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-rw-r--r--lib/tools/src/eprof.erl79
1 files changed, 52 insertions, 27 deletions
diff --git a/lib/tools/src/eprof.erl b/lib/tools/src/eprof.erl
index b70b020550..ca04b28be8 100644
--- a/lib/tools/src/eprof.erl
+++ b/lib/tools/src/eprof.erl
@@ -50,6 +50,7 @@
profiling = false,
pattern = {'_','_','_'},
rootset = [],
+ fd = undefined,
start_ts = undefined,
reply = undefined,
bpd = #bpd{}
@@ -131,32 +132,33 @@ init([]) ->
sum_bp_total_n_us(Mfas) ->
lists:foldl(fun ({_, {Ci,Usi}}, {Co, Uso}) -> {Co + Ci, Uso + Usi} end, {0,0}, Mfas).
-print_bp_mfa(Mfas, {_Tn, Tus}, Opts) ->
- print(["FUNCTION", "CALLS", " %", "TIME", "uS / CALLS"]),
- print(["--------", "-----", "---", "----", "----------"]),
+print_bp_mfa(Mfas, {_Tn, Tus}, Fd, Opts) ->
+ print(Fd, ["FUNCTION", "CALLS", " %", "TIME", "uS / CALLS"]),
+ print(Fd, ["--------", "-----", "---", "----", "----------"]),
lists:foreach(fun
({_, {Count, Time}}) when Count =:= 0; Time < 1 ->
ok;
({Mfa, {Count, Time}}) ->
- print([s(Mfa), s(Count), s("~.2f", [100*(Time/Tus)]), s(Time), s("~.2f", [Time/Count])]),
+ print(Fd, [s(Mfa), s(Count), s("~.2f", [100*(Time/Tus)]), s(Time), s("~.2f", [Time/Count])]),
ok
end, filter_mfa(sort_mfa(Mfas, proplists:get_value(sort, Opts)), proplists:get_value(thresholds, Opts))),
ok.
handle_call({analyze, _, _}, _, #state{ bpd = #bpd{ p = {0,nil}, us = 0, n = 0} = Bpd } = S) when is_record(Bpd, bpd) ->
{reply, nothing_to_analyze, S};
-handle_call({analyze, procs, Opts}, _, #state{ bpd = #bpd{ p = Ps, us = Tus} = Bpd} = S) when is_record(Bpd, bpd) ->
+
+handle_call({analyze, procs, Opts}, _, #state{ bpd = #bpd{ p = Ps, us = Tus} = Bpd, fd = Fd} = S) when is_record(Bpd, bpd) ->
lists:foreach(fun
({Pid, Mfas}) ->
{Pn, Pus} = sum_bp_total_n_us(Mfas),
- io:format("~n****** Process ~w -- ~s % of profiled time *** ~n", [Pid, s("~.2f", [100.0*(Pus/Tus)])]),
- print_bp_mfa(Mfas, {Pn,Pus}, Opts),
+ format(Fd, "~n****** Process ~w -- ~s % of profiled time *** ~n", [Pid, s("~.2f", [100.0*(Pus/Tus)])]),
+ print_bp_mfa(Mfas, {Pn,Pus}, Fd, Opts),
ok
end, gb_trees:to_list(Ps)),
{reply, ok, S};
-handle_call({analyze, total, Opts}, _, #state{ bpd = #bpd{ mfa = Mfas, n = Tn, us = Tus} = Bpd} = S) when is_record(Bpd, bpd) ->
- print_bp_mfa(Mfas, {Tn, Tus}, Opts),
+handle_call({analyze, total, Opts}, _, #state{ bpd = #bpd{ mfa = Mfas, n = Tn, us = Tus} = Bpd, fd = Fd} = S) when is_record(Bpd, bpd) ->
+ print_bp_mfa(Mfas, {Tn, Tus}, Fd, Opts),
{reply, ok, S};
handle_call({analyze, Type, _Opts}, _, S) ->
@@ -167,7 +169,7 @@ handle_call({analyze, Type, _Opts}, _, S) ->
handle_call({profile, _Rootset, _Pattern, _M,_F,_A}, _From, #state{ profiling = true } = S)->
{reply, {error, already_profiling}, S};
-handle_call({profile, Rootset, Pattern, M,F,A}, From, S) ->
+handle_call({profile, Rootset, Pattern, M,F,A}, From, #state{fd = Fd } = S) ->
set_pattern_trace(false, S#state.pattern),
