Lines Matching refs:kvm
104 static const char *get_exit_reason(struct perf_kvm_stat *kvm, in get_exit_reason() argument
115 (unsigned long long)exit_code, kvm->exit_reasons_isa); in get_exit_reason()
119 void exit_event_decode_key(struct perf_kvm_stat *kvm, in exit_event_decode_key() argument
123 const char *exit_reason = get_exit_reason(kvm, key->exit_reasons, in exit_event_decode_key()
129 static bool register_kvm_events_ops(struct perf_kvm_stat *kvm) in register_kvm_events_ops() argument
134 if (!strcmp(events_ops->name, kvm->report_event)) { in register_kvm_events_ops()
135 kvm->events_ops = events_ops->ops; in register_kvm_events_ops()
150 static void init_kvm_event_record(struct perf_kvm_stat *kvm) in init_kvm_event_record() argument
155 INIT_LIST_HEAD(&kvm->kvm_events_cache[i]); in init_kvm_event_record()
227 static struct kvm_event *find_create_kvm_event(struct perf_kvm_stat *kvm, in find_create_kvm_event() argument
235 head = &kvm->kvm_events_cache[kvm_events_hash_fn(key->key)]; in find_create_kvm_event()
249 static bool handle_begin_event(struct perf_kvm_stat *kvm, in handle_begin_event() argument
256 event = find_create_kvm_event(kvm, key); in handle_begin_event()
296 static bool is_child_event(struct perf_kvm_stat *kvm, in is_child_event() argument
303 child_ops = kvm->events_ops->child_ops; in is_child_event()
318 static bool handle_child_event(struct perf_kvm_stat *kvm, in handle_child_event() argument
326 event = find_create_kvm_event(kvm, key); in handle_child_event()
344 static bool handle_end_event(struct perf_kvm_stat *kvm, in handle_end_event() argument
353 if (kvm->trace_vcpu == -1) in handle_end_event()
375 event = find_create_kvm_event(kvm, key); in handle_end_event()
391 if (kvm->duration && time_diff > kvm->duration) { in handle_end_event()
394 kvm->events_ops->decode_key(kvm, &event->key, decode); in handle_end_event()
427 static bool handle_kvm_event(struct perf_kvm_stat *kvm, in handle_kvm_event() argument
434 .exit_reasons = kvm->exit_reasons }; in handle_kvm_event()
441 if ((kvm->trace_vcpu != -1) && in handle_kvm_event()
442 (kvm->trace_vcpu != vcpu_record->vcpu_id)) in handle_kvm_event()
445 if (kvm->events_ops->is_begin_event(evsel, sample, &key)) in handle_kvm_event()
446 return handle_begin_event(kvm, vcpu_record, &key, sample->time); in handle_kvm_event()
448 if (is_child_event(kvm, evsel, sample, &key)) in handle_kvm_event()
449 return handle_child_event(kvm, vcpu_record, &key, sample); in handle_kvm_event()
451 if (kvm->events_ops->is_end_event(evsel, sample, &key)) in handle_kvm_event()
452 return handle_end_event(kvm, vcpu_record, &key, sample); in handle_kvm_event()
493 static bool select_key(struct perf_kvm_stat *kvm) in select_key() argument
498 if (!strcmp(keys[i].name, kvm->sort_key)) { in select_key()
499 kvm->compare = keys[i].key; in select_key()
504 pr_err("Unknown compare key:%s\n", kvm->sort_key); in select_key()
530 update_total_count(struct perf_kvm_stat *kvm, struct kvm_event *event) in update_total_count() argument
532 int vcpu = kvm->trace_vcpu; in update_total_count()
534 kvm->total_count += get_event_count(event, vcpu); in update_total_count()
535 kvm->total_time += get_event_time(event, vcpu); in update_total_count()
543 static void sort_result(struct perf_kvm_stat *kvm) in sort_result() argument
546 int vcpu = kvm->trace_vcpu; in sort_result()
550 list_for_each_entry(event, &kvm->kvm_events_cache[i], hash_entry) { in sort_result()
552 update_total_count(kvm, event); in sort_result()
553 insert_to_result(&kvm->result, event, in sort_result()
554 kvm->compare, vcpu); in sort_result()
572 static void print_vcpu_info(struct perf_kvm_stat *kvm) in print_vcpu_info() argument
574 int vcpu = kvm->trace_vcpu; in print_vcpu_info()
