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 38*bcc8b3e8SYang 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) 43*bcc8b3e8SYang 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 { 332f98919ecSYang Jihong struct kwork_work *work = NULL; 333f98919ecSYang Jihong 334f98919ecSYang Jihong work = work_search(root, key, sort_list); 335f98919ecSYang Jihong if (work != NULL) 336f98919ecSYang Jihong return work; 337f98919ecSYang Jihong 338f98919ecSYang Jihong work = work_new(key); 339f98919ecSYang Jihong if (work == NULL) 340f98919ecSYang Jihong return NULL; 341f98919ecSYang Jihong 342f98919ecSYang Jihong work_insert(root, work, sort_list); 343f98919ecSYang Jihong return work; 344f98919ecSYang Jihong } 345f98919ecSYang Jihong 346f98919ecSYang Jihong static void profile_update_timespan(struct perf_kwork *kwork, 347f98919ecSYang Jihong struct perf_sample *sample) 348f98919ecSYang Jihong { 349f98919ecSYang Jihong if (!kwork->summary) 350f98919ecSYang Jihong return; 351f98919ecSYang Jihong 352f98919ecSYang Jihong if ((kwork->timestart == 0) || (kwork->timestart > sample->time)) 353f98919ecSYang Jihong kwork->timestart = sample->time; 354f98919ecSYang Jihong 355f98919ecSYang Jihong if (kwork->timeend < sample->time) 356f98919ecSYang Jihong kwork->timeend = sample->time; 357f98919ecSYang Jihong } 358f98919ecSYang Jihong 359f98919ecSYang Jihong static bool profile_event_match(struct perf_kwork *kwork, 360f98919ecSYang Jihong struct kwork_work *work, 361f98919ecSYang Jihong struct perf_sample *sample) 362f98919ecSYang Jihong { 363f98919ecSYang Jihong int cpu = work->cpu; 364f98919ecSYang Jihong u64 time = sample->time; 365f98919ecSYang Jihong struct perf_time_interval *ptime = &kwork->ptime; 366f98919ecSYang Jihong 367f98919ecSYang Jihong if ((kwork->cpu_list != NULL) && !test_bit(cpu, kwork->cpu_bitmap)) 368f98919ecSYang Jihong return false; 369f98919ecSYang Jihong 370f98919ecSYang Jihong if (((ptime->start != 0) && (ptime->start > time)) || 371f98919ecSYang Jihong ((ptime->end != 0) && (ptime->end < time))) 372f98919ecSYang Jihong return false; 373f98919ecSYang Jihong 374f98919ecSYang Jihong if ((kwork->profile_name != NULL) && 375f98919ecSYang Jihong (work->name != NULL) && 376f98919ecSYang Jihong (strcmp(work->name, kwork->profile_name) != 0)) 377f98919ecSYang Jihong return false; 378f98919ecSYang Jihong 379f98919ecSYang Jihong profile_update_timespan(kwork, sample); 380f98919ecSYang Jihong return true; 381f98919ecSYang Jihong } 382f98919ecSYang Jihong 383f98919ecSYang Jihong static int work_push_atom(struct perf_kwork *kwork, 384f98919ecSYang Jihong struct kwork_class *class, 385f98919ecSYang Jihong enum kwork_trace_type src_type, 386f98919ecSYang Jihong enum kwork_trace_type dst_type, 387f98919ecSYang Jihong struct evsel *evsel, 388f98919ecSYang Jihong struct perf_sample *sample, 389f98919ecSYang Jihong struct machine *machine, 390f98919ecSYang Jihong struct kwork_work **ret_work) 391f98919ecSYang Jihong { 392f98919ecSYang Jihong struct kwork_atom *atom, *dst_atom; 393f98919ecSYang Jihong struct kwork_work *work, key; 394f98919ecSYang Jihong 395f98919ecSYang Jihong BUG_ON(class->work_init == NULL); 396f98919ecSYang Jihong class->work_init(class, &key, evsel, sample, machine); 397f98919ecSYang Jihong 398f98919ecSYang Jihong atom = atom_new(kwork, sample); 399f98919ecSYang Jihong if (atom == NULL) 400f98919ecSYang Jihong return -1; 401f98919ecSYang Jihong 402f98919ecSYang Jihong work = work_findnew(&class->work_root, &key, &kwork->cmp_id); 403f98919ecSYang Jihong if (work == NULL) { 404f98919ecSYang Jihong free(atom); 405f98919ecSYang Jihong return -1; 406f98919ecSYang Jihong } 407f98919ecSYang Jihong 408f98919ecSYang Jihong if (!profile_event_match(kwork, work, sample)) 409f98919ecSYang Jihong return 0; 410f98919ecSYang Jihong 411f98919ecSYang Jihong if (dst_type < KWORK_TRACE_MAX) { 412f98919ecSYang Jihong dst_atom = list_last_entry_or_null(&work->atom_list[dst_type], 413f98919ecSYang Jihong struct kwork_atom, list); 414f98919ecSYang Jihong if (dst_atom != NULL) { 415f98919ecSYang Jihong atom->prev = dst_atom; 416f98919ecSYang Jihong list_del(&dst_atom->list); 417f98919ecSYang Jihong } 418f98919ecSYang Jihong } 419f98919ecSYang Jihong 420f98919ecSYang Jihong if (ret_work != NULL) 421f98919ecSYang Jihong *ret_work = work; 422f98919ecSYang Jihong 423f98919ecSYang Jihong list_add_tail(&atom->list, &work->atom_list[src_type]); 424f98919ecSYang Jihong 425f98919ecSYang Jihong return 0; 426f98919ecSYang Jihong } 427f98919ecSYang Jihong 428f98919ecSYang Jihong static struct kwork_atom *work_pop_atom(struct perf_kwork *kwork, 429f98919ecSYang Jihong struct kwork_class *class, 430f98919ecSYang Jihong enum kwork_trace_type src_type, 431f98919ecSYang Jihong enum kwork_trace_type dst_type, 432f98919ecSYang Jihong struct evsel *evsel, 433f98919ecSYang Jihong struct perf_sample *sample, 434f98919ecSYang Jihong struct machine *machine, 435f98919ecSYang Jihong struct kwork_work **ret_work) 436f98919ecSYang Jihong { 437f98919ecSYang Jihong struct kwork_atom *atom, *src_atom; 438f98919ecSYang Jihong struct kwork_work *work, key; 439f98919ecSYang Jihong 440f98919ecSYang Jihong BUG_ON(class->work_init == NULL); 441f98919ecSYang Jihong class->work_init(class, &key, evsel, sample, machine); 442f98919ecSYang Jihong 443f98919ecSYang Jihong work = work_findnew(&class->work_root, &key, &kwork->cmp_id); 444f98919ecSYang Jihong if (ret_work != NULL) 445f98919ecSYang Jihong *ret_work = work; 446f98919ecSYang Jihong 447f98919ecSYang Jihong if (work == NULL) 448f98919ecSYang Jihong return NULL; 449f98919ecSYang Jihong 450f98919ecSYang Jihong if (!profile_event_match(kwork, work, sample)) 451f98919ecSYang Jihong return NULL; 452f98919ecSYang Jihong 453f98919ecSYang Jihong atom = list_last_entry_or_null(&work->atom_list[dst_type], 454f98919ecSYang Jihong struct kwork_atom, list); 455f98919ecSYang Jihong if (atom != NULL) 456f98919ecSYang Jihong return atom; 457f98919ecSYang Jihong 458f98919ecSYang Jihong src_atom = atom_new(kwork, sample); 459f98919ecSYang Jihong if (src_atom != NULL) 460f98919ecSYang Jihong list_add_tail(&src_atom->list, &work->atom_list[src_type]); 461f98919ecSYang Jihong else { 462f98919ecSYang Jihong if (ret_work != NULL) 463f98919ecSYang Jihong *ret_work = NULL; 464f98919ecSYang Jihong } 465f98919ecSYang Jihong 466f98919ecSYang Jihong return NULL; 467f98919ecSYang Jihong } 468f98919ecSYang Jihong 469f98919ecSYang Jihong static void report_update_exit_event(struct kwork_work *work, 470f98919ecSYang Jihong struct kwork_atom *atom, 471f98919ecSYang Jihong struct perf_sample *sample) 472f98919ecSYang Jihong { 473f98919ecSYang Jihong u64 delta; 474f98919ecSYang Jihong u64 exit_time = sample->time; 475f98919ecSYang Jihong u64 entry_time = atom->time; 476f98919ecSYang Jihong 477f98919ecSYang Jihong if ((entry_time != 0) && (exit_time >= entry_time)) { 478f98919ecSYang Jihong delta = exit_time - entry_time; 479f98919ecSYang Jihong if ((delta > work->max_runtime) || 480f98919ecSYang Jihong (work->max_runtime == 0)) { 481f98919ecSYang Jihong work->max_runtime = delta; 482f98919ecSYang Jihong work->max_runtime_start = entry_time; 483f98919ecSYang Jihong work->max_runtime_end = exit_time; 484f98919ecSYang Jihong } 485f98919ecSYang Jihong work->total_runtime += delta; 486f98919ecSYang Jihong work->nr_atoms++; 487f98919ecSYang Jihong } 488f98919ecSYang Jihong } 489f98919ecSYang Jihong 490f98919ecSYang Jihong static int report_entry_event(struct perf_kwork *kwork, 491f98919ecSYang Jihong struct kwork_class *class, 492f98919ecSYang Jihong struct evsel *evsel, 493f98919ecSYang Jihong struct perf_sample *sample, 494f98919ecSYang Jihong struct machine *machine) 495f98919ecSYang Jihong { 496f98919ecSYang Jihong return work_push_atom(kwork, class, KWORK_TRACE_ENTRY, 497f98919ecSYang Jihong KWORK_TRACE_MAX, evsel, sample, 498f98919ecSYang Jihong machine, NULL); 499f98919ecSYang Jihong } 500f98919ecSYang Jihong 501f98919ecSYang Jihong static int report_exit_event(struct perf_kwork *kwork, 502f98919ecSYang Jihong struct kwork_class *class, 503f98919ecSYang Jihong struct evsel *evsel, 504f98919ecSYang Jihong struct perf_sample *sample, 505f98919ecSYang Jihong struct machine *machine) 506f98919ecSYang Jihong { 507f98919ecSYang Jihong struct kwork_atom *atom = NULL; 508f98919ecSYang Jihong struct kwork_work *work = NULL; 509f98919ecSYang Jihong 510f98919ecSYang Jihong atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, 511f98919ecSYang Jihong KWORK_TRACE_ENTRY, evsel, sample, 512f98919ecSYang Jihong machine, &work); 513f98919ecSYang Jihong if (work == NULL) 514f98919ecSYang Jihong return -1; 515f98919ecSYang Jihong 516f98919ecSYang Jihong if (atom != NULL) { 517f98919ecSYang Jihong report_update_exit_event(work, atom, sample); 518f98919ecSYang Jihong atom_del(atom); 519f98919ecSYang Jihong } 520f98919ecSYang Jihong 521f98919ecSYang Jihong return 0; 522f98919ecSYang Jihong } 523f98919ecSYang Jihong 524ad3d9f7aSYang Jihong static void latency_update_entry_event(struct kwork_work *work, 525ad3d9f7aSYang Jihong struct kwork_atom *atom, 526ad3d9f7aSYang Jihong struct perf_sample *sample) 527ad3d9f7aSYang Jihong { 528ad3d9f7aSYang Jihong u64 delta; 529ad3d9f7aSYang Jihong u64 entry_time = sample->time; 530ad3d9f7aSYang Jihong u64 raise_time = atom->time; 531ad3d9f7aSYang Jihong 532ad3d9f7aSYang Jihong if ((raise_time != 0) && (entry_time >= raise_time)) { 533ad3d9f7aSYang Jihong delta = entry_time - raise_time; 534ad3d9f7aSYang Jihong if ((delta > work->max_latency) || 535ad3d9f7aSYang Jihong (work->max_latency == 0)) { 536ad3d9f7aSYang Jihong work->max_latency = delta; 537ad3d9f7aSYang Jihong work->max_latency_start = raise_time; 538ad3d9f7aSYang Jihong work->max_latency_end = entry_time; 539ad3d9f7aSYang Jihong } 540ad3d9f7aSYang Jihong work->total_latency += delta; 541ad3d9f7aSYang Jihong work->nr_atoms++; 542ad3d9f7aSYang Jihong } 543ad3d9f7aSYang Jihong } 544ad3d9f7aSYang Jihong 545ad3d9f7aSYang Jihong static int latency_raise_event(struct perf_kwork *kwork, 546ad3d9f7aSYang Jihong struct kwork_class *class, 547ad3d9f7aSYang Jihong struct evsel *evsel, 548ad3d9f7aSYang Jihong struct perf_sample *sample, 549ad3d9f7aSYang Jihong struct machine *machine) 550ad3d9f7aSYang Jihong { 551ad3d9f7aSYang Jihong return work_push_atom(kwork, class, KWORK_TRACE_RAISE, 552ad3d9f7aSYang Jihong KWORK_TRACE_MAX, evsel, sample, 553ad3d9f7aSYang Jihong machine, NULL); 554ad3d9f7aSYang Jihong } 555ad3d9f7aSYang Jihong 556ad3d9f7aSYang Jihong static int latency_entry_event(struct perf_kwork *kwork, 557ad3d9f7aSYang Jihong struct kwork_class *class, 558ad3d9f7aSYang Jihong struct evsel *evsel, 559ad3d9f7aSYang Jihong struct perf_sample *sample, 560ad3d9f7aSYang Jihong struct machine *machine) 561ad3d9f7aSYang Jihong { 562ad3d9f7aSYang Jihong struct kwork_atom *atom = NULL; 563ad3d9f7aSYang Jihong struct kwork_work *work = NULL; 564ad3d9f7aSYang Jihong 565ad3d9f7aSYang Jihong atom = work_pop_atom(kwork, class, KWORK_TRACE_ENTRY, 566ad3d9f7aSYang Jihong KWORK_TRACE_RAISE, evsel, sample, 567ad3d9f7aSYang Jihong machine, &work); 568ad3d9f7aSYang Jihong if (work == NULL) 569ad3d9f7aSYang Jihong return -1; 570ad3d9f7aSYang Jihong 571ad3d9f7aSYang Jihong if (atom != NULL) { 572ad3d9f7aSYang Jihong latency_update_entry_event(work, atom, sample); 573ad3d9f7aSYang Jihong atom_del(atom); 574ad3d9f7aSYang Jihong } 575ad3d9f7aSYang Jihong 576ad3d9f7aSYang Jihong return 0; 577ad3d9f7aSYang Jihong } 578ad3d9f7aSYang Jihong 579*bcc8b3e8SYang Jihong static void timehist_save_callchain(struct perf_kwork *kwork, 580*bcc8b3e8SYang Jihong struct perf_sample *sample, 581*bcc8b3e8SYang Jihong struct evsel *evsel, 582*bcc8b3e8SYang Jihong struct machine *machine) 583*bcc8b3e8SYang Jihong { 584*bcc8b3e8SYang Jihong struct symbol *sym; 585*bcc8b3e8SYang Jihong struct thread *thread; 586*bcc8b3e8SYang Jihong struct callchain_cursor_node *node; 587*bcc8b3e8SYang Jihong struct callchain_cursor *cursor = &callchain_cursor; 588*bcc8b3e8SYang Jihong 589*bcc8b3e8SYang Jihong if (!kwork->show_callchain || sample->callchain == NULL) 590*bcc8b3e8SYang Jihong return; 591*bcc8b3e8SYang Jihong 592*bcc8b3e8SYang Jihong /* want main thread for process - has maps */ 593*bcc8b3e8SYang Jihong thread = machine__findnew_thread(machine, sample->pid, sample->pid); 594*bcc8b3e8SYang Jihong if (thread == NULL) { 595*bcc8b3e8SYang Jihong pr_debug("Failed to get thread for pid %d\n", sample->pid); 596*bcc8b3e8SYang Jihong return; 597*bcc8b3e8SYang Jihong } 598*bcc8b3e8SYang Jihong 599*bcc8b3e8SYang Jihong if (thread__resolve_callchain(thread, cursor, evsel, sample, 600*bcc8b3e8SYang Jihong NULL, NULL, kwork->max_stack + 2) != 0) { 601*bcc8b3e8SYang Jihong pr_debug("Failed to resolve callchain, skipping\n"); 602*bcc8b3e8SYang Jihong goto out_put; 603*bcc8b3e8SYang Jihong } 604*bcc8b3e8SYang Jihong 605*bcc8b3e8SYang Jihong callchain_cursor_commit(cursor); 606*bcc8b3e8SYang Jihong 607*bcc8b3e8SYang Jihong while (true) { 608*bcc8b3e8SYang Jihong node = callchain_cursor_current(cursor); 609*bcc8b3e8SYang Jihong if (node == NULL) 610*bcc8b3e8SYang Jihong break; 611*bcc8b3e8SYang Jihong 612*bcc8b3e8SYang Jihong sym = node->ms.sym; 613*bcc8b3e8SYang Jihong if (sym) { 614*bcc8b3e8SYang Jihong if (!strcmp(sym->name, "__softirqentry_text_start") || 615*bcc8b3e8SYang Jihong !strcmp(sym->name, "__do_softirq")) 616*bcc8b3e8SYang Jihong sym->ignore = 1; 617*bcc8b3e8SYang Jihong } 618*bcc8b3e8SYang Jihong 619*bcc8b3e8SYang Jihong callchain_cursor_advance(cursor); 620*bcc8b3e8SYang Jihong } 621*bcc8b3e8SYang Jihong 622*bcc8b3e8SYang Jihong out_put: 623*bcc8b3e8SYang Jihong thread__put(thread); 624*bcc8b3e8SYang Jihong } 625*bcc8b3e8SYang Jihong 626*bcc8b3e8SYang Jihong static void timehist_print_event(struct perf_kwork *kwork, 627*bcc8b3e8SYang Jihong struct kwork_work *work, 628*bcc8b3e8SYang Jihong struct kwork_atom *atom, 629*bcc8b3e8SYang Jihong struct perf_sample *sample, 630*bcc8b3e8SYang Jihong struct addr_location *al) 631*bcc8b3e8SYang Jihong { 632*bcc8b3e8SYang Jihong char entrytime[32], exittime[32]; 633*bcc8b3e8SYang Jihong char kwork_name[PRINT_KWORK_NAME_WIDTH]; 634*bcc8b3e8SYang Jihong 635*bcc8b3e8SYang Jihong /* 636*bcc8b3e8SYang Jihong * runtime start 637*bcc8b3e8SYang Jihong */ 638*bcc8b3e8SYang Jihong timestamp__scnprintf_usec(atom->time, 639*bcc8b3e8SYang Jihong entrytime, sizeof(entrytime)); 640*bcc8b3e8SYang Jihong printf(" %*s ", PRINT_TIMESTAMP_WIDTH, entrytime); 641*bcc8b3e8SYang Jihong 642*bcc8b3e8SYang Jihong /* 643*bcc8b3e8SYang Jihong * runtime end 644*bcc8b3e8SYang Jihong */ 645*bcc8b3e8SYang Jihong timestamp__scnprintf_usec(sample->time, 646*bcc8b3e8SYang Jihong exittime, sizeof(exittime)); 647*bcc8b3e8SYang Jihong printf(" %*s ", PRINT_TIMESTAMP_WIDTH, exittime); 648*bcc8b3e8SYang Jihong 649*bcc8b3e8SYang Jihong /* 650*bcc8b3e8SYang Jihong * cpu 651*bcc8b3e8SYang Jihong */ 652*bcc8b3e8SYang Jihong printf(" [%0*d] ", PRINT_CPU_WIDTH, work->cpu); 653*bcc8b3e8SYang Jihong 654*bcc8b3e8SYang Jihong /* 655*bcc8b3e8SYang Jihong * kwork name 656*bcc8b3e8SYang Jihong */ 657*bcc8b3e8SYang Jihong if (work->class && work->class->work_name) { 658*bcc8b3e8SYang Jihong work->class->work_name(work, kwork_name, 659*bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH); 660*bcc8b3e8SYang Jihong printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, kwork_name); 661*bcc8b3e8SYang Jihong } else 662*bcc8b3e8SYang Jihong printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, ""); 663*bcc8b3e8SYang Jihong 664*bcc8b3e8SYang Jihong /* 665*bcc8b3e8SYang Jihong *runtime 666*bcc8b3e8SYang Jihong */ 667*bcc8b3e8SYang Jihong printf(" %*.*f ", 668*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 669*bcc8b3e8SYang Jihong (double)(sample->time - atom->time) / NSEC_PER_MSEC); 670*bcc8b3e8SYang Jihong 671*bcc8b3e8SYang Jihong /* 672*bcc8b3e8SYang Jihong * delaytime 673*bcc8b3e8SYang Jihong */ 674*bcc8b3e8SYang Jihong if (atom->prev != NULL) 675*bcc8b3e8SYang Jihong printf(" %*.*f ", PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 676*bcc8b3e8SYang Jihong (double)(atom->time - atom->prev->time) / NSEC_PER_MSEC); 677*bcc8b3e8SYang Jihong else 678*bcc8b3e8SYang Jihong printf(" %*s ", PRINT_LATENCY_WIDTH, " "); 679*bcc8b3e8SYang Jihong 680*bcc8b3e8SYang Jihong /* 681*bcc8b3e8SYang Jihong * callchain 682*bcc8b3e8SYang Jihong */ 683*bcc8b3e8SYang Jihong if (kwork->show_callchain) { 684*bcc8b3e8SYang Jihong printf(" "); 685*bcc8b3e8SYang Jihong sample__fprintf_sym(sample, al, 0, 686*bcc8b3e8SYang Jihong EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE | 687*bcc8b3e8SYang Jihong EVSEL__PRINT_CALLCHAIN_ARROW | 688*bcc8b3e8SYang Jihong EVSEL__PRINT_SKIP_IGNORED, 689*bcc8b3e8SYang Jihong &callchain_cursor, symbol_conf.bt_stop_list, 690*bcc8b3e8SYang Jihong stdout); 691*bcc8b3e8SYang Jihong } 692*bcc8b3e8SYang Jihong 693*bcc8b3e8SYang Jihong printf("\n"); 694*bcc8b3e8SYang Jihong } 695*bcc8b3e8SYang Jihong 696*bcc8b3e8SYang Jihong static int timehist_raise_event(struct perf_kwork *kwork, 697*bcc8b3e8SYang Jihong struct kwork_class *class, 698*bcc8b3e8SYang Jihong struct evsel *evsel, 699*bcc8b3e8SYang Jihong struct perf_sample *sample, 700*bcc8b3e8SYang Jihong struct machine *machine) 701*bcc8b3e8SYang Jihong { 702*bcc8b3e8SYang Jihong return work_push_atom(kwork, class, KWORK_TRACE_RAISE, 703*bcc8b3e8SYang Jihong KWORK_TRACE_MAX, evsel, sample, 704*bcc8b3e8SYang Jihong machine, NULL); 705*bcc8b3e8SYang Jihong } 706*bcc8b3e8SYang Jihong 707*bcc8b3e8SYang Jihong static int timehist_entry_event(struct perf_kwork *kwork, 708*bcc8b3e8SYang Jihong struct kwork_class *class, 709*bcc8b3e8SYang Jihong struct evsel *evsel, 710*bcc8b3e8SYang Jihong struct perf_sample *sample, 