1 /*
2 * Copyright (C) 2018 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/ftrace_reader/event_info_constants.h"
18
19 namespace perfetto {
20
MakeField(const char * name,uint32_t id,ProtoFieldType type)21 Field MakeField(const char* name, uint32_t id, ProtoFieldType type) {
22 Field field{};
23 field.ftrace_name = name;
24 field.proto_field_id = id;
25 field.proto_field_type = type;
26 return field;
27 }
28
GetStaticCommonFieldsInfo()29 std::vector<Field> GetStaticCommonFieldsInfo() {
30 std::vector<Field> fields;
31
32 fields.push_back(MakeField("common_pid", 2, kProtoInt32));
33
34 return fields;
35 }
36
SetTranslationStrategy(FtraceFieldType ftrace,ProtoFieldType proto,TranslationStrategy * out)37 bool SetTranslationStrategy(FtraceFieldType ftrace,
38 ProtoFieldType proto,
39 TranslationStrategy* out) {
40 if (ftrace == kFtraceCommonPid32 && proto == kProtoInt32) {
41 *out = kCommonPid32ToInt32;
42 } else if (ftrace == kFtraceInode32 && proto == kProtoUint64) {
43 *out = kInode32ToUint64;
44 } else if (ftrace == kFtraceInode64 && proto == kProtoUint64) {
45 *out = kInode64ToUint64;
46 } else if (ftrace == kFtracePid32 && proto == kProtoInt32) {
47 *out = kPid32ToInt32;
48 } else if (ftrace == kFtraceDevId32 && proto == kProtoUint64) {
49 *out = kDevId32ToUint64;
50 } else if (ftrace == kFtraceDevId64 && proto == kProtoUint64) {
51 *out = kDevId64ToUint64;
52 } else if (ftrace == kFtraceUint8 && proto == kProtoUint32) {
53 *out = kUint8ToUint32;
54 } else if (ftrace == kFtraceUint16 && proto == kProtoUint32) {
55 *out = kUint16ToUint32;
56 } else if (ftrace == kFtraceUint32 && proto == kProtoUint32) {
57 *out = kUint32ToUint32;
58 } else if (ftrace == kFtraceUint32 && proto == kProtoUint64) {
59 *out = kUint32ToUint64;
60 } else if (ftrace == kFtraceUint64 && proto == kProtoUint64) {
61 *out = kUint64ToUint64;
62 } else if (ftrace == kFtraceInt8 && proto == kProtoInt32) {
63 *out = kInt8ToInt32;
64 } else if (ftrace == kFtraceInt16 && proto == kProtoInt32) {
65 *out = kInt16ToInt32;
66 } else if (ftrace == kFtraceInt32 && proto == kProtoInt32) {
67 *out = kInt32ToInt32;
68 } else if (ftrace == kFtraceInt32 && proto == kProtoInt64) {
69 *out = kInt32ToInt64;
70 } else if (ftrace == kFtraceInt64 && proto == kProtoInt64) {
71 *out = kInt64ToInt64;
72 } else if (ftrace == kFtraceFixedCString && proto == kProtoString) {
73 *out = kFixedCStringToString;
74 } else if (ftrace == kFtraceCString && proto == kProtoString) {
75 *out = kCStringToString;
76 } else if (ftrace == kFtraceStringPtr && proto == kProtoString) {
77 *out = kStringPtrToString;
78 } else if (ftrace == kFtraceBool && proto == kProtoUint32) {
79 *out = kBoolToUint32;
80 } else {
81 PERFETTO_DLOG("No translation strategy for '%s' -> '%s'", ToString(ftrace),
82 ToString(proto));
83 return false;
84 }
85 return true;
86 }
87
88 } // namespace perfetto
89