perf supports a simple JIT interface to resolve symbols for dynamic code generatedby a JIT.The JIT has to write a /tmp/perf-%d.map (%d = pid of process) fileThis is a text file.Each line has the following format, fields separated with spaces:START SIZE symbolnameSTART and SIZE are hex numbers without 0x.symbolname is the rest of the line, so it could contain special characters.The ownership of the file has to match the process.