2 * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
8 #ifndef LTTNG_CLOCK_CLASS_H
9 #define LTTNG_CLOCK_CLASS_H
11 #include <common/compat/time.hpp>
12 #include <common/uuid.hpp>
13 #include <vendor/optional.hpp>
20 #include <urcu/arch.h>
21 #include <urcu/system.h>
27 class trace_class_visitor;
31 using cycles_t = uint64_t;
32 using scycles_t = int64_t;
33 using cuptr = std::unique_ptr<const clock_class>;
35 const std::string name;
36 const std::string description;
37 const nonstd::optional<lttng_uuid> uuid;
38 const scycles_t offset;
39 const cycles_t frequency;
41 virtual void accept(trace_class_visitor& visitor) const;
42 virtual ~clock_class() = default;
45 clock_class(std::string name,
46 std::string description,
47 nonstd::optional<lttng_uuid> uuid,
52 } /* namespace trace */
53 } /* namespace sessiond */
54 } /* namespace lttng */
56 #endif /* LTTNG_CLOCK_CLASS_H */