578 if (kvm->opts.target.system_wide) in print_vcpu_info()
580 else if (kvm->opts.target.pid) in print_vcpu_info()
581 pr_info("pid(s) %s, ", kvm->opts.target.pid); in print_vcpu_info()
607 static void print_result(struct perf_kvm_stat *kvm) in print_result() argument
611 int vcpu = kvm->trace_vcpu; in print_result()
613 if (kvm->live) { in print_result()
619 print_vcpu_info(kvm); in print_result()
620 pr_info("%*s ", decode_str_len, kvm->events_ops->name); in print_result()
630 while ((event = pop_from_result(&kvm->result))) { in print_result()
638 kvm->events_ops->decode_key(kvm, &event->key, decode); in print_result()
641 pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100); in print_result()
642 pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100); in print_result()
651 kvm->total_count, kvm->total_time / (double)NSEC_PER_USEC); in print_result()
653 if (kvm->lost_events) in print_result()
654 pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events); in print_result()
663 struct perf_kvm_stat *kvm = container_of(tool, struct perf_kvm_stat, tool); in process_lost_event() local
665 kvm->lost_events++; in process_lost_event()
670 static bool skip_sample(struct perf_kvm_stat *kvm, in skip_sample() argument
673 if (kvm->pid_list && intlist__find(kvm->pid_list, sample->pid) == NULL) in skip_sample()
687 struct perf_kvm_stat *kvm = container_of(tool, struct perf_kvm_stat, in process_sample_event() local
690 if (skip_sample(kvm, sample)) in process_sample_event()
700 if (!handle_kvm_event(kvm, thread, evsel, sample)) in process_sample_event()
707 static int cpu_isa_config(struct perf_kvm_stat *kvm) in cpu_isa_config() argument
712 if (kvm->live) { in cpu_isa_config()
721 cpuid = kvm->session->header.env.cpuid; in cpu_isa_config()
728 err = cpu_isa_init(kvm, cpuid); in cpu_isa_config()
751 static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx, in perf_kvm__mmap_read_idx() argument
754 struct evlist *evlist = kvm->evlist; in perf_kvm__mmap_read_idx()
775 err = perf_session__queue_event(kvm->session, event, timestamp, 0, NULL); in perf_kvm__mmap_read_idx()
801 static int perf_kvm__mmap_read(struct perf_kvm_stat *kvm) in perf_kvm__mmap_read() argument
807 for (i = 0; i < kvm->evlist->core.nr_mmaps; i++) { in perf_kvm__mmap_read()
808 n = perf_kvm__mmap_read_idx(kvm, i, &mmap_time); in perf_kvm__mmap_read()
829 struct ordered_events *oe = &kvm->session->ordered_events; in perf_kvm__mmap_read()
834 if (kvm->lost_events) in perf_kvm__mmap_read()
836 kvm->lost_events); in perf_kvm__mmap_read()
851 static int perf_kvm__timerfd_create(struct perf_kvm_stat *kvm) in perf_kvm__timerfd_create() argument
856 kvm->timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK); in perf_kvm__timerfd_create()
857 if (kvm->timerfd < 0) { in perf_kvm__timerfd_create()
862 new_value.it_value.tv_sec = kvm->display_time; in perf_kvm__timerfd_create()
864 new_value.it_interval.tv_sec = kvm->display_time; in perf_kvm__timerfd_create()
867 if (timerfd_settime(kvm->timerfd, 0, &new_value, NULL) != 0) { in perf_kvm__timerfd_create()
869 close(kvm->timerfd); in perf_kvm__timerfd_create()
878 static int perf_kvm__handle_timerfd(struct perf_kvm_stat *kvm) in perf_kvm__handle_timerfd() argument
883 rc = read(kvm->timerfd, &c, sizeof(uint64_t)); in perf_kvm__handle_timerfd()
901 sort_result(kvm); in perf_kvm__handle_timerfd()
902 print_result(kvm); in perf_kvm__handle_timerfd()
905 clear_events_cache_stats(kvm->kvm_events_cache); in perf_kvm__handle_timerfd()
906 kvm->total_count = 0; in perf_kvm__handle_timerfd()
907 kvm->total_time = 0; in perf_kvm__handle_timerfd()
908 kvm->lost_events = 0; in perf_kvm__handle_timerfd()
942 static int kvm_events_live_report(struct perf_kvm_stat *kvm) in kvm_events_live_report() argument