711*bcc8b3e8SYang Jihong struct machine *machine) 712*bcc8b3e8SYang Jihong { 713*bcc8b3e8SYang Jihong int ret; 714*bcc8b3e8SYang Jihong struct kwork_work *work = NULL; 715*bcc8b3e8SYang Jihong 716*bcc8b3e8SYang Jihong ret = work_push_atom(kwork, class, KWORK_TRACE_ENTRY, 717*bcc8b3e8SYang Jihong KWORK_TRACE_RAISE, evsel, sample, 718*bcc8b3e8SYang Jihong machine, &work); 719*bcc8b3e8SYang Jihong if (ret) 720*bcc8b3e8SYang Jihong return ret; 721*bcc8b3e8SYang Jihong 722*bcc8b3e8SYang Jihong if (work != NULL) 723*bcc8b3e8SYang Jihong timehist_save_callchain(kwork, sample, evsel, machine); 724*bcc8b3e8SYang Jihong 725*bcc8b3e8SYang Jihong return 0; 726*bcc8b3e8SYang Jihong } 727*bcc8b3e8SYang Jihong 728*bcc8b3e8SYang Jihong static int timehist_exit_event(struct perf_kwork *kwork, 729*bcc8b3e8SYang Jihong struct kwork_class *class, 730*bcc8b3e8SYang Jihong struct evsel *evsel, 731*bcc8b3e8SYang Jihong struct perf_sample *sample, 732*bcc8b3e8SYang Jihong struct machine *machine) 733*bcc8b3e8SYang Jihong { 734*bcc8b3e8SYang Jihong struct kwork_atom *atom = NULL; 735*bcc8b3e8SYang Jihong struct kwork_work *work = NULL; 736*bcc8b3e8SYang Jihong struct addr_location al; 737*bcc8b3e8SYang Jihong 738*bcc8b3e8SYang Jihong if (machine__resolve(machine, &al, sample) < 0) { 739*bcc8b3e8SYang Jihong pr_debug("Problem processing event, skipping it\n"); 740*bcc8b3e8SYang Jihong return -1; 741*bcc8b3e8SYang Jihong } 742*bcc8b3e8SYang Jihong 743*bcc8b3e8SYang Jihong atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, 744*bcc8b3e8SYang Jihong KWORK_TRACE_ENTRY, evsel, sample, 745*bcc8b3e8SYang Jihong machine, &work); 746*bcc8b3e8SYang Jihong if (work == NULL) 747*bcc8b3e8SYang Jihong return -1; 748*bcc8b3e8SYang Jihong 749*bcc8b3e8SYang Jihong if (atom != NULL) { 750*bcc8b3e8SYang Jihong work->nr_atoms++; 751*bcc8b3e8SYang Jihong timehist_print_event(kwork, work, atom, sample, &al); 752*bcc8b3e8SYang Jihong atom_del(atom); 753*bcc8b3e8SYang Jihong } 754*bcc8b3e8SYang Jihong 755*bcc8b3e8SYang Jihong return 0; 756*bcc8b3e8SYang Jihong } 757*bcc8b3e8SYang Jihong 75894348520SYang Jihong static struct kwork_class kwork_irq; 75994348520SYang Jihong static int process_irq_handler_entry_event(struct perf_tool *tool, 76094348520SYang Jihong struct evsel *evsel, 76194348520SYang Jihong struct perf_sample *sample, 76294348520SYang Jihong struct machine *machine) 76394348520SYang Jihong { 76494348520SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 76594348520SYang Jihong 76694348520SYang Jihong if (kwork->tp_handler->entry_event) 76794348520SYang Jihong return kwork->tp_handler->entry_event(kwork, &kwork_irq, 76894348520SYang Jihong evsel, sample, machine); 76994348520SYang Jihong return 0; 77094348520SYang Jihong } 77194348520SYang Jihong 77294348520SYang Jihong static int process_irq_handler_exit_event(struct perf_tool *tool, 77394348520SYang Jihong struct evsel *evsel, 77494348520SYang Jihong struct perf_sample *sample, 77594348520SYang Jihong struct machine *machine) 77694348520SYang Jihong { 77794348520SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 77894348520SYang Jihong 77994348520SYang Jihong if (kwork->tp_handler->exit_event) 78094348520SYang Jihong return kwork->tp_handler->exit_event(kwork, &kwork_irq, 78194348520SYang Jihong evsel, sample, machine); 78294348520SYang Jihong return 0; 78394348520SYang Jihong } 78494348520SYang Jihong 7854f8ae962SYang Jihong const struct evsel_str_handler irq_tp_handlers[] = { 78694348520SYang Jihong { "irq:irq_handler_entry", process_irq_handler_entry_event, }, 78794348520SYang Jihong { "irq:irq_handler_exit", process_irq_handler_exit_event, }, 7884f8ae962SYang Jihong }; 7894f8ae962SYang Jihong 79094348520SYang Jihong static int irq_class_init(struct kwork_class *class, 79194348520SYang Jihong struct perf_session *session) 79294348520SYang Jihong { 79394348520SYang Jihong if (perf_session__set_tracepoints_handlers(session, irq_tp_handlers)) { 79494348520SYang Jihong pr_err("Failed to set irq tracepoints handlers\n"); 79594348520SYang Jihong return -1; 79694348520SYang Jihong } 79794348520SYang Jihong 79894348520SYang Jihong class->work_root = RB_ROOT_CACHED; 79994348520SYang Jihong return 0; 80094348520SYang Jihong } 80194348520SYang Jihong 80294348520SYang Jihong static void irq_work_init(struct kwork_class *class, 80394348520SYang Jihong struct kwork_work *work, 80494348520SYang Jihong struct evsel *evsel, 80594348520SYang Jihong struct perf_sample *sample, 80694348520SYang Jihong struct machine *machine __maybe_unused) 80794348520SYang Jihong { 80894348520SYang Jihong work->class = class; 80994348520SYang Jihong work->cpu = sample->cpu; 81094348520SYang Jihong work->id = evsel__intval(evsel, sample, "irq"); 81194348520SYang Jihong work->name = evsel__strval(evsel, sample, "name"); 81294348520SYang Jihong } 81394348520SYang Jihong 81494348520SYang Jihong static void irq_work_name(struct kwork_work *work, char *buf, int len) 81594348520SYang Jihong { 81694348520SYang Jihong snprintf(buf, len, "%s:%" PRIu64 "", work->name, work->id); 81794348520SYang Jihong } 81894348520SYang Jihong 8194f8ae962SYang Jihong static struct kwork_class kwork_irq = { 8204f8ae962SYang Jihong .name = "irq", 8214f8ae962SYang Jihong .type = KWORK_CLASS_IRQ, 8224f8ae962SYang Jihong .nr_tracepoints = 2, 8234f8ae962SYang Jihong .tp_handlers = irq_tp_handlers, 82494348520SYang Jihong .class_init = irq_class_init, 82594348520SYang Jihong .work_init = irq_work_init, 82694348520SYang Jihong .work_name = irq_work_name, 8274f8ae962SYang Jihong }; 8284f8ae962SYang Jihong 8294c148191SYang Jihong static struct kwork_class kwork_softirq; 83019807bbaSYang Jihong static int process_softirq_raise_event(struct perf_tool *tool, 83119807bbaSYang Jihong struct evsel *evsel, 83219807bbaSYang Jihong struct perf_sample *sample, 83319807bbaSYang Jihong struct machine *machine) 83419807bbaSYang Jihong { 83519807bbaSYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 83619807bbaSYang Jihong 83719807bbaSYang Jihong if (kwork->tp_handler->raise_event) 83819807bbaSYang Jihong return kwork->tp_handler->raise_event(kwork, &kwork_softirq, 83919807bbaSYang Jihong evsel, sample, machine); 84019807bbaSYang Jihong 84119807bbaSYang Jihong return 0; 84219807bbaSYang Jihong } 84319807bbaSYang Jihong 8444c148191SYang Jihong static int process_softirq_entry_event(struct perf_tool *tool, 8454c148191SYang Jihong struct evsel *evsel, 8464c148191SYang Jihong struct perf_sample *sample, 8474c148191SYang Jihong struct machine *machine) 8484c148191SYang Jihong { 8494c148191SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 8504c148191SYang Jihong 8514c148191SYang Jihong if (kwork->tp_handler->entry_event) 8524c148191SYang Jihong return kwork->tp_handler->entry_event(kwork, &kwork_softirq, 8534c148191SYang Jihong evsel, sample, machine); 8544c148191SYang Jihong 8554c148191SYang Jihong return 0; 8564c148191SYang Jihong } 8574c148191SYang Jihong 8584c148191SYang Jihong static int process_softirq_exit_event(struct perf_tool *tool, 8594c148191SYang Jihong struct evsel *evsel, 8604c148191SYang Jihong struct perf_sample *sample, 8614c148191SYang Jihong struct machine *machine) 8624c148191SYang Jihong { 8634c148191SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 8644c148191SYang Jihong 8654c148191SYang Jihong if (kwork->tp_handler->exit_event) 8664c148191SYang Jihong return kwork->tp_handler->exit_event(kwork, &kwork_softirq, 8674c148191SYang Jihong evsel, sample, machine); 8684c148191SYang Jihong 8694c148191SYang Jihong return 0; 8704c148191SYang Jihong } 8714c148191SYang Jihong 872e6439321SYang Jihong const struct evsel_str_handler softirq_tp_handlers[] = { 87319807bbaSYang Jihong { "irq:softirq_raise", process_softirq_raise_event, }, 8744c148191SYang Jihong { "irq:softirq_entry", process_softirq_entry_event, }, 8754c148191SYang Jihong { "irq:softirq_exit", process_softirq_exit_event, }, 876e6439321SYang Jihong }; 877e6439321SYang Jihong 8784c148191SYang Jihong static int softirq_class_init(struct kwork_class *class, 8794c148191SYang Jihong struct perf_session *session) 8804c148191SYang Jihong { 8814c148191SYang Jihong if (perf_session__set_tracepoints_handlers(session, 8824c148191SYang Jihong softirq_tp_handlers)) { 8834c148191SYang Jihong pr_err("Failed to set softirq tracepoints handlers\n"); 8844c148191SYang Jihong return -1; 8854c148191SYang Jihong } 8864c148191SYang Jihong 8874c148191SYang Jihong class->work_root = RB_ROOT_CACHED; 8884c148191SYang Jihong return 0; 8894c148191SYang Jihong } 8904c148191SYang Jihong 8914c148191SYang Jihong static char *evsel__softirq_name(struct evsel *evsel, u64 num) 8924c148191SYang Jihong { 8934c148191SYang Jihong char *name = NULL; 8944c148191SYang Jihong bool found = false; 8954c148191SYang Jihong struct tep_print_flag_sym *sym = NULL; 8964c148191SYang Jihong struct tep_print_arg *args = evsel->tp_format->print_fmt.args; 8974c148191SYang Jihong 8984c148191SYang Jihong if ((args == NULL) || (args->next == NULL)) 8994c148191SYang Jihong return NULL; 9004c148191SYang Jihong 9014c148191SYang Jihong /* skip softirq field: "REC->vec" */ 9024c148191SYang Jihong for (sym = args->next->symbol.symbols; sym != NULL; sym = sym->next) { 9034c148191SYang Jihong if ((eval_flag(sym->value) == (unsigned long long)num) && 9044c148191SYang Jihong (strlen(sym->str) != 0)) { 9054c148191SYang Jihong found = true; 9064c148191SYang Jihong break; 9074c148191SYang Jihong } 9084c148191SYang Jihong } 9094c148191SYang Jihong 9104c148191SYang Jihong if (!found) 9114c148191SYang Jihong return NULL; 9124c148191SYang Jihong 9134c148191SYang Jihong name = strdup(sym->str); 9144c148191SYang Jihong if (name == NULL) { 9154c148191SYang Jihong pr_err("Failed to copy symbol name\n"); 9164c148191SYang Jihong return NULL; 9174c148191SYang Jihong } 9184c148191SYang Jihong return name; 9194c148191SYang Jihong } 9204c148191SYang Jihong 9214c148191SYang Jihong static void softirq_work_init(struct kwork_class *class, 9224c148191SYang Jihong struct kwork_work *work, 9234c148191SYang Jihong struct evsel *evsel, 9244c148191SYang Jihong struct perf_sample *sample, 9254c148191SYang Jihong struct machine *machine __maybe_unused) 9264c148191SYang Jihong { 9274c148191SYang Jihong u64 num = evsel__intval(evsel, sample, "vec"); 9284c148191SYang Jihong 9294c148191SYang Jihong work->id = num; 9304c148191SYang Jihong work->class = class; 9314c148191SYang Jihong work->cpu = sample->cpu; 9324c148191SYang Jihong work->name = evsel__softirq_name(evsel, num); 9334c148191SYang Jihong } 9344c148191SYang Jihong 9354c148191SYang Jihong static void softirq_work_name(struct kwork_work *work, char *buf, int len) 9364c148191SYang Jihong { 9374c148191SYang Jihong snprintf(buf, len, "(s)%s:%" PRIu64 "", work->name, work->id); 9384c148191SYang Jihong } 9394c148191SYang Jihong 940e6439321SYang Jihong static struct kwork_class kwork_softirq = { 941e6439321SYang Jihong .name = "softirq", 942e6439321SYang Jihong .type = KWORK_CLASS_SOFTIRQ, 943e6439321SYang Jihong .nr_tracepoints = 3, 944e6439321SYang Jihong .tp_handlers = softirq_tp_handlers, 9454c148191SYang Jihong .class_init = softirq_class_init, 9464c148191SYang Jihong .work_init = softirq_work_init, 9474c148191SYang Jihong .work_name = softirq_work_name, 948e6439321SYang Jihong }; 949e6439321SYang Jihong 9508dbc3c86SYang Jihong static struct kwork_class kwork_workqueue; 95153e49e32SYang Jihong static int process_workqueue_activate_work_event(struct perf_tool *tool, 95253e49e32SYang Jihong struct evsel *evsel, 95353e49e32SYang Jihong struct perf_sample *sample, 95453e49e32SYang Jihong struct machine *machine) 95553e49e32SYang Jihong { 95653e49e32SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 95753e49e32SYang Jihong 95853e49e32SYang Jihong if (kwork->tp_handler->raise_event) 95953e49e32SYang Jihong return kwork->tp_handler->raise_event(kwork, &kwork_workqueue, 96053e49e32SYang Jihong evsel, sample, machine); 96153e49e32SYang Jihong 96253e49e32SYang Jihong return 0; 96353e49e32SYang Jihong } 96453e49e32SYang Jihong 9658dbc3c86SYang Jihong static int process_workqueue_execute_start_event(struct perf_tool *tool, 9668dbc3c86SYang Jihong struct evsel *evsel, 9678dbc3c86SYang Jihong struct perf_sample *sample, 9688dbc3c86SYang Jihong struct machine *machine) 9698dbc3c86SYang Jihong { 9708dbc3c86SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 9718dbc3c86SYang Jihong 9728dbc3c86SYang Jihong if (kwork->tp_handler->entry_event) 9738dbc3c86SYang Jihong return kwork->tp_handler->entry_event(kwork, &kwork_workqueue, 9748dbc3c86SYang Jihong evsel, sample, machine); 9758dbc3c86SYang Jihong 9768dbc3c86SYang Jihong return 0; 9778dbc3c86SYang Jihong } 9788dbc3c86SYang Jihong 9798dbc3c86SYang Jihong static int process_workqueue_execute_end_event(struct perf_tool *tool, 9808dbc3c86SYang Jihong struct evsel *evsel, 9818dbc3c86SYang Jihong struct perf_sample *sample, 9828dbc3c86SYang Jihong struct machine *machine) 9838dbc3c86SYang Jihong { 9848dbc3c86SYang Jihong struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool); 9858dbc3c86SYang Jihong 9868dbc3c86SYang Jihong if (kwork->tp_handler->exit_event) 9878dbc3c86SYang Jihong return kwork->tp_handler->exit_event(kwork, &kwork_workqueue, 9888dbc3c86SYang Jihong evsel, sample, machine); 9898dbc3c86SYang Jihong 9908dbc3c86SYang Jihong return 0; 9918dbc3c86SYang Jihong } 9928dbc3c86SYang Jihong 99397179d9dSYang Jihong const struct evsel_str_handler workqueue_tp_handlers[] = { 99453e49e32SYang Jihong { "workqueue:workqueue_activate_work", process_workqueue_activate_work_event, }, 9958dbc3c86SYang Jihong { "workqueue:workqueue_execute_start", process_workqueue_execute_start_event, }, 9968dbc3c86SYang Jihong { "workqueue:workqueue_execute_end", process_workqueue_execute_end_event, }, 99797179d9dSYang Jihong }; 99897179d9dSYang Jihong 9998dbc3c86SYang Jihong static int workqueue_class_init(struct kwork_class *class, 10008dbc3c86SYang Jihong struct perf_session *session) 10018dbc3c86SYang Jihong { 10028dbc3c86SYang Jihong if (perf_session__set_tracepoints_handlers(session, 10038dbc3c86SYang Jihong workqueue_tp_handlers)) { 10048dbc3c86SYang Jihong pr_err("Failed to set workqueue tracepoints handlers\n"); 10058dbc3c86SYang Jihong return -1; 10068dbc3c86SYang Jihong } 10078dbc3c86SYang Jihong 10088dbc3c86SYang Jihong class->work_root = RB_ROOT_CACHED; 10098dbc3c86SYang Jihong return 0; 10108dbc3c86SYang Jihong } 10118dbc3c86SYang Jihong 10128dbc3c86SYang Jihong static void workqueue_work_init(struct kwork_class *class, 10138dbc3c86SYang Jihong struct kwork_work *work, 10148dbc3c86SYang Jihong struct evsel *evsel, 10158dbc3c86SYang Jihong struct perf_sample *sample, 10168dbc3c86SYang Jihong struct machine *machine) 10178dbc3c86SYang Jihong { 10188dbc3c86SYang Jihong char *modp = NULL; 10198dbc3c86SYang Jihong unsigned long long function_addr = evsel__intval(evsel, 10208dbc3c86SYang Jihong sample, "function"); 10218dbc3c86SYang Jihong 10228dbc3c86SYang Jihong work->class = class; 10238dbc3c86SYang Jihong work->cpu = sample->cpu; 10248dbc3c86SYang Jihong work->id = evsel__intval(evsel, sample, "work"); 10258dbc3c86SYang Jihong work->name = function_addr == 0 ? NULL : 10268dbc3c86SYang Jihong machine__resolve_kernel_addr(machine, &function_addr, &modp); 10278dbc3c86SYang Jihong } 10288dbc3c86SYang Jihong 10298dbc3c86SYang Jihong static void workqueue_work_name(struct kwork_work *work, char *buf, int len) 10308dbc3c86SYang Jihong { 10318dbc3c86SYang Jihong if (work->name != NULL) 10328dbc3c86SYang Jihong snprintf(buf, len, "(w)%s", work->name); 10338dbc3c86SYang Jihong else 10348dbc3c86SYang Jihong snprintf(buf, len, "(w)0x%" PRIx64, work->id); 10358dbc3c86SYang Jihong } 10368dbc3c86SYang Jihong 103797179d9dSYang Jihong static struct kwork_class kwork_workqueue = { 103897179d9dSYang Jihong .name = "workqueue", 103997179d9dSYang Jihong .type = KWORK_CLASS_WORKQUEUE, 104097179d9dSYang Jihong .nr_tracepoints = 3, 104197179d9dSYang Jihong .tp_handlers = workqueue_tp_handlers, 10428dbc3c86SYang Jihong .class_init = workqueue_class_init, 10438dbc3c86SYang Jihong .work_init = workqueue_work_init, 10448dbc3c86SYang Jihong .work_name = workqueue_work_name, 104597179d9dSYang Jihong }; 104697179d9dSYang Jihong 10470f70d8e9SYang Jihong static struct kwork_class *kwork_class_supported_list[KWORK_CLASS_MAX] = { 10484f8ae962SYang Jihong [KWORK_CLASS_IRQ] = &kwork_irq, 1049e6439321SYang Jihong [KWORK_CLASS_SOFTIRQ] = &kwork_softirq, 105097179d9dSYang Jihong [KWORK_CLASS_WORKQUEUE] = &kwork_workqueue, 10510f70d8e9SYang Jihong }; 10520f70d8e9SYang Jihong 1053f98919ecSYang Jihong static void print_separator(int len) 1054f98919ecSYang Jihong { 1055f98919ecSYang Jihong printf(" %.*s\n", len, graph_dotted_line); 1056f98919ecSYang Jihong } 1057f98919ecSYang Jihong 1058f98919ecSYang Jihong static int report_print_work(struct perf_kwork *kwork, struct kwork_work *work) 1059f98919ecSYang Jihong { 1060f98919ecSYang Jihong int ret = 0; 1061f98919ecSYang Jihong char kwork_name[PRINT_KWORK_NAME_WIDTH]; 1062f98919ecSYang Jihong char max_runtime_start[32], max_runtime_end[32]; 1063ad3d9f7aSYang Jihong char max_latency_start[32], max_latency_end[32]; 1064f98919ecSYang Jihong 1065f98919ecSYang Jihong printf(" "); 1066f98919ecSYang Jihong 1067f98919ecSYang Jihong /* 1068f98919ecSYang Jihong * kwork name 1069f98919ecSYang Jihong */ 1070f98919ecSYang Jihong if (work->class && work->class->work_name) { 1071f98919ecSYang Jihong work->class->work_name(work, kwork_name, 1072f98919ecSYang Jihong PRINT_KWORK_NAME_WIDTH); 1073f98919ecSYang Jihong ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, kwork_name); 1074f98919ecSYang Jihong } else { 1075f98919ecSYang Jihong ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, ""); 1076f98919ecSYang Jihong } 1077f98919ecSYang Jihong 1078f98919ecSYang Jihong /* 1079f98919ecSYang Jihong * cpu 1080f98919ecSYang Jihong */ 1081f98919ecSYang Jihong ret += printf(" %0*d |", PRINT_CPU_WIDTH, work->cpu); 1082f98919ecSYang Jihong 1083f98919ecSYang Jihong /* 1084f98919ecSYang Jihong * total runtime 1085f98919ecSYang Jihong */ 1086f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1087f98919ecSYang Jihong ret += printf(" %*.