Handler returns an HTTP handler that serves the named profile.

Cmdline responds with the running program's command line, with arguments separated by NUL bytes.

Index responds with the pprof-formatted profile named by the request.

Profile responds with the pprof-formatted cpu profile.

Symbol looks up the program counters listed in the request, responding with a table mapping program counters to function names.

Trace responds with the execution trace in binary form.