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re-init for fast clone
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everettjf committed Dec 19, 2018
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40 changes: 40 additions & 0 deletions .gitattributes
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catapult/* linguist-vendored
sampledata/* linguist-vendored
sample/* linguist-vendored

#sources
*.c text
*.cc text
*.cxx text
*.cpp text
*.c++ text
*.hpp text
*.h text
*.h++ text
*.hh text

# Compiled Object files
*.slo binary
*.lo binary
*.o binary
*.obj binary

# Precompiled Headers
*.gch binary
*.pch binary

# Compiled Dynamic libraries
*.so binary
*.dylib binary
*.dll binary

# Compiled Static libraries
*.lai binary
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# Executables
*.exe binary
*.out binary
*.app binary
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*.xcuserstate
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.DS_Store
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loader/AppleTraceLoader.mm
loader/Packages/
loader/AppleTraceLoader/Package/Library/MobileSubstrate/DynamicLibraries/AppleTraceLoader.dylib
appletrace/appletrace.xcodeproj/project.xcworkspace/xcuserdata/
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21 changes: 21 additions & 0 deletions LICENSE
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MIT License

Copyright (c) 2017 everettjf

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
118 changes: 118 additions & 0 deletions README.md
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# AppleTrace
Trace tool for iOS/macOS

`AppleTrace` is developed for analyzing app's performance on `iOS/macOS`.

![logo](/image/appletrace-small.png)

- [中文说明,开发思路及方法](http://everettjf.com/2017/09/21/appletrace/)
- [搭载MonkeyDev可trace第三方App](http://everettjf.com/2017/10/12/appletrace-dancewith-monkeydev/)

![appletrace](https://everettjf.github.io/stuff/appletrace/appletrace.gif)


## Feature

1. User-defined trace section.
2. Trace Objective C methods.

## FAQ

[Go to Wiki](https://github.com/everettjf/AppleTrace/wiki)

## Clone

```
git clone https://github.com/everettjf/AppleTrace.git
```

For stable release , please refer to [Releases](https://github.com/everettjf/AppleTrace/releases)

## Usage

1. Produce trace data.
2. Copy from app's sandbox directory.
3. Merge (all) trace data files into one file `trace.json`. (There may be more than 1 trace file.)
4. Generate `trace.html` based on `trace.json`.

See below for more detail.

### 1. Produce


Until now , there are 2 ways for generating trace data.

(1) Manual set section.

Call `APTBeginSection` at the beginning of method ,and `APTEndSection` at the end of method. For Objective C method (whether instance method or class method), there are `APTBegin` and `APTEnd` macro for easy coding.

```
void anyKindsOfMethod{
APTBeginSection("process");
// some code
APTEndSection("process");
}
- (void)anyObjectiveCMethod{
APTBegin;
// some code
APTEnd;
}
```

Sample app is `sample/ManualSectionDemo`.

(2) Dynamic library hooking all objc_msgSend.

Hooking all objc_msgSend methods (based on HookZz). This only support arm64 under debugger ( lldb).

Sample app is `sample/TraceAllMsgDemo`.

### 2. Copy

Using any kinds of method, copy `<app's sandbox>/Library/appletracedata` out of Simulator/RealDevice.

![appletracedata](image/appletracedata.png)


### 3. Merge

Merge/Preprocess the `appletracedata`.

```
python merge.py -d <appletracedata directory>
```

This will produce `trace.json` in appletracedata directory.

NOW !!!, you could drop `trace.json` into Chrome's `chrome://tracing`. Or if you want to generate a html result, continue to the 4th step.

### 4. Generate

Run `sh get_catapult.sh` to get catapult source.

Then generate `trace.html` using `catapult`.

```
python catapult/tracing/bin/trace2html appletracedata/trace.json --output=appletracedata/trace.html
open trace.html
```

*trace.html only support Chrome*

## SampleData

Open `sampledata/trace.html` using Chrome.

## Thanks

1. HookZz : https://github.com/jmpews/HookZz
2. catapult : https://github.com/catapult-project/catapult

## Group

欢迎关注微信订阅号,更多有趣的性能优化点点滴滴。

![fun](https://everettjf.github.io/images/fun.jpg)


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