Lines Matching refs:kvm
103 static const char *get_exit_reason(struct perf_kvm_stat *kvm, in get_exit_reason() argument
114 (unsigned long long)exit_code, kvm->exit_reasons_isa); in get_exit_reason()
118 void exit_event_decode_key(struct perf_kvm_stat *kvm, in exit_event_decode_key() argument
122 const char *exit_reason = get_exit_reason(kvm, key->exit_reasons, in exit_event_decode_key()
128 static bool register_kvm_events_ops(struct perf_kvm_stat *kvm) in register_kvm_events_ops() argument
133 if (!strcmp(events_ops->name, kvm->report_event)) { in register_kvm_events_ops()
134 kvm->events_ops = events_ops->ops; in register_kvm_events_ops()
149 static void init_kvm_event_record(struct perf_kvm_stat *kvm) in init_kvm_event_record() argument
154 INIT_LIST_HEAD(&kvm->kvm_events_cache[i]); in init_kvm_event_record()
226 static struct kvm_event *find_create_kvm_event(struct perf_kvm_stat *kvm, in find_create_kvm_event() argument
234 head = &kvm->kvm_events_cache[kvm_events_hash_fn(key->key)]; in find_create_kvm_event()
248 static bool handle_begin_event(struct perf_kvm_stat *kvm, in handle_begin_event() argument
255 event = find_create_kvm_event(kvm, key); in handle_begin_event()
295 static bool is_child_event(struct perf_kvm_stat *kvm, in is_child_event() argument
302 child_ops = kvm->events_ops->child_ops; in is_child_event()
317 static bool handle_child_event(struct perf_kvm_stat *kvm, in handle_child_event() argument
325 event = find_create_kvm_event(kvm, key); in handle_child_event()
343 static bool handle_end_event(struct perf_kvm_stat *kvm, in handle_end_event() argument
352 if (kvm->trace_vcpu == -1) in handle_end_event()
374 event = find_create_kvm_event(kvm, key); in handle_end_event()
390 if (kvm->duration && time_diff > kvm->duration) { in handle_end_event()
393 kvm->events_ops->decode_key(kvm, &event->key, decode); in handle_end_event()
426 static bool handle_kvm_event(struct perf_kvm_stat *kvm, in handle_kvm_event() argument
433 .exit_reasons = kvm->exit_reasons }; in handle_kvm_event()
440 if ((kvm->trace_vcpu != -1) && in handle_kvm_event()
441 (kvm->trace_vcpu != vcpu_record->vcpu_id)) in handle_kvm_event()
444 if (kvm->events_ops->is_begin_event(evsel, sample, &key)) in handle_kvm_event()
445 return handle_begin_event(kvm, vcpu_record, &key, sample->time); in handle_kvm_event()
447 if (is_child_event(kvm, evsel, sample, &key)) in handle_kvm_event()
448 return handle_child_event(kvm, vcpu_record, &key, sample); in handle_kvm_event()
450 if (kvm->events_ops->is_end_event(evsel, sample, &key)) in handle_kvm_event()
451 return handle_end_event(kvm, vcpu_record, &key, sample); in handle_kvm_event()
492 static bool select_key(struct perf_kvm_stat *kvm) in select_key() argument
497 if (!strcmp(keys[i].name, kvm->sort_key)) { in select_key()
498 kvm->compare = keys[i].key; in select_key()
503 pr_err("Unknown compare key:%s\n", kvm->sort_key); in select_key()
529 update_total_count(struct perf_kvm_stat *kvm, struct kvm_event *event) in update_total_count() argument
531 int vcpu = kvm->trace_vcpu; in update_total_count()
533 kvm->total_count += get_event_count(event, vcpu); in update_total_count()
534 kvm->total_time += get_event_time(event, vcpu); in update_total_count()
542 static void sort_result(struct perf_kvm_stat *kvm) in sort_result() argument
545 int vcpu = kvm->trace_vcpu; in sort_result()
549 list_for_each_entry(event, &kvm->kvm_events_cache[i], hash_entry) { in sort_result()
551 update_total_count(kvm, event); in sort_result()
552 insert_to_result(&kvm->result, event, in sort_result()
553 kvm->compare, vcpu); in sort_result()
571 static void print_vcpu_info(struct perf_kvm_stat *kvm) in print_vcpu_info() argument
573 int vcpu = kvm->trace_vcpu; in print_vcpu_info()
