A trace trick

Posted: August 16, 2009 in Android, Java, Mobile
Tags: ,

This is form one he many hard-working Google Android engineers. a trace file is only so big, about 5 megabytes. Thus, while it might be big enough to record traces in one method its nto big enough to contain all traces of a program. So we set a variable to use in the file-name and incremented it:

 // start tracing to "/sdcard/calc.trace"
   Int b = a+1;
   String aString = Integer.toString(b);
    // ...
    // stop tracing

Very simple and effective. If you want to get fancy y0u can prefix a prefix like the word trace.

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