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/traced/probes/ftrace/event_info_constants.h"
18
19 namespace perfetto {
20 using protozero::proto_utils::ProtoSchemaType;
21
MakeField(const char * name,uint32_t id,ProtoSchemaType type)22 Field MakeField(const char* name, uint32_t id, ProtoSchemaType type) {
23 Field field{};
24 field.ftrace_name = name;
25 field.proto_field_id = id;
26 field.proto_field_type = type;
27 return field;
28 }
29
GetStaticCommonFieldsInfo()30 std::vector<Field> GetStaticCommonFieldsInfo() {
31 std::vector<Field> fields;
32
33 fields.push_back(MakeField("common_pid", 2, ProtoSchemaType::kInt32));
34
35 return fields;
36 }
37
SetTranslationStrategy(FtraceFieldType ftrace,ProtoSchemaType proto,TranslationStrategy * out)38 bool SetTranslationStrategy(FtraceFieldType ftrace,
39 ProtoSchemaType proto,
40 TranslationStrategy* out) {
41 if (ftrace == kFtraceCommonPid32 && proto == ProtoSchemaType::kInt32) {
42 *out = kCommonPid32ToInt32;
43 } else if (ftrace == kFtraceCommonPid32 && proto == ProtoSchemaType::kInt64) {
44 *out = kCommonPid32ToInt64;
45 } else if (ftrace == kFtraceInode32 && proto == ProtoSchemaType::kUint64) {
46 *out = kInode32ToUint64;
47 } else if (ftrace == kFtraceInode64 && proto == ProtoSchemaType::kUint64) {
48 *out = kInode64ToUint64;
49 } else if (ftrace == kFtracePid32 && proto == ProtoSchemaType::kInt32) {
50 *out = kPid32ToInt32;
51 } else if (ftrace == kFtracePid32 && proto == ProtoSchemaType::kInt64) {
52 *out = kPid32ToInt64;
53 } else if (ftrace == kFtraceDevId32 && proto == ProtoSchemaType::kUint64) {
54 *out = kDevId32ToUint64;
55 } else if (ftrace == kFtraceDevId64 && proto == ProtoSchemaType::kUint64) {
56 *out = kDevId64ToUint64;
57 } else if (ftrace == kFtraceUint8 && proto == ProtoSchemaType::kUint32) {
58 *out = kUint8ToUint32;
59 } else if (ftrace == kFtraceUint8 && proto == ProtoSchemaType::kUint64) {
60 *out = kUint8ToUint64;
61 } else if (ftrace == kFtraceUint16 && proto == ProtoSchemaType::kUint32) {
62 *out = kUint16ToUint32;
63 } else if (ftrace == kFtraceUint16 && proto == ProtoSchemaType::kUint64) {
64 *out = kUint16ToUint64;
65 } else if (ftrace == kFtraceUint32 && proto == ProtoSchemaType::kUint32) {
66 *out = kUint32ToUint32;
67 } else if (ftrace == kFtraceUint32 && proto == ProtoSchemaType::kUint64) {
68 *out = kUint32ToUint64;
69 } else if (ftrace == kFtraceUint64 && proto == ProtoSchemaType::kUint64) {
70 *out = kUint64ToUint64;
71 } else if (ftrace == kFtraceInt8 && proto == ProtoSchemaType::kInt32) {
72 *out = kInt8ToInt32;
73 } else if (ftrace == kFtraceInt8 && proto == ProtoSchemaType::kInt64) {
74 *out = kInt8ToInt64;
75 } else if (ftrace == kFtraceInt16 && proto == ProtoSchemaType::kInt32) {
76 *out = kInt16ToInt32;
77 } else if (ftrace == kFtraceInt16 && proto == ProtoSchemaType::kInt64) {
78 *out = kInt16ToInt64;
79 } else if (ftrace == kFtraceInt32 && proto == ProtoSchemaType::kInt32) {
80 *out = kInt32ToInt32;
81 } else if (ftrace == kFtraceInt32 && proto == ProtoSchemaType::kInt64) {
82 *out = kInt32ToInt64;
83 } else if (ftrace == kFtraceInt64 && proto == ProtoSchemaType::kInt64) {
84 *out = kInt64ToInt64;
85 } else if (ftrace == kFtraceFixedCString &&
86 proto == ProtoSchemaType::kString) {
87 *out = kFixedCStringToString;
88 } else if (ftrace == kFtraceCString && proto == ProtoSchemaType::kString) {
89 *out = kCStringToString;
90 } else if (ftrace == kFtraceStringPtr && proto == ProtoSchemaType::kString) {
91 *out = kStringPtrToString;
92 } else if (ftrace == kFtraceBool && proto == ProtoSchemaType::kUint32) {
93 *out = kBoolToUint32;
94 } else if (ftrace == kFtraceBool && proto == ProtoSchemaType::kUint64) {
95 *out = kBoolToUint64;
96 } else if (ftrace == kFtraceDataLoc && proto == ProtoSchemaType::kString) {
97 *out = kDataLocToString;
98 } else {
99 PERFETTO_DLOG("No translation strategy for '%s' -> '%s'", ToString(ftrace),
100 ProtoSchemaToString(proto));
101 return false;
102 }
103 return true;
104 }
105
106 } // namespace perfetto
107