diff options
Diffstat (limited to 'lib/tools')
| -rw-r--r-- | lib/tools/src/eprof.erl | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/lib/tools/src/eprof.erl b/lib/tools/src/eprof.erl index b3cedbc725..6c38df8018 100644 --- a/lib/tools/src/eprof.erl +++ b/lib/tools/src/eprof.erl @@ -132,16 +132,37 @@ init([]) -> 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) -> - print(Fd, ["FUNCTION", "CALLS", " %", "TIME", "uS / CALLS"]), - print(Fd, ["--------", "-----", "---", "----", "----------"]), - lists:foreach(fun - ({_, {Count, Time}}) when Count =:= 0; Time < 1 -> - ok; - ({Mfa, {Count, Time}}) -> - 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))), + 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) -> @@ -448,6 +469,7 @@ 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(Fd, [_,_,_] = Strings) -> print(Fd, "~.44s ~14s ~14s~n", Strings); print(Fd, [_,_,_,_] = Strings) -> @@ -457,6 +479,9 @@ print(Fd, Strings) -> print(Fd, Format, Strings) -> format(Fd, Format, Strings). + +format(Fd, {MfaW, CountW, PercW, TimeW, TpCW}, Strings) -> + format(Fd, s("~~.~ps ~~~ps ~~~ps ~~~ps [~~~ps]~~n", [MfaW, CountW, PercW, TimeW, TpCW]), Strings); format(undefined, Format, Strings) -> io:format(Format, Strings), ok; |