1 /*
2 * Copyright (C) 2024 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 #include "src/trace_processor/importers/instruments/row_data_tracker.h"
18
19 #include "perfetto/base/status.h"
20
21 #if !PERFETTO_BUILDFLAG(PERFETTO_TP_INSTRUMENTS)
22 #error \
23 "This file should not be built when enable_perfetto_trace_processor_mac_instruments=false"
24 #endif
25
26 namespace perfetto::trace_processor::instruments_importer {
27
RowDataTracker()28 RowDataTracker::RowDataTracker() {}
29 RowDataTracker::~RowDataTracker() = default;
30
NewThread()31 IdPtr<Thread> RowDataTracker::NewThread() {
32 ThreadId id = static_cast<ThreadId>(threads_.size());
33 Thread* ptr = &threads_.emplace_back();
34 // Always add 1 to ids, so that they're non-zero.
35 return {id + 1, ptr};
36 }
GetThread(ThreadId id)37 Thread* RowDataTracker::GetThread(ThreadId id) {
38 PERFETTO_DCHECK(id != kNullId);
39 return &threads_[id - 1];
40 }
41
NewProcess()42 IdPtr<Process> RowDataTracker::NewProcess() {
43 ProcessId id = static_cast<ProcessId>(processes_.size());
44 Process* ptr = &processes_.emplace_back();
45 // Always add 1 to ids, so that they're non-zero.
46 return {id + 1, ptr};
47 }
GetProcess(ProcessId id)48 Process* RowDataTracker::GetProcess(ProcessId id) {
49 PERFETTO_DCHECK(id != kNullId);
50 return &processes_[id - 1];
51 }
52
NewFrame()53 IdPtr<Frame> RowDataTracker::NewFrame() {
54 BacktraceFrameId id = static_cast<BacktraceFrameId>(frames_.size());
55 Frame* ptr = &frames_.emplace_back();
56 // Always add 1 to ids, so that they're non-zero.
57 return {id + 1, ptr};
58 }
GetFrame(BacktraceFrameId id)59 Frame* RowDataTracker::GetFrame(BacktraceFrameId id) {
60 PERFETTO_DCHECK(id != kNullId);
61 return &frames_[id - 1];
62 }
63
NewBacktrace()64 IdPtr<Backtrace> RowDataTracker::NewBacktrace() {
65 BacktraceId id = static_cast<BacktraceId>(backtraces_.size());
66 Backtrace* ptr = &backtraces_.emplace_back();
67 // Always add 1 to ids, so that they're non-zero.
68 return {id + 1, ptr};
69 }
GetBacktrace(BacktraceId id)70 Backtrace* RowDataTracker::GetBacktrace(BacktraceId id) {
71 PERFETTO_DCHECK(id != kNullId);
72 return &backtraces_[id - 1];
73 }
74
NewBinary()75 IdPtr<Binary> RowDataTracker::NewBinary() {
76 BinaryId id = static_cast<BinaryId>(binaries_.size());
77 Binary* ptr = &binaries_.emplace_back();
78 // Always add 1 to ids, so that they're non-zero.
79 return {id + 1, ptr};
80 }
GetBinary(BinaryId id)81 Binary* RowDataTracker::GetBinary(BinaryId id) {
82 // Frames are allowed to have null binaries.
83 if (id == kNullId)
84 return nullptr;
85 return &binaries_[id - 1];
86 }
87
88 } // namespace perfetto::trace_processor::instruments_importer
89