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xprof

1.1.0
2.0.0-rc.5 2.0.0-rc.4 2.0.0-rc.3 2.0.0-rc.2 2.0.0-rc.1 2.0.0-rc.0 1.3.0 1.2.2 1.2.1 1.2.0 1.1.0

Visual tracer and profiler for BEAM languages

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xprof src xprof_lib.erl
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src/xprof_lib.erl 

-module(xprof_lib).



-export([mfa2atom/1, mfaspec2id/1, now2epoch/1]).



-spec mfa2atom(xprof_tracer:mfaspec() | xprof_tracer:mfaid()) ->

                      xprof_tracer:mfaname().

mfa2atom({M, F, {_MSOff, _MSOn}}) ->

    mfa2atom({M, F, '*'});

mfa2atom({M, F, '*'}) ->

    list_to_atom(string:join(["xprof_", atom_to_list(M),

                              atom_to_list(F), "*"], "_"));

mfa2atom({M,F,A}) ->

    list_to_atom(string:join(["xprof_", atom_to_list(M),

                              atom_to_list(F), integer_to_list(A)], "_")).





-spec mfaspec2id(xprof:mfaspec()) -> xprof:mfaid().

mfaspec2id({M, F, {_, _}})

  when is_atom(M), is_atom(F) ->

    {M, F, '*'};

mfaspec2id({M, F, A} = MFA)

  when is_atom(M), is_atom(F), is_integer(A) ->

    MFA.



now2epoch({MS, S, _US}) ->

    MS * 1000000 + S.