1 /*
2 * Copyright 2019 Google Inc.
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 * https://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 package trebuchet.util.slices
18
19 data class SliceContents(val name: String, val value: String?)
20
21 const val SLICE_NAME_ACTIVITY_DESTROY = "activityDestroy"
22 const val SLICE_NAME_ACTIVITY_PAUSE = "activityPause"
23 const val SLICE_NAME_ACTIVITY_RESUME = "activityResume"
24 const val SLICE_NAME_ACTIVITY_START = "activityStart"
25 const val SLICE_NAME_ACTIVITY_THREAD_MAIN = "ActivityThreadMain"
26 const val SLICE_NAME_APP_IMAGE_INTERN_STRING = "AppImage:InternString"
27 const val SLICE_NAME_APP_IMAGE_LOADING = "AppImage:Loading"
28 const val SLICE_NAME_APP_LAUNCH = "launching"
29 const val SLICE_NAME_ALTERNATE_DEX_OPEN_START = "Dex file open"
30 const val SLICE_NAME_BIND_APPLICATION = "bindApplication"
31 const val SLICE_NAME_DRAWING = "drawing"
32 const val SLICE_NAME_INFLATE = "inflate"
33 const val SLICE_NAME_OPEN_DEX_FILE_FUNCTION = "std::unique_ptr<const DexFile> art::OatDexFile::OpenDexFile(std::string *) const"
34 const val SLICE_NAME_OBFUSCATED_TRACE_START = "X."
35 const val SLICE_NAME_POST_FORK = "PostFork"
36 const val SLICE_NAME_PROC_START = "Start proc"
37 const val SLICE_NAME_REPORT_FULLY_DRAWN = "ActivityManager:ReportingFullyDrawn"
38 const val SLICE_NAME_ZYGOTE_INIT = "ZygoteInit"
39
40 val SLICE_MAPPERS = arrayOf(
41 Regex("^(Collision check)"),
42 Regex("^(launching):\\s+([\\w\\.])+"),
43 Regex("^(Lock contention).*"),
44 Regex("^(monitor contention).*"),
45 Regex("^(NetworkSecurityConfigProvider.install)"),
46 Regex("^(notifyContentCapture\\((?:true|false)\\))\\sfor\\s(.*)"),
47 Regex("^(Open dex file)(?: from RAM)? ([\\w\\./]*)"),
48 Regex("^(Open oat file)\\s+(.*)"),
49 Regex("^(RegisterDexFile)\\s+(.*)"),
50 Regex("^($SLICE_NAME_REPORT_FULLY_DRAWN)\\s+(.*)"),
51 Regex("^(serviceCreate):.*className=([\\w\\.]+)"),
52 Regex("^(serviceStart):.*cmp=([\\w\\./]+)"),
53 Regex("^(Setup proxies)"),
54 Regex("^($SLICE_NAME_PROC_START):\\s+(.*)"),
55 Regex("^(SuspendThreadByThreadId) suspended (.+)$"),
56 Regex("^(VerifyClass)(.*)"),
57
58 // Default pattern for slices with a single-word name.
59 Regex("^([\\w:]+)$")
60 )
61
parseSliceNamenull62 fun parseSliceName(sliceString: String): SliceContents {
63 when {
64 // Handle special cases.
65 sliceString == SLICE_NAME_OPEN_DEX_FILE_FUNCTION -> return SliceContents("Open dex file function invocation", null)
66 sliceString.startsWith(SLICE_NAME_ALTERNATE_DEX_OPEN_START) -> return SliceContents("Open dex file", sliceString.split(" ").last().trim())
67 sliceString.startsWith(SLICE_NAME_OBFUSCATED_TRACE_START) -> return SliceContents("Obfuscated trace point", null)
68 sliceString[0] == '/' -> return SliceContents("Load Dex files from classpath", null)
69
70 else -> {
71 // Search the slice mapping patterns.
72 for (pattern in SLICE_MAPPERS) {
73 val matchResult = pattern.find(sliceString)
74
75 if (matchResult != null) {
76 val sliceType = matchResult.groups[1]!!.value.trim()
77
78 val sliceDetails =
79 if (matchResult.groups.size > 2 && !matchResult.groups[2]!!.value.isEmpty()) {
80 matchResult.groups[2]!!.value.trim()
81 } else {
82 null
83 }
84
85 return SliceContents(sliceType, sliceDetails)
86 }
87 }
88
89 return SliceContents("Unknown Slice", sliceString)
90 }
91 }
92
93 }