }; 139f98919ecSYang Jihong static struct sort_dimension runtime_sort_dimension = { 140f98919ecSYang Jihong .name = "runtime", 141f98919ecSYang Jihong .cmp = runtime_cmp, 142f98919ecSYang Jihong }; 143f98919ecSYang Jihong static struct sort_dimension count_sort_dimension = { 144f98919ecSYang Jihong .name = "count", 145f98919ecSYang Jihong .cmp = count_cmp, 146f98919ecSYang Jihong }; 147ad3d9f7aSYang Jihong static struct sort_dimension avg_sort_dimension = { 148ad3d9f7aSYang Jihong .name = "avg", 149ad3d9f7aSYang Jihong .cmp = avg_latency_cmp, 150ad3d9f7aSYang Jihong }; 151f98919ecSYang Jihong struct sort_dimension *available_sorts[] = { 152f98919ecSYang Jihong &id_sort_dimension, 153f98919ecSYang Jihong &max_sort_dimension, 154f98919ecSYang Jihong &count_sort_dimension, 155f98919ecSYang Jihong &runtime_sort_dimension, 156ad3d9f7aSYang Jihong &avg_sort_dimension, 157f98919ecSYang Jihong }; 158f98919ecSYang Jihong 159ad3d9f7aSYang Jihong if (kwork->report == KWORK_REPORT_LATENCY) 160ad3d9f7aSYang Jihong max_sort_dimension.cmp = max_latency_cmp; 161ad3d9f7aSYang Jihong 162f98919ecSYang Jihong for (i = 0; i < ARRAY_SIZE(available_sorts); i++) { 163f98919ecSYang Jihong if (!strcmp(available_sorts[i]->name, tok)) { 164f98919ecSYang Jihong list_add_tail(&available_sorts[i]->list, list); 165f98919ecSYang Jihong return 0; 166f98919ecSYang Jihong } 167f98919ecSYang Jihong } 168f98919ecSYang Jihong 169f98919ecSYang Jihong return -1; 170f98919ecSYang Jihong } 171f98919ecSYang Jihong 172f98919ecSYang Jihong static void setup_sorting(struct perf_kwork *kwork, 173f98919ecSYang Jihong const struct option *options, 174f98919ecSYang Jihong const char * const usage_msg[]) 175f98919ecSYang Jihong { 176f98919ecSYang Jihong char *tmp, *tok, *str = strdup(kwork->sort_order); 177f98919ecSYang Jihong 178f98919ecSYang Jihong for (tok = strtok_r(str, ", ", &tmp); 179f98919ecSYang Jihong tok; tok = strtok_r(NULL, ", ", &tmp)) { 180f98919ecSYang Jihong if (sort_dimension__add(kwork, tok, &kwork->sort_list) < 0) 181f98919ecSYang Jihong usage_with_options_msg(usage_msg, options, 182f98919ecSYang Jihong "Unknown --sort key: `%s'", tok); 183f98919ecSYang Jihong } 184f98919ecSYang Jihong 185f98919ecSYang Jihong pr_debug("Sort order: %s\n", kwork->sort_order); 186f98919ecSYang Jihong free(str); 187f98919ecSYang Jihong } 188f98919ecSYang Jihong 189f98919ecSYang Jihong static struct kwork_atom *atom_new(struct perf_kwork *kwork, 190f98919ecSYang Jihong struct perf_sample *sample) 191f98919ecSYang Jihong { 192f98919ecSYang Jihong unsigned long i; 193f98919ecSYang Jihong struct kwork_atom_page *page; 194f98919ecSYang Jihong struct kwork_atom *atom = NULL; 195f98919ecSYang Jihong 196f98919ecSYang Jihong list_for_each_entry(page, &kwork->atom_page_list, list) { 197f98919ecSYang Jihong if (!bitmap_full(page->bitmap, NR_ATOM_PER_PAGE)) { 198f98919ecSYang Jihong i = find_first_zero_bit(page->bitmap, NR_ATOM_PER_PAGE); 199f98919ecSYang Jihong BUG_ON(i >= NR_ATOM_PER_PAGE); 200f98919ecSYang Jihong atom = &page->atoms[i]; 201f98919ecSYang Jihong goto found_atom; 202f98919ecSYang Jihong } 203f98919ecSYang Jihong } 204f98919ecSYang Jihong 205f98919ecSYang Jihong /* 206f98919ecSYang Jihong * new page 207f98919ecSYang Jihong */ 208f98919ecSYang Jihong page = zalloc(sizeof(*page)); 209f98919ecSYang Jihong if (page == NULL) { 210f98919ecSYang Jihong pr_err("Failed to zalloc kwork atom page\n"); 211f98919ecSYang Jihong return NULL; 212f98919ecSYang Jihong } 213f98919ecSYang Jihong 214f98919ecSYang Jihong i = 0; 215f98919ecSYang Jihong atom = &page->atoms[0]; 216f98919ecSYang Jihong list_add_tail(&page->list, &kwork->atom_page_list); 217f98919ecSYang Jihong 218f98919ecSYang Jihong found_atom: 219f98919ecSYang Jihong set_bit(i, page->bitmap); 220f98919ecSYang Jihong atom->time = sample->time; 221f98919ecSYang Jihong atom->prev = NULL; 222f98919ecSYang Jihong atom->page_addr = page; 223f98919ecSYang Jihong atom->bit_inpage = i; 224f98919ecSYang Jihong return atom; 225f98919ecSYang Jihong } 226f98919ecSYang Jihong 227f98919ecSYang Jihong static void atom_free(struct kwork_atom *atom) 228f98919ecSYang Jihong { 229f98919ecSYang Jihong if (atom->prev != NULL) 230f98919ecSYang Jihong atom_free(atom->prev); 231f98919ecSYang Jihong 232f98919ecSYang Jihong clear_bit(atom->bit_inpage, 233f98919ecSYang Jihong ((struct kwork_atom_page *)atom->page_addr)->bitmap); 234f98919ecSYang Jihong } 235f98919ecSYang Jihong 236f98919ecSYang Jihong static void atom_del(struct kwork_atom *atom) 237f98919ecSYang Jihong { 238f98919ecSYang Jihong list_del(&atom->list); 239f98919ecSYang Jihong atom_free(atom); 240f98919ecSYang Jihong } 241f98919ecSYang Jihong 242f98919ecSYang Jihong static int work_cmp(struct list_head *list, 243f98919ecSYang Jihong struct kwork_work *l, struct kwork_work *r) 244f98919ecSYang Jihong { 245f98919ecSYang Jihong int ret = 0; 246f98919ecSYang Jihong struct sort_dimension *sort; 247f98919ecSYang Jihong 248f98919ecSYang Jihong BUG_ON(list_empty(list)); 249f98919ecSYang Jihong 250f98919ecSYang Jihong list_for_each_entry(sort, list, list) { 251f98919ecSYang Jihong ret = sort->cmp(l, r); 252f98919ecSYang Jihong if (ret) 253f98919ecSYang Jihong return ret; 254f98919ecSYang Jihong } 255f98919ecSYang Jihong 256f98919ecSYang Jihong return ret; 257f98919ecSYang Jihong } 258f98919ecSYang Jihong 259f98919ecSYang Jihong static struct kwork_work *work_search(struct rb_root_cached *root, 260f98919ecSYang Jihong struct kwork_work *key, 261f98919ecSYang Jihong struct list_head *sort_list) 262f98919ecSYang Jihong { 263f98919ecSYang Jihong int cmp; 264f98919ecSYang Jihong struct kwork_work *work; 265f98919ecSYang Jihong struct rb_node *node = root->rb_root.rb_node; 266f98919ecSYang Jihong 267f98919ecSYang Jihong while (node) { 268f98919ecSYang Jihong work = container_of(node, struct kwork_work, node); 269f98919ecSYang Jihong cmp = work_cmp(sort_list, key, work); 270f98919ecSYang Jihong if (cmp > 0) 271f98919ecSYang Jihong node = node->rb_left; 272f98919ecSYang Jihong else if (cmp < 0) 273f98919ecSYang Jihong node = node->rb_right; 274f98919ecSYang Jihong else { 275f98919ecSYang Jihong if (work->name == NULL) 276f98919ecSYang Jihong work->name = key->name; 277f98919ecSYang Jihong return work; 278f98919ecSYang Jihong } 279f98919ecSYang Jihong } 280f98919ecSYang Jihong return NULL; 281f98919ecSYang Jihong } 282f98919ecSYang Jihong 283f98919ecSYang Jihong static void work_insert(struct rb_root_cached *root, 284f98919ecSYang Jihong struct kwork_work *key, struct list_head *sort_list) 285f98919ecSYang Jihong { 286f98919ecSYang Jihong int cmp; 287f98919ecSYang Jihong bool leftmost = true; 288f98919ecSYang Jihong struct kwork_work *cur; 289f98919ecSYang Jihong struct rb_node **new = &(root->rb_root.rb_node), *parent = NULL; 290f98919ecSYang Jihong 291f98919ecSYang Jihong while (*new) { 292f98919ecSYang Jihong cur = container_of(*new, struct kwork_work, node); 293f98919ecSYang Jihong parent = *new; 294f98919ecSYang Jihong cmp = work_cmp(sort_list, key, cur); 295f98919ecSYang Jihong 296f98919ecSYang Jihong if (cmp > 0) 297f98919ecSYang Jihong new = &((*new)->rb_left); 298f98919ecSYang Jihong else { 299f98919ecSYang Jihong new = &((*new)->rb_right); 300f98919ecSYang Jihong leftmost = false; 301f98919ecSYang Jihong } 302f98919ecSYang Jihong } 303f98919ecSYang Jihong 304f98919ecSYang Jihong rb_link_node(&key->node, parent, new); 305f98919ecSYang Jihong rb_insert_color_cached(&key->node, root, leftmost); 306f98919ecSYang Jihong } 307f98919ecSYang Jihong 308f98919ecSYang Jihong static struct kwork_work *work_new(struct kwork_work *key) 309f98919ecSYang Jihong { 310f98919ecSYang Jihong int i; 311f98919ecSYang Jihong struct kwork_work *work = zalloc(sizeof(*work)); 312f98919ecSYang Jihong 313f98919ecSYang Jihong if (work == NULL) { 314f98919ecSYang Jihong pr_err("Failed to zalloc kwork work\n"); 315f98919ecSYang Jihong return NULL; 316f98919ecSYang Jihong } 317f98919ecSYang Jihong 318f98919ecSYang Jihong for (i = 0; i < KWORK_TRACE_MAX; i++) 319f98919ecSYang Jihong INIT_LIST_HEAD(&work->atom_list[i]); 320f98919ecSYang Jihong 321f98919ecSYang Jihong work->id = key->id; 322f98919ecSYang Jihong work->cpu = key->cpu; 323f98919ecSYang Jihong work->name = key->name; 324f98919ecSYang Jihong work->class = key->class; 325f98919ecSYang Jihong return work; 326f98919ecSYang Jihong } 327f98919ecSYang Jihong 328f98919ecSYang Jihong static struct kwork_work *work_findnew(struct rb_root_cached *root, 329f98919ecSYang Jihong struct kwork_work *key, 330f98919ecSYang Jihong struct list_head *sort_list) 331f98919ecSYang Jihong { 332*daf07d22SYang Jihong struct kwork_work *work = work_search(root, key, sort_list); 333f98919ecSYang Jihong 334f98919ecSYang Jihong if (work != NULL) 335f98919ecSYang Jihong return work; 336f98919ecSYang Jihong 337f98919ecSYang Jihong work = work_new(key); 338*daf07d22SYang Jihong if (work) 339f98919ecSYang Jihong work_insert(root, work, sort_list); 340*daf07d22SYang Jihong 341f98919ecSYang Jihong return work; 342f98919ecSYang Jihong } 343f98919ecSYang Jihong 344f98919ecSYang Jihong static void profile_update_timespan(struct perf_kwork *kwork, 345f98919ecSYang Jihong struct perf_sample *sample) 346f98919ecSYang Jihong { 347f98919ecSYang Jihong if (!kwork->summary) 348f98919ecSYang Jihong return; 349f98919ecSYang Jihong 350f98919ecSYang Jihong if ((kwork->timestart == 0) || (kwork->timestart > sample->time)) 351f98919ecSYang Jihong kwork->timestart = sample->time; 352f98919ecSYang Jihong 353f98919ecSYang Jihong if (kwork->timeend < sample->time) 354f98919ecSYang Jihong kwork->timeend = sample->time; 355f98919ecSYang Jihong } 356f98919ecSYang Jihong 357f98919ecSYang Jihong static bool profile_event_match(struct perf_kwork *kwork, 358f98919ecSYang Jihong struct kwork_work *work, 359f98919ecSYang Jihong struct perf_sample *sample) 360f98919ecSYang Jihong { 361f98919ecSYang Jihong int cpu = work->cpu; 362f98919ecSYang Jihong u64 time = sample->time; 363f98919ecSYang Jihong struct perf_time_interval *ptime = &kwork->ptime; 364f98919ecSYang Jihong 365f98919ecSYang Jihong if ((kwork->cpu_list != NULL) && !test_bit(cpu, kwork->cpu_bitmap)) 366f98919ecSYang Jihong return false; 367f98919ecSYang Jihong 