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0220be14 JG |
1 | /* |
2 | * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0-only | |
5 | * | |
6 | */ | |
7 | ||
8 | #ifndef LTTNG_CLOCK_CLASS_H | |
9 | #define LTTNG_CLOCK_CLASS_H | |
10 | ||
11 | #include <common/compat/time.hpp> | |
12 | #include <common/uuid.hpp> | |
13 | #include <vendor/optional.hpp> | |
14 | ||
15 | #include <stddef.h> | |
16 | #include <stdint.h> | |
17 | #include <stdio.h> | |
18 | #include <string> | |
19 | #include <sys/time.h> | |
20 | #include <urcu/arch.h> | |
21 | #include <urcu/system.h> | |
22 | ||
23 | namespace lttng { | |
24 | namespace sessiond { | |
25 | namespace trace { | |
26 | ||
27 | class trace_class_visitor; | |
28 | ||
29 | class clock_class { | |
30 | public: | |
31 | using cycles_t = uint64_t; | |
32 | using scycles_t = int64_t; | |
33 | ||
34 | const std::string name; | |
35 | const std::string description; | |
36 | const nonstd::optional<lttng_uuid> uuid; | |
37 | const scycles_t offset; | |
38 | const cycles_t frequency; | |
39 | ||
40 | virtual void accept(trace_class_visitor& visitor) const; | |
41 | virtual ~clock_class() = default; | |
42 | ||
43 | protected: | |
44 | clock_class(std::string name, | |
45 | std::string description, | |
46 | nonstd::optional<lttng_uuid> uuid, | |
47 | scycles_t offset, | |
48 | cycles_t frequency); | |
49 | }; | |
50 | ||
51 | } /* namespace trace */ | |
52 | } /* namespace sessiond */ | |
53 | } /* namespace lttng */ | |
54 | ||
55 | #endif /* LTTNG_CLOCK_CLASS_H */ |