948 kvm->live = true; in kvm_events_live_report()
950 ret = cpu_isa_config(kvm); in kvm_events_live_report()
954 if (!verify_vcpu(kvm->trace_vcpu) || in kvm_events_live_report()
955 !select_key(kvm) || in kvm_events_live_report()
956 !register_kvm_events_ops(kvm)) { in kvm_events_live_report()
961 init_kvm_event_record(kvm); in kvm_events_live_report()
967 if (perf_kvm__timerfd_create(kvm) < 0) { in kvm_events_live_report()
972 if (evlist__add_pollfd(kvm->evlist, kvm->timerfd) < 0) in kvm_events_live_report()
975 nr_stdin = evlist__add_pollfd(kvm->evlist, fileno(stdin)); in kvm_events_live_report()
983 evlist__enable(kvm->evlist); in kvm_events_live_report()
986 struct fdarray *fda = &kvm->evlist->core.pollfd; in kvm_events_live_report()
989 rc = perf_kvm__mmap_read(kvm); in kvm_events_live_report()
993 err = perf_kvm__handle_timerfd(kvm); in kvm_events_live_report()
1001 err = evlist__poll(kvm->evlist, 100); in kvm_events_live_report()
1004 evlist__disable(kvm->evlist); in kvm_events_live_report()
1007 sort_result(kvm); in kvm_events_live_report()
1008 print_result(kvm); in kvm_events_live_report()
1012 if (kvm->timerfd >= 0) in kvm_events_live_report()
1013 close(kvm->timerfd); in kvm_events_live_report()
1019 static int kvm_live_open_events(struct perf_kvm_stat *kvm) in kvm_live_open_events() argument
1023 struct evlist *evlist = kvm->evlist; in kvm_live_open_events()
1026 evlist__config(evlist, &kvm->opts, NULL); in kvm_live_open_events()
1066 if (evlist__mmap(evlist, kvm->opts.mmap_pages) < 0) { in kvm_live_open_events()
1080 static int read_events(struct perf_kvm_stat *kvm) in read_events() argument
1091 .path = kvm->file_name, in read_events()
1093 .force = kvm->force, in read_events()
1096 kvm->tool = eops; in read_events()
1097 kvm->session = perf_session__new(&file, &kvm->tool); in read_events()
1098 if (IS_ERR(kvm->session)) { in read_events()
1100 return PTR_ERR(kvm->session); in read_events()
1103 symbol__init(&kvm->session->header.env); in read_events()
1105 if (!perf_session__has_traces(kvm->session, "kvm record")) { in read_events()
1114 ret = cpu_isa_config(kvm); in read_events()
1118 ret = perf_session__process_events(kvm->session); in read_events()
1121 perf_session__delete(kvm->session); in read_events()
1125 static int parse_target_str(struct perf_kvm_stat *kvm) in parse_target_str() argument
1127 if (kvm->opts.target.pid) { in parse_target_str()
1128 kvm->pid_list = intlist__new(kvm->opts.target.pid); in parse_target_str()
1129 if (kvm->pid_list == NULL) { in parse_target_str()
1138 static int kvm_events_report_vcpu(struct perf_kvm_stat *kvm) in kvm_events_report_vcpu() argument
1141 int vcpu = kvm->trace_vcpu; in kvm_events_report_vcpu()
1143 if (parse_target_str(kvm) != 0) in kvm_events_report_vcpu()
1149 if (!select_key(kvm)) in kvm_events_report_vcpu()
1152 if (!register_kvm_events_ops(kvm)) in kvm_events_report_vcpu()
1155 init_kvm_event_record(kvm); in kvm_events_report_vcpu()
1158 ret = read_events(kvm); in kvm_events_report_vcpu()
1162 sort_result(kvm); in kvm_events_report_vcpu()
1163 print_result(kvm); in kvm_events_report_vcpu()
1177 int __weak setup_kvm_events_tp(struct perf_kvm_stat *kvm __maybe_unused) in setup_kvm_events_tp()
1183 kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv) in kvm_events_record() argument
1201 ret = setup_kvm_events_tp(kvm); in kvm_events_record()
1226 rec_argv[i++] = STRDUP_FAIL_EXIT(kvm->file_name); in kvm_events_record()
1256 kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv) in kvm_events_report() argument
1259 OPT_STRING(0, "event", &kvm->report_event, "report event", in kvm_events_report()
1262 OPT_INTEGER(0, "vcpu", &kvm->trace_vcpu, in kvm_events_report()
1264 OPT_STRING('k', "key", &kvm->sort_key, "sort-key", in kvm_events_report()