368f98919ecSYang Jihong if (((ptime->start != 0) && (ptime->start > time)) || 369f98919ecSYang Jihong ((ptime->end != 0) && (ptime->end < time))) 370f98919ecSYang Jihong return false; 371f98919ecSYang Jihong 372f98919ecSYang Jihong if ((kwork->profile_name != NULL) && 373f98919ecSYang Jihong (work->name != NULL) && 374f98919ecSYang Jihong (strcmp(work->name, kwork->profile_name) != 0)) 375f98919ecSYang Jihong return false; 376f98919ecSYang Jihong 377f98919ecSYang Jihong profile_update_timespan(kwork, sample); 378f98919ecSYang Jihong return true; 379f98919ecSYang Jihong } 380f98919ecSYang Jihong 381f98919ecSYang Jihong static int work_push_atom(struct perf_kwork *kwork, 382f98919ecSYang Jihong struct kwork_class *class, 383f98919ecSYang Jihong enum kwork_trace_type src_type, 384f98919ecSYang Jihong enum kwork_trace_type dst_type, 385f98919ecSYang Jihong struct evsel *evsel, 386f98919ecSYang Jihong struct perf_sample *sample, 387f98919ecSYang Jihong struct machine *machine, 388f98919ecSYang Jihong struct kwork_work **ret_work) 389f98919ecSYang Jihong { 390f98919ecSYang Jihong struct kwork_atom *atom, *dst_atom; 391f98919ecSYang Jihong struct kwork_work *work, key; 392f98919ecSYang Jihong 393f98919ecSYang Jihong BUG_ON(class->work_init == NULL); 394f98919ecSYang Jihong class->work_init(class, &key, evsel, sample, machine); 395f98919ecSYang Jihong 396f98919ecSYang Jihong atom = atom_new(kwork, sample); 397f98919ecSYang Jihong if (atom == NULL) 398f98919ecSYang Jihong return -1; 399f98919ecSYang Jihong 400f98919ecSYang Jihong work = work_findnew(&class->work_root, &key, &kwork->cmp_id); 401f98919ecSYang Jihong if (work == NULL) { 402f98919ecSYang Jihong free(atom); 403f98919ecSYang Jihong return -1; 404f98919ecSYang Jihong } 405f98919ecSYang Jihong 406f98919ecSYang Jihong if (!profile_event_match(kwork, work, sample)) 407f98919ecSYang Jihong return 0; 408f98919ecSYang Jihong 409f98919ecSYang Jihong if (dst_type < KWORK_TRACE_MAX) { 410f98919ecSYang Jihong dst_atom = list_last_entry_or_null(&work->atom_list[dst_type], 411f98919ecSYang Jihong struct kwork_atom, list); 412f98919ecSYang Jihong if (dst_atom != NULL) { 413f98919ecSYang Jihong atom->prev = dst_atom; 414f98919ecSYang Jihong list_del(&dst_atom->list); 415f98919ecSYang Jihong } 416f98919ecSYang Jihong } 417f98919ecSYang Jihong 418f98919ecSYang Jihong if (ret_work != NULL) 419f98919ecSYang Jihong *ret_work = work; 420f98919ecSYang Jihong 421f98919ecSYang Jihong list_add_tail(&atom->list, &work->atom_list[src_type]); 422f98919ecSYang Jihong 423f98919ecSYang Jihong return 0; 424f98919ecSYang Jihong } 425f98919ecSYang Jihong 426f98919ecSYang Jihong static struct kwork_atom *work_pop_atom(struct perf_kwork *kwork, 427f98919ecSYang Jihong struct kwork_class *class, 428f98919ecSYang Jihong enum kwork_trace_type src_type, 429f98919ecSYang Jihong enum kwork_trace_type dst_type, 430f98919ecSYang Jihong struct evsel *evsel, 431f98919ecSYang Jihong struct perf_sample *sample, 432f98919ecSYang Jihong struct machine *machine, 433f98919ecSYang Jihong struct kwork_work **ret_work) 434f98919ecSYang Jihong { 435f98919ecSYang Jihong struct kwork_atom *atom, *src_atom; 436f98919ecSYang Jihong struct kwork_work *work, key; 437f98919ecSYang Jihong 438f98919ecSYang Jihong BUG_ON(class->work_init == NULL); 439f98919ecSYang Jihong class->work_init(class, &key, evsel, sample, machine); 440f98919ecSYang Jihong 441f98919ecSYang Jihong work = work_findnew(&class->work_root, &key, &kwork->cmp_id); 442f98919ecSYang Jihong if (ret_work != NULL) 443f98919ecSYang Jihong *ret_work = work; 444f98919ecSYang Jihong 445f98919ecSYang Jihong if (work == NULL) 446f98919ecSYang Jihong return NULL; 447f98919ecSYang Jihong 448f98919ecSYang Jihong if (!profile_event_match(kwork, work, sample)) 449f98919ecSYang Jihong return NULL; 450f98919ecSYang Jihong 451f98919ecSYang Jihong atom = list_last_entry_or_null(&work->atom_list[dst_type], 452f98919ecSYang Jihong struct kwork_atom, list); 453f98919ecSYang Jihong if (atom != NULL) 454f98919ecSYang Jihong return atom; 455f98919ecSYang Jihong 456f98919ecSYang Jihong src_atom = atom_new(kwork, sample); 457f98919ecSYang Jihong if (src_atom != NULL) 458f98919ecSYang Jihong list_add_tail(&src_atom->list, &work->atom_list[src_type]); 459f98919ecSYang Jihong else { 460f98919ecSYang Jihong if (ret_work != NULL) 461f98919ecSYang Jihong *ret_work = NULL; 462f98919ecSYang Jihong } 463f98919ecSYang Jihong 464f98919ecSYang Jihong return NULL; 465f98919ecSYang Jihong } 466f98919ecSYang Jihong 467f98919ecSYang Jihong static void report_update_exit_event(struct kwork_work *work, 468f98919ecSYang Jihong struct kwork_atom *atom, 469f98919ecSYang Jihong struct perf_sample *sample) 470f98919ecSYang Jihong { 471f98919ecSYang Jihong u64 delta; 472f98919ecSYang Jihong u64 exit_time = sample->time; 473f98919ecSYang Jihong u64 entry_time = atom->time; 474f98919ecSYang Jihong 475f98919ecSYang Jihong if ((entry_time != 0) && (exit_time >= entry_time)) { 476f98919ecSYang Jihong delta = exit_time - entry_time; 477f98919ecSYang Jihong if ((delta > work->max_runtime) || 478f98919ecSYang Jihong (work->max_runtime == 0)) { 479f98919ecSYang Jihong work->max_runtime = delta; 480f98919ecSYang Jihong work->max_runtime_start = entry_time; 481f98919ecSYang Jihong work->max_runtime_end = exit_time; 482f98919ecSYang Jihong } 483f98919ecSYang Jihong work->total_runtime += delta; 484f98919ecSYang Jihong work->nr_atoms++; 485f98919ecSYang Jihong } 486f98919ecSYang Jihong } 487f98919ecSYang Jihong 488f98919ecSYang Jihong static int report_entry_event(struct perf_kwork *kwork, 489f98919ecSYang Jihong struct kwork_class *class, 490f98919ecSYang Jihong struct evsel *evsel, 491f98919ecSYang Jihong struct perf_sample *sample, 492f98919ecSYang Jihong struct machine *machine) 493f98919ecSYang Jihong { 494f98919ecSYang Jihong return work_push_atom(kwork, class, KWORK_TRACE_ENTRY, 495f98919ecSYang Jihong KWORK_TRACE_MAX, evsel, sample, 496f98919ecSYang Jihong machine, NULL); 497f98919ecSYang Jihong } 498f98919ecSYang Jihong 499f98919ecSYang Jihong static int report_exit_event(struct perf_kwork *kwork, 500f98919ecSYang Jihong struct kwork_class *class, 501f98919ecSYang Jihong struct evsel *evsel, 502f98919ecSYang Jihong struct perf_sample *sample, 503f98919ecSYang Jihong struct machine *machine) 504f98919ecSYang Jihong { 505f98919ecSYang Jihong struct kwork_atom *atom = NULL; 506f98919ecSYang Jihong struct kwork_work *work = NULL; 507f98919ecSYang Jihong 508f98919ecSYang Jihong atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, 509f98919ecSYang Jihong KWORK_TRACE_ENTRY, evsel, sample, 510f98919ecSYang Jihong machine, &work); 511f98919ecSYang Jihong if (work == NULL) 512f98919ecSYang Jihong return -1; 513f98919ecSYang Jihong 514f98919ecSYang Jihong if (atom != NULL) { 515f98919ecSYang Jihong report_update_exit_event(work, atom, sample); 516f98919ecSYang Jihong atom_del(atom); 517f98919ecSYang Jihong } 518f98919ecSYang Jihong 519f98919ecSYang Jihong return 0; 520f98919ecSYang Jihong } 521f98919ecSYang Jihong 522ad3d9f7aSYang Jihong static void latency_update_entry_event(struct kwork_work *work, 523ad3d9f7aSYang Jihong struct kwork_atom *atom, 524ad3d9f7aSYang Jihong struct perf_sample *sample) 525ad3d9f7aSYang Jihong { 526ad3d9f7aSYang Jihong u64 delta; 527ad3d9f7aSYang Jihong u64 entry_time = sample->time; 528ad3d9f7aSYang Jihong u64 raise_time = atom->time; 529ad3d9f7aSYang Jihong 530ad3d9f7aSYang Jihong if ((raise_time != 0) && (entry_time >= raise_time)) { 531ad3d9f7aSYang Jihong delta = entry_time - raise_time; 532ad3d9f7aSYang Jihong if ((delta > work->max_latency) || 533ad3d9f7aSYang Jihong (work->max_latency == 0)) { 534ad3d9f7aSYang Jihong work->max_latency = delta; 535ad3d9f7aSYang Jihong work->max_latency_start = raise_time; 536ad3d9f7aSYang Jihong work->max_latency_end = entry_time; 537ad3d9f7aSYang Jihong } 538ad3d9f7aSYang Jihong work->total_latency += delta; 539ad3d9f7aSYang Jihong work->nr_atoms++; 540ad3d9f7aSYang Jihong } 541ad3d9f7aSYang Jihong } 542ad3d9f7aSYang Jihong 543ad3d9f7aSYang Jihong static int latency_raise_event(struct perf_kwork *kwork, 544ad3d9f7aSYang Jihong struct kwork_class *class, 545ad3d9f7aSYang Jihong struct evsel *evsel, 546ad3d9f7aSYang Jihong struct perf_sample *sample, 547ad3d9f7aSYang Jihong struct machine *machine) 548ad3d9f7aSYang Jihong { 549ad3d9f7aSYang Jihong return work_push_atom(kwork, class, KWORK_TRACE_RAISE, 550ad3d9f7aSYang Jihong KWORK_TRACE_MAX, evsel, sample, 551ad3d9f7aSYang Jihong machine, NULL); 552ad3d9f7aSYang Jihong } 553ad3d9f7aSYang Jihong 554ad3d9f7aSYang Jihong static int latency_entry_event(struct perf_kwork *kwork, 555ad3d9f7aSYang Jihong struct kwork_class *class, 556ad3d9f7aSYang Jihong struct evsel *evsel, 557ad3d9f7aSYang Jihong struct perf_sample *sample, 558ad3d9f7aSYang Jihong struct machine *machine) 559ad3d9f7aSYang Jihong { 560ad3d9f7aSYang Jihong struct kwork_atom *atom = NULL; 561ad3d9f7aSYang Jihong struct kwork_work *work = NULL; 562ad3d9f7aSYang Jihong 563ad3d9f7aSYang Jihong atom = work_pop_atom(kwork, class, KWORK_TRACE_ENTRY, 564ad3d9f7aSYang Jihong KWORK_TRACE_RAISE, evsel, sample, 565ad3d9f7aSYang Jihong machine, &work); 566ad3d9f7aSYang Jihong if (work == NULL) 567ad3d9f7aSYang Jihong return -1; 568ad3d9f7aSYang Jihong 569ad3d9f7aSYang Jihong if (atom != NULL) { 570ad3d9f7aSYang Jihong latency_update_entry_event(work, atom, sample); 571ad3d9f7aSYang Jihong atom_del(atom); 572ad3d9f7aSYang Jihong } 573ad3d9f7aSYang Jihong 574ad3d9f7aSYang Jihong return 0; 575ad3d9f7aSYang Jihong } 576ad3d9f7aSYang Jihong 577bcc8b3e8SYang Jihong static void timehist_save_callchain(struct perf_kwork *kwork, 578bcc8b3e8SYang Jihong struct perf_sample *sample, 579bcc8b3e8SYang Jihong struct evsel *evsel, 580bcc8b3e8SYang Jihong struct machine *machine) 581bcc8b3e8SYang Jihong { 582bcc8b3e8SYang Jihong struct symbol *sym; 583bcc8b3e8SYang Jihong struct thread *thread; 584bcc8b3e8SYang Jihong struct callchain_cursor_node *node; 585bcc8b3e8SYang Jihong struct callchain_cursor *cursor = &callchain_cursor; 586bcc8b3e8SYang Jihong 587bcc8b3e8SYang Jihong if (!kwork->show_callchain || sample->callchain == NULL) 588bcc8b3e8SYang Jihong return; 589bcc8b3e8SYang