577 if (kvm->opts.target.system_wide) in print_vcpu_info()
579 else if (kvm->opts.target.pid) in print_vcpu_info()
580 pr_info("pid(s) %s, ", kvm->opts.target.pid); in print_vcpu_info()
606 static void print_result(struct perf_kvm_stat *kvm) in print_result() argument
610 int vcpu = kvm->trace_vcpu; in print_result()
612 if (kvm->live) { in print_result()
618 print_vcpu_info(kvm); in print_result()
619 pr_info("%*s ", decode_str_len, kvm->events_ops->name); in print_result()
629 while ((event = pop_from_result(&kvm->result))) { in print_result()
637 kvm->events_ops->decode_key(kvm, &event->key, decode); in print_result()
640 pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100); in print_result()
641 pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100); in print_result()
650 kvm->total_count, kvm->total_time / (double)NSEC_PER_USEC); in print_result()
652 if (kvm->lost_events) in print_result()
653 pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events); in print_result()
662 struct perf_kvm_stat *kvm = container_of(tool, struct perf_kvm_stat, tool); in process_lost_event() local
664 kvm->lost_events++; in process_lost_event()
669 static bool skip_sample(struct perf_kvm_stat *kvm, in skip_sample() argument
672 if (kvm->pid_list && intlist__find(kvm->pid_list, sample->pid) == NULL) in skip_sample()
686 struct perf_kvm_stat *kvm = container_of(tool, struct perf_kvm_stat, in process_sample_event() local
689 if (skip_sample(kvm, sample)) in process_sample_event()
699 if (!handle_kvm_event(kvm, thread, evsel, sample)) in process_sample_event()
706 static int cpu_isa_config(struct perf_kvm_stat *kvm) in cpu_isa_config() argument
711 if (kvm->live) { in cpu_isa_config()
720 cpuid = kvm->session->header.env.cpuid; in cpu_isa_config()
727 err = cpu_isa_init(kvm, cpuid); in cpu_isa_config()
750 static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx, in perf_kvm__mmap_read_idx() argument
753 struct evlist *evlist = kvm->evlist; in perf_kvm__mmap_read_idx()
774 err = perf_session__queue_event(kvm->session, event, timestamp, 0); in perf_kvm__mmap_read_idx()
800 static int perf_kvm__mmap_read(struct perf_kvm_stat *kvm) in perf_kvm__mmap_read() argument
806 for (i = 0; i < kvm->evlist->core.nr_mmaps; i++) { in perf_kvm__mmap_read()
807 n = perf_kvm__mmap_read_idx(kvm, i, &mmap_time); in perf_kvm__mmap_read()
828 struct ordered_events *oe = &kvm->session->ordered_events; in perf_kvm__mmap_read()
833 if (kvm->lost_events) in perf_kvm__mmap_read()
835 kvm->lost_events); in perf_kvm__mmap_read()
850 static int perf_kvm__timerfd_create(struct perf_kvm_stat *kvm) in perf_kvm__timerfd_create() argument
855 kvm->timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK); in perf_kvm__timerfd_create()
856 if (kvm->timerfd < 0) { in perf_kvm__timerfd_create()
861 new_value.it_value.tv_sec = kvm->display_time; in perf_kvm__timerfd_create()
863 new_value.it_interval.tv_sec = kvm->display_time; in perf_kvm__timerfd_create()
866 if (timerfd_settime(kvm->timerfd, 0, &new_value, NULL) != 0) { in perf_kvm__timerfd_create()
868 close(kvm->timerfd); in perf_kvm__timerfd_create()
877 static int perf_kvm__handle_timerfd(struct perf_kvm_stat *kvm) in perf_kvm__handle_timerfd() argument
882 rc = read(kvm->timerfd, &c, sizeof(uint64_t)); in perf_kvm__handle_timerfd()
900 sort_result(kvm); in perf_kvm__handle_timerfd()
901 print_result(kvm); in perf_kvm__handle_timerfd()
904 clear_events_cache_stats(kvm->kvm_events_cache); in perf_kvm__handle_timerfd()
905 kvm->total_count = 0; in perf_kvm__handle_timerfd()
906 kvm->total_time = 0; in perf_kvm__handle_timerfd()
907 kvm->lost_events = 0; in perf_kvm__handle_timerfd()
941 static int kvm_events_live_report(struct perf_kvm_stat *kvm) in kvm_events_live_report() argument