*f ms |", 1088f98919ecSYang Jihong PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 1089f98919ecSYang Jihong (double)work->total_runtime / NSEC_PER_MSEC); 1090ad3d9f7aSYang Jihong } else if (kwork->report == KWORK_REPORT_LATENCY) { // avg delay 1091ad3d9f7aSYang Jihong ret += printf(" %*.*f ms |", 1092ad3d9f7aSYang Jihong PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 1093ad3d9f7aSYang Jihong (double)work->total_latency / 1094ad3d9f7aSYang Jihong work->nr_atoms / NSEC_PER_MSEC); 1095f98919ecSYang Jihong } 1096f98919ecSYang Jihong 1097f98919ecSYang Jihong /* 1098f98919ecSYang Jihong * count 1099f98919ecSYang Jihong */ 1100f98919ecSYang Jihong ret += printf(" %*" PRIu64 " |", PRINT_COUNT_WIDTH, work->nr_atoms); 1101f98919ecSYang Jihong 1102f98919ecSYang Jihong /* 1103f98919ecSYang Jihong * max runtime, max runtime start, max runtime end 1104f98919ecSYang Jihong */ 1105f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1106f98919ecSYang Jihong timestamp__scnprintf_usec(work->max_runtime_start, 1107f98919ecSYang Jihong max_runtime_start, 1108f98919ecSYang Jihong sizeof(max_runtime_start)); 1109f98919ecSYang Jihong timestamp__scnprintf_usec(work->max_runtime_end, 1110f98919ecSYang Jihong max_runtime_end, 1111f98919ecSYang Jihong sizeof(max_runtime_end)); 1112f98919ecSYang Jihong ret += printf(" %*.*f ms | %*s s | %*s s |", 1113f98919ecSYang Jihong PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH, 1114f98919ecSYang Jihong (double)work->max_runtime / NSEC_PER_MSEC, 1115f98919ecSYang Jihong PRINT_TIMESTAMP_WIDTH, max_runtime_start, 1116f98919ecSYang Jihong PRINT_TIMESTAMP_WIDTH, max_runtime_end); 1117f98919ecSYang Jihong } 1118ad3d9f7aSYang Jihong /* 1119ad3d9f7aSYang Jihong * max delay, max delay start, max delay end 1120ad3d9f7aSYang Jihong */ 1121ad3d9f7aSYang Jihong else if (kwork->report == KWORK_REPORT_LATENCY) { 1122ad3d9f7aSYang Jihong timestamp__scnprintf_usec(work->max_latency_start, 1123ad3d9f7aSYang Jihong max_latency_start, 1124ad3d9f7aSYang Jihong sizeof(max_latency_start)); 1125ad3d9f7aSYang Jihong timestamp__scnprintf_usec(work->max_latency_end, 1126ad3d9f7aSYang Jihong max_latency_end, 1127ad3d9f7aSYang Jihong sizeof(max_latency_end)); 1128ad3d9f7aSYang Jihong ret += printf(" %*.*f ms | %*s s | %*s s |", 1129ad3d9f7aSYang Jihong PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH, 1130ad3d9f7aSYang Jihong (double)work->max_latency / NSEC_PER_MSEC, 1131ad3d9f7aSYang Jihong PRINT_TIMESTAMP_WIDTH, max_latency_start, 1132ad3d9f7aSYang Jihong PRINT_TIMESTAMP_WIDTH, max_latency_end); 1133ad3d9f7aSYang Jihong } 1134f98919ecSYang Jihong 1135f98919ecSYang Jihong printf("\n"); 1136f98919ecSYang Jihong return ret; 1137f98919ecSYang Jihong } 1138f98919ecSYang Jihong 1139f98919ecSYang Jihong static int report_print_header(struct perf_kwork *kwork) 1140f98919ecSYang Jihong { 1141f98919ecSYang Jihong int ret; 1142f98919ecSYang Jihong 1143f98919ecSYang Jihong printf("\n "); 1144f98919ecSYang Jihong ret = printf(" %-*s | %-*s |", 1145f98919ecSYang Jihong PRINT_KWORK_NAME_WIDTH, "Kwork Name", 1146f98919ecSYang Jihong PRINT_CPU_WIDTH, "Cpu"); 1147f98919ecSYang Jihong 1148f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1149f98919ecSYang Jihong ret += printf(" %-*s |", 1150f98919ecSYang Jihong PRINT_RUNTIME_HEADER_WIDTH, "Total Runtime"); 1151ad3d9f7aSYang Jihong } else if (kwork->report == KWORK_REPORT_LATENCY) { 1152ad3d9f7aSYang Jihong ret += printf(" %-*s |", 1153ad3d9f7aSYang Jihong PRINT_LATENCY_HEADER_WIDTH, "Avg delay"); 1154f98919ecSYang Jihong } 1155f98919ecSYang Jihong 1156f98919ecSYang Jihong ret += printf(" %-*s |", PRINT_COUNT_WIDTH, "Count"); 1157f98919ecSYang Jihong 1158f98919ecSYang Jihong if (kwork->report == KWORK_REPORT_RUNTIME) { 1159f98919ecSYang Jihong ret += printf(" %-*s | %-*s | %-*s |", 1160f98919ecSYang Jihong PRINT_RUNTIME_HEADER_WIDTH, "Max runtime", 1161f98919ecSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime start", 1162f98919ecSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime end"); 1163ad3d9f7aSYang Jihong } else if (kwork->report == KWORK_REPORT_LATENCY) { 1164ad3d9f7aSYang Jihong ret += printf(" %-*s | %-*s | %-*s |", 1165ad3d9f7aSYang Jihong PRINT_LATENCY_HEADER_WIDTH, "Max delay", 1166ad3d9f7aSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay start", 1167ad3d9f7aSYang Jihong PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay end"); 1168f98919ecSYang Jihong } 1169f98919ecSYang Jihong 1170f98919ecSYang Jihong printf("\n"); 1171f98919ecSYang Jihong print_separator(ret); 1172f98919ecSYang Jihong return ret; 1173f98919ecSYang Jihong } 1174f98919ecSYang Jihong 1175*bcc8b3e8SYang Jihong static void timehist_print_header(void) 1176*bcc8b3e8SYang Jihong { 1177*bcc8b3e8SYang Jihong /* 1178*bcc8b3e8SYang Jihong * header row 1179*bcc8b3e8SYang Jihong */ 1180*bcc8b3e8SYang Jihong printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", 1181*bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "Runtime start", 1182*bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "Runtime end", 1183*bcc8b3e8SYang Jihong PRINT_TIMEHIST_CPU_WIDTH, "Cpu", 1184*bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH, "Kwork name", 1185*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "Runtime", 1186*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "Delaytime"); 1187*bcc8b3e8SYang Jihong 1188*bcc8b3e8SYang Jihong /* 1189*bcc8b3e8SYang Jihong * units row 1190*bcc8b3e8SYang Jihong */ 1191*bcc8b3e8SYang Jihong printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n", 1192*bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "", 1193*bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, "", 1194*bcc8b3e8SYang Jihong PRINT_TIMEHIST_CPU_WIDTH, "", 1195*bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH, "(TYPE)NAME:NUM", 1196*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "(msec)", 1197*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, "(msec)"); 1198*bcc8b3e8SYang Jihong 1199*bcc8b3e8SYang Jihong /* 1200*bcc8b3e8SYang Jihong * separator 1201*bcc8b3e8SYang Jihong */ 1202*bcc8b3e8SYang Jihong printf(" %.*s %.*s %.*s %.*s %.*s %.*s\n", 1203*bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, graph_dotted_line, 1204*bcc8b3e8SYang Jihong PRINT_TIMESTAMP_WIDTH, graph_dotted_line, 1205*bcc8b3e8SYang Jihong PRINT_TIMEHIST_CPU_WIDTH, graph_dotted_line, 1206*bcc8b3e8SYang Jihong PRINT_KWORK_NAME_WIDTH, graph_dotted_line, 1207*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, graph_dotted_line, 1208*bcc8b3e8SYang Jihong PRINT_RUNTIME_WIDTH, graph_dotted_line); 1209*bcc8b3e8SYang Jihong } 1210*bcc8b3e8SYang Jihong 1211f98919ecSYang Jihong static void print_summary(struct perf_kwork *kwork) 1212f98919ecSYang Jihong { 1213f98919ecSYang Jihong u64 time = kwork->timeend - kwork->timestart; 1214f98919ecSYang Jihong 1215f98919ecSYang Jihong printf(" Total count : %9" PRIu64 "\n", kwork->all_count); 1216f98919ecSYang Jihong printf(" Total runtime (msec) : %9.3f (%.3f%% load average)\n", 1217f98919ecSYang Jihong (double)kwork->all_runtime / NSEC_PER_MSEC, 1218f98919ecSYang Jihong time == 0 ? 