Jihong 590bcc8b3e8SYang Jihong /* want main thread for process - has maps */ 591bcc8b3e8SYang Jihong thread = machine__findnew_thread(machine, sample->pid, sample->pid); 592bcc8b3e8SYang Jihong if (thread == NULL) { 593bcc8b3e8SYang Jihong pr_debug("Failed to get thread for pid %d\n", sample->pid); 594bcc8b3e8SYang Jihong return; 595bcc8b3e8SYang Jihong } 596bcc8b3e8SYang Jihong 597bcc8b3e8SYang Jihong if (thread__resolve_callchain(thread, cursor, evsel, sample, 598bcc8b3e8SYang Jihong NULL, NULL, kwork->max_stack + 2) != 0) { 599bcc8b3e8SYang Jihong pr_debug("Failed to resolve callchain, skipping\n"); 600bcc8b3e8SYang Jihong goto out_put; 601bcc8b3e8SYang Jihong } 602bcc8b3e8SYang Jihong 603bcc8b3e8SYang Jihong callchain_cursor_commit(cursor); 604bcc8b3e8SYang Jihong 605bcc8b3e8SYang Jihong while (true) { 606bcc8b3e8SYang Jihong node = callchain_cursor_current(cursor); 607bcc8b3e8SYang Jihong if (node == NULL) 608bcc8b3e8SYang Jihong break; 609bcc8b3e8SYang Jihong 610bcc8b3e8SYang Jihong sym = node->ms.sym; 611bcc8b3e8SYang Jihong if (sym) { 612bcc8b3e8SYang Jihong if (!strcmp(sym->name, "__softirqentry_text_start") || 613bcc8b3e8SYang Jihong !strcmp(sym->name, "__do_softirq")) 614bcc8b3e8SYang Jihong sym->ignore = 1; 615bcc8b3e8SYang Jihong } 616bcc8b3e8SYang Jihong 617bcc8b3e8SYang Jihong callchain_cursor_advance(cursor); 618bcc8b3e8SYang Jihong } 619bcc8b3e8SYang Jihong 620bcc8b3e8SYang Jihong out_put: 621bcc8b3e8SYang Jihong thread__put(thread); 622bcc8b3e8SYang Jihong } 623bcc8b3e8SYang Jihong 624bcc8b3e8SYang Jihong static void timehist_print_event(struct perf_kwork *kwork, 625bcc8b3e8SYang Jihong struct kwork_work *work, 626bcc8b3e8SYang Jihong struct kwork_atom *atom, 627bcc8b3e8SYang Jihong struct perf_sample *sample, 628bcc8b3e8SYang Jihong struct addr_location *al) 629bcc8b3e8SYang Jihong { 630bcc8b3e8SYang Jihong char entrytime[32], exittime[32]; 631bcc8b3e8SYang Jihong char kwork_name[PRINT_KWORK_NAME_WIDTH]; 632bcc8b3e8SYang Jihong 633bcc8b3e8SYang Jihong /* 634bcc8b3e8SYang Jihong * runtime start 635bcc8b3e8SYang Jihong */ 636bcc8b3e8SYang Jihong timestamp__scnprintf_usec(atom->time, 637bcc8b3e8SYang Jihong entrytime, sizeof(entrytime)); 638bcc8b3e8SYang Jihong printf(" %*s ", PRINT_TIMESTAMP_WIDTH, entrytime); 639bcc8b3e8SYang Jihong 640bcc8b3e8SYang Jihong /* 641bcc8b3e8SYang Jihong * runtime end 642bcc8b3e8SYang Jihong */ 643bcc8b3e8SYang Jihong timestamp__scnprintf_usec(sample->time, 644bcc8b3e8SYang Jihong exittime, sizeof(exittime)); 645bcc8b3e8SYang Jihong printf(" %*s ", PRINT_TIMESTAMP_WIDTH, exittime); 646bcc8b3e8SYang Jihong 647bcc8b3e8SYang Jihong /* 648bcc8b3e8SYang Jihong * cpu 649bcc8b3e8SYang Jihong */ 650bcc8b3e8SYang Jihong printf(" [%0*d] ", PRINT_CPU_WIDTH, work->cpu); 651bcc8b3e8SYang Jihong 652bcc8b3e8SYang Jihong /* 653bcc8b3e8SYang Jihong * kwork name 654bcc8b3e8SYang Jihong */ 655bcc8b3e8SYang Jihong if (work->class && work->class->work_name) { 656bcc8b3e8SYang Jihong work->class->work_name(work, kwork_name, 657bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH); 658bcc8b3e8SYang Jihong printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, kwork_name); 659bcc8b3e8SYang Jihong } else 660bcc8b3e8SYang Jihong printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, ""); 661bcc8b3e8SYang Jihong 662bcc8b3e8SYang Jihong /* 663bcc8b3e8SYang Jihong *runtime 664bcc8b3e8SYang Jihong */ 665bcc8b3e8SYang Jihong printf(" %*.*f ", 666bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 667bcc8b3e8SYang Jihong (double)(sample->time - atom->time) / NSEC_PER_MSEC); 668bcc8b3e8SYang Jihong 669bcc8b3e8SYang Jihong /* 670bcc8b3e8SYang Jihong * delaytime 671bcc8b3e8SYang Jihong */ 672bcc8b3e8SYang Jihong if (atom->prev != NULL) 673bcc8b3e8SYang Jihong printf(" %*.*f ", PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 674bcc8b3e8SYang Jihong (double)(atom->time - atom->prev->time) / NSEC_PER_MSEC); 675bcc8b3e8SYang Jihong else 676bcc8b3e8SYang Jihong printf(" %*s ", PRINT_LATENCY_WIDTH, " "); 677bcc8b3e8SYang Jihong 678bcc8b3e8SYang Jihong /* 679bcc8b3e8SYang Jihong * callchain 680bcc8b3e8SYang Jihong */ 681bcc8b3e8SYang Jihong if (kwork->show_callchain) { 682bcc8b3e8SYang Jihong printf(" "); 683bcc8b3e8SYang Jihong sample__fprintf_sym(sample, al, 0, 684bcc8b3e8SYang Jihong EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE | 685bcc8b3e8SYang Jihong EVSEL__PRINT_CALLCHAIN_ARROW | 686bcc8b3e8SYang Jihong EVSEL__PRINT_SKIP_IGNORED, 687bcc8b3e8SYang Jihong &callchain_cursor, symbol_conf.bt_stop_list, 688bcc8b3e8SYang Jihong stdout); 689bcc8b3e8SYang Jihong } 690bcc8b3e8SYang Jihong 691bcc8b3e8SYang Jihong printf("\n"); 692bcc8b3e8SYang Jihong } 693bcc8b3e8SYang Jihong 694bcc8b3e8SYang Jihong static int timehist_raise_event(struct perf_kwork *kwork, 695bcc8b3e8SYang Jihong struct kwork_class *class, 696bcc8b3e8SYang Jihong struct evsel *evsel, 697bcc8b3e8SYang Jihong struct perf_sample *sample, 698bcc8b3e8SYang Jihong struct machine *machine) 699bcc8b3e8SYang Jihong { 700bcc8b3e8SYang Jihong return work_push_atom(kwork, class, KWORK_TRACE_RAISE, 701bcc8b3e8SYang Jihong KWORK_TRACE_MAX, evsel, sample, 702bcc8b3e8SYang Jihong machine, NULL); 703bcc8b3e8SYang Jihong } 704bcc8b3e8SYang Jihong 705bcc8b3e8SYang Jihong static int timehist_entry_event(struct perf_kwork *kwork, 706bcc8b3e8SYang Jihong struct kwork_class *class, 707bcc8b3e8SYang Jihong struct evsel *evsel, 708bcc8b3e8SYang Jihong struct perf_sample *sample, 709bcc8b3e8SYang Jihong struct machine *machine) 710bcc8b3e8SYang Jihong { 711bcc8b3e8SYang Jihong int ret; 712bcc8b3e8SYang Jihong struct kwork_work *work = NULL; 713bcc8b3e8SYang Jihong 714bcc8b3e8SYang Jihong ret = work_push_atom(kwork, class, KWORK_TRACE_ENTRY, 715bcc8b3e8SYang Jihong KWORK_TRACE_RAISE, evsel, sample, 716bcc8b3e8SYang Jihong machine, &work); 717bcc8b3e8SYang Jihong if (ret) 718bcc8b3e8SYang Jihong return ret; 719bcc8b3e8SYang Jihong 720bcc8b3e8SYang Jihong if (work != NULL) 721bcc8b3e8SYang Jihong timehist_save_callchain(kwork, sample, evsel, machine); 722bcc8b3e8SYang Jihong 723bcc8b3e8SYang Jihong return 0; 724bcc8b3e8SYang Jihong } 725bcc8b3e8SYang Jihong 726bcc8b3e8SYang Jihong static int timehist_exit_event(struct perf_kwork *kwork, 727bcc8b3e8SYang Jihong struct kwork_class *class, 728bcc8b3e8SYang Jihong struct evsel *evsel, 729bcc8b3e8SYang Jihong struct perf_sample *sample, 730bcc8b3e8SYang Jihong struct machine *machine) 731bcc8b3e8SYang Jihong { 732bcc8b3e8SYang Jihong struct kwork_atom *atom = NULL; 733bcc8b3e8SYang Jihong struct kwork_work *work = NULL; 734bcc8b3e8SYang Jihong struct addr_location al; 735bcc8b3e8SYang Jihong 736bcc8b3e8SYang Jihong if (machine__resolve(machine, &al, sample) < 0) { 737bcc8b3e8SYang Jihong pr_debug("Problem processing event, skipping it\n"); 738bcc8b3e8SYang Jihong return -1; 739bcc8b3e8SYang Jihong } 740bcc8b3e8SYang Jihong 741bcc8b3e8SYang Jihong atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, 742bcc8b3e8SYang Jihong KWORK_TRACE_ENTRY, evsel, sample, 743bcc8b3e8SYang Jihong machine, &work); 744bcc8b3e8SYang Jihong if (work == NULL) 745bcc8b3e8SYang Jihong return -1; 746bcc8b3e8SYang Jihong 747bcc8b3e8SYang Jihong if (atom != NULL) { 748bcc8b3e8SYang Jihong work->nr_atoms++; 749bcc8b3e8SYang Jihong timehist_print_event(kwork, work, atom, sample, &al); 750bcc8b3e8SYang Jihong atom_del(atom); 751bcc8b3e8SYang Jihong } 752bcc8b3e8SYang Jihong 753bcc8b3e8SYang Jihong return 0; 754bcc8b3e8SYang Jihong } 755bcc8b3e8SYang Jihong 75694348520SYang Jihong static struct kwork_class kwork_irq; 75794348520SYang Jihong static int process_irq_handler_entry_event(struct perf_tool *tool, 75894348520SYang Jihong struct evsel *evsel, 75994348520SYang Jihong struct perf_sample *sample, 76094348520SYang Jihong struct machine *machine) 76194348520SYang Jihong { 76294348520SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 76394348520SYang Jihong 76494348520SYang Jihong if (kwork->tp_handler->entry_event) 76594348520SYang Jihong return kwork->tp_handler->entry_event(kwork, &kwork_irq, 76694348520SYang Jihong evsel, sample, machine); 76794348520SYang Jihong return 0; 76894348520SYang Jihong } 76994348520SYang Jihong 77094348520SYang Jihong static int process_irq_handler_exit_event(struct perf_tool *tool, 77194348520SYang Jihong struct evsel *evsel, 77294348520SYang Jihong struct perf_sample *sample, 77394348520SYang Jihong struct machine *machine) 77494348520SYang Jihong { 77594348520SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 77694348520SYang Jihong 77794348520SYang Jihong if (kwork->tp_handler->exit_event) 77894348520SYang Jihong return kwork->tp_handler->exit_event(kwork, &kwork_irq, 77994348520SYang Jihong evsel, sample, machine); 78094348520SYang Jihong return 0; 78194348520SYang Jihong } 78294348520SYang Jihong 7834f8ae962SYang Jihong const struct evsel_str_handler irq_tp_handlers[] = { 78494348520SYang Jihong { "irq:irq_handler_entry", process_irq_handler_entry_event, }, 78594348520SYang Jihong { "irq:irq_handler_exit", process_irq_handler_exit_event, }, 7864f8ae962SYang Jihong }; 7874f8ae962SYang Jihong 78894348520SYang Jihong static int irq_class_init(struct kwork_class *class, 78994348520SYang Jihong struct perf_session *session) 79094348520SYang Jihong { 79194348520SYang Jihong if (perf_session__set_tracepoints_handlers(session, irq_tp_handlers)) { 79294348520SYang Jihong pr_err("Failed to set irq tracepoints handlers\n"); 79394348520SYang Jihong return -1; 79494348520SYang Jihong } 79594348520SYang Jihong 79694348520SYang Jihong class->work_root = RB_ROOT_CACHED; 79794348520SYang Jihong return 0; 79894348520SYang Jihong } 79994348520SYang Jihong 80094348520SYang Jihong static void irq_work_init(struct kwork_class *class, 80194348520SYang Jihong struct kwork_work *work, 80294348520SYang Jihong struct evsel *evsel, 80394348520SYang Jihong struct perf_sample *sample, 80494348520SYang Jihong struct machine *machine __maybe_unused) 80594348520SYang Jihong { 80694348520SYang Jihong work->class = class; 80794348520SYang Jihong work->cpu = sample->cpu; 80894348520SYang Jihong work->id = evsel__intval(evsel, sample, "irq"); 80994348520SYang Jihong work->name = evsel__strval(evsel, sample, "name"); 