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_FUCHSIA_TRACE_UTILS_H_
18 #define SRC_TRACE_PROCESSOR_FUCHSIA_TRACE_UTILS_H_
19
20 #include <stddef.h>
21 #include <stdint.h>
22 #include <functional>
23
24 #include "perfetto/base/string_view.h"
25
26 namespace perfetto {
27 namespace trace_processor {
28 namespace fuchsia_trace_utils {
29
30 struct ThreadInfo {
31 uint64_t pid;
32 uint64_t tid;
33 };
34
35 template <class T>
ReadField(uint64_t word,size_t begin,size_t end)36 T ReadField(uint64_t word, size_t begin, size_t end) {
37 return static_cast<T>((word >> begin) &
38 ((uint64_t(1) << (end - begin + 1)) - 1));
39 }
40
41 bool IsInlineString(uint32_t);
42 base::StringView ReadInlineString(const uint64_t**, uint32_t);
43
44 bool IsInlineThread(uint32_t);
45 ThreadInfo ReadInlineThread(const uint64_t**);
46
47 int64_t ReadTimestamp(const uint64_t**, uint64_t);
48 int64_t TicksToNs(uint64_t ticks, uint64_t ticks_per_second);
49
50 } // namespace fuchsia_trace_utils
51 } // namespace trace_processor
52 } // namespace perfetto
53
54 #endif // SRC_TRACE_PROCESSOR_FUCHSIA_TRACE_UTILS_H_
55