diff options
Diffstat (limited to 'lib/observer')
| -rw-r--r-- | lib/observer/doc/src/Makefile | 25 | ||||
| -rw-r--r-- | lib/observer/doc/src/fascicules.xml | 18 | ||||
| -rw-r--r-- | lib/observer/doc/src/note.gif | bin | 1539 -> 0 bytes | |||
| -rw-r--r-- | lib/observer/doc/src/part_notes.xml | 39 | ||||
| -rw-r--r-- | lib/observer/doc/src/part_notes_history.xml | 39 | ||||
| -rw-r--r-- | lib/observer/src/cdv_bin_cb.erl | 2 | ||||
| -rw-r--r-- | lib/observer/src/crashdump_viewer.erl | 575 | ||||
| -rw-r--r-- | lib/observer/src/observer_html_lib.erl | 6 | ||||
| -rw-r--r-- | lib/observer/src/observer_lib.erl | 8 | ||||
| -rw-r--r-- | lib/observer/src/observer_trace_wx.erl | 2 | ||||
| -rw-r--r-- | lib/observer/test/crashdump_helper.erl | 52 | ||||
| -rw-r--r-- | lib/observer/test/crashdump_viewer_SUITE.erl | 152 |
12 files changed, 594 insertions, 324 deletions
diff --git a/lib/observer/doc/src/Makefile b/lib/observer/doc/src/Makefile index b38278a156..11bfee1bdb 100644 --- a/lib/observer/doc/src/Makefile +++ b/lib/observer/doc/src/Makefile @@ -9,11 +9,11 @@ # 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. -# +# # The Initial Developer of the Original Code is Ericsson Utvecklings AB. # Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings # AB. All Rights Reserved.'' -# +# # $Id$ # include $(ERL_TOP)/make/target.mk @@ -45,17 +45,15 @@ XML_REF3_FILES = \ XML_REF6_FILES = observer_app.xml XML_PART_FILES = \ - part.xml \ - part_notes.xml \ - part_notes_history.xml + part.xml XML_CHAPTER_FILES = \ + introduction_ug.xml \ crashdump_ug.xml \ etop_ug.xml \ observer_ug.xml \ ttb_ug.xml \ - notes.xml \ - notes_history.xml + notes.xml BOOK_FILES = book.xml @@ -69,9 +67,7 @@ ONLY_HTML_FILE = GIF_FILES = \ et_processes.gif \ - et_modsprocs.gif \ - note.gif - + et_modsprocs.gif # ---------------------------------------------------- HTML_FILES = $(XML_APPLICATION_FILES:%.xml=$(HTMLDIR)/%.html) \ @@ -88,9 +84,9 @@ HTML_REF_MAN_FILE = $(HTMLDIR)/index.html TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf # ---------------------------------------------------- -# FLAGS +# FLAGS # ---------------------------------------------------- -XML_FLAGS += +XML_FLAGS += # ---------------------------------------------------- # Targets @@ -123,12 +119,12 @@ man: $(MAN1_FILES) $(MAN3_FILES) $(MAN6_FILES) gifs: $(GIF_FILES:%=$(HTMLDIR)/%) -debug opt: +debug opt: # ---------------------------------------------------- # Release Target -# ---------------------------------------------------- +# ---------------------------------------------------- include $(ERL_TOP)/make/otp_release_targets.mk @@ -148,4 +144,3 @@ release_docs_spec: docs release_spec: - diff --git a/lib/observer/doc/src/fascicules.xml b/lib/observer/doc/src/fascicules.xml deleted file mode 100644 index 37feca543f..0000000000 --- a/lib/observer/doc/src/fascicules.xml +++ /dev/null @@ -1,18 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE fascicules SYSTEM "fascicules.dtd"> - -<fascicules> - <fascicule file="part" href="part_frame.html" entry="no"> - User's Guide - </fascicule> - <fascicule file="ref_man" href="ref_man_frame.html" entry="yes"> - Reference Manual - </fascicule> - <fascicule file="part_notes" href="part_notes_frame.html" entry="no"> - Release Notes - </fascicule> - <fascicule file="" href="../../../../doc/print.html" entry="no"> - Off-Print - </fascicule> -</fascicules> - diff --git a/lib/observer/doc/src/note.gif b/lib/observer/doc/src/note.gif Binary files differdeleted file mode 100644 index 6fffe30419..0000000000 --- a/lib/observer/doc/src/note.gif +++ /dev/null diff --git a/lib/observer/doc/src/part_notes.xml b/lib/observer/doc/src/part_notes.xml deleted file mode 100644 index ba15c39cda..0000000000 --- a/lib/observer/doc/src/part_notes.xml +++ /dev/null @@ -1,39 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE part SYSTEM "part.dtd"> - -<part xmlns:xi="http://www.w3.org/2001/XInclude"> - <header> - <copyright> - <year>2004</year><year>2016</year> - <holder>Ericsson AB. All Rights Reserved.</holder> - </copyright> - <legalnotice> - 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. - - </legalnotice> - - <title>Observer Release Notes</title> - <prepared></prepared> - <docno></docno> - <date></date> - <rev></rev> - </header> - <description> - <p>The <em>OBSERVER</em> application contains tools for tracing - and investigation of distributed systems.</p> - <p>For information about older versions, see - <url href="part_notes_history_frame.html">Release Notes History</url>.</p> - </description> - <xi:include href="notes.xml"/> -</part> - diff --git a/lib/observer/doc/src/part_notes_history.xml b/lib/observer/doc/src/part_notes_history.xml deleted file mode 100644 index e60210924c..0000000000 --- a/lib/observer/doc/src/part_notes_history.xml +++ /dev/null @@ -1,39 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE part SYSTEM "part.dtd"> - -<part> - <header> - <copyright> - <year>2006</year> - <year>2016</year> - <holder>Ericsson AB, All Rights Reserved</holder> - </copyright> - <legalnotice> - 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. - - The Initial Developer of the Original Code is Ericsson AB. - </legalnotice> - - <title>Observer Release Notes History</title> - <prepared></prepared> - <docno></docno> - <date></date> - <rev></rev> - </header> - <description> - <p>The <em>OBSERVER</em> application contains tools for tracing - and investigation of distributed systems.</p> - </description> - <include file="notes_history"></include> -</part> - diff --git a/lib/observer/src/cdv_bin_cb.erl b/lib/observer/src/cdv_bin_cb.erl index 5502869973..a4a542297c 100644 --- a/lib/observer/src/cdv_bin_cb.erl +++ b/lib/observer/src/cdv_bin_cb.erl @@ -71,6 +71,8 @@ hex_binary_fun(Bin) -> plain_html(io_lib:format("~s",[S])) end. +format_hex(<<>>,_) -> + []; format_hex(<<B1:4,B2:4>>,_) -> [integer_to_list(B1,16