diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tools/src/eprof.erl | 91 |
1 files changed, 49 insertions, 42 deletions
diff --git a/lib/tools/src/eprof.erl b/lib/tools/src/eprof.erl index 6c38df8018..2b71b16c82 100644 --- a/lib/tools/src/eprof.erl +++ b/lib/tools/src/eprof.erl @@ -129,42 +129,6 @@ init([]) -> %% analyze -sum_bp_total_n_us(Mfas) -> - lists:foldl(fun ({_, {Ci,Usi}}, {Co, Uso}) -> {Co + Ci, Uso + Usi} end, {0,0}, Mfas). - -string_bp_mfa(Mfas, Tus) -> string_bp_mfa(Mfas, Tus, {0,0,0,0,0}, []). -string_bp_mfa([], _, Ws, Strings) -> {Ws, lists:reverse(Strings)}; -string_bp_mfa([{Mfa, {Count, Time}}|Mfas], Tus, {MfaW, CountW, PercW, TimeW, TpCW}, Strings) -> - Smfa = s(Mfa), - Scount = s(Count), - Stime = s(Time), - Sperc = s("~.2f", [100*(Time/Tus)]), - Stpc = s("~.2f", [Time/Count]), - - string_bp_mfa(Mfas, Tus, { - erlang:max(MfaW, length(Smfa)), - erlang:max(CountW,length(Scount)), - erlang:max(PercW, length(Sperc)), - erlang:max(TimeW, length(Stime)), - erlang:max(TpCW, length(Stpc)) - }, [[Smfa, Scount, Sperc, Stime, Stpc] | Strings]). - -print_bp_mfa(Mfas, {_Tn, Tus}, Fd, Opts) -> - Fmfas = filter_mfa(sort_mfa(Mfas, proplists:get_value(sort, Opts)), proplists:get_value(thresholds, Opts)), - {{MfaW, CountW, PercW, TimeW, TpCW}, Strs} = string_bp_mfa(Fmfas, Tus), - Ws = { - erlang:max(length("FUNCTION"), MfaW), - erlang:max(length("CALLS"), CountW), - erlang:max(length(" %"), PercW), - erlang:max(length("TIME"), TimeW), - erlang:max(length("uS / CALLS"), TpCW) - }, - print(Fd, Ws, ["FUNCTION", "CALLS", " %", "TIME", "uS / CALLS"]), - print(Fd, Ws, ["--------", "-----", "---", "----", "----------"]), - - lists:foreach(fun (String) -> print(Fd, Ws, String) end, Strs), - 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}; @@ -187,7 +151,7 @@ handle_call({analyze, Type, _Opts}, _, S) -> %% profile -handle_call({profile, _Rootset, _Pattern, _M,_F,_A}, _From, #state{ profiling = true } = 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, #state{fd = Fd } = S) -> @@ -214,6 +178,9 @@ handle_call({profile, Rootset, Pattern, M,F,A}, From, #state{fd = Fd } = S) -> {reply, error, #state{ fd = Fd}} end; +handle_call({profile, _Rootset, _Pattern}, _From, #state{ profiling = true } = S) -> + {reply, {error, already_profiling}, S}; + handle_call({profile, Rootset, Pattern}, From, #state{ fd = Fd } = S) -> set_pattern_trace(false, S#state.pattern), @@ -443,18 +410,22 @@ collect_bpdfp(Mfa, Tree, Data) -> end, {0,0, Tree}, Data). %% manipulators - -sort_mfa(Bpfs, ascending) when is_list(Bpfs) -> +sort_mfa(Bpfs, mfa) when is_list(Bpfs) -> lists:sort(fun - ({_,{_,A}}, {_,{_,B}}) when A > B -> true; + ({A,_}, {B,_}) when A < B -> true; (_, _) -> false end, Bpfs); -sort_mfa(Bpfs, descending) when is_list(Bpfs) -> +sort_mfa(Bpfs, time) when is_list(Bpfs) -> + lists:sort(fun + ({_,{A,_}}, {_,{B,_}}) when A < B -> true; + (_, _) -> false + end, Bpfs); +sort_mfa(Bpfs, calls) when is_list(Bpfs) -> lists:sort(fun ({_,{_,A}}, {_,{_,B}}) when A < B -> true; (_, _) -> false end, Bpfs); -sort_mfa(Bpfs, _) when is_list(Bpfs) -> sort_mfa(Bpfs, ascending). +sort_mfa(Bpfs, _) when is_list(Bpfs) -> sort_mfa(Bpfs, calls). filter_mfa(Bpfs, Ts) when is_list(Ts) -> filter_mfa(Bpfs, [], proplists:get_value(calls, Ts, 0), proplists:get_value(time, Ts, 0)); @@ -463,8 +434,44 @@ filter_mfa([], Out, _, _) -> lists:reverse(Out); filter_mfa([{_, {C, T}}=Bpf|Bpfs], Out, Ct, Tt) when C >= Ct, T >= Tt -> filter_mfa(Bpfs, [Bpf|Out], Ct, Tt); filter_mfa([_|Bpfs], Out, Ct, Tt) -> filter_mfa(Bpfs, Out, Ct, Tt). +sum_bp_total_n_us(Mfas) -> + lists:foldl(fun ({_, {Ci,Usi}}, {Co, Uso}) -> {Co + Ci, Uso + Usi} end, {0,0}, Mfas). + %% strings and format +string_bp_mfa(Mfas, Tus) -> string_bp_mfa(Mfas, Tus, {0,0,0,0,0}, []). +string_bp_mfa([], _, Ws, Strings) -> {Ws, lists:reverse(Strings)}; +string_bp_mfa([{Mfa, {Count, Time}}|Mfas], Tus, {MfaW, CountW, PercW, TimeW, TpCW}, Strings) -> + Smfa = s(Mfa), + Scount = s(Count), + Stime = s(Time), + Sperc = s("~.2f", [100*(Time/Tus)]), + Stpc = s("~.2f", [Time/Count]), + + string_bp_mfa(Mfas, Tus, { + erlang:max(MfaW, length(Smfa)), + erlang:max(CountW,length(Scount)), + erlang:max(PercW, length(Sperc)), + erlang:max(TimeW, length(Stime)), + erlang:max(TpCW, length(Stpc)) + }, [[Smfa, Scount, Sperc, Stime, Stpc] | Strings]). + +print_bp_mfa(Mfas, {_Tn, Tus}, Fd, Opts) -> + Fmfas = filter_mfa(sort_mfa(Mfas, proplists:get_value(sort, Opts)), proplists:get_value(filter, Opts)), + {{MfaW, CountW, PercW, TimeW, TpCW}, Strs} = string_bp_mfa(Fmfas, Tus), + Ws = { + erlang:max(length("FUNCTION"), MfaW), + erlang:max(length("CALLS"), CountW), + erlang:max(length(" %"), PercW), + erlang:max(length("TIME"), TimeW), + erlang:max(length("uS / CALLS"), TpCW) + }, + print(Fd, Ws, ["FUNCTION", "CALLS", " %", "TIME", "uS / CALLS"]), + print(Fd, Ws, ["--------", "-----", "---", "----", "----------"]), + + lists:foreach(fun (String) -> print(Fd, Ws, String) end, Strs), + ok. + 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)). |