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-rw-r--r--lib/compiler/src/compile.erl29
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index f4ef6fcebf..0b021073db 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -285,11 +285,20 @@ internal_comp(Passes, File, Suffix, St0) ->
St1 = St0#compile{filename=File, dir=Dir, base=Base,
ifile=erlfile(Dir, Base, Suffix),
ofile=objfile(Base, St0)},
- Run = case member(time, St1#compile.options) of
- true ->
- io:format("Compiling ~tp\n", [File]),
- fun run_tc/2;
- false -> fun({_Name,Fun}, St) -> catch Fun(St) end
+ Opts = St1#compile.options,
+ Run0 = case member(time, Opts) of
+ true ->
+ io:format("Compiling ~tp\n", [File]),
+ fun run_tc/2;
+ false -> fun({_Name,Fun}, St) -> catch Fun(St) end
+ end,
+ Run = case keyfind(eprof, 1, Opts) of
+ {eprof,EprofPass} ->
+ fun(P, St) ->
+ run_eprof(P, EprofPass, St)
+ end;
+ false ->
+ Run0
end,
case fold_comp(Passes, Run, St1) of
{ok,St2} -> comp_ret_ok(St2);
@@ -331,6 +340,16 @@ run_tc({Name,Fun}, St) ->
[Name,(After_c-Before_c) / 1000,Mem]),
Val.
+run_eprof({Name,Fun}, Name, St) ->
+ io:format("~p: Running eprof\n", [Name]),
+ eprof:start_profiling([self()]),
+ Val = (catch Fun(St)),
+ eprof:stop_profiling(),
+ eprof:analyze(),
+ Val;
+run_eprof({_,Fun}, _, St) ->
+ catch Fun(St).
+
comp_ret_ok(#compile{code=Code,warnings=Warn0,module=Mod,options=Opts}=St) ->
case werror(St) of
true ->