0 : (double)kwork->all_runtime / time); 1219f98919ecSYang Jihong printf(" Total time span (msec) : %9.3f\n", 1220f98919ecSYang Jihong (double)time / NSEC_PER_MSEC); 1221f98919ecSYang Jihong } 1222f98919ecSYang Jihong 1223f98919ecSYang Jihong static unsigned long long nr_list_entry(struct list_head *head) 1224f98919ecSYang Jihong { 1225f98919ecSYang Jihong struct list_head *pos; 1226f98919ecSYang Jihong unsigned long long n = 0; 1227f98919ecSYang Jihong 1228f98919ecSYang Jihong list_for_each(pos, head) 1229f98919ecSYang Jihong n++; 1230f98919ecSYang Jihong 1231f98919ecSYang Jihong return n; 1232f98919ecSYang Jihong } 1233f98919ecSYang Jihong 1234f98919ecSYang Jihong static void print_skipped_events(struct perf_kwork *kwork) 1235f98919ecSYang Jihong { 1236f98919ecSYang Jihong int i; 1237f98919ecSYang Jihong const char *const kwork_event_str[] = { 1238ad3d9f7aSYang Jihong [KWORK_TRACE_RAISE] = "raise", 1239f98919ecSYang Jihong [KWORK_TRACE_ENTRY] = "entry", 1240f98919ecSYang Jihong [KWORK_TRACE_EXIT] = "exit", 1241f98919ecSYang Jihong }; 1242f98919ecSYang Jihong 1243f98919ecSYang Jihong if ((kwork->nr_skipped_events[KWORK_TRACE_MAX] != 0) && 1244f98919ecSYang Jihong (kwork->nr_events != 0)) { 1245f98919ecSYang Jihong printf(" INFO: %.3f%% skipped events (%" PRIu64 " including ", 1246f98919ecSYang Jihong (double)kwork->nr_skipped_events[KWORK_TRACE_MAX] / 1247f98919ecSYang Jihong (double)kwork->nr_events * 100.0, 1248f98919ecSYang Jihong kwork->nr_skipped_events[KWORK_TRACE_MAX]); 1249f98919ecSYang Jihong 1250f98919ecSYang Jihong for (i = 0; i < KWORK_TRACE_MAX; i++) { 1251f98919ecSYang Jihong printf("%" PRIu64 " %s%s", 1252f98919ecSYang Jihong kwork->nr_skipped_events[i], 1253f98919ecSYang Jihong kwork_event_str[i], 1254f98919ecSYang Jihong (i == KWORK_TRACE_MAX - 1) ? ")\n" : ", "); 1255f98919ecSYang Jihong } 1256f98919ecSYang Jihong } 1257f98919ecSYang Jihong 1258f98919ecSYang Jihong if (verbose > 0) 1259f98919ecSYang Jihong printf(" INFO: use %lld atom pages\n", 1260f98919ecSYang Jihong nr_list_entry(&kwork->atom_page_list)); 1261f98919ecSYang Jihong } 1262f98919ecSYang Jihong 1263f98919ecSYang Jihong static void print_bad_events(struct perf_kwork *kwork) 1264f98919ecSYang Jihong { 1265f98919ecSYang Jihong if ((kwork->nr_lost_events != 0) && (kwork->nr_events != 0)) { 1266f98919ecSYang Jihong printf(" INFO: %.3f%% lost events (%ld out of %ld, in %ld chunks)\n", 1267f98919ecSYang Jihong (double)kwork->nr_lost_events / 1268f98919ecSYang Jihong (double)kwork->nr_events * 100.0, 1269f98919ecSYang Jihong kwork->nr_lost_events, kwork->nr_events, 1270f98919ecSYang Jihong kwork->nr_lost_chunks); 1271f98919ecSYang Jihong } 1272f98919ecSYang Jihong } 1273f98919ecSYang Jihong 1274f98919ecSYang Jihong static void work_sort(struct perf_kwork *kwork, struct kwork_class *class) 1275f98919ecSYang Jihong { 1276f98919ecSYang Jihong struct rb_node *node; 1277f98919ecSYang Jihong struct kwork_work *data; 1278f98919ecSYang Jihong struct rb_root_cached *root = &class->work_root; 1279f98919ecSYang Jihong 1280f98919ecSYang Jihong pr_debug("Sorting %s ...\n", class->name); 1281f98919ecSYang Jihong for (;;) { 1282f98919ecSYang Jihong node = rb_first_cached(root); 1283f98919ecSYang Jihong if (!node) 1284f98919ecSYang Jihong break; 1285f98919ecSYang Jihong 1286f98919ecSYang Jihong rb_erase_cached(node, root); 1287f98919ecSYang Jihong data = rb_entry(node, struct kwork_work, node); 1288f98919ecSYang Jihong work_insert(&kwork->sorted_work_root, 1289f98919ecSYang Jihong data, &kwork->sort_list); 1290f98919ecSYang Jihong } 1291f98919ecSYang Jihong } 1292f98919ecSYang Jihong 1293f98919ecSYang Jihong static void perf_kwork__sort(struct perf_kwork *kwork) 1294f98919ecSYang Jihong { 1295f98919ecSYang Jihong struct kwork_class *class; 1296f98919ecSYang Jihong 1297f98919ecSYang Jihong list_for_each_entry(class, &kwork->class_list, list) 1298f98919ecSYang Jihong work_sort(kwork, class); 1299f98919ecSYang Jihong } 1300f98919ecSYang Jihong 1301f98919ecSYang Jihong static int perf_kwork__check_config(struct perf_kwork *kwork, 1302f98919ecSYang Jihong struct perf_session *session) 1303f98919ecSYang Jihong { 1304f98919ecSYang Jihong int ret; 1305*bcc8b3e8SYang Jihong struct evsel *evsel; 1306f98919ecSYang Jihong struct kwork_class *class; 1307f98919ecSYang Jihong 1308f98919ecSYang Jihong static struct trace_kwork_handler report_ops = { 1309f98919ecSYang Jihong .entry_event = report_entry_event, 1310f98919ecSYang Jihong .exit_event = report_exit_event, 1311f98919ecSYang Jihong }; 1312ad3d9f7aSYang Jihong static struct trace_kwork_handler latency_ops = { 1313ad3d9f7aSYang Jihong .raise_event = latency_raise_event, 1314ad3d9f7aSYang Jihong .entry_event = latency_entry_event, 1315ad3d9f7aSYang Jihong }; 1316*bcc8b3e8SYang Jihong static struct trace_kwork_handler timehist_ops = { 1317*bcc8b3e8SYang Jihong .raise_event = timehist_raise_event, 1318*bcc8b3e8SYang Jihong .entry_event = timehist_entry_event, 1319*bcc8b3e8SYang Jihong .exit_event = timehist_exit_event, 1320*bcc8b3e8SYang Jihong }; 1321f98919ecSYang Jihong 1322f98919ecSYang Jihong switch (kwork->report) { 1323f98919ecSYang Jihong case KWORK_REPORT_RUNTIME: 1324f98919ecSYang Jihong kwork->tp_handler = &report_ops; 1325f98919ecSYang Jihong break; 1326ad3d9f7aSYang Jihong case KWORK_REPORT_LATENCY: 1327ad3d9f7aSYang Jihong kwork->tp_handler = &latency_ops; 1328ad3d9f7aSYang Jihong break; 1329*bcc8b3e8SYang Jihong case KWORK_REPORT_TIMEHIST: 1330*bcc8b3e8SYang Jihong kwork->tp_handler = &timehist_ops; 1331*bcc8b3e8SYang Jihong break; 1332f98919ecSYang Jihong default: 1333f98919ecSYang Jihong pr_debug("Invalid report type %d\n", kwork->report); 1334f98919ecSYang Jihong return -1; 1335f98919ecSYang Jihong } 1336f98919ecSYang Jihong 1337f98919ecSYang Jihong list_for_each_entry(class, &kwork->class_list, list) 1338f98919ecSYang Jihong if ((class->class_init != NULL) && 1339f98919ecSYang Jihong (class->class_init(class, session) != 0)) 1340f98919ecSYang Jihong return -1; 1341f98919ecSYang Jihong 1342f98919ecSYang Jihong if (kwork->cpu_list != NULL) { 1343f98919ecSYang Jihong ret = perf_session__cpu_bitmap(session, 1344f98919ecSYang Jihong kwork->cpu_list, 1345f98919ecSYang Jihong kwork->cpu_bitmap); 1346f98919ecSYang Jihong if (ret < 0) { 1347f98919ecSYang Jihong pr_err("Invalid cpu bitmap\n"); 1348f98919ecSYang Jihong return -1; 1349f98919ecSYang Jihong } 1350f98919ecSYang Jihong } 1351f98919ecSYang Jihong 1352f98919ecSYang Jihong if (kwork->time_str != NULL) { 1353f98919ecSYang Jihong ret = perf_time__parse_str(&kwork->ptime, kwork->time_str); 1354f98919ecSYang Jihong if (ret != 0) { 1355f98919ecSYang Jihong pr_err("Invalid time span\n"); 1356f98919ecSYang Jihong return -1; 1357f98919ecSYang Jihong } 1358f98919ecSYang Jihong } 1359f98919ecSYang Jihong 1360*bcc8b3e8SYang Jihong list_for_each_entry(evsel, &session->evlist->core.entries, core.node) { 1361*bcc8b3e8SYang Jihong if (kwork->show_callchain && !evsel__has_callchain(evsel)) { 1362*bcc8b3e8SYang Jihong pr_debug("Samples do not have callchains\n"); 1363*bcc8b3e8SYang Jihong kwork->show_callchain = 0; 1364*bcc8b3e8SYang Jihong symbol_conf.use_callchain = 0; 1365*bcc8b3e8SYang Jihong } 1366*bcc8b3e8SYang Jihong } 1367*bcc8b3e8SYang Jihong 1368f98919ecSYang Jihong return 0; 1369f98919ecSYang Jihong } 1370f98919ecSYang Jihong 1371f98919ecSYang Jihong static int perf_kwork__read_events(struct perf_kwork *kwork) 1372f98919ecSYang Jihong { 1373f98919ecSYang Jihong int ret = -1; 1374f98919ecSYang Jihong struct perf_session *session = NULL; 1375f98919ecSYang Jihong 1376f98919ecSYang Jihong struct perf_data data = { 1377f98919ecSYang Jihong .path = input_name, 1378f98919ecSYang Jihong .mode = PERF_DATA_MODE_READ, 1379f98919ecSYang Jihong .force = kwork->force, 1380f98919ecSYang Jihong }; 1381f98919ecSYang Jihong 1382f98919ecSYang Jihong session = perf_session__new(&data, &kwork->tool); 1383f98919ecSYang Jihong if (IS_ERR(session)) { 1384f98919ecSYang Jihong pr_debug("Error creating perf session\n"); 1385f98919ecSYang Jihong return PTR_ERR(session); 1386f98919ecSYang Jihong } 1387f98919ecSYang Jihong 1388f98919ecSYang Jihong symbol__init(&session->header.env); 1389f98919ecSYang Jihong 1390f98919ecSYang Jihong if (perf_kwork__check_config(kwork, session) != 0) 1391f98919ecSYang Jihong goto out_delete; 1392f98919ecSYang Jihong 1393f98919ecSYang Jihong if (session->tevent.pevent && 1394f98919ecSYang Jihong tep_set_function_resolver(session->tevent.pevent, 1395f98919ecSYang Jihong machine__resolve_kernel_addr, 1396f98919ecSYang Jihong &session->machines.host) < 0) { 1397f98919ecSYang Jihong pr_err("Failed to set libtraceevent function resolver\n"); 1398f98919ecSYang Jihong goto out_delete; 1399f98919ecSYang Jihong } 1400f98919ecSYang Jihong 1401*bcc8b3e8SYang Jihong if (kwork->report == KWORK_REPORT_TIMEHIST) 1402*bcc8b3e8SYang Jihong timehist_print_header(); 1403*bcc8b3e8SYang Jihong 1404f98919ecSYang Jihong ret = perf_session__process_events(session); 1405f98919ecSYang Jihong if (ret) { 1406f98919ecSYang Jihong pr_debug("Failed to process events, error %d\n", ret); 1407f98919ecSYang Jihong goto out_delete; 1408f98919ecSYang Jihong } 1409f98919ecSYang Jihong 1410f98919ecSYang Jihong kwork->nr_events = session->evlist->stats.nr_events[0]; 1411f98919ecSYang Jihong kwork->nr_lost_events = session->evlist->stats.total_lost; 1412f98919ecSYang Jihong kwork->nr_lost_chunks = session->evlist->stats.nr_events[PERF_RECORD_LOST]; 1413f98919ecSYang Jihong 1414f98919ecSYang Jihong out_delete: 1415f98919ecSYang Jihong perf_session__delete(session); 1416f98919ecSYang Jihong return ret; 1417f98919ecSYang Jihong } 1418f98919ecSYang Jihong 1419f98919ecSYang Jihong static void process_skipped_events(struct perf_kwork *kwork, 1420f98919ecSYang Jihong struct kwork_work *work) 1421f98919ecSYang Jihong { 1422f98919ecSYang Jihong int i; 1423f98919ecSYang Jihong unsigned long long count; 1424f98919ecSYang Jihong 1425f98919ecSYang Jihong for (i = 0; i < KWORK_TRACE_MAX; i++) { 1426f98919ecSYang Jihong count = nr_list_entry(&work->atom_list[i]); 1427f98919ecSYang Jihong kwork->nr_skipped_events[i] += count; 