| cmd/internal/objfile | Package objfile implements portable access to OS-specific executable files. |
| cmd/internal/pprof/commands | |
| cmd/internal/pprof/driver | |
| cmd/internal/pprof/fetch | |
| cmd/internal/pprof/plugin | |
| cmd/internal/pprof/profile | |
| cmd/internal/pprof/symbolizer | |
| cmd/internal/pprof/symbolz | |
| debug/dwarf | Package dwarf provides access to DWARF debugging information loaded from executable files, as defined in the DWARF 2.0 Standard at http://dwarfstd.org/doc/dwarf-2.0.0.pdf. |
| debug/gosym | Package gosym implements access to the Go symbol and line number tables embedded in Go binaries generated by the gc compilers. |
| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| net/url | Package url parses URLs and implements query escaping. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| regexp | Package regexp implements regular expression search. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |