gnomon
gnomon是一个命令行工具，可以标记出另外一个命令执行消耗的时间信息，对一些需要长时间运行的命令特别有效。
安装
先装node.js,然后使用node.js自带的npm安装
npm install -g gnomon
使用
xcodebuild -workspace Live.xcworkspace -scheme Live -archivePath ~/Desktop/Live archive |xcpretty | gnomon
3.3812s ▸ Building Pods/Pods-XAIM [Release]
0.0233s ▸ Check Dependencies
0.2392s ▸ Compiling Pods-XAIM-dummy.m
0.0404s ▸ Compiling Pods-XAIM-dummy.m
0.0121s ▸ Building library libPods-XAIM.a
0.0506s ▸ Building library libPods-XAIM.a
0.0002s ▸ Building Pods/Pods-XADataSource [Release]
0.0024s ▸ Check Dependencies
0.0040s ▸ Compiling Pods-XADataSource-dummy.m
0.0234s ▸ Compiling Pods-XADataSource-dummy.m
0.0104s ▸ Building library libPods-XADataSource.a
0.0356s ▸ Building library libPods-XADataSource.a
0.0002s ▸ Building Live/XASDKBundle [Release]
3.0689s ▸ Check Dependencies
2.5132s ▸ Copying Info.plist
7.5863s ▸ Compiling XALiveShopEffectVC.xib
1.3823s ▸ Compiling XALiveEditHeadVC.xib
0.0050s ▸ Compiling XALiveHomeFooterView.xib
3.2831s ▸ Compiling XALiveEffectCvCell.xib
0.0019s ▸ Compiling XALiveMessageAlertCell.xib
0.0006s ▸ Compiling XALiveSaveHeadVC.xib
2.8839s ▸ Compiling XALiveSessionListCell.xib
2.7045s ▸ Compiling XALiveRechargeCell.xib
0.9492s ▸ Compiling XALiveDynamicCell.xib
0.0009s ▸ Compiling XALiveHomeAdCell.xib
0.0006s ▸ Compiling XALiveRedMoneyListCell.xib
将编译的结果按时间进行排序，就可以知道哪些文件编译比较耗时。
sort -n -k1 result.txt
0.0002s ▸ Building Live/XASDKBundle [Release]
0.0002s ▸ Building Pods/Pods-XADataSource [Release]
0.0006s ▸ Compiling XALiveRedMoneyListCell.xib
0.0006s ▸ Compiling XALiveSaveHeadVC.xib
0.0009s ▸ Compiling XALiveHomeAdCell.xib
0.0019s ▸ Compiling XALiveMessageAlertCell.xib
0.0024s ▸ Check Dependencies
0.0040s ▸ Compiling Pods-XADataSource-dummy.m
0.0050s ▸ Compiling XALiveHomeFooterView.xib
0.0104s ▸ Building library libPods-XADataSource.a
0.0121s ▸ Building library libPods-XAIM.a
0.0233s ▸ Check Dependencies
0.0234s ▸ Compiling Pods-XADataSource-dummy.m
0.0356s ▸ Building library libPods-XADataSource.a
0.0404s ▸ Compiling Pods-XAIM-dummy.m
0.0506s ▸ Building library libPods-XAIM.a
0.2392s ▸ Compiling Pods-XAIM-dummy.m
0.9492s ▸ Compiling XALiveDynamicCell.xib
1.3823s ▸ Compiling XALiveEditHeadVC.xib
2.5132s ▸ Copying Info.plist
2.7045s ▸ Compiling XALiveRechargeCell.xib
2.8839s ▸ Compiling XALiveSessionListCell.xib
3.0689s ▸ Check Dependencies
3.2831s ▸ Compiling XALiveEffectCvCell.xib
3.3812s ▸ Building Pods/Pods-XAIM [Release]
7.5863s ▸ Compiling XALiveShopEffectVC.xib
// 从大到小排列，输入到文件
sort -n -r -k 1 result.txt > sort.txt