1428f98919ecSYang Jihong kwork->nr_skipped_events[KWORK_TRACE_MAX] += count; 1429f98919ecSYang Jihong } 1430f98919ecSYang Jihong } 1431f98919ecSYang Jihong 1432f98919ecSYang Jihong static int perf_kwork__report(struct perf_kwork *kwork) 1433f98919ecSYang Jihong { 1434f98919ecSYang Jihong int ret; 1435f98919ecSYang Jihong struct rb_node *next; 1436f98919ecSYang Jihong struct kwork_work *work; 1437f98919ecSYang Jihong 1438f98919ecSYang Jihong ret = perf_kwork__read_events(kwork); 1439f98919ecSYang Jihong if (ret != 0) 1440f98919ecSYang Jihong return -1; 1441f98919ecSYang Jihong 1442f98919ecSYang Jihong perf_kwork__sort(kwork); 1443f98919ecSYang Jihong 1444f98919ecSYang Jihong setup_pager(); 1445f98919ecSYang Jihong 1446f98919ecSYang Jihong ret = report_print_header(kwork); 1447f98919ecSYang Jihong next = rb_first_cached(&kwork->sorted_work_root); 1448f98919ecSYang Jihong while (next) { 1449f98919ecSYang Jihong work = rb_entry(next, struct kwork_work, node); 1450f98919ecSYang Jihong process_skipped_events(kwork, work); 1451f98919ecSYang Jihong 1452f98919ecSYang Jihong if (work->nr_atoms != 0) { 1453f98919ecSYang Jihong report_print_work(kwork, work); 1454f98919ecSYang Jihong if (kwork->summary) { 1455f98919ecSYang Jihong kwork->all_runtime += work->total_runtime; 1456f98919ecSYang Jihong kwork->all_count += work->nr_atoms; 1457f98919ecSYang Jihong } 1458f98919ecSYang Jihong } 1459f98919ecSYang Jihong next = rb_next(next); 1460f98919ecSYang Jihong } 1461f98919ecSYang Jihong print_separator(ret); 1462f98919ecSYang Jihong 1463f98919ecSYang Jihong if (kwork->summary) { 1464f98919ecSYang Jihong print_summary(kwork); 1465f98919ecSYang Jihong print_separator(ret); 1466f98919ecSYang Jihong } 1467f98919ecSYang Jihong 1468f98919ecSYang Jihong print_bad_events(kwork); 1469f98919ecSYang Jihong print_skipped_events(kwork); 1470f98919ecSYang Jihong printf("\n"); 1471f98919ecSYang Jihong 1472f98919ecSYang Jihong return 0; 1473f98919ecSYang Jihong } 1474f98919ecSYang Jihong 1475f98919ecSYang Jihong typedef int (*tracepoint_handler)(struct perf_tool *tool, 1476f98919ecSYang Jihong struct evsel *evsel, 1477f98919ecSYang Jihong struct perf_sample *sample, 1478f98919ecSYang Jihong struct machine *machine); 1479f98919ecSYang Jihong 1480f98919ecSYang Jihong static int perf_kwork__process_tracepoint_sample(struct perf_tool *tool, 1481f98919ecSYang Jihong union perf_event *event __maybe_unused, 1482f98919ecSYang Jihong struct perf_sample *sample, 1483f98919ecSYang Jihong struct evsel *evsel, 1484f98919ecSYang Jihong struct machine *machine) 1485f98919ecSYang Jihong { 1486f98919ecSYang Jihong int err = 0; 1487f98919ecSYang Jihong 1488f98919ecSYang Jihong if (evsel->handler != NULL) { 1489f98919ecSYang Jihong tracepoint_handler f = evsel->handler; 1490f98919ecSYang Jihong 1491f98919ecSYang Jihong err = f(tool, evsel, sample, machine); 1492f98919ecSYang Jihong } 1493f98919ecSYang Jihong 1494f98919ecSYang Jihong return err; 1495f98919ecSYang Jihong } 1496f98919ecSYang Jihong 1497*bcc8b3e8SYang Jihong static int perf_kwork__timehist(struct perf_kwork *kwork) 1498*bcc8b3e8SYang Jihong { 1499*bcc8b3e8SYang Jihong /* 1500*bcc8b3e8SYang Jihong * event handlers for timehist option 1501*bcc8b3e8SYang Jihong */ 1502*bcc8b3e8SYang Jihong kwork->tool.comm = perf_event__process_comm; 1503*bcc8b3e8SYang Jihong kwork->tool.exit = perf_event__process_exit; 1504*bcc8b3e8SYang Jihong kwork->tool.fork = perf_event__process_fork; 1505*bcc8b3e8SYang Jihong kwork->tool.attr = perf_event__process_attr; 1506*bcc8b3e8SYang Jihong kwork->tool.tracing_data = perf_event__process_tracing_data; 1507*bcc8b3e8SYang Jihong kwork->tool.build_id = perf_event__process_build_id; 1508*bcc8b3e8SYang Jihong kwork->tool.ordered_events = true; 1509*bcc8b3e8SYang Jihong kwork->tool.ordering_requires_timestamps = true; 1510*bcc8b3e8SYang Jihong symbol_conf.use_callchain = kwork->show_callchain; 1511*bcc8b3e8SYang Jihong 1512*bcc8b3e8SYang Jihong if (symbol__validate_sym_arguments()) { 1513*bcc8b3e8SYang Jihong pr_err("Failed to validate sym arguments\n"); 1514*bcc8b3e8SYang Jihong return -1; 1515*bcc8b3e8SYang Jihong } 1516*bcc8b3e8SYang Jihong 1517*bcc8b3e8SYang Jihong setup_pager(); 1518*bcc8b3e8SYang Jihong 1519*bcc8b3e8SYang Jihong return perf_kwork__read_events(kwork); 1520*bcc8b3e8SYang Jihong } 1521*bcc8b3e8SYang Jihong 15220f70d8e9SYang Jihong static void setup_event_list(struct perf_kwork *kwork, 15230f70d8e9SYang Jihong const struct option *options, 15240f70d8e9SYang Jihong const char * const usage_msg[]) 15250f70d8e9SYang Jihong { 15260f70d8e9SYang Jihong int i; 15270f70d8e9SYang Jihong struct kwork_class *class; 15280f70d8e9SYang Jihong char *tmp, *tok, *str; 15290f70d8e9SYang Jihong 15300f70d8e9SYang Jihong if (kwork->event_list_str == NULL) 15310f70d8e9SYang Jihong goto null_event_list_str; 15320f70d8e9SYang Jihong 15330f70d8e9SYang Jihong str = strdup(kwork->event_list_str); 15340f70d8e9SYang Jihong for (tok = strtok_r(str, ", ", &tmp); 15350f70d8e9SYang Jihong tok; tok = strtok_r(NULL, ", ", &tmp)) { 15360f70d8e9SYang Jihong for (i = 0; i < KWORK_CLASS_MAX; i++) { 15370f70d8e9SYang Jihong class = kwork_class_supported_list[i]; 15380f70d8e9SYang Jihong if (strcmp(tok, class->name) == 0) { 15390f70d8e9SYang Jihong list_add_tail(&class->list, &kwork->class_list); 15400f70d8e9SYang Jihong break; 15410f70d8e9SYang Jihong } 15420f70d8e9SYang Jihong } 15430f70d8e9SYang Jihong if (i == KWORK_CLASS_MAX) { 15440f70d8e9SYang Jihong usage_with_options_msg(usage_msg, options, 15450f70d8e9SYang Jihong "Unknown --event key: `%s'", tok); 15460f70d8e9SYang Jihong } 15470f70d8e9SYang Jihong } 15480f70d8e9SYang Jihong free(str); 15490f70d8e9SYang Jihong 15500f70d8e9SYang Jihong null_event_list_str: 15510f70d8e9SYang Jihong /* 15520f70d8e9SYang Jihong * config all kwork events if not specified 15530f70d8e9SYang Jihong */ 15540f70d8e9SYang Jihong if (list_empty(&kwork->class_list)) { 15550f70d8e9SYang Jihong for (i = 0; i < KWORK_CLASS_MAX; i++) { 15560f70d8e9SYang Jihong list_add_tail(&kwork_class_supported_list[i]->list, 15570f70d8e9SYang Jihong &kwork->class_list); 15580f70d8e9SYang Jihong } 15590f70d8e9SYang Jihong } 15600f70d8e9SYang Jihong 15610f70d8e9SYang Jihong pr_debug("Config event list:"); 15620f70d8e9SYang Jihong list_for_each_entry(class, &kwork->class_list, list) 15630f70d8e9SYang Jihong pr_debug(" %s", class->name); 15640f70d8e9SYang Jihong pr_debug("\n"); 15650f70d8e9SYang Jihong } 15660f70d8e9SYang Jihong 15670f70d8e9SYang Jihong static int perf_kwork__record(struct perf_kwork *kwork, 15680f70d8e9SYang Jihong int argc, const char **argv) 15690f70d8e9SYang Jihong { 15700f70d8e9SYang Jihong const char **rec_argv; 15710f70d8e9SYang Jihong unsigned int rec_argc, i, j; 15720f70d8e9SYang Jihong struct kwork_class *class; 15730f70d8e9SYang Jihong 15740f70d8e9SYang Jihong const char *const record_args[] = { 15750f70d8e9SYang Jihong "record", 15760f70d8e9SYang Jihong "-a", 15770f70d8e9SYang Jihong "-R", 15780f70d8e9SYang Jihong "-m", "1024", 15790f70d8e9SYang Jihong "-c", "1", 15800f70d8e9SYang Jihong }; 15810f70d8e9SYang Jihong 15820f70d8e9SYang Jihong rec_argc = ARRAY_SIZE(record_args) + argc - 1; 15830f70d8e9SYang Jihong 15840f70d8e9SYang Jihong list_for_each_entry(class, &kwork->class_list, list) 15850f70d8e9SYang Jihong rec_argc += 2 * class->nr_tracepoints; 15860f70d8e9SYang Jihong 15870f70d8e9SYang Jihong rec_argv = calloc(rec_argc + 1, sizeof(char *)); 15880f70d8e9SYang Jihong if (rec_argv == NULL) 15890f70d8e9SYang Jihong return -ENOMEM; 15900f70d8e9SYang Jihong 15910f70d8e9SYang Jihong for (i = 0; i < ARRAY_SIZE(record_args); i++) 15920f70d8e9SYang Jihong rec_argv[i] = strdup(record_args[i]); 15930f70d8e9SYang Jihong 15940f70d8e9SYang Jihong list_for_each_entry(class, &kwork->class_list, list) { 15950f70d8e9SYang Jihong for (j = 0; j < class->nr_tracepoints; j++) { 15960f70d8e9SYang Jihong rec_argv[i++] = strdup("-e"); 15970f70d8e9SYang Jihong rec_argv[i++] = strdup(class->tp_handlers[j].name); 15980f70d8e9SYang Jihong } 15990f70d8e9SYang Jihong } 16000f70d8e9SYang Jihong 16010f70d8e9SYang Jihong for (j = 1; j < (unsigned int)argc; j++, i++) 16020f70d8e9SYang Jihong rec_argv[i] = argv[j]; 16030f70d8e9SYang Jihong 16040f70d8e9SYang Jihong BUG_ON(i != rec_argc); 16050f70d8e9SYang Jihong 16060f70d8e9SYang Jihong pr_debug("record comm: "); 16070f70d8e9SYang Jihong for (j = 0; j < rec_argc; j++) 16080f70d8e9SYang Jihong pr_debug("%s ", rec_argv[j]); 16090f70d8e9SYang Jihong pr_debug("\n"); 16100f70d8e9SYang Jihong 16110f70d8e9SYang Jihong return cmd_record(i, rec_argv); 16120f70d8e9SYang Jihong } 16130f70d8e9SYang Jihong 16140f70d8e9SYang Jihong int cmd_kwork(int argc, const char **argv) 16150f70d8e9SYang Jihong { 16160f70d8e9SYang Jihong static struct perf_kwork kwork = { 16170f70d8e9SYang Jihong .class_list = LIST_HEAD_INIT(kwork.class_list), 1618f98919ecSYang