81094348520SYang Jihong } 81194348520SYang Jihong 81294348520SYang Jihong static void irq_work_name(struct kwork_work *work, char *buf, int len) 81394348520SYang Jihong { 81494348520SYang Jihong snprintf(buf, len, "%s:%" PRIu64 "", work->name, work->id); 81594348520SYang Jihong } 81694348520SYang Jihong 8174f8ae962SYang Jihong static struct kwork_class kwork_irq = { 8184f8ae962SYang Jihong .name = "irq", 8194f8ae962SYang Jihong .type = KWORK_CLASS_IRQ, 8204f8ae962SYang Jihong .nr_tracepoints = 2, 8214f8ae962SYang Jihong .tp_handlers = irq_tp_handlers, 82294348520SYang Jihong .class_init = irq_class_init, 82394348520SYang Jihong .work_init = irq_work_init, 82494348520SYang Jihong .work_name = irq_work_name, 8254f8ae962SYang Jihong }; 8264f8ae962SYang Jihong 8274c148191SYang Jihong static struct kwork_class kwork_softirq; 82819807bbaSYang Jihong static int process_softirq_raise_event(struct perf_tool *tool, 82919807bbaSYang Jihong struct evsel *evsel, 83019807bbaSYang Jihong struct perf_sample *sample, 83119807bbaSYang Jihong struct machine *machine) 83219807bbaSYang Jihong { 83319807bbaSYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 83419807bbaSYang Jihong 83519807bbaSYang Jihong if (kwork->tp_handler->raise_event) 83619807bbaSYang Jihong return kwork->tp_handler->raise_event(kwork, &kwork_softirq, 83719807bbaSYang Jihong evsel, sample, machine); 83819807bbaSYang Jihong 83919807bbaSYang Jihong return 0; 84019807bbaSYang Jihong } 84119807bbaSYang Jihong 8424c148191SYang Jihong static int process_softirq_entry_event(struct perf_tool *tool, 8434c148191SYang Jihong struct evsel *evsel, 8444c148191SYang Jihong struct perf_sample *sample, 8454c148191SYang Jihong struct machine *machine) 8464c148191SYang Jihong { 8474c148191SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 8484c148191SYang Jihong 8494c148191SYang Jihong if (kwork->tp_handler->entry_event) 8504c148191SYang Jihong return kwork->tp_handler->entry_event(kwork, &kwork_softirq, 8514c148191SYang Jihong evsel, sample, machine); 8524c148191SYang Jihong 8534c148191SYang Jihong return 0; 8544c148191SYang Jihong } 8554c148191SYang Jihong 8564c148191SYang Jihong static int process_softirq_exit_event(struct perf_tool *tool, 8574c148191SYang Jihong struct evsel *evsel, 8584c148191SYang Jihong struct perf_sample *sample, 8594c148191SYang Jihong struct machine *machine) 8604c148191SYang Jihong { 8614c148191SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 8624c148191SYang Jihong 8634c148191SYang Jihong if (kwork->tp_handler->exit_event) 8644c148191SYang Jihong return kwork->tp_handler->exit_event(kwork, &kwork_softirq, 8654c148191SYang Jihong evsel, sample, machine); 8664c148191SYang Jihong 8674c148191SYang Jihong return 0; 8684c148191SYang Jihong } 8694c148191SYang Jihong 870e6439321SYang Jihong const struct evsel_str_handler softirq_tp_handlers[] = { 87119807bbaSYang Jihong { "irq:softirq_raise", process_softirq_raise_event, }, 8724c148191SYang Jihong { "irq:softirq_entry", process_softirq_entry_event, }, 8734c148191SYang Jihong { "irq:softirq_exit", process_softirq_exit_event, }, 874e6439321SYang Jihong }; 875e6439321SYang Jihong 8764c148191SYang Jihong static int softirq_class_init(struct kwork_class *class, 8774c148191SYang Jihong struct perf_session *session) 8784c148191SYang Jihong { 8794c148191SYang Jihong if (perf_session__set_tracepoints_handlers(session, 8804c148191SYang Jihong softirq_tp_handlers)) { 8814c148191SYang Jihong pr_err("Failed to set softirq tracepoints handlers\n"); 8824c148191SYang Jihong return -1; 8834c148191SYang Jihong } 8844c148191SYang Jihong 8854c148191SYang Jihong class->work_root = RB_ROOT_CACHED; 8864c148191SYang Jihong return 0; 8874c148191SYang Jihong } 8884c148191SYang Jihong 8894c148191SYang Jihong static char *evsel__softirq_name(struct evsel *evsel, u64 num) 8904c148191SYang Jihong { 8914c148191SYang Jihong char *name = NULL; 8924c148191SYang Jihong bool found = false; 8934c148191SYang Jihong struct tep_print_flag_sym *sym = NULL; 8944c148191SYang Jihong struct tep_print_arg *args = evsel->tp_format->print_fmt.args; 8954c148191SYang Jihong 8964c148191SYang Jihong if ((args == NULL) || (args->next == NULL)) 8974c148191SYang Jihong return NULL; 8984c148191SYang Jihong 8994c148191SYang Jihong /* skip softirq field: "REC->vec" */ 9004c148191SYang Jihong for (sym = args->next->symbol.symbols; sym != NULL; sym = sym->next) { 9014c148191SYang Jihong if ((eval_flag(sym->value) == (unsigned long long)num) && 9024c148191SYang Jihong (strlen(sym->str) != 0)) { 9034c148191SYang Jihong found = true; 9044c148191SYang Jihong break; 9054c148191SYang Jihong } 9064c148191SYang Jihong } 9074c148191SYang Jihong 9084c148191SYang Jihong if (!found) 9094c148191SYang Jihong return NULL; 9104c148191SYang Jihong 9114c148191SYang Jihong name = strdup(sym->str); 9124c148191SYang Jihong if (name == NULL) { 9134c148191SYang Jihong pr_err("Failed to copy symbol name\n"); 9144c148191SYang Jihong return NULL; 9154c148191SYang Jihong } 9164c148191SYang Jihong return name; 9174c148191SYang Jihong } 9184c148191SYang Jihong 9194c148191SYang Jihong static void softirq_work_init(struct kwork_class *class, 9204c148191SYang Jihong struct kwork_work *work, 9214c148191SYang Jihong struct evsel *evsel, 9224c148191SYang Jihong struct perf_sample *sample, 9234c148191SYang Jihong struct machine *machine __maybe_unused) 9244c148191SYang Jihong { 9254c148191SYang Jihong u64 num = evsel__intval(evsel, sample, "vec"); 9264c148191SYang Jihong 9274c148191SYang Jihong work->id = num; 9284c148191SYang Jihong work->class = class; 9294c148191SYang Jihong work->cpu = sample->cpu; 9304c148191SYang Jihong work->name = evsel__softirq_name(evsel, num); 9314c148191SYang Jihong } 9324c148191SYang Jihong 9334c148191SYang Jihong static void softirq_work_name(struct kwork_work *work, char *buf, int len) 9344c148191SYang Jihong { 9354c148191SYang Jihong snprintf(buf, len, "(s)%s:%" PRIu64 "", work->name, work->id); 9364c148191SYang Jihong } 9374c148191SYang Jihong 938e6439321SYang Jihong static struct kwork_class kwork_softirq = { 939e6439321SYang Jihong .name = "softirq", 940e6439321SYang Jihong .type = KWORK_CLASS_SOFTIRQ, 941e6439321SYang Jihong .nr_tracepoints = 3, 942e6439321SYang Jihong .tp_handlers = softirq_tp_handlers, 9434c148191SYang Jihong .class_init = softirq_class_init, 9444c148191SYang Jihong .work_init = softirq_work_init, 9454c148191SYang Jihong .work_name = softirq_work_name, 946e6439321SYang Jihong }; 947e6439321SYang Jihong 9488dbc3c86SYang Jihong static struct kwork_class kwork_workqueue; 94953e49e32SYang Jihong static int process_workqueue_activate_work_event(struct perf_tool *tool, 95053e49e32SYang Jihong struct evsel *evsel, 95153e49e32SYang Jihong struct perf_sample *sample, 95253e49e32SYang Jihong struct machine *machine) 95353e49e32SYang Jihong { 95453e49e32SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 95553e49e32SYang Jihong 95653e49e32SYang Jihong if (kwork->tp_handler->raise_event) 95753e49e32SYang Jihong return kwork->tp_handler->raise_event(kwork, &kwork_workqueue, 95853e49e32SYang Jihong evsel, sample, machine); 95953e49e32SYang Jihong 96053e49e32SYang Jihong return 0; 96153e49e32SYang Jihong } 96253e49e32SYang Jihong 9638dbc3c86SYang Jihong static int process_workqueue_execute_start_event(struct perf_tool *tool, 9648dbc3c86SYang Jihong struct evsel *evsel, 9658dbc3c86SYang Jihong struct perf_sample *sample, 9668dbc3c86SYang Jihong struct machine *machine) 9678dbc3c86SYang Jihong { 9688dbc3c86SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 9698dbc3c86SYang Jihong 9708dbc3c86SYang Jihong if (kwork->tp_handler->entry_event) 9718dbc3c86SYang Jihong return kwork->tp_handler->entry_event(kwork, &kwork_workqueue, 9728dbc3c86SYang Jihong evsel, sample, machine); 9738dbc3c86SYang Jihong 9748dbc3c86SYang Jihong return 0; 9758dbc3c86SYang Jihong } 9768dbc3c86SYang Jihong 9778dbc3c86SYang Jihong static int process_workqueue_execute_end_event(struct perf_tool *tool, 9788dbc3c86SYang Jihong struct evsel *evsel, 9798dbc3c86SYang Jihong struct perf_sample *sample, 9808dbc3c86SYang Jihong struct machine *machine) 9818dbc3c86SYang Jihong { 9828dbc3c86SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 9838dbc3c86SYang Jihong 9848dbc3c86SYang Jihong if (kwork->tp_handler->exit_event) 9858dbc3c86SYang Jihong return kwork->tp_handler->exit_event(kwork, &kwork_workqueue, 9868dbc3c86SYang Jihong evsel, sample, machine); 9878dbc3c86SYang Jihong 9888dbc3c86SYang Jihong return 0; 9898dbc3c86SYang Jihong } 9908dbc3c86SYang Jihong 99197179d9dSYang Jihong const struct evsel_str_handler workqueue_tp_handlers[] = { 99253e49e32SYang Jihong { "workqueue:workqueue_activate_work", process_workqueue_activate_work_event, }, 9938dbc3c86SYang Jihong { "workqueue:workqueue_execute_start", process_workqueue_execute_start_event, }, 9948dbc3c86SYang Jihong { "workqueue:workqueue_execute_end", process_workqueue_execute_end_event, }, 99597179d9dSYang Jihong }; 99697179d9dSYang Jihong 9978dbc3c86SYang Jihong static int workqueue_class_init(struct kwork_class *class, 9988dbc3c86SYang Jihong struct perf_session *session) 9998dbc3c86SYang Jihong { 10008dbc3c86SYang Jihong if (perf_session__set_tracepoints_handlers(session, 10018dbc3c86SYang Jihong workqueue_tp_handlers)) { 10028dbc3c86SYang Jihong pr_err("Failed to set workqueue tracepoints handlers\n"); 10038dbc3c86SYang Jihong return -1; 10048dbc3c86SYang Jihong } 10058dbc3c86SYang Jihong 10068dbc3c86SYang Jihong class->work_root = RB_ROOT_CACHED; 10078dbc3c86SYang Jihong return 0; 10088dbc3c86SYang Jihong } 10098dbc3c86SYang Jihong 10108dbc3c86SYang Jihong static void workqueue_work_init(struct kwork_class *class, 10118dbc3c86SYang Jihong struct kwork_work *work, 10128dbc3c86SYang Jihong struct evsel *evsel, 10138dbc3c86SYang Jihong struct perf_sample *sample, 10148dbc3c86SYang Jihong struct machine *machine) 10158dbc3c86SYang Jihong { 10168dbc3c86SYang Jihong char *modp = NULL; 10178dbc3c86SYang Jihong unsigned long long function_addr = evsel__intval(evsel, 10188dbc3c86SYang Jihong sample, "function"); 10198dbc3c86SYang Jihong 10208dbc3c86SYang Jihong work->class = class; 10218dbc3c86SYang Jihong work->cpu = sample->cpu; 