Package driver implements the core pprof functionality. It can be parameterized with a flag implementation, fetch and symbolize mechanisms.
AddCommand adds an additional command to the set of commands accepted by pprof. This enables extensions to add new commands for specialized visualization formats. If the command specified already exists, it is overwritten.
PProf acquires a profile, and symbolizes it using a profile manager. Then it generates a report formatted according to the options selected through the flags package.
SetVariableDefault sets the default value for a pprof variable. This enables extensions to set their own defaults.
PostProcessor is a function that applies post-processing to the report output