diff options
Diffstat (limited to 'lib/tools/src/eprof.erl')
| -rw-r--r-- | lib/tools/src/eprof.erl | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/lib/tools/src/eprof.erl b/lib/tools/src/eprof.erl index 535ddbcd04..86e3d3a8b8 100644 --- a/lib/tools/src/eprof.erl +++ b/lib/tools/src/eprof.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2017. All Rights Reserved. +%% Copyright Ericsson AB 1996-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -26,11 +26,11 @@ -export([start/0, stop/0, - dump/0, + dump/0, dump_data/0, start_profiling/1, start_profiling/2, start_profiling/3, profile/1, profile/2, profile/3, profile/4, profile/5, stop_profiling/0, - analyze/0, analyze/1, analyze/2, + analyze/0, analyze/1, analyze/2, analyze/4, log/1]). %% Internal exports @@ -117,6 +117,9 @@ profile(Rootset, M, F, A, Pattern, Options) -> dump() -> gen_server:call(?MODULE, dump, infinity). +dump_data() -> + gen_server:call(?MODULE, dump_data, infinity). + log(File) -> gen_server:call(?MODULE, {logfile, File}, infinity). @@ -151,22 +154,18 @@ init([]) -> %% analyze -handle_call({analyze, _, _}, _, #state{ bpd = #bpd{ p = {0,nil}, us = 0, n = 0} = Bpd } = S) when is_record(Bpd, bpd) -> +handle_call( + {analyze, _, _}, _, + #state{ bpd = #bpd{ p = {0,nil}, us = 0, n = 0 } } = S) -> {reply, nothing_to_analyze, S}; -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), - format(Fd, "~n****** Process ~w -- ~s % of profiled time *** ~n", [Pid, s("~.2f", [100.0*divide(Pus,Tus)])]), - print_bp_mfa(Mfas, {Pn,Pus}, Fd, Opts), - ok - end, gb_trees:to_list(Ps)), - {reply, ok, S}; +handle_call({analyze, procs, Opts}, _, #state{ bpd = Bpd, fd = Fd } = S) + when is_record(Bpd, bpd) -> + {reply, analyze(Fd, procs, Opts, Bpd), S}; -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, total, Opts}, _, #state{ bpd = Bpd, fd = Fd } = S) + when is_record(Bpd, bpd) -> + {reply, analyze(Fd, total, Opts, Bpd), S}; handle_call({analyze, Type, _Opts}, _, S) -> {reply, {error, {undefined, Type}}, S}; @@ -260,6 +259,10 @@ handle_call({logfile, File}, _From, #state{ fd = OldFd } = S) -> handle_call(dump, _From, #state{ bpd = Bpd } = S) when is_record(Bpd, bpd) -> {reply, gb_trees:to_list(Bpd#bpd.p), S}; +handle_call(dump_data, _, #state{ bpd = #bpd{} = Bpd } = S) + when is_record(Bpd, bpd) -> + {reply, Bpd, S}; + handle_call(stop, _FromTag, S) -> {stop, normal, stopped, S}. @@ -438,6 +441,23 @@ collect_bpdfp(Mfa, Tree, Data) -> {PTno + Ni, PTuso + Time, Ti1} end, {0,0, Tree}, Data). + + +analyze(Fd, procs, Opts, #bpd{ p = Ps, us = Tus }) -> + lists:foreach( + fun + ({Pid, Mfas}) -> + {Pn, Pus} = sum_bp_total_n_us(Mfas), + format( + Fd, + "~n****** Process ~w -- ~s % of profiled time *** ~n", + [Pid, s("~.2f", [100.0*divide(Pus, Tus)])]), + print_bp_mfa(Mfas, {Pn,Pus}, Fd, Opts), + ok + end, gb_trees:to_list(Ps)); +analyze(Fd, total, Opts, #bpd{ mfa = Mfas, n = Tn, us = Tus } ) -> + print_bp_mfa(Mfas, {Tn, Tus}, Fd, Opts). + %% manipulators sort_mfa(Bpfs, mfa) when is_list(Bpfs) -> lists:sort(fun |