10228dbc3c86SYang Jihong work->id = evsel__intval(evsel, sample, "work"); 10238dbc3c86SYang Jihong work->name = function_addr == 0 ? NULL : 10248dbc3c86SYang Jihong machine__resolve_kernel_addr(machine, &function_addr, &modp); 10258dbc3c86SYang Jihong } 10268dbc3c86SYang Jihong 10278dbc3c86SYang Jihong static void workqueue_work_name(struct kwork_work *work, char *buf, int len) 10288dbc3c86SYang Jihong { 10298dbc3c86SYang Jihong if (work->name != NULL) 10308dbc3c86SYang Jihong snprintf(buf, len, "(w)%s", work->name); 10318dbc3c86SYang Jihong else 10328dbc3c86SYang Jihong snprintf(buf, len, "(w)0x%" PRIx64, work->id); 10338dbc3c86SYang Jihong } 10348dbc3c86SYang Jihong 103597179d9dSYang Jihong static struct kwork_class kwork_workqueue = { 103697179d9dSYang Jihong .name = "workqueue", 103797179d9dSYang Jihong .type = KWORK_CLASS_WORKQUEUE, 103897179d9dSYang Jihong .nr_tracepoints = 3, 103997179d9dSYang Jihong .tp_handlers = workqueue_tp_handlers, 10408dbc3c86SYang Jihong .class_init = workqueue_class_init, 10418dbc3c86SYang Jihong .work_init = workqueue_work_init, 10428dbc3c86SYang Jihong .work_name = workqueue_work_name, 104397179d9dSYang Jihong }; 104497179d9dSYang Jihong 10450f70d8e9SYang Jihong static struct kwork_class *kwork_class_supported_list[KWORK_CLASS_MAX] = { 10464f8ae962SYang Jihong [KWORK_CLASS_IRQ] = &kwork_irq, 1047e6439321SYang Jihong [KWORK_CLASS_SOFTIRQ] = &kwork_softirq, 104897179d9dSYang Jihong [KWORK_CLASS_WORKQUEUE] = &kwork_workqueue, 10490f70d8e9SYang Jihong }; 10500f70d8e9SYang Jihong 1051f98919ecSYang Jihong static void print_separator(int len) 1052f98919ecSYang Jihong { 1053f98919ecSYang Jihong printf(" %.*s\n", len, graph_dotted_line); 1054f98919ecSYang Jihong } 1055f98919ecSYang Jihong 1056f98919ecSYang Jihong static int report_print_work(struct perf_kwork *kwork, struct kwork_work *work) 1057f98919ecSYang Jihong { 1058f98919ecSYang Jihong int ret = 0; 1059f98919ecSYang Jihong char kwork_name[PRINT_KWORK_NAME_WIDTH]; 1060f98919ecSYang Jihong char max_runtime_start[32], max_runtime_end[32]; 1061ad3d9f7aSYang Jihong char max_latency_start[32], max_latency_end[32]; 1062f98919ecSYang Jihong 1063f98919ecSYang Jihong printf(" "); 1064f98919ecSYang Jihong 1065f98919ecSYang Jihong /* 1066f98919ecSYang Jihong * kwork name 1067f98919ecSYang Jihong */ 1068f98919ecSYang Jihong if (work->class && work->class->work_name) { 1069f98919ecSYang Jihong work->class->work_name(work, kwork_name, 1070f98919ecSYang Jihong PRINT_KWORK_NAME_WIDTH); 1071f98919ecSYang Jihong ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, kwork_name); 1072f98919ecSYang Jihong } else { 1073f98919ecSYang Jihong ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, ""); 1074f98919ecSYang Jihong } 1075f98919ecSYang Jihong 1076f98919ecSYang Jihong /* 1077f98919ecSYang Jihong * cpu 1078f98919ecSYang Jihong */ 1079f98919ecSYang Jihong ret += printf(" %0*d |", PRINT_CPU_WIDTH, work->cpu); 1080f98919ecSYang Jihong 1081f98919ecSYang Jihong /* 1082f98919ecSYang Jihong * total runtime 1083f98919ecSYang Jihong */ 1084f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1085f98919ecSYang Jihong ret += printf(" %*.*f ms |", 1086f98919ecSYang Jihong PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 1087f98919ecSYang Jihong (double)work->total_runtime / NSEC_PER_MSEC); 1088ad3d9f7aSYang Jihong } else if (kwork->report == KWORK_REPORT_LATENCY) { // avg delay 1089ad3d9f7aSYang Jihong ret += printf(" %*.*f ms |", 1090ad3d9f7aSYang Jihong PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 1091ad3d9f7aSYang Jihong (double)work->total_latency / 1092ad3d9f7aSYang Jihong work->nr_atoms / NSEC_PER_MSEC); 1093f98919ecSYang Jihong } 1094f98919ecSYang Jihong 1095f98919ecSYang Jihong /* 1096f98919ecSYang Jihong * count 1097f98919ecSYang Jihong */ 1098f98919ecSYang Jihong ret += printf(" %*" PRIu64 " |", PRINT_COUNT_WIDTH, work->nr_atoms); 1099f98919ecSYang Jihong 1100f98919ecSYang Jihong /* 1101f98919ecSYang Jihong * max runtime, max runtime start, max runtime end 1102f98919ecSYang Jihong */ 1103f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1104f98919ecSYang Jihong timestamp__scnprintf_usec(work->max_runtime_start, 1105f98919ecSYang Jihong max_runtime_start, 1106f98919ecSYang Jihong sizeof(max_runtime_start)); 1107f98919ecSYang Jihong timestamp__scnprintf_usec(work->max_runtime_end, 1108f98919ecSYang Jihong max_runtime_end, 1109f98919ecSYang Jihong sizeof(max_runtime_end)); 1110f98919ecSYang Jihong ret += printf(" %*.*f ms | %*s s | %*s s |", 1111f98919ecSYang Jihong PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 1112f98919ecSYang Jihong (double)work->max_runtime / NSEC_PER_MSEC, 1113f98919ecSYang Jihong PRINT_TIMESTAMP_WIDTH, max_runtime_start, 1114f98919ecSYang Jihong PRINT_TIMESTAMP_WIDTH, max_runtime_end); 1115f98919ecSYang Jihong } 1116ad3d9f7aSYang Jihong /* 1117ad3d9f7aSYang Jihong * max delay, max delay start, max delay end 1118ad3d9f7aSYang Jihong */ 1119ad3d9f7aSYang Jihong else if (kwork->report == KWORK_REPORT_LATENCY) { 1120ad3d9f7aSYang Jihong timestamp__scnprintf_usec(work->max_latency_start, 1121ad3d9f7aSYang Jihong max_latency_start, 1122ad3d9f7aSYang Jihong sizeof(max_latency_start)); 1123ad3d9f7aSYang Jihong timestamp__scnprintf_usec(work->max_latency_end, 1124ad3d9f7aSYang Jihong max_latency_end, 1125ad3d9f7aSYang Jihong sizeof(max_latency_end)); 1126ad3d9f7aSYang Jihong ret += printf(" %*.*f ms | %*s s | %*s s |", 1127ad3d9f7aSYang Jihong PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 1128ad3d9f7aSYang Jihong (double)work->max_latency / NSEC_PER_MSEC, 1129ad3d9f7aSYang Jihong PRINT_TIMESTAMP_WIDTH, max_latency_start, 1130ad3d9f7aSYang Jihong PRINT_TIMESTAMP_WIDTH, max_latency_end); 1131ad3d9f7aSYang Jihong } 1132f98919ecSYang Jihong 1133f98919ecSYang Jihong printf("\n"); 1134f98919ecSYang Jihong return ret; 1135f98919ecSYang Jihong } 1136f98919ecSYang Jihong 1137f98919ecSYang Jihong static int report_print_header(struct perf_kwork *kwork) 1138f98919ecSYang Jihong { 1139f98919ecSYang Jihong int ret; 1140f98919ecSYang Jihong 1141f98919ecSYang Jihong printf("\n "); 1142f98919ecSYang Jihong ret = printf(" %-*s | %-*s |", 1143f98919ecSYang Jihong PRINT_KWORK_NAME_WIDTH, "Kwork Name", 1144f98919ecSYang Jihong PRINT_CPU_WIDTH, "Cpu"); 1145f98919ecSYang Jihong 1146f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1147f98919ecSYang Jihong ret += printf(" %-*s |", 1148f98919ecSYang Jihong PRINT_RUNTIME_HEADER_WIDTH, "Total Runtime"); 1149ad3d9f7aSYang Jihong } else if (kwork->report == KWORK_REPORT_LATENCY) { 1150ad3d9f7aSYang Jihong ret += printf(" %-*s |", 1151ad3d9f7aSYang Jihong PRINT_LATENCY_HEADER_WIDTH, "Avg delay"); 1152f98919ecSYang Jihong } 1153f98919ecSYang Jihong 1154f98919ecSYang Jihong ret += printf(" %-*s |", PRINT_COUNT_WIDTH, "Count"); 1155f98919ecSYang Jihong 1156f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1157f98919ecSYang Jihong ret += printf(" %-*s | %-*s | %-*s |", 1158f98919ecSYang Jihong PRINT_RUNTIME_HEADER_WIDTH, "Max runtime", 1159f98919ecSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime start", 1160f98919ecSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime end"); 1161ad3d9f7aSYang Jihong } else if (kwork->report == KWORK_REPORT_LATENCY) { 1162ad3d9f7aSYang Jihong ret += printf(" %-*s | %-*s | %-*s |", 1163ad3d9f7aSYang Jihong PRINT_LATENCY_HEADER_WIDTH, "Max delay", 1164ad3d9f7aSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay start", 1165ad3d9f7aSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay end"); 1166f98919ecSYang Jihong } 1167f98919ecSYang Jihong 1168f98919ecSYang Jihong printf("\n"); 1169f98919ecSYang Jihong print_separator(ret); 1170f98919ecSYang Jihong return ret; 1171f98919ecSYang Jihong } 1172f98919ecSYang Jihong 1173bcc8b3e8SYang Jihong static void timehist_print_header(void) 1174bcc8b3e8SYang Jihong { 1175bcc8b3e8SYang Jihong /* 1176bcc8b3e8SYang Jihong * header row 1177bcc8b3e8SYang Jihong */ 1178bcc8b3e8SYang Jihong printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", 1179bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "Runtime start", 1180bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "Runtime end", 1181bcc8b3e8SYang Jihong PRINT_TIMEHIST_CPU_WIDTH, "Cpu", 1182bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH, "Kwork name", 1183bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "Runtime", 1184bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "Delaytime"); 1185bcc8b3e8SYang Jihong 1186bcc8b3e8SYang Jihong /* 1187bcc8b3e8SYang Jihong * units row 1188bcc8b3e8SYang Jihong */ 1189bcc8b3e8SYang Jihong printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", 1190bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "", 1191bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "", 1192bcc8b3e8SYang Jihong PRINT_TIMEHIST_CPU_WIDTH, "", 1193bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH, "(TYPE)NAME:NUM", 1194bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "(msec)", 1195bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "(msec)"); 1196bcc8b3e8SYang Jihong 1197bcc8b3e8SYang Jihong /* 1198bcc8b3e8SYang Jihong * separator 1199bcc8b3e8SYang Jihong */ 1200bcc8b3e8SYang Jihong printf(" %.*s %.*s %.*s %.*s %.*s %.*s\n", 1201bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, graph_dotted_line, 1202bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, graph_dotted_line, 1203bcc8b3e8SYang Jihong PRINT_TIMEHIST_CPU_WIDTH, graph_dotted_line, 1204bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH, graph_dotted_line, 1205bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, graph_dotted_line, 1206bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, graph_dotted_line); 1207bcc8b3e8SYang Jihong } 1208bcc8b3e8SYang Jihong 1209f98919ecSYang Jihong static void print_summary(struct perf_kwork *kwork) 1210f98919ecSYang Jihong { 1211f98919ecSYang Jihong u64 time = kwork->timeend - kwork->timestart; 1212f98919ecSYang Jihong 1213f98919ecSYang Jihong printf(" Total count : %9" PRIu64 "\n", kwork->all_count); 1214f98919ecSYang Jihong printf(" Total runtime (msec) : %9.3f (%.3f%% load average)\n", 1215f98919ecSYang Jihong (double)kwork->all_runtime / NSEC_PER_MSEC, 1216f98919ecSYang Jihong time == 0 ? 0 : (double)kwork->all_runtime / time); 1217f98919ecSYang Jihong printf(" Total time span (msec) : %9.3f\n", 1218f98919ecSYang Jihong (double)time / NSEC_PER_MSEC); 1219f98919ecSYang Jihong } 1220f98919ecSYang Jihong 1221f98919ecSYang Jihong static unsigned long long nr_list_entry(struct list_head *head) 1222f98919ecSYang Jihong { 1223f98919ecSYang Jihong struct list_head *pos; 1224f98919ecSYang Jihong unsigned long long n = 0; 1225f98919ecSYang Jihong 1226f98919ecSYang Jihong list_for_each(pos, head) 1227f98919ecSYang Jihong n++; 1228f98919ecSYang Jihong 1229f98919ecSYang Jihong return n; 1230f98919ecSYang Jihong } 1231f98919ecSYang Jihong 1232f98919ecSYang Jihong static void print_skipped_events(struct perf_kwork *kwork) 1233f98919ecSYang Jihong { 1234f98919ecSYang Jihong int i; 1235f98919ecSYang Jihong const char *const kwork_event_str[] = { 1236ad3d9f7aSYang Jihong [KWORK_TRACE_RAISE] = "raise", 1237f98919ecSYang Jihong [KWORK_TRACE_ENTRY] = "entry", 1238f98919ecSYang Jihong [KWORK_TRACE_EXIT] = "exit", 1239f98919ecSYang Jihong }; 1240f98919ecSYang Jihong 1241f98919ecSYang Jihong if ((kwork->nr_skipped_events[KWORK_TRACE_MAX] != 0) && 1242f98919ecSYang Jihong (kwork->nr_events != 0)) { 1243f98919ecSYang Jihong printf(" INFO: %.3f%% skipped events (%" PRIu64 " including ", 1244f98919ecSYang Jihong (double)kwork->nr_skipped_events[KWORK_TRACE_MAX] / 1245f98919ecSYang Jihong (double)kwork->nr_events * 100.0, 1246f98919ecSYang Jihong kwork->nr_skipped_events[KWORK_TRACE_MAX]); 1247f98919ecSYang Jihong 1248f98919ecSYang Jihong for (i = 0; i < KWORK_TRACE_MAX; i++) { 1249f98919ecSYang Jihong printf("%" PRIu64 " %s%s", 1250f98919ecSYang Jihong kwork->nr_skipped_events[i], 1251f98919ecSYang Jihong kwork_event_str[i], 1252f98919ecSYang Jihong (i == KWORK_TRACE_MAX - 1) ? ")\n" : ", "); 1253f98919ecSYang Jihong } 1254f98919ecSYang Jihong } 1255f98919ecSYang Jihong 1256f98919ecSYang Jihong if (verbose > 0) 1257f98919ecSYang Jihong printf(" INFO: use %lld atom pages\n", 1258f98919ecSYang Jihong nr_list_entry(&kwork->atom_page_list)); 1259f98919ecSYang Jihong } 1260f98919ecSYang Jihong 1261f98919ecSYang Jihong static void print_bad_events(struct perf_kwork *kwork) 1262f98919ecSYang Jihong { 1263f98919ecSYang Jihong if ((kwork->nr_lost_events != 0) && (kwork->nr_events != 0)) { 1264f98919ecSYang Jihong printf(" INFO: %.3f%% lost events (%ld out of %ld, in %ld chunks)\n", 1265f98919ecSYang Jihong (double)kwork->nr_lost_events / 1266f98919ecSYang Jihong (double)kwork->nr_events * 100.0, 1267f98919ecSYang Jihong kwork->nr_lost_events, kwork->nr_events, 1268f98919ecSYang Jihong kwork->nr_lost_chunks); 1269f98919ecSYang Jihong } 1270f98919ecSYang Jihong } 1271f98919ecSYang Jihong 1272f98919ecSYang Jihong static void work_sort(struct perf_kwork *kwork, struct kwork_class *class) 1273f98919ecSYang Jihong { 1274f98919ecSYang Jihong struct rb_node *node; 1275f98919ecSYang Jihong struct kwork_work *data; 1276f98919ecSYang Jihong struct rb_root_cached *root = &class->work_root; 1277f98919ecSYang Jihong 1278f98919ecSYang Jihong pr_debug("Sorting %s ...\n", class->name); 1279f98919ecSYang Jihong for (;;) { 1280f98919ecSYang Jihong node = rb_first_cached(root); 1281f98919ecSYang Jihong if (!node) 1282f98919ecSYang Jihong break; 1283f98919ecSYang Jihong 1284f98919ecSYang Jihong rb_erase_cached(node, root); 1285f98919ecSYang Jihong data = rb_entry(node, struct kwork_work, node); 1286f98919ecSYang Jihong work_insert(&kwork->sorted_work_root, 1287f98919ecSYang Jihong data, &kwork->sort_list); 1288f98919ecSYang Jihong } 1289f98919ecSYang Jihong } 1290f98919ecSYang Jihong 1291f98919ecSYang Jihong static void perf_kwork__sort(struct perf_kwork *kwork) 1292f98919ecSYang Jihong { 1293f98919ecSYang Jihong struct kwork_class *class; 1294f98919ecSYang Jihong 1295f98919ecSYang Jihong list_for_each_entry(class, &kwork->class_list, list) 1296f98919ecSYang Jihong work_sort(kwork, class); 1297f98919ecSYang Jihong } 1298f98919ecSYang Jihong 1299f98919ecSYang Jihong static int perf_kwork__check_config(struct perf_kwork *kwork, 1300f98919ecSYang Jihong struct perf_session *session) 1301f98919ecSYang Jihong { 1302f98919ecSYang Jihong int ret; 1303bcc8b3e8SYang Jihong struct evsel *evsel; 1304f98919ecSYang Jihong struct kwork_class *class; 1305f98919ecSYang Jihong 1306f98919ecSYang Jihong static struct trace_kwork_handler report_ops = { 1307f98919ecSYang Jihong .entry_event = report_entry_event, 1308f98919ecSYang Jihong .exit_event = report_exit_event, 1309f98919ecSYang Jihong }; 1310ad3d9f7aSYang Jihong static struct trace_kwork_handler latency_ops = { 1311ad3d9f7aSYang Jihong .raise_event = latency_raise_event, 1312ad3d9f7aSYang Jihong .entry_event = latency_entry_event, 1313ad3d9f7aSYang Jihong }; 1314bcc8b3e8SYang Jihong static struct trace_kwork_handler timehist_ops = { 1315bcc8b3e8SYang Jihong .raise_event = timehist_raise_event, 1316bcc8b3e8SYang Jihong .entry_event = timehist_entry_event, 1317bcc8b3e8SYang Jihong .exit_event = timehist_exit_event, 1318bcc8b3e8SYang Jihong }; 1319f98919ecSYang Jihong 1320f98919ecSYang Jihong switch (kwork->report) { 1321f98919ecSYang Jihong case KWORK_REPORT_RUNTIME: 1322f98919ecSYang Jihong kwork->tp_handler = &report_ops; 1323f98919ecSYang Jihong break; 1324ad3d9f7aSYang Jihong case KWORK_REPORT_LATENCY: 1325ad3d9f7aSYang Jihong kwork->tp_handler = &latency_ops; 1326ad3d9f7aSYang Jihong break; 1327bcc8b3e8SYang Jihong case KWORK_REPORT_TIMEHIST: 1328bcc8b3e8SYang Jihong kwork->tp_handler = &timehist_ops; 1329bcc8b3e8SYang Jihong break; 1330f98919ecSYang Jihong default: 1331f98919ecSYang Jihong pr_debug("Invalid report type %d\n", kwork->report); 1332f98919ecSYang Jihong return -1; 1333f98919ecSYang Jihong } 1334f98919ecSYang Jihong 1335f98919ecSYang Jihong list_for_each_entry(class, &kwork->class_list, list) 1336f98919ecSYang Jihong if ((class->class_init != NULL) && 1337f98919ecSYang Jihong (class->class_init(class, session) != 0)) 1338f98919ecSYang Jihong return -1; 1339f98919ecSYang Jihong 1340f98919ecSYang Jihong if (kwork->cpu_list != NULL) { 1341f98919ecSYang Jihong ret = perf_session__cpu_bitmap(session, 1342f98919ecSYang Jihong kwork->cpu_list, 1343f98919ecSYang Jihong kwork->cpu_bitmap); 1344f98919ecSYang Jihong if (ret < 0) { 1345f98919ecSYang Jihong pr_err("Invalid cpu bitmap\n"); 1346f98919ecSYang Jihong return -1; 1347f98919ecSYang Jihong } 1348f98919ecSYang Jihong } 1349f98919ecSYang Jihong 1350f98919ecSYang Jihong if (kwork->time_str != NULL) { 1351f98919ecSYang Jihong ret = perf_time__parse_str(&kwork->ptime, kwork->time_str); 1352f98919ecSYang Jihong if (ret != 0) { 1353f98919ecSYang Jihong pr_err("Invalid time span\n"); 1354f98919ecSYang Jihong return -1; 1355f98919ecSYang Jihong } 1356f98919ecSYang Jihong } 1357f98919ecSYang Jihong 1358bcc8b3e8SYang Jihong list_for_each_entry(evsel, &session->evlist->core.entries, core.node) { 1359bcc8b3e8SYang Jihong if (kwork->show_callchain && !evsel__has_callchain(evsel)) { 1360bcc8b3e8SYang Jihong pr_debug("Samples do not have callchains\n"); 1361bcc8b3e8SYang Jihong kwork->show_callchain = 0; 1362bcc8b3e8SYang Jihong symbol_conf.use_callchain = 0; 1363bcc8b3e8SYang Jihong } 1364bcc8b3e8SYang Jihong } 1365bcc8b3e8SYang Jihong 1366f98919ecSYang Jihong return 0; 1367f98919ecSYang Jihong } 1368f98919ecSYang Jihong 1369f98919ecSYang Jihong static int perf_kwork__read_events(struct perf_kwork *kwork) 1370f98919ecSYang Jihong { 1371f98919ecSYang Jihong int ret = -1; 1372f98919ecSYang Jihong struct perf_session *session = NULL; 1373f98919ecSYang Jihong 1374f98919ecSYang Jihong struct perf_data data = { 1375f98919ecSYang Jihong .path = input_name, 1376f98919ecSYang Jihong .mode = PERF_DATA_MODE_READ, 1377f98919ecSYang Jihong .force = kwork->force, 1378f98919ecSYang Jihong }; 1379f98919ecSYang Jihong 1380f98919ecSYang Jihong session = perf_session__new(&data, &kwork->tool); 1381f98919ecSYang Jihong if (IS_ERR(session)) { 1382f98919ecSYang Jihong pr_debug("Error creating perf session\n"); 1383f98919ecSYang Jihong return PTR_ERR(session); 1384f98919ecSYang Jihong } 1385f98919ecSYang Jihong 1386f98919ecSYang Jihong symbol__init(&session->header.env); 1387f98919ecSYang Jihong 1388f98919ecSYang Jihong if (perf_kwork__check_config(kwork, session) != 0) 1389f98919ecSYang Jihong goto out_delete; 1390f98919ecSYang Jihong 1391f98919ecSYang Jihong if (session->tevent.pevent && 1392f98919ecSYang Jihong tep_set_function_resolver(session->tevent.pevent, 1393f98919ecSYang Jihong machine__resolve_kernel_addr, 1394f98919ecSYang Jihong &session->machines.host) < 0) { 1395f98919ecSYang Jihong pr_err("Failed to set libtraceevent function resolver\n"); 1396f98919ecSYang Jihong goto out_delete; 1397f98919ecSYang Jihong } 1398f98919ecSYang Jihong 1399bcc8b3e8SYang Jihong if (kwork->report == KWORK_REPORT_TIMEHIST) 1400bcc8b3e8SYang Jihong timehist_print_header(); 1401bcc8b3e8SYang Jihong 1402f98919ecSYang Jihong ret = perf_session__process_events(session); 1403f98919ecSYang Jihong if (ret) { 1404f98919ecSYang Jihong pr_debug("Failed to process events, error %d\n", ret); 1405f98919ecSYang Jihong goto out_delete; 1406f98919ecSYang Jihong } 1407f98919ecSYang Jihong 1408f98919ecSYang Jihong kwork->nr_events = session->evlist->stats.nr_events[0]; 1409f98919ecSYang Jihong kwork->nr_lost_events = session->evlist->stats.total_lost; 1410f98919ecSYang Jihong kwork->nr_lost_chunks = session->evlist->stats.nr_events[PERF_RECORD_LOST]; 1411f98919ecSYang Jihong 1412f98919ecSYang Jihong out_delete: 1413f98919ecSYang Jihong perf_session__delete(session); 1414f98919ecSYang Jihong return ret; 1415f98919ecSYang Jihong } 1416f98919ecSYang Jihong 1417f98919ecSYang Jihong static void process_skipped_events(struct perf_kwork *kwork, 1418f98919ecSYang Jihong struct kwork_work *work) 1419f98919ecSYang Jihong { 1420f98919ecSYang Jihong int i; 1421f98919ecSYang Jihong unsigned long long count; 1422f98919ecSYang Jihong 1423f98919ecSYang Jihong for (i = 0; i < KWORK_TRACE_MAX; i++) { 1424f98919ecSYang Jihong count = nr_list_entry(&work->atom_list[i]); 1425f98919ecSYang Jihong kwork->nr_skipped_events[i] += count; 1426f98919ecSYang Jihong kwork->nr_skipped_events[KWORK_TRACE_MAX] += count; 1427f98919ecSYang