抓取应用启动过程中trace信息，在stop stracing的时候控制台出现错误提示，如下

[renzhenming]

Android 12的机型

C:\Users\admin>java -jar D:\application\platform_tools\platform-tools\btrace\btrace.jar -a com.rzm.huace.testbtrace -t 10 -o D:\application\platform_tools\platform-tools\btrace\output.pb -r rhea.all sched -fullClassName
07-15 17:00:39.401 I RheaTrace : workspace clear: D:\application\platform_tools\platform-tools\btrace\rheatrace.workspace
07-15 17:00:40.336 I RheaTrace : os version is 31. default capture is PerfettoCapture
07-15 17:00:41.196 RheaTrace : start tracing...
07-15 17:00:51.651 RheaTrace : stop tracing...
07-15 17:00:58.033 RheaTrace : MaxAppTraceBufferSize usage 53808/500000000 (0%)
07-15 17:00:58.879 I RheaTrace : reuse cached mapping:C:\Users\admin.rheatrace_mapping\e5ea9d32-0cc0-454a-9358-7533ecb0089b
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 5
at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
at java.base/java.lang.String.substring(String.java:1874)
at com.bytedance.rheatrace.processor.core.AppTraceProcessor.processDraft(AppTraceProcessor.java:116)
at com.bytedance.rheatrace.processor.core.AppTraceProcessor.getATrace(AppTraceProcessor.java:98)
at com.bytedance.rheatrace.processor.core.AbstractTraceGenerator.generate(AbstractTraceGenerator.java:33)
at com.bytedance.rheatrace.processor.perfetto.PerfettoCapture.process(PerfettoCapture.java:95)
at com.bytedance.rheatrace.processor.Main.main(Main.java:108)

[mzule]

这是 binder 监控的脚本兼容性问题，可以去掉 rhea.all 试试，这个问题我们处理下。