set_process_trace(false, S#state.rootset),
@@ -183,14 +185,15 @@ handle_call({profile, Rootset, Pattern, M,F,A}, From, S) ->
rootset = [Pid|Rootset],
start_ts = T0,
reply = From,
+ fd = Fd,
pattern = Pattern
}};
false ->
exit(Pid, kill),
- {reply, error, #state{}}
+ {reply, error, #state{ fd = Fd}}
end;
-handle_call({profile, Rootset, Pattern}, From, S) ->
+handle_call({profile, Rootset, Pattern}, From, #state{ fd = Fd } = S) ->
set_pattern_trace(false, S#state.pattern),
set_process_trace(false, S#state.rootset),
@@ -204,10 +207,11 @@ handle_call({profile, Rootset, Pattern}, From, S) ->
rootset = Rootset,
start_ts = T0,
reply = From,
+ fd = Fd,
pattern = Pattern
}};
false ->
- {reply, error, #state{}}
+ {reply, error, #state{ fd = Fd }}
end;
handle_call(stop_profiling, _From, #state{ profiling = false } = S) ->
@@ -229,6 +233,19 @@ handle_call(stop_profiling, _From, #state{ profiling = true } = S) ->
bpd = Bpd
}};
+%% logfile
+handle_call({logfile, File}, _From, #state{ fd = OldFd } = S) ->
+ case file:open(File, [write]) of
+ {ok, Fd} ->
+ case OldFd of
+ undefined -> ok;
+ OldFd -> file:close(OldFd)
+ end,
+ {reply, ok, S#state{ fd = Fd}};
+ Error ->
+ {reply, Error, S}
+ end;
+
handle_call(stop, _FromTag, S) ->
{stop, normal, stopped, S}.
@@ -282,11 +299,7 @@ handle_info({_Pid, {answer, Result}}, #state{ reply = {From,_} = FromTag} = S) -
rootset = [],
pattern = {'_','_','_'},
bpd = Bpd
- }};
-
-handle_info(Info, State) ->
- io:format("handle_info: ~p~nstate: ~p~n", [Info,State]),
- {noreply, State}.
+ }}.
%% -------------------------------------------------------------------- %%
%%
@@ -294,7 +307,11 @@ handle_info(Info, State) ->
%%
%% -------------------------------------------------------------------- %%
-terminate(_Reason, _State) ->
+terminate(_Reason, #state{ fd = undefined }) ->
+ set_pattern_trace(false, {'_','_','_'}),
+ ok;
+terminate(_Reason, #state{ fd = Fd }) ->
+ file:close(Fd),
set_pattern_trace(false, {'_','_','_'}),
ok.
@@ -427,11 +444,19 @@ s({M,F,A}) -> s("~w:~w/~w",[M,F,A]);
s(Term) -> s("~p", [Term]).
s(Format, Terms) -> lists:flatten(io_lib:format(Format, Terms)).
-print([_,_,_] = Strings) ->
- print("~.44s ~14s ~14s~n", Strings);
-print([_,_,_,_] = Strings) ->
- print("~.44s ~14s ~14s ~7s ~n", Strings);
-print(Strings) ->
- print("~.44s ~14s ~14s ~7s [~7s]~n", Strings).
-print(Format, Strings) ->
- io:format(Format, Strings).
+print(Fd, [_,_,_] = Strings) ->
+ print(Fd, "~.44s ~14s ~14s~n", Strings);
+print(Fd, [_,_,_,_] = Strings) ->
+ print(Fd, "~.44s ~14s ~14s ~7s ~n", Strings);
+print(Fd, Strings) ->
+ print(Fd, "~.44s ~14s ~14s ~7s [~7s]~n", Strings).
+print(Fd, Format, Strings) ->
+ format(Fd, Format, Strings).
+
+format(undefined, Format, Strings) ->
+ io:format(Format, Strings),
+ ok;
+format(Fd, Format, Strings) ->
+ io:format(Fd, Format, Strings),
+ io:format(Format, Strings),
+ ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 14:49:43 +0000