Jihong } 1428f98919ecSYang Jihong } 1429f98919ecSYang Jihong 1430*daf07d22SYang Jihong struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork, 1431*daf07d22SYang Jihong struct kwork_class *class, 1432*daf07d22SYang Jihong struct kwork_work *key) 1433*daf07d22SYang Jihong { 1434*daf07d22SYang Jihong struct kwork_work *work = NULL; 1435*daf07d22SYang Jihong 1436*daf07d22SYang Jihong work = work_new(key); 1437*daf07d22SYang Jihong if (work == NULL) 1438*daf07d22SYang Jihong return NULL; 1439*daf07d22SYang Jihong 1440*daf07d22SYang Jihong work_insert(&class->work_root, work, &kwork->cmp_id); 1441*daf07d22SYang Jihong return work; 1442*daf07d22SYang Jihong } 1443*daf07d22SYang Jihong 1444*daf07d22SYang Jihong static void sig_handler(int sig) 1445*daf07d22SYang Jihong { 1446*daf07d22SYang Jihong /* 1447*daf07d22SYang Jihong * Simply capture termination signal so that 1448*daf07d22SYang Jihong * the program can continue after pause returns 1449*daf07d22SYang Jihong */ 1450*daf07d22SYang Jihong pr_debug("Captuer signal %d\n", sig); 1451*daf07d22SYang Jihong } 1452*daf07d22SYang Jihong 1453*daf07d22SYang Jihong static int perf_kwork__report_bpf(struct perf_kwork *kwork) 1454*daf07d22SYang Jihong { 1455*daf07d22SYang Jihong int ret; 1456*daf07d22SYang Jihong 1457*daf07d22SYang Jihong signal(SIGINT, sig_handler); 1458*daf07d22SYang Jihong signal(SIGTERM, sig_handler); 1459*daf07d22SYang Jihong 1460*daf07d22SYang Jihong ret = perf_kwork__trace_prepare_bpf(kwork); 1461*daf07d22SYang Jihong if (ret) 1462*daf07d22SYang Jihong return -1; 1463*daf07d22SYang Jihong 1464*daf07d22SYang Jihong printf("Starting trace, Hit <Ctrl+C> to stop and report\n"); 1465*daf07d22SYang Jihong 1466*daf07d22SYang Jihong perf_kwork__trace_start(); 1467*daf07d22SYang Jihong 1468*daf07d22SYang Jihong /* 1469*daf07d22SYang Jihong * a simple pause, wait here for stop signal 1470*daf07d22SYang Jihong */ 1471*daf07d22SYang Jihong pause(); 1472*daf07d22SYang Jihong 1473*daf07d22SYang Jihong perf_kwork__trace_finish(); 1474*daf07d22SYang Jihong 1475*daf07d22SYang Jihong perf_kwork__report_read_bpf(kwork); 1476*daf07d22SYang Jihong 1477*daf07d22SYang Jihong perf_kwork__report_cleanup_bpf(); 1478*daf07d22SYang Jihong 1479*daf07d22SYang Jihong return 0; 1480*daf07d22SYang Jihong } 1481*daf07d22SYang Jihong 1482f98919ecSYang Jihong static int perf_kwork__report(struct perf_kwork *kwork) 1483f98919ecSYang Jihong { 1484f98919ecSYang Jihong int ret; 1485f98919ecSYang Jihong struct rb_node *next; 1486f98919ecSYang Jihong struct kwork_work *work; 1487f98919ecSYang Jihong 1488*daf07d22SYang Jihong if (kwork->use_bpf) 1489*daf07d22SYang Jihong ret = perf_kwork__report_bpf(kwork); 1490*daf07d22SYang Jihong else 1491f98919ecSYang Jihong ret = perf_kwork__read_events(kwork); 1492*daf07d22SYang Jihong 1493f98919ecSYang Jihong if (ret != 0) 1494f98919ecSYang Jihong return -1; 1495f98919ecSYang Jihong 1496f98919ecSYang Jihong perf_kwork__sort(kwork); 1497f98919ecSYang Jihong 1498f98919ecSYang Jihong setup_pager(); 1499f98919ecSYang Jihong 1500f98919ecSYang Jihong ret = report_print_header(kwork); 1501f98919ecSYang Jihong next = rb_first_cached(&kwork->sorted_work_root); 1502f98919ecSYang Jihong while (next) { 1503f98919ecSYang Jihong work = rb_entry(next, struct kwork_work, node); 1504f98919ecSYang Jihong process_skipped_events(kwork, work); 1505f98919ecSYang Jihong 1506f98919ecSYang Jihong if (work->nr_atoms != 0) { 1507f98919ecSYang Jihong report_print_work(kwork, work); 1508f98919ecSYang Jihong if (kwork->summary) { 1509f98919ecSYang Jihong kwork->all_runtime += work->total_runtime; 1510f98919ecSYang Jihong kwork->all_count += work->nr_atoms; 1511f98919ecSYang Jihong } 1512f98919ecSYang Jihong } 1513f98919ecSYang Jihong next = rb_next(next); 1514f98919ecSYang Jihong } 1515f98919ecSYang Jihong print_separator(ret); 1516f98919ecSYang Jihong 1517f98919ecSYang Jihong if (kwork->summary) { 1518f98919ecSYang Jihong print_summary(kwork); 1519f98919ecSYang Jihong print_separator(ret); 1520f98919ecSYang Jihong } 1521f98919ecSYang Jihong 1522f98919ecSYang Jihong print_bad_events(kwork); 1523f98919ecSYang Jihong print_skipped_events(kwork); 1524f98919ecSYang Jihong printf("\n"); 1525f98919ecSYang Jihong 1526f98919ecSYang Jihong return 0; 1527f98919ecSYang Jihong } 1528f98919ecSYang Jihong 1529f98919ecSYang Jihong typedef int (*tracepoint_handler)(struct perf_tool *tool, 1530f98919ecSYang Jihong struct evsel *evsel, 1531f98919ecSYang Jihong struct perf_sample *sample, 1532f98919ecSYang Jihong struct machine *machine); 1533f98919ecSYang Jihong 1534f98919ecSYang Jihong static int perf_kwork__process_tracepoint_sample(struct perf_tool *tool, 1535f98919ecSYang Jihong union perf_event *event __maybe_unused, 1536f98919ecSYang Jihong struct perf_sample *sample, 1537f98919ecSYang Jihong struct evsel *evsel, 1538f98919ecSYang Jihong struct machine *machine) 1539f98919ecSYang Jihong { 1540f98919ecSYang Jihong int err = 0; 1541f98919ecSYang Jihong 1542f98919ecSYang Jihong if (evsel->handler != NULL) { 1543f98919ecSYang Jihong tracepoint_handler f = evsel->handler; 1544f98919ecSYang Jihong 1545f98919ecSYang Jihong err = f(tool, evsel, sample, machine); 1546f98919ecSYang Jihong } 1547f98919ecSYang Jihong 1548f98919ecSYang Jihong return err; 1549f98919ecSYang Jihong } 1550f98919ecSYang Jihong 1551bcc8b3e8SYang Jihong static int perf_kwork__timehist(struct perf_kwork *kwork) 1552bcc8b3e8SYang Jihong { 1553bcc8b3e8SYang Jihong /* 1554bcc8b3e8SYang Jihong * event handlers for timehist option 1555bcc8b3e8SYang Jihong */ 1556bcc8b3e8SYang Jihong kwork->tool.comm = perf_event__process_comm; 1557bcc8b3e8SYang Jihong kwork->tool.exit = perf_event__process_exit; 1558bcc8b3e8SYang Jihong kwork->tool.fork = perf_event__process_fork; 1559bcc8b3e8SYang Jihong kwork->tool.attr = perf_event__process_attr; 1560bcc8b3e8SYang Jihong kwork->tool.tracing_data = perf_event__process_tracing_data; 1561bcc8b3e8SYang Jihong kwork->tool.build_id = perf_event__process_build_id; 1562bcc8b3e8SYang Jihong kwork->tool.ordered_events = true; 1563bcc8b3e8SYang Jihong kwork->tool.ordering_requires_timestamps = true; 1564bcc8b3e8SYang Jihong symbol_conf.use_callchain = kwork->show_callchain; 1565bcc8b3e8SYang Jihong 1566bcc8b3e8SYang Jihong if (symbol__validate_sym_arguments()) { 1567bcc8b3e8SYang Jihong pr_err("Failed to validate sym arguments\n"); 1568bcc8b3e8SYang Jihong return -1; 1569bcc8b3e8SYang Jihong } 1570bcc8b3e8SYang Jihong 1571bcc8b3e8SYang Jihong setup_pager(); 1572bcc8b3e8SYang Jihong 1573bcc8b3e8SYang Jihong return perf_kwork__read_events(kwork); 1574bcc8b3e8SYang Jihong } 1575bcc8b3e8SYang Jihong 15760f70d8e9SYang Jihong static void setup_event_list(struct perf_kwork *kwork, 15770f70d8e9SYang Jihong const struct option *options, 15780f70d8e9SYang Jihong const char * const usage_msg[]) 15790f70d8e9SYang Jihong { 15800f70d8e9SYang Jihong int i; 15810f70d8e9SYang Jihong struct kwork_class *class; 15820f70d8e9SYang Jihong char *tmp, *tok, *str; 15830f70d8e9SYang Jihong 15840f70d8e9SYang Jihong if (kwork->event_list_str == NULL) 15850f70d8e9SYang Jihong goto null_event_list_str; 15860f70d8e9SYang Jihong 15870f70d8e9SYang Jihong str = strdup(kwork->event_list_str); 15880f70d8e9SYang Jihong for (tok = strtok_r(str, ", ", &tmp); 15890f70d8e9SYang Jihong tok; tok = strtok_r(NULL, ", ", &tmp)) { 15900f70d8e9SYang Jihong for (i = 0; i < KWORK_CLASS_MAX; i++) { 15910f70d8e9SYang Jihong class = kwork_class_supported_list[i]; 15920f70d8e9SYang Jihong if (strcmp(tok, class->name) == 0) { 15930f70d8e9SYang Jihong list_add_tail(&class->list, &kwork->class_list); 15940f70d8e9SYang Jihong break; 15950f70d8e9SYang Jihong } 15960f70d8e9SYang Jihong } 15970f70d8e9SYang Jihong if (i == KWORK_CLASS_MAX) { 15980f70d8e9SYang Jihong usage_with_options_msg(usage_msg, options, 15990f70d8e9SYang Jihong "Unknown --event key: `%s'", tok); 16000f70d8e9SYang Jihong } 16010f70d8e9SYang Jihong } 16020f70d8e9SYang Jihong free(str); 16030f70d8e9SYang Jihong 16040f70d8e9SYang Jihong null_event_list_str: 16050f70d8e9SYang Jihong /* 16060f70d8e9SYang Jihong * config all kwork events if not specified 16070f70d8e9SYang Jihong */ 16080f70d8e9SYang Jihong if (list_empty(&kwork->class_list)) { 16090f70d8e9SYang Jihong for (i = 0; i < KWORK_CLASS_MAX; i++) { 16100f70d8e9SYang Jihong list_add_tail(&kwork_class_supported_list[i]->list, 16110f70d8e9SYang Jihong &kwork->class_list); 16120f70d8e9SYang Jihong } 16130f70d8e9SYang Jihong } 16140f70d8e9SYang Jihong 16150f70d8e9SYang Jihong pr_debug("Config event list:"); 16160f70d8e9SYang Jihong list_for_each_entry(class, &kwork->class_list, list) 16170f70d8e9SYang Jihong pr_debug(" %s", class->name); 16180f70d8e9SYang Jihong pr_debug("\n"); 16190f70d8e9SYang Jihong } 16200f70d8e9SYang Jihong 16210f70d8e9SYang Jihong static int perf_kwork__record(struct perf_kwork *kwork, 16220f70d8e9SYang Jihong int argc, const char **argv) 16230f70d8e9SYang Jihong { 16240f70d8e9SYang Jihong const char **rec_argv; 16250f70d8e9SYang Jihong unsigned int rec_argc, i, j; 16260f70d8e9SYang Jihong struct kwork_class *class; 16270f70d8e9SYang Jihong 16280f70d8e9SYang Jihong const char *const record_args[] = { 16290f70d8e9SYang Jihong "record", 16300f70d8e9SYang Jihong "-a", 16310f70d8e9SYang Jihong "-R", 16320f70d8e9SYang Jihong "-m", "1024", 16330f70d8e9SYang Jihong "-c", "1", 16340f70d8e9SYang Jihong }; 16350f70d8e9SYang Jihong 16360f70d8e9SYang Jihong rec_argc = ARRAY_SIZE(record_args) + argc - 1; 16370f70d8e9SYang Jihong 16380f70d8e9SYang Jihong list_for_each_entry(class, &kwork->class_list, list) 16390f70d8e9SYang Jihong rec_argc += 2 * class->nr_tracepoints; 16400f70d8e9SYang Jihong 16410f70d8e9SYang Jihong rec_argv = calloc(rec_argc + 1, sizeof(char *)); 16420f70d8e9SYang Jihong if (rec_argv == NULL) 16430f70d8e9SYang Jihong return -ENOMEM; 16440f70d8e9SYang Jihong 16450f70d8e9SYang Jihong for (i = 0; i < ARRAY_SIZE(record_args); i++) 16460f70d8e9SYang Jihong rec_argv[i] = strdup(record_args[i]); 16470f70d8e9SYang Jihong 16480f70d8e9SYang Jihong list_for_each_entry(class, &kwork->class_list, list) { 16490f70d8e9SYang Jihong for (j = 0; j < class->nr_tracepoints; j++) { 16500f70d8e9SYang Jihong rec_argv[i++] = strdup("-e"); 