Jihong .tool = { 1619f98919ecSYang Jihong .mmap = perf_event__process_mmap, 1620f98919ecSYang Jihong .mmap2 = perf_event__process_mmap2, 1621f98919ecSYang Jihong .sample = perf_kwork__process_tracepoint_sample, 1622f98919ecSYang Jihong }, 1623f98919ecSYang Jihong .atom_page_list = LIST_HEAD_INIT(kwork.atom_page_list), 1624f98919ecSYang Jihong .sort_list = LIST_HEAD_INIT(kwork.sort_list), 1625f98919ecSYang Jihong .cmp_id = LIST_HEAD_INIT(kwork.cmp_id), 1626f98919ecSYang Jihong .sorted_work_root = RB_ROOT_CACHED, 1627f98919ecSYang Jihong .tp_handler = NULL, 1628f98919ecSYang Jihong .profile_name = NULL, 1629f98919ecSYang Jihong .cpu_list = NULL, 1630f98919ecSYang Jihong .time_str = NULL, 16310f70d8e9SYang Jihong .force = false, 16320f70d8e9SYang Jihong .event_list_str = NULL, 1633f98919ecSYang Jihong .summary = false, 1634f98919ecSYang Jihong .sort_order = NULL, 1635*bcc8b3e8SYang Jihong .show_callchain = false, 1636*bcc8b3e8SYang Jihong .max_stack = 5, 1637f98919ecSYang Jihong .timestart = 0, 1638f98919ecSYang Jihong .timeend = 0, 1639f98919ecSYang Jihong .nr_events = 0, 1640f98919ecSYang Jihong .nr_lost_chunks = 0, 1641f98919ecSYang Jihong .nr_lost_events = 0, 1642f98919ecSYang Jihong .all_runtime = 0, 1643f98919ecSYang Jihong .all_count = 0, 1644f98919ecSYang Jihong .nr_skipped_events = { 0 }, 16450f70d8e9SYang Jihong }; 1646f98919ecSYang Jihong static const char default_report_sort_order[] = "runtime, max, count"; 1647ad3d9f7aSYang Jihong static const char default_latency_sort_order[] = "avg, max, count"; 16480f70d8e9SYang Jihong const struct option kwork_options[] = { 16490f70d8e9SYang Jihong OPT_INCR('v', "verbose", &verbose, 16500f70d8e9SYang Jihong "be more verbose (show symbol address, etc)"), 16510f70d8e9SYang Jihong OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 16520f70d8e9SYang Jihong "dump raw trace in ASCII"), 16530f70d8e9SYang Jihong OPT_STRING('k', "kwork", &kwork.event_list_str, "kwork", 165497179d9dSYang Jihong "list of kwork to profile (irq, softirq, workqueue, etc)"), 16550f70d8e9SYang Jihong OPT_BOOLEAN('f', "force", &kwork.force, "don't complain, do it"), 16560f70d8e9SYang Jihong OPT_END() 16570f70d8e9SYang Jihong }; 1658f98919ecSYang Jihong const struct option report_options[] = { 1659f98919ecSYang Jihong OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", 1660f98919ecSYang Jihong "sort by key(s): runtime, max, count"), 1661f98919ecSYang Jihong OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 1662f98919ecSYang Jihong "list of cpus to profile"), 1663f98919ecSYang Jihong OPT_STRING('n', "name", &kwork.profile_name, "name", 1664f98919ecSYang Jihong "event name to profile"), 1665f98919ecSYang Jihong OPT_STRING(0, "time", &kwork.time_str, "str", 1666f98919ecSYang Jihong "Time span for analysis (start,stop)"), 1667f98919ecSYang Jihong OPT_STRING('i', "input", &input_name, "file", 1668f98919ecSYang Jihong "input file name"), 1669f98919ecSYang Jihong OPT_BOOLEAN('S', "with-summary", &kwork.summary, 1670f98919ecSYang Jihong "Show summary with statistics"), 1671f98919ecSYang Jihong OPT_PARENT(kwork_options) 1672f98919ecSYang Jihong }; 1673ad3d9f7aSYang Jihong const struct option latency_options[] = { 1674ad3d9f7aSYang Jihong OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]", 1675ad3d9f7aSYang Jihong "sort by key(s): avg, max, count"), 1676ad3d9f7aSYang Jihong OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 1677ad3d9f7aSYang Jihong "list of cpus to profile"), 1678ad3d9f7aSYang Jihong OPT_STRING('n', "name", &kwork.profile_name, "name", 1679ad3d9f7aSYang Jihong "event name to profile"), 1680ad3d9f7aSYang Jihong OPT_STRING(0, "time", &kwork.time_str, "str", 1681ad3d9f7aSYang Jihong "Time span for analysis (start,stop)"), 1682ad3d9f7aSYang Jihong OPT_STRING('i', "input", &input_name, "file", 1683ad3d9f7aSYang Jihong "input file name"), 1684ad3d9f7aSYang Jihong OPT_PARENT(kwork_options) 1685ad3d9f7aSYang Jihong }; 1686*bcc8b3e8SYang Jihong const struct option timehist_options[] = { 1687*bcc8b3e8SYang Jihong OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1688*bcc8b3e8SYang Jihong "file", "vmlinux pathname"), 1689*bcc8b3e8SYang Jihong OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1690*bcc8b3e8SYang Jihong "file", "kallsyms pathname"), 1691*bcc8b3e8SYang Jihong OPT_BOOLEAN('g', "call-graph", &kwork.show_callchain, 1692*bcc8b3e8SYang Jihong "Display call chains if present"), 1693*bcc8b3e8SYang Jihong OPT_UINTEGER(0, "max-stack", &kwork.max_stack, 1694*bcc8b3e8SYang Jihong "Maximum number of functions to display backtrace."), 1695*bcc8b3e8SYang Jihong OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 1696*bcc8b3e8SYang Jihong "Look for files with symbols relative to this directory"), 1697*bcc8b3e8SYang Jihong OPT_STRING(0, "time", &kwork.time_str, "str", 1698*bcc8b3e8SYang Jihong "Time span for analysis (start,stop)"), 1699*bcc8b3e8SYang Jihong OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu", 1700*bcc8b3e8SYang Jihong "list of cpus to profile"), 1701*bcc8b3e8SYang Jihong OPT_STRING('n', "name", &kwork.profile_name, "name", 1702*bcc8b3e8SYang Jihong "event name to profile"), 1703*bcc8b3e8SYang Jihong OPT_STRING('i', "input", &input_name, "file", 1704*bcc8b3e8SYang Jihong "input file name"), 1705*bcc8b3e8SYang Jihong OPT_PARENT(kwork_options) 1706*bcc8b3e8SYang Jihong }; 17070f70d8e9SYang Jihong const char *kwork_usage[] = { 17080f70d8e9SYang Jihong NULL, 17090f70d8e9SYang Jihong NULL 17100f70d8e9SYang Jihong }; 1711f98919ecSYang Jihong const char * const report_usage[] = { 1712f98919ecSYang Jihong "perf kwork report [<options>]", 1713f98919ecSYang Jihong NULL 1714f98919ecSYang Jihong }; 1715ad3d9f7aSYang Jihong const char * const latency_usage[] = { 1716ad3d9f7aSYang Jihong "perf kwork latency [<options>]", 1717ad3d9f7aSYang Jihong NULL 1718ad3d9f7aSYang Jihong }; 1719*bcc8b3e8SYang Jihong const char * const timehist_usage[] = { 1720*bcc8b3e8SYang Jihong "perf kwork timehist [<options>]", 1721*bcc8b3e8SYang Jihong NULL 1722*bcc8b3e8SYang Jihong }; 17230f70d8e9SYang Jihong const char *const kwork_subcommands[] = { 1724*bcc8b3e8SYang Jihong "record", "report", "latency", "timehist", NULL 17250f70d8e9SYang Jihong }; 17260f70d8e9SYang Jihong 17270f70d8e9SYang Jihong argc = parse_options_subcommand(argc, argv, kwork_options, 17280f70d8e9SYang Jihong kwork_subcommands, kwork_usage, 17290f70d8e9SYang Jihong PARSE_OPT_STOP_AT_NON_OPTION); 17300f70d8e9SYang Jihong if (!argc) 17310f70d8e9SYang Jihong usage_with_options(kwork_usage, kwork_options); 17320f70d8e9SYang Jihong 17330f70d8e9SYang Jihong setup_event_list(&kwork, kwork_options, kwork_usage); 1734f98919ecSYang Jihong sort_dimension__add(&kwork, "id", &kwork.cmp_id); 17350f70d8e9SYang Jihong 17360f70d8e9SYang Jihong if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) 17370f70d8e9SYang Jihong return perf_kwork__record(&kwork, argc, argv); 1738f98919ecSYang Jihong else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 1739f98919ecSYang Jihong kwork.sort_order = default_report_sort_order; 1740f98919ecSYang Jihong if (argc > 1) { 1741f98919ecSYang Jihong argc = parse_options(argc, argv, report_options, report_usage, 0); 1742f98919ecSYang Jihong if (argc) 1743f98919ecSYang Jihong usage_with_options(report_usage, report_options); 1744f98919ecSYang Jihong } 1745f98919ecSYang Jihong kwork.report = KWORK_REPORT_RUNTIME; 1746f98919ecSYang Jihong setup_sorting(&kwork, report_options, report_usage); 1747f98919ecSYang Jihong return perf_kwork__report(&kwork); 1748ad3d9f7aSYang Jihong } else if (strlen(argv[0]) > 2 && strstarts("latency", argv[0])) { 1749ad3d9f7aSYang Jihong kwork.sort_order = default_latency_sort_order; 1750ad3d9f7aSYang Jihong if (argc > 1) { 1751ad3d9f7aSYang Jihong argc = parse_options(argc, argv, latency_options, latency_usage, 0); 1752ad3d9f7aSYang Jihong if (argc) 1753ad3d9f7aSYang Jihong usage_with_options(latency_usage, latency_options); 1754ad3d9f7aSYang Jihong } 1755ad3d9f7aSYang Jihong kwork.report = KWORK_REPORT_LATENCY; 1756ad3d9f7aSYang Jihong setup_sorting(&kwork, latency_options, latency_usage); 1757ad3d9f7aSYang Jihong return perf_kwork__report(&kwork); 1758*bcc8b3e8SYang Jihong } else if (strlen(argv[0]) > 2 && strstarts("timehist", argv[0])) { 1759*bcc8b3e8SYang Jihong if (argc > 1) { 1760*bcc8b3e8SYang Jihong argc = parse_options(argc, argv, timehist_options, timehist_usage, 0); 1761*bcc8b3e8SYang Jihong if (argc) 1762*bcc8b3e8SYang Jihong usage_with_options(timehist_usage, timehist_options); 1763*bcc8b3e8SYang Jihong } 1764*bcc8b3e8SYang Jihong kwork.report = KWORK_REPORT_TIMEHIST; 1765*bcc8b3e8SYang Jihong return perf_kwork__timehist(&kwork); 1766f98919ecSYang Jihong } else 17670f70d8e9SYang Jihong usage_with_options(kwork_usage, kwork_options); 17680f70d8e9SYang Jihong 17690f70d8e9SYang Jihong return 0; 17700f70d8e9SYang Jihong } 1771