C++ (Cpp) print_event_field примеры использования

Пример #1

Файл: list.c Проект: RomainNaour/lttng-tools

/*
 * Ask session daemon for all user space tracepoint fields available.
 */
static int list_ust_event_fields(void)
{
	int i, size, ret = CMD_SUCCESS;
	struct lttng_domain domain;
	struct lttng_handle *handle;
	struct lttng_event_field *event_field_list;
	pid_t cur_pid = 0;
	char *cmdline = NULL;

	struct lttng_event cur_event;

	memset(&domain, 0, sizeof(domain));
	memset(&cur_event, 0, sizeof(cur_event));

	DBG("Getting UST tracing event fields");

	domain.type = LTTNG_DOMAIN_UST;

	handle = lttng_create_handle(NULL, &domain);
	if (handle == NULL) {
		ret = CMD_ERROR;
		goto end;
	}

	size = lttng_list_tracepoint_fields(handle, &event_field_list);
	if (size < 0) {
		ERR("Unable to list UST event fields: %s", lttng_strerror(size));
		ret = CMD_ERROR;
		goto end;
	}

	if (lttng_opt_mi) {
		/* Mi print */
		ret = mi_list_ust_event_fields(event_field_list, size, &domain);
		if (ret) {
			ret = CMD_ERROR;
			goto error;
		}
	} else {
		/* Pretty print */
		MSG("UST events:\n-------------");

		if (size == 0) {
			MSG("None");
		}

		for (i = 0; i < size; i++) {
			if (cur_pid != event_field_list[i].event.pid) {
				cur_pid = event_field_list[i].event.pid;
				cmdline = get_cmdline_by_pid(cur_pid);
				if (cmdline == NULL) {
					ret = CMD_ERROR;
					goto error;
				}
				MSG("\nPID: %d - Name: %s", cur_pid, cmdline);
				free(cmdline);
				/* Wipe current event since we are about to print a new PID. */
				memset(&cur_event, 0, sizeof(cur_event));
			}
			if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) {
				print_events(&event_field_list[i].event);
				memcpy(&cur_event, &event_field_list[i].event,
						sizeof(cur_event));
			}
			print_event_field(&event_field_list[i]);
		}

		MSG("");
	}

error:
	free(event_field_list);
end:
	lttng_destroy_handle(handle);
	return ret;
}

Пример #2

Файл: list.c Проект: simar7/lttng-tools

/*
 * Ask session daemon for all user space tracepoint fields available.
 */
static int list_ust_event_fields(void)
{
	int i, size;
	struct lttng_domain domain;
	struct lttng_handle *handle;
	struct lttng_event_field *event_field_list;
	pid_t cur_pid = 0;
	char *cmdline = NULL;

	struct lttng_event cur_event;

	memset(&domain, 0, sizeof(domain));
	memset(&cur_event, 0, sizeof(cur_event));

	DBG("Getting UST tracing event fields");

	domain.type = LTTNG_DOMAIN_UST;

	handle = lttng_create_handle(NULL, &domain);
	if (handle == NULL) {
		goto error;
	}

	size = lttng_list_tracepoint_fields(handle, &event_field_list);
	if (size < 0) {
		ERR("Unable to list UST event fields");
		lttng_destroy_handle(handle);
		return size;
	}

	MSG("UST events:\n-------------");

	if (size == 0) {
		MSG("None");
	}

	for (i = 0; i < size; i++) {
		if (cur_pid != event_field_list[i].event.pid) {
			cur_pid = event_field_list[i].event.pid;
			cmdline = get_cmdline_by_pid(cur_pid);
			MSG("\nPID: %d - Name: %s", cur_pid, cmdline);
			free(cmdline);
		}
		if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) {
			print_events(&event_field_list[i].event);
			memcpy(&cur_event, &event_field_list[i].event,
				sizeof(cur_event));
		}
		print_event_field(&event_field_list[i]);
	}

	MSG("");

	free(event_field_list);
	lttng_destroy_handle(handle);

	return CMD_SUCCESS;

error:
	lttng_destroy_handle(handle);
	return -1;
}