16510f70d8e9SYang Jihong rec_argv[i++] = strdup(class->tp_handlers[j].name); 16520f70d8e9SYang Jihong } 16530f70d8e9SYang Jihong } 16540f70d8e9SYang Jihong 16550f70d8e9SYang Jihong for (j = 1; j < (unsigned int)argc; j++, i++) 16560f70d8e9SYang Jihong rec_argv[i] = argv[j]; 16570f70d8e9SYang Jihong 16580f70d8e9SYang Jihong BUG_ON(i != rec_argc); 16590f70d8e9SYang Jihong 16600f70d8e9SYang Jihong pr_debug("record comm: "); 16610f70d8e9SYang Jihong for (j = 0; j < rec_argc; j++) 16620f70d8e9SYang Jihong pr_debug("%s ", rec_argv[j]); 16630f70d8e9SYang Jihong pr_debug("\n"); 16640f70d8e9SYang Jihong 16650f70d8e9SYang Jihong return cmd_record(i, rec_argv); 16660f70d8e9SYang Jihong } 16670f70d8e9SYang Jihong 16680f70d8e9SYang Jihong int cmd_kwork(int argc, const char **argv) 16690f70d8e9SYang Jihong { 16700f70d8e9SYang Jihong static struct perf_kwork kwork = { 16710f70d8e9SYang Jihong .class_list = LIST_HEAD_INIT(kwork.class_list), 1672f98919ecSYang Jihong .tool = { 1673f98919ecSYang Jihong .mmap = perf_event__process_mmap, 1674f98919ecSYang Jihong .mmap2 = perf_event__process_mmap2, 1675f98919ecSYang Jihong .sample = perf_kwork__process_tracepoint_sample, 1676f98919ecSYang Jihong }, 1677f98919ecSYang Jihong .atom_page_list = LIST_HEAD_INIT(kwork.atom_page_list), 1678f98919ecSYang Jihong .sort_list = LIST_HEAD_INIT(kwork.sort_list), 1679f98919ecSYang Jihong .cmp_id = LIST_HEAD_INIT(kwork.cmp_id), 1680f98919ecSYang Jihong .sorted_work_root = RB_ROOT_CACHED, 1681f98919ecSYang Jihong .tp_handler = NULL, 1682f98919ecSYang Jihong .profile_name = NULL, 1683f98919ecSYang Jihong .cpu_list = NULL, 1684f98919ecSYang Jihong .time_str = NULL, 16850f70d8e9SYang Jihong .force = false, 16860f70d8e9SYang Jihong .event_list_str = NULL, 1687f98919ecSYang Jihong .summary = false, 1688f98919ecSYang Jihong .sort_order = NULL, 1689bcc8b3e8SYang Jihong .show_callchain = false, 1690bcc8b3e8SYang Jihong .max_stack = 5, 1691f98919ecSYang Jihong .timestart = 0, 1692f98919ecSYang Jihong .timeend = 0, 1693f98919ecSYang Jihong .nr_events = 0, 1694f98919ecSYang Jihong .nr_lost_chunks = 0, 1695f98919ecSYang Jihong .nr_lost_events = 0, 1696f98919ecSYang Jihong .all_runtime = 0, 1697f98919ecSYang Jihong .all_count = 0, 1698f98919ecSYang Jihong .nr_skipped_events = { 0 }, 16990f70d8e9SYang Jihong }; 1700f98919ecSYang Jihong static const char default_report_sort_order[] = "runtime, max, count"; 1701ad3d9f7aSYang Jihong static const char default_latency_sort_order[] = "avg, max, count"; 17020f70d8e9SYang Jihong const struct option kwork_options[] = { 17030f70d8e9SYang Jihong OPT_INCR('v', "verbose", &verbose, 17040f70d8e9SYang Jihong "be more verbose (show symbol address, etc)"), 17050f70d8e9SYang Jihong OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 17060f70d8e9SYang Jihong "dump raw trace in ASCII"), 17070f70d8e9SYang Jihong OPT_STRING('k', "kwork", &kwork.event_list_str, "kwork", 170897179d9dSYang Jihong "list of kwork to profile (irq, softirq, workqueue, etc)"), 17090f70d8e9SYang Jihong OPT_BOOLEAN('f', "force", &kwork.force, "don't complain, do it"), 17100f70d8e9SYang Jihong OPT_END() 17110f70d8e9SYang Jihong }; 1712f98919ecSYang Jihong const struct option report_options[] = { 1713f98919ecSYang Jihong OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", 1714f98919ecSYang Jihong "sort by key(s): runtime, max, count"), 1715f98919ecSYang Jihong OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 1716f98919ecSYang Jihong "list of cpus to profile"), 1717f98919ecSYang Jihong OPT_STRING('n', "name", &kwork.profile_name, "name", 1718f98919ecSYang Jihong "event name to profile"), 1719f98919ecSYang Jihong OPT_STRING(0, "time", &kwork.time_str, "str", 1720f98919ecSYang Jihong "Time span for analysis (start,stop)"), 1721f98919ecSYang Jihong OPT_STRING('i', "input", &input_name, "file", 1722f98919ecSYang Jihong "input file name"), 1723f98919ecSYang Jihong OPT_BOOLEAN('S', "with-summary", &kwork.summary, 1724f98919ecSYang Jihong "Show summary with statistics"), 1725*daf07d22SYang Jihong #ifdef HAVE_BPF_SKEL 1726*daf07d22SYang Jihong OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf, 1727*daf07d22SYang Jihong "Use BPF to measure kwork runtime"), 1728*daf07d22SYang Jihong #endif 1729f98919ecSYang Jihong OPT_PARENT(kwork_options) 1730f98919ecSYang Jihong }; 1731ad3d9f7aSYang Jihong const struct option latency_options[] = { 1732ad3d9f7aSYang Jihong OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", 1733ad3d9f7aSYang Jihong "sort by key(s): avg, max, count"), 1734ad3d9f7aSYang Jihong OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 1735ad3d9f7aSYang Jihong "list of cpus to profile"), 1736ad3d9f7aSYang Jihong OPT_STRING('n', "name", &kwork.profile_name, "name", 1737ad3d9f7aSYang Jihong "event name to profile"), 1738ad3d9f7aSYang Jihong OPT_STRING(0, "time", &kwork.time_str, "str", 1739ad3d9f7aSYang Jihong "Time span for analysis (start,stop)"), 1740ad3d9f7aSYang Jihong OPT_STRING('i', "input", &input_name, "file", 1741ad3d9f7aSYang Jihong "input file name"), 1742*daf07d22SYang Jihong #ifdef HAVE_BPF_SKEL 1743*daf07d22SYang Jihong OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf, 1744*daf07d22SYang Jihong "Use BPF to measure kwork latency"), 1745*daf07d22SYang Jihong #endif 1746ad3d9f7aSYang Jihong OPT_PARENT(kwork_options) 1747ad3d9f7aSYang Jihong }; 1748bcc8b3e8SYang Jihong const struct option timehist_options[] = { 1749bcc8b3e8SYang Jihong OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1750bcc8b3e8SYang Jihong "file", "vmlinux pathname"), 1751bcc8b3e8SYang Jihong OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1752bcc8b3e8SYang Jihong "file", "kallsyms pathname"), 1753bcc8b3e8SYang Jihong OPT_BOOLEAN('g', "call-graph", &kwork.show_callchain, 1754bcc8b3e8SYang Jihong "Display call chains if present"), 1755bcc8b3e8SYang Jihong OPT_UINTEGER(0, "max-stack", &kwork.max_stack, 1756bcc8b3e8SYang Jihong "Maximum number of functions to display backtrace."), 1757bcc8b3e8SYang Jihong OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 1758bcc8b3e8SYang Jihong "Look for files with symbols relative to this directory"), 1759bcc8b3e8SYang Jihong OPT_STRING(0, "time", &kwork.time_str, "str", 1760bcc8b3e8SYang Jihong "Time span for analysis (start,stop)"), 1761bcc8b3e8SYang Jihong OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 1762bcc8b3e8SYang Jihong "list of cpus to profile"), 1763bcc8b3e8SYang Jihong OPT_STRING('n', "name", &kwork.profile_name, "name", 1764bcc8b3e8SYang Jihong "event name to profile"), 1765bcc8b3e8SYang Jihong OPT_STRING('i', "input", &input_name, "file", 1766bcc8b3e8SYang Jihong "input file name"), 1767bcc8b3e8SYang Jihong OPT_PARENT(kwork_options) 1768bcc8b3e8SYang Jihong }; 17690f70d8e9SYang Jihong const char *kwork_usage[] = { 17700f70d8e9SYang Jihong NULL, 17710f70d8e9SYang Jihong NULL 17720f70d8e9SYang Jihong }; 1773f98919ecSYang Jihong const char * const report_usage[] = { 1774f98919ecSYang Jihong "perf kwork report [<options>]", 1775f98919ecSYang Jihong NULL 1776f98919ecSYang Jihong }; 1777ad3d9f7aSYang Jihong const char * const latency_usage[] = { 1778ad3d9f7aSYang Jihong "perf kwork latency [<options>]", 1779ad3d9f7aSYang Jihong NULL 1780ad3d9f7aSYang Jihong }; 1781bcc8b3e8SYang Jihong const char * const timehist_usage[] = { 1782bcc8b3e8SYang Jihong "perf kwork timehist [<options>]", 1783bcc8b3e8SYang Jihong NULL 1784bcc8b3e8SYang Jihong }; 17850f70d8e9SYang Jihong const char *const kwork_subcommands[] = { 1786bcc8b3e8SYang Jihong "record", "report", "latency", "timehist", NULL 17870f70d8e9SYang Jihong }; 17880f70d8e9SYang Jihong 17890f70d8e9SYang Jihong argc = parse_options_subcommand(argc, argv, kwork_options, 17900f70d8e9SYang Jihong kwork_subcommands, kwork_usage, 17910f70d8e9SYang Jihong PARSE_OPT_STOP_AT_NON_OPTION); 17920f70d8e9SYang Jihong if (!argc) 17930f70d8e9SYang Jihong usage_with_options(kwork_usage, kwork_options); 17940f70d8e9SYang Jihong 17950f70d8e9SYang Jihong setup_event_list(&kwork, kwork_options, kwork_usage); 1796f98919ecSYang Jihong sort_dimension__add(&kwork, "id", &kwork.cmp_id); 17970f70d8e9SYang Jihong 17980f70d8e9SYang Jihong if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) 17990f70d8e9SYang Jihong return perf_kwork__record(&kwork, argc, argv); 1800f98919ecSYang Jihong else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 1801f98919ecSYang Jihong kwork.sort_order = default_report_sort_order; 1802f98919ecSYang Jihong if (argc > 1) { 1803f98919ecSYang Jihong argc = parse_options(argc, argv, report_options, report_usage, 0); 1804f98919ecSYang Jihong if (argc) 1805f98919ecSYang Jihong usage_with_options(report_usage, report_options); 1806f98919ecSYang Jihong } 1807f98919ecSYang Jihong kwork.report = KWORK_REPORT_RUNTIME; 1808f98919ecSYang Jihong setup_sorting(&kwork, report_options, report_usage); 1809f98919ecSYang Jihong return perf_kwork__report(&kwork); 1810ad3d9f7aSYang Jihong } else if (strlen(argv[0]) > 2 && strstarts("latency", argv[0])) { 1811ad3d9f7aSYang Jihong kwork.sort_order = default_latency_sort_order; 1812ad3d9f7aSYang Jihong if (argc > 1) { 1813ad3d9f7aSYang Jihong argc = parse_options(argc, argv, latency_options, latency_usage, 0); 1814ad3d9f7aSYang Jihong if (argc) 1815ad3d9f7aSYang Jihong usage_with_options(latency_usage, latency_options); 1816ad3d9f7aSYang Jihong } 1817ad3d9f7aSYang Jihong kwork.report = KWORK_REPORT_LATENCY; 1818ad3d9f7aSYang Jihong setup_sorting(&kwork, latency_options, latency_usage); 1819ad3d9f7aSYang Jihong return perf_kwork__report(&kwork); 1820bcc8b3e8SYang Jihong } else if (strlen(argv[0]) > 2 && strstarts("timehist", argv[0])) { 1821bcc8b3e8SYang Jihong if (argc > 1) { 1822bcc8b3e8SYang Jihong argc = parse_options(argc, argv, timehist_options, timehist_usage, 0); 1823bcc8b3e8SYang Jihong if (argc) 1824bcc8b3e8SYang Jihong usage_with_options(timehist_usage, timehist_options); 1825bcc8b3e8SYang Jihong } 1826bcc8b3e8SYang Jihong kwork.report = KWORK_REPORT_TIMEHIST; 1827bcc8b3e8SYang Jihong return perf_kwork__timehist(&kwork); 1828f98919ecSYang Jihong } else 18290f70d8e9SYang Jihong usage_with_options(kwork_usage, kwork_options); 18300f70d8e9SYang Jihong 18310f70d8e9SYang Jihong return 0; 18320f70d8e9SYang Jihong } 1833