947 kvm->live = true; in kvm_events_live_report()
949 ret = cpu_isa_config(kvm); in kvm_events_live_report()
953 if (!verify_vcpu(kvm->trace_vcpu) || in kvm_events_live_report()
954 !select_key(kvm) || in kvm_events_live_report()
955 !register_kvm_events_ops(kvm)) { in kvm_events_live_report()
960 init_kvm_event_record(kvm); in kvm_events_live_report()
966 if (perf_kvm__timerfd_create(kvm) < 0) { in kvm_events_live_report()
971 if (evlist__add_pollfd(kvm->evlist, kvm->timerfd) < 0) in kvm_events_live_report()
974 nr_stdin = evlist__add_pollfd(kvm->evlist, fileno(stdin)); in kvm_events_live_report()
982 evlist__enable(kvm->evlist); in kvm_events_live_report()
985 struct fdarray *fda = &kvm->evlist->core.pollfd; in kvm_events_live_report()
988 rc = perf_kvm__mmap_read(kvm); in kvm_events_live_report()
992 err = perf_kvm__handle_timerfd(kvm); in kvm_events_live_report()
1000 err = evlist__poll(kvm->evlist, 100); in kvm_events_live_report()
1003 evlist__disable(kvm->evlist); in kvm_events_live_report()
1006 sort_result(kvm); in kvm_events_live_report()
1007 print_result(kvm); in kvm_events_live_report()
1011 if (kvm->timerfd >= 0) in kvm_events_live_report()
1012 close(kvm->timerfd); in kvm_events_live_report()
1018 static int kvm_live_open_events(struct perf_kvm_stat *kvm) in kvm_live_open_events() argument
1022 struct evlist *evlist = kvm->evlist; in kvm_live_open_events()
1025 evlist__config(evlist, &kvm->opts, NULL); in kvm_live_open_events()
1065 if (evlist__mmap(evlist, kvm->opts.mmap_pages) < 0) { in kvm_live_open_events()
1079 static int read_events(struct perf_kvm_stat *kvm) in read_events() argument
1090 .path = kvm->file_name, in read_events()
1092 .force = kvm->force, in read_events()
1095 kvm->tool = eops; in read_events()
1096 kvm->session = perf_session__new(&file, &kvm->tool); in read_events()
1097 if (IS_ERR(kvm->session)) { in read_events()
1099 return PTR_ERR(kvm->session); in read_events()
1102 symbol__init(&kvm->session->header.env); in read_events()
1104 if (!perf_session__has_traces(kvm->session, "kvm record")) { in read_events()
1113 ret = cpu_isa_config(kvm); in read_events()
1117 ret = perf_session__process_events(kvm->session); in read_events()
1120 perf_session__delete(kvm->session); in read_events()
1124 static int parse_target_str(struct perf_kvm_stat *kvm) in parse_target_str() argument
1126 if (kvm->opts.target.pid) { in parse_target_str()
1127 kvm->pid_list = intlist__new(kvm->opts.target.pid); in parse_target_str()
1128 if (kvm->pid_list == NULL) { in parse_target_str()
1137 static int kvm_events_report_vcpu(struct perf_kvm_stat *kvm) in kvm_events_report_vcpu() argument
1140 int vcpu = kvm->trace_vcpu; in kvm_events_report_vcpu()
1142 if (parse_target_str(kvm) != 0) in kvm_events_report_vcpu()
1148 if (!select_key(kvm)) in kvm_events_report_vcpu()
1151 if (!register_kvm_events_ops(kvm)) in kvm_events_report_vcpu()
1154 init_kvm_event_record(kvm); in kvm_events_report_vcpu()
1157 ret = read_events(kvm); in kvm_events_report_vcpu()
1161 sort_result(kvm); in kvm_events_report_vcpu()
1162 print_result(kvm); in kvm_events_report_vcpu()
1176 int __weak setup_kvm_events_tp(struct perf_kvm_stat *kvm __maybe_unused) in setup_kvm_events_tp()
1182 kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv) in kvm_events_record() argument
1200 ret = setup_kvm_events_tp(kvm); in kvm_events_record()
1225 rec_argv[i++] = STRDUP_FAIL_EXIT(kvm->file_name); in kvm_events_record()
1255 kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv) in kvm_events_report() argument
1258 OPT_STRING(0, "event", &kvm->report_event, "report event", in kvm_events_report()
1261 OPT_INTEGER(0, "vcpu", &kvm->trace_vcpu, in kvm_events_report()
1263 OPT_STRING('k', "key", &kvm->sort_key, "sort-key", in kvm_events_report()
1266 OPT_STRING('p', "pid", &kvm->opts.target.pid, "pid", in kvm_events_report()
1268 OPT_BOOLEAN('f', "force", &kvm->force, "don't complain, do it"), in kvm_events_report()
1286 if (!kvm->opts.target.pid) in kvm_events_report()
1287 kvm->opts.target.system_wide = true; in kvm_events_report()
1289 return kvm_events_report_vcpu(kvm); in kvm_events_report()
1342 static int kvm_events_live(struct perf_kvm_stat *kvm, in kvm_events_live() argument
1349 OPT_STRING('p', "pid", &kvm->opts.target.pid, "pid", in kvm_events_live()
1351 OPT_CALLBACK('m', "mmap-pages", &kvm->opts.mmap_pages, "pages", in kvm_events_live()
1355 OPT_BOOLEAN('a', "all-cpus", &kvm->opts.target.system_wide, in kvm_events_live()
1357 OPT_UINTEGER('d', "display", &kvm->display_time, in kvm_events_live()
1359 OPT_STRING(0, "event", &kvm->report_event, "report event", in kvm_events_live()
1362 OPT_INTEGER(0, "vcpu", &kvm->trace_vcpu, in kvm_events_live()
1364 OPT_STRING('k', "key", &kvm->sort_key, "sort-key", in kvm_events_live()
1367 OPT_U64(0, "duration", &kvm->duration, in kvm_events_live()
1385 kvm->tool.sample = process_sample_event; in kvm_events_live()
1386 kvm->tool.comm = perf_event__process_comm; in kvm_events_live()
1387 kvm->tool.exit = perf_event__process_exit; in kvm_events_live()
1388 kvm->tool.fork = perf_event__process_fork; in kvm_events_live()
1389 kvm->tool.lost = process_lost_event; in kvm_events_live()
1390 kvm->tool.namespaces = perf_event__process_namespaces; in kvm_events_live()
1391 kvm->tool.ordered_events = true; in kvm_events_live()
1392 perf_tool__fill_defaults(&kvm->tool); in kvm_events_live()
1395 kvm->display_time = 1; in kvm_events_live()
1396 kvm->opts.user_interval = 1; in kvm_events_live()
1397 kvm->opts.mmap_pages = 512; in kvm_events_live()
1398 kvm->opts.target.uses_mmap = false; in kvm_events_live()
1399 kvm->opts.target.uid_str = NULL; in kvm_events_live()
1400 kvm->opts.target.uid = UINT_MAX; in kvm_events_live()
1414 kvm->duration *= NSEC_PER_USEC; /* convert usec to nsec */ in kvm_events_live()
1419 err = target__validate(&kvm->opts.target); in kvm_events_live()
1421 target__strerror(&kvm->opts.target, err, errbuf, BUFSIZ); in kvm_events_live()
1425 if (target__none(&kvm->opts.target)) in kvm_events_live()
1426 kvm->opts.target.system_wide = true; in kvm_events_live()
1432 err = setup_kvm_events_tp(kvm); in kvm_events_live()
1438 kvm->evlist = kvm_live_event_list(); in kvm_events_live()
1439 if (kvm->evlist == NULL) { in kvm_events_live()
1444 if (evlist__create_maps(kvm->evlist, &kvm->opts.target) < 0) in kvm_events_live()
1450 kvm->session = perf_session__new(&data, &kvm->tool); in kvm_events_live()
1451 if (IS_ERR(kvm->session)) { in kvm_events_live()
1452 err = PTR_ERR(kvm->session); in kvm_events_live()
1455 kvm->session->evlist = kvm->evlist; in kvm_events_live()
1456 perf_session__set_id_hdr_size(kvm->session); in kvm_events_live()
1457 ordered_events__set_copy_on_queue(&kvm->session->ordered_events, true); in kvm_events_live()
1458 machine__synthesize_threads(&kvm->session->machines.host, &kvm->opts.target, in kvm_events_live()
1459 kvm->evlist->core.threads, true, false, 1); in kvm_events_live()
1460 err = kvm_live_open_events(kvm); in kvm_events_live()
1464 err = kvm_events_live_report(kvm); in kvm_events_live()
1467 perf_session__delete(kvm->session); in kvm_events_live()
1468 kvm->session = NULL; in kvm_events_live()
1469 evlist__delete(kvm->evlist); in kvm_events_live()
1489 struct perf_kvm_stat kvm = { in kvm_cmd_stat() local
1504 return kvm_events_record(&kvm, argc - 1, argv + 1); in kvm_cmd_stat()
1507 return kvm_events_report(&kvm, argc - 1 , argv + 1); in kvm_cmd_stat()
1511 return kvm_events_live(&kvm, argc - 1 , argv + 1); in kvm_cmd_stat()