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1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SRC_TRACE_PROCESSOR_STORAGE_METADATA_H_
18 #define SRC_TRACE_PROCESSOR_STORAGE_METADATA_H_
19 
20 #include <stddef.h>
21 
22 #include "src/trace_processor/containers/string_pool.h"
23 #include "src/trace_processor/types/variadic.h"
24 
25 namespace perfetto {
26 namespace trace_processor {
27 namespace metadata {
28 
29 // Compile time list of metadata items.
30 // clang-format off
31 #define PERFETTO_TP_METADATA(F)                                               \
32   F(benchmark_description,             KeyType::kSingle,  Variadic::kString), \
33   F(benchmark_name,                    KeyType::kSingle,  Variadic::kString), \
34   F(benchmark_start_time_us,           KeyType::kSingle,  Variadic::kInt),    \
35   F(benchmark_had_failures,            KeyType::kSingle,  Variadic::kInt),    \
36   F(benchmark_label,                   KeyType::kSingle,  Variadic::kString), \
37   F(benchmark_story_name,              KeyType::kSingle,  Variadic::kString), \
38   F(benchmark_story_run_index,         KeyType::kSingle,  Variadic::kInt),    \
39   F(benchmark_story_run_time_us,       KeyType::kSingle,  Variadic::kInt),    \
40   F(benchmark_story_tags,              KeyType::kMulti,   Variadic::kString), \
41   F(statsd_triggering_subscription_id, KeyType::kSingle,  Variadic::kInt),    \
42   F(trace_uuid,                        KeyType::kSingle,  Variadic::kString), \
43   F(unique_session_name,               KeyType::kSingle,  Variadic::kString), \
44   F(system_name,                       KeyType::kSingle,  Variadic::kString), \
45   F(system_version,                    KeyType::kSingle,  Variadic::kString), \
46   F(system_release,                    KeyType::kSingle,  Variadic::kString), \
47   F(system_machine,                    KeyType::kSingle,  Variadic::kString), \
48   F(android_build_fingerprint,         KeyType::kSingle,  Variadic::kString), \
49   F(trace_size_bytes,                  KeyType::kSingle,  Variadic::kInt), \
50   F(all_data_source_started_ns,        KeyType::kSingle,  Variadic::kInt)
51 // clang-format on
52 
53 // Compile time list of metadata items.
54 // clang-format off
55 #define PERFETTO_TP_METADATA_KEY_TYPES(F) \
56   F(kSingle, "single"),                   \
57   F(kMulti,  "multi")
58 // clang-format
59 
60 // Ignore GCC warning about a missing argument for a variadic macro parameter.
61 #pragma GCC system_header
62 
63 #define PERFETTO_TP_META_TYPE_ENUM(varname, ...) varname
64 enum class KeyType : size_t {
65   PERFETTO_TP_METADATA_KEY_TYPES(PERFETTO_TP_META_TYPE_ENUM),
66   kNumKeyTypes,
67 };
68 
69 #define PERFETTO_TP_META_TYPE_NAME(_, name, ...) name
70 constexpr char const* kKeyTypeNames[] = {
71   PERFETTO_TP_METADATA_KEY_TYPES(PERFETTO_TP_META_TYPE_NAME)
72 };
73 
74 // Declares an enum of literals (one for each item). The enum values of each
75 // literal corresponds to the string index in the arrays below.
76 #define PERFETTO_TP_META_ENUM(name, ...) name
77 enum KeyIDs : size_t {
78   PERFETTO_TP_METADATA(PERFETTO_TP_META_ENUM),
79   kNumKeys
80 };
81 
82 // The code below declares an array for each property:
83 // name, key type, value type.
84 
85 #define PERFETTO_TP_META_NAME(name, ...) #name
86 constexpr char const* kNames[] = {
87   PERFETTO_TP_METADATA(PERFETTO_TP_META_NAME)};
88 
89 #define PERFETTO_TP_META_KEYTYPE(_, type, ...) type
90 constexpr KeyType kKeyTypes[] = {
91     PERFETTO_TP_METADATA(PERFETTO_TP_META_KEYTYPE)};
92 
93 #define PERFETTO_TP_META_VALUETYPE(_, __, type, ...) type
94 constexpr Variadic::Type kValueTypes[] = {
95     PERFETTO_TP_METADATA(PERFETTO_TP_META_VALUETYPE)};
96 
97 }  // namespace metadata
98 }  // namespace trace_processor
99 }  // namespace perfetto
100 
101 #endif  // SRC_TRACE_PROCESSOR_STORAGE_METADATA_H_
102