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| Commit | Line | Data |
|---|---|---|
| a8d431d1 SK |
1 | -module(beam_stats_ets_table). |
| 2 | ||
| 3 | -include("include/beam_stats_ets_table.hrl"). | |
| 4 | ||
| 5 | -export_type( | |
| 6 | [ t/0 | |
| 7 | , id/0 | |
| 8 | ]). | |
| 9 | ||
| 10 | -export( | |
| 11 | [ of_id/1 | |
| 12 | , id_to_bin/1 | |
| 13 | ]). | |
| 14 | ||
| 15 | -type id() :: | |
| 16 | atom() | |
| 17 | | ets:tid() | |
| 18 | % integer() is just a workaround, to let us mock ets:tid(), which is | |
| 19 | % opaque, but represented as an integer, without Dialyzer complaining. | |
| 20 | | integer() | |
| 21 | . | |
| 22 | ||
| 23 | -type t() :: | |
| 24 | #?MODULE{}. | |
| 25 | ||
| 26 | -spec of_id(id()) -> | |
| 27 | t(). | |
| 28 | of_id(ID) -> | |
| aa4143aa SK |
29 | WordSize = beam_stats_source:erlang_system_info(wordsize), |
| 30 | NumberOfWords = beam_stats_source:ets_info(ID, memory), | |
| a8d431d1 SK |
31 | NumberOfBytes = NumberOfWords * WordSize, |
| 32 | #?MODULE | |
| 33 | { id = ID | |
| aa4143aa SK |
34 | , name = beam_stats_source:ets_info(ID, name) |
| 35 | , size = beam_stats_source:ets_info(ID, size) | |
| a8d431d1 SK |
36 | , memory = NumberOfBytes |
| 37 | }. | |
| 38 | ||
| 39 | -spec id_to_bin(atom() | ets:tid()) -> | |
| 40 | binary(). | |
| 41 | id_to_bin(ID) when is_atom(ID) -> | |
| 42 | atom_to_binary(ID, latin1); | |
| 43 | id_to_bin(ID) when is_integer(ID) -> | |
| 44 | integer_to_binary(ID). |