1267 OPT_STRING('p', "pid", &kvm->opts.target.pid, "pid", in kvm_events_report()
1269 OPT_BOOLEAN('f', "force", &kvm->force, "don't complain, do it"), in kvm_events_report()
1287 if (!kvm->opts.target.pid) in kvm_events_report()
1288 kvm->opts.target.system_wide = true; in kvm_events_report()
1290 return kvm_events_report_vcpu(kvm); in kvm_events_report()
1343 static int kvm_events_live(struct perf_kvm_stat *kvm, in kvm_events_live() argument
1350 OPT_STRING('p', "pid", &kvm->opts.target.pid, "pid", in kvm_events_live()
1352 OPT_CALLBACK('m', "mmap-pages", &kvm->opts.mmap_pages, "pages", in kvm_events_live()
1356 OPT_BOOLEAN('a', "all-cpus", &kvm->opts.target.system_wide, in kvm_events_live()
1358 OPT_UINTEGER('d', "display", &kvm->display_time, in kvm_events_live()
1360 OPT_STRING(0, "event", &kvm->report_event, "report event", in kvm_events_live()
1363 OPT_INTEGER(0, "vcpu", &kvm->trace_vcpu, in kvm_events_live()
1365 OPT_STRING('k', "key", &kvm->sort_key, "sort-key", in kvm_events_live()
1368 OPT_U64(0, "duration", &kvm->duration, in kvm_events_live()
1386 kvm->tool.sample = process_sample_event; in kvm_events_live()
1387 kvm->tool.comm = perf_event__process_comm; in kvm_events_live()
1388 kvm->tool.exit = perf_event__process_exit; in kvm_events_live()
1389 kvm->tool.fork = perf_event__process_fork; in kvm_events_live()
1390 kvm->tool.lost = process_lost_event; in kvm_events_live()
1391 kvm->tool.namespaces = perf_event__process_namespaces; in kvm_events_live()
1392 kvm->tool.ordered_events = true; in kvm_events_live()
1393 perf_tool__fill_defaults(&kvm->tool); in kvm_events_live()
1396 kvm->display_time = 1; in kvm_events_live()
1397 kvm->opts.user_interval = 1; in kvm_events_live()
1398 kvm->opts.mmap_pages = 512; in kvm_events_live()
1399 kvm->opts.target.uses_mmap = false; in kvm_events_live()
1400 kvm->opts.target.uid_str = NULL; in kvm_events_live()
1401 kvm->opts.target.uid = UINT_MAX; in kvm_events_live()
1415 kvm->duration *= NSEC_PER_USEC; /* convert usec to nsec */ in kvm_events_live()
1420 err = target__validate(&kvm->opts.target); in kvm_events_live()
1422 target__strerror(&kvm->opts.target, err, errbuf, BUFSIZ); in kvm_events_live()
1426 if (target__none(&kvm->opts.target)) in kvm_events_live()
1427 kvm->opts.target.system_wide = true; in kvm_events_live()
1433 err = setup_kvm_events_tp(kvm); in kvm_events_live()
1439 kvm->evlist = kvm_live_event_list(); in kvm_events_live()
1440 if (kvm->evlist == NULL) { in kvm_events_live()
1445 if (evlist__create_maps(kvm->evlist, &kvm->opts.target) < 0) in kvm_events_live()
1451 kvm->session = perf_session__new(&data, &kvm->tool); in kvm_events_live()
1452 if (IS_ERR(kvm->session)) { in kvm_events_live()
1453 err = PTR_ERR(kvm->session); in kvm_events_live()
1456 kvm->session->evlist = kvm->evlist; in kvm_events_live()
1457 perf_session__set_id_hdr_size(kvm->session); in kvm_events_live()
1458 ordered_events__set_copy_on_queue(&kvm->session->ordered_events, true); in kvm_events_live()
1459 machine__synthesize_threads(&kvm->session->machines.host, &kvm->opts.target, in kvm_events_live()
1460 kvm->evlist->core.threads, true, false, 1); in kvm_events_live()
1461 err = kvm_live_open_events(kvm); in kvm_events_live()
1465 err = kvm_events_live_report(kvm); in kvm_events_live()
1468 perf_session__delete(kvm->session); in kvm_events_live()
1469 kvm->session = NULL; in kvm_events_live()
1470 evlist__delete(kvm->evlist); in kvm_events_live()
1490 struct perf_kvm_stat kvm = { in kvm_cmd_stat() local
1505 return kvm_events_record(&kvm, argc - 1, argv + 1); in kvm_cmd_stat()
1508 return kvm_events_report(&kvm, argc - 1 , argv + 1); in kvm_cmd_stat()
1512 return kvm_events_live(&kvm, argc - 1 , argv + 1); in kvm_cmd_stat()