diff options
Diffstat (limited to 'lib/observer/src/crashdump_viewer.erl')
| -rw-r--r-- | lib/observer/src/crashdump_viewer.erl | 266 |
1 files changed, 241 insertions, 25 deletions
diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl index a08d27d070..b66b4d59c9 100644 --- a/lib/observer/src/crashdump_viewer.erl +++ b/lib/observer/src/crashdump_viewer.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 2003-2014. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -63,6 +64,7 @@ allocator_info/0, hash_tables/0, index_tables/0, + schedulers/0, expand_binary/1]). %% Library function @@ -114,6 +116,7 @@ -define(proc_heap,proc_heap). -define(proc_messages,proc_messages). -define(proc_stack,proc_stack). +-define(scheduler,scheduler). -define(timer,timer). -define(visible_node,visible_node). @@ -267,6 +270,8 @@ hash_tables() -> call(hash_tables). index_tables() -> call(index_tables). +schedulers() -> + call(schedulers). %%%----------------------------------------------------------------- %%% Called when a link to a process (Pid) is clicked. @@ -298,6 +303,7 @@ expand_binary(Pos) -> %%-------------------------------------------------------------------- init([]) -> ets:new(cdv_dump_index_table,[ordered_set,named_table,public]), + ets:new(cdv_reg_proc_table,[ordered_set,named_table,public]), {ok, #state{}}. %%-------------------------------------------------------------------- @@ -319,6 +325,8 @@ handle_call(general_info,_From,State=#state{file=File}) -> "Some information might be missing."]; false -> [] end, + ets:insert(cdv_reg_proc_table, + {cdv_dump_node_name,GenInfo#general_info.node_name}), {reply,{ok,GenInfo,TW},State#state{wordsize=WS, num_atoms=NumAtoms}}; handle_call({expand_binary,{Offset,Size,Pos}},_From,State=#state{file=File}) -> Fd = open(File), @@ -428,7 +436,11 @@ handle_call(hash_tables,_From,State=#state{file=File}) -> handle_call(index_tables,_From,State=#state{file=File}) -> IndexTables=index_tables(File), TW = truncated_warning([?hash_table,?index_table]), - {reply,{ok,IndexTables,TW},State}. + {reply,{ok,IndexTables,TW},State}; +handle_call(schedulers,_From,State=#state{file=File}) -> + Schedulers=schedulers(File), + TW = truncated_warning([?scheduler]), + {reply,{ok,Schedulers,TW},State}. @@ -674,9 +686,11 @@ skip(Fd,<<>>) -> val(Fd) -> + val(Fd, "-1"). +val(Fd, NoExist) -> case get_rest_of_line(Fd) of - {eof,[]} -> "-1"; - [] -> "-1"; + {eof,[]} -> NoExist; + [] -> NoExist; {eof,Val} -> Val; Val -> Val end. @@ -925,7 +939,7 @@ general_info(File) -> N; [] -> case lookup_index(?no_distribution) of - [_] -> "nonode@nohost"; + [_] -> "'nonode@nohost'"; [] -> "unknown" end end, @@ -964,6 +978,8 @@ get_general_info(Fd,GenInfo) -> get_general_info(Fd,GenInfo#general_info{taints=Val}); "Atoms" -> get_general_info(Fd,GenInfo#general_info{num_atoms=val(Fd)}); + "Calling Thread" -> + get_general_info(Fd,GenInfo#general_info{thread=val(Fd)}); "=" ++ _next_tag -> GenInfo; Other -> @@ -978,9 +994,20 @@ count() -> %%----------------------------------------------------------------- %% Page with all processes procs_summary(File,WS) -> - ParseFun = fun(Fd,Pid) -> + ParseFun = fun(Fd,Pid0) -> + Pid = list_to_pid(Pid0), Proc = get_procinfo(Fd,fun main_procinfo/5, - #proc{pid=list_to_pid(Pid)},WS), + #proc{pid=Pid},WS), + case Proc#proc.name of + undefined -> + true; + Name -> + %% Registered process - store to allow + %% lookup for timers connected to + %% registered name instead of pid. + ets:insert(cdv_reg_proc_table,{Name,Pid}), + ets:insert(cdv_reg_proc_table,{Pid0,Name}) + end, case Proc#proc.memory of undefined -> Proc#proc{memory=Proc#proc.stack_heap}; _ -> Proc @@ -1119,6 +1146,10 @@ all_procinfo(Fd,Fun,Proc,WS,LineHead) -> "arity = " ++ Arity -> %%! Temporary workaround get_procinfo(Fd,Fun,Proc#proc{arity=Arity--"\r\n"},WS); + "Run queue" -> + get_procinfo(Fd,Fun,Proc#proc{run_queue=val(Fd)},WS); + "Internal State" -> + get_procinfo(Fd,Fun,Proc#proc{int_state=val(Fd)},WS); "=" ++ _next_tag -> Proc; Other -> @@ -1153,6 +1184,19 @@ parse_pid(Str) -> {Pid,Rest} = parse_link(Str,[]), {{Pid,Pid},Rest}. +parse_monitor("{"++Str) -> + %% Named process + {Name,Node,Rest1} = parse_name_node(Str,[]), + Pid = get_pid_from_name(Name,Node), + case parse_link(string:strip(Rest1,left,$,),[]) of + {Ref,"}"++Rest2} -> + %% Bug in break.c - prints an extra "}" for remote + %% nodes... thus the strip + {{Pid,"{"++Name++","++Node++"} ("++Ref++")"}, + string:strip(Rest2,left,$})}; + {Ref,[]} -> + {{Pid,"{"++Name++","++Node++"} ("++Ref++")"},[]} + end; parse_monitor(Str) -> case parse_link(Str,[]) of {Pid,","++Rest1} -> @@ -1174,23 +1218,58 @@ parse_link([],Acc) -> %% truncated {lists:reverse(Acc),[]}. +parse_name_node(","++Rest,Name) -> + parse_name_node(Rest,Name,[]); +parse_name_node([H|T],Name) -> + parse_name_node(T,[H|Name]); +parse_name_node([],Name) -> + %% truncated + {lists:reverse(Name),[],[]}. + +parse_name_node("}"++Rest,Name,Node) -> + {lists:reverse(Name),lists:reverse(Node),Rest}; +parse_name_node([H|T],Name,Node) -> + parse_name_node(T,Name,[H|Node]); +parse_name_node([],Name,Node) -> + %% truncated + {lists:reverse(Name),lists:reverse(Node),[]}. + +get_pid_from_name(Name,Node) -> + case ets:lookup(cdv_reg_proc_table,cdv_dump_node_name) of + [{_,Node}] -> + case ets:lookup(cdv_reg_proc_table,Name) of + [{_,Pid}] when is_pid(Pid) -> + pid_to_list(Pid); + _ -> + "<unkonwn_pid>" + end; + _ -> + "<unknown_pid_other_node>" + end. + maybe_other_node(Id) -> Channel = case split($.,Id) of {"<" ++ N, _Rest} -> N; {"#Port<" ++ N, _Rest} -> - N + N; + {_, []} -> + not_found end, + maybe_other_node2(Channel). + +maybe_other_node2(not_found) -> not_found; +maybe_other_node2(Channel) -> Ms = ets:fun2ms( - fun({{Tag,Start},Ch}) when Tag=:=?visible_node, Ch=:=Channel -> + fun({{Tag,Start},Ch}) when Tag=:=?visible_node, Ch=:=Channel -> {"Visible Node",Start}; ({{Tag,Start},Ch}) when Tag=:=?hidden_node, Ch=:=Channel -> {"Hidden Node",Start}; - ({{Tag,Start},Ch}) when Tag=:=?not_connected, Ch=:=Channel -> + ({{Tag,Start},Ch}) when Tag=:=?not_connected, Ch=:=Channel -> {"Not Connected Node",Start} end), - + case ets:select(cdv_dump_index_table,Ms) of [] -> not_found; @@ -1445,7 +1524,7 @@ get_ets_tables(File,Pid,WS) -> end, lookup_and_parse_index(File,{?ets,Pid},ParseFun,"ets"). -get_etsinfo(Fd,EtsTable,WS) -> +get_etsinfo(Fd,EtsTable = #ets_table{details=Ds},WS) -> case line_head(Fd) of "Slot" -> get_etsinfo(Fd,EtsTable#ets_table{slot=list_to_integer(val(Fd))},WS); @@ -1455,7 +1534,7 @@ get_etsinfo(Fd,EtsTable,WS) -> get_etsinfo(Fd,EtsTable#ets_table{name=val(Fd)},WS); "Ordered set (AVL tree), Elements" -> skip_rest_of_line(Fd), - get_etsinfo(Fd,EtsTable#ets_table{type="tree",buckets="-"},WS); + get_etsinfo(Fd,EtsTable#ets_table{data_type="tree"},WS); "Buckets" -> %% A bug in erl_db_hash.c prints a space after the buckets %% - need to strip the string to make list_to_integer/1 happy. @@ -1470,9 +1549,42 @@ get_etsinfo(Fd,EtsTable,WS) -> -1 -> -1; % probably truncated _ -> Words * WS end, - get_etsinfo(Fd,EtsTable#ets_table{memory=Bytes},WS); + get_etsinfo(Fd,EtsTable#ets_table{memory={bytes,Bytes}},WS); "=" ++ _next_tag -> EtsTable; + "Chain Length Min" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{chain_min=>Val}},WS); + "Chain Length Avg" -> + Val = try list_to_float(string:strip(val(Fd))) catch _:_ -> "-" end, + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{chain_avg=>Val}},WS); + "Chain Length Max" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{chain_max=>Val}},WS); + "Chain Length Std Dev" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{chain_stddev=>Val}},WS); + "Chain Length Expected Std Dev" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{chain_exp_stddev=>Val}},WS); + "Fixed" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{fixed=>Val}},WS); + "Type" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{data_type=Val},WS); + "Protection" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{protection=>Val}},WS); + "Compressed" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{compressed=>Val}},WS); + "Write Concurrency" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{write_c=>Val}},WS); + "Read Concurrency" -> + Val = val(Fd), + get_etsinfo(Fd,EtsTable#ets_table{details=Ds#{read_c=>Val}},WS); Other -> unexpected(Fd,Other,"ETS info"), EtsTable @@ -1495,8 +1607,28 @@ get_internal_ets_tables(File,WS) -> %%----------------------------------------------------------------- %% Page with list of all timers get_timers(File,Pid) -> - ParseFun = fun(Fd,Id) -> get_timerinfo_1(Fd,#timer{pid=list_to_pid(Id)}) end, - lookup_and_parse_index(File,{?timer,Pid},ParseFun,"timers"). + ParseFun = fun(Fd,Id) -> get_timerinfo(Fd,Id) end, + T1 = lookup_and_parse_index(File,{?timer,Pid},ParseFun,"timers"), + T2 = case ets:lookup(cdv_reg_proc_table,Pid) of + [{_,Name}] -> + lookup_and_parse_index(File,{?timer,Name},ParseFun,"timers"); + _ -> + [] + end, + T1 ++ T2. + +get_timerinfo(Fd,Id) -> + case catch list_to_pid(Id) of + Pid when is_pid(Pid) -> + get_timerinfo_1(Fd,#timer{pid=Pid}); + _ -> + case ets:lookup(cdv_reg_proc_table,Id) of + [{_,Pid}] when is_pid(Pid) -> + get_timerinfo_1(Fd,#timer{pid=Pid,name=Id}); + [] -> + get_timerinfo_1(Fd,#timer{name=Id}) + end + end. get_timerinfo_1(Fd,Timer) -> case line_head(Fd) of @@ -2192,6 +2324,89 @@ get_indextableinfo1(Fd,IndexTable) -> IndexTable end. + +%%----------------------------------------------------------------- +%% Page with scheduler table information +schedulers(File) -> + case lookup_index(?scheduler) of + [] -> + []; + Schedulers -> + Fd = open(File), + R = lists:map(fun({Name,Start}) -> + get_schedulerinfo(Fd,Name,Start) + end, + Schedulers), + close(Fd), + R + end. + +get_schedulerinfo(Fd,Name,Start) -> + pos_bof(Fd,Start), + get_schedulerinfo1(Fd,#sched{name=Name}). + +get_schedulerinfo1(Fd,Sched=#sched{details=Ds}) -> + case line_head(Fd) of + "Current Process" -> + get_schedulerinfo1(Fd,Sched#sched{process=val(Fd, "None")}); + "Current Port" -> + get_schedulerinfo1(Fd,Sched#sched{port=val(Fd, "None")}); + "Run Queue Max Length" -> + RQMax = list_to_integer(val(Fd)), + RQ = RQMax + Sched#sched.run_q, + get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}}); + "Run Queue High Length" -> + RQHigh = list_to_integer(val(Fd)), + RQ = RQHigh + Sched#sched.run_q, + get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}}); + "Run Queue Normal Length" -> + RQNorm = list_to_integer(val(Fd)), + RQ = RQNorm + Sched#sched.run_q, + get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}}); + "Run Queue Low Length" -> + RQLow = list_to_integer(val(Fd)), + RQ = RQLow + Sched#sched.run_q, + get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}}); + "Run Queue Port Length" -> + RQ = list_to_integer(val(Fd)), + get_schedulerinfo1(Fd,Sched#sched{port_q=RQ}); + + "Scheduler Sleep Info Flags" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_info=>val(Fd, "None")}}); + "Scheduler Sleep Info Aux Work" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_aux=>val(Fd, "None")}}); + + "Run Queue Flags" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{runq_flags=>val(Fd, "None")}}); + + "Current Process State" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_state=>val(Fd)}}); + "Current Process Internal State" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_int_state=>val(Fd)}}); + "Current Process Program counter" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_prg_cnt=>val(Fd)}}); + "Current Process CP" -> + get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_cp=>val(Fd)}}); + "Current Process Limited Stack Trace" -> + %% If there shall be last in scheduler information block + Sched#sched{details=get_limited_stack(Fd, 0, Ds)}; + "=" ++ _next_tag -> + Sched; + Other -> + unexpected(Fd,Other,"scheduler information"), + Sched + end. + +get_limited_stack(Fd, N, Ds) -> + case val(Fd) of + Addr = "0x" ++ _ -> + get_limited_stack(Fd, N+1, Ds#{{currp_stack, N} => Addr}); + "=" ++ _next_tag -> + Ds; + Line -> + get_limited_stack(Fd, N+1, Ds#{{currp_stack, N} => Line}) + end. + %%%----------------------------------------------------------------- %%% Parse memory in crashdump version 0.1 and newer %%% @@ -2494,6 +2709,7 @@ tag_to_atom("proc_dictionary") -> ?proc_dictionary; tag_to_atom("proc_heap") -> ?proc_heap; tag_to_atom("proc_messages") -> ?proc_messages; tag_to_atom("proc_stack") -> ?proc_stack; +tag_to_atom("scheduler") -> ?scheduler; tag_to_atom("timer") -> ?timer; tag_to_atom("visible_node") -> ?visible_node; tag_to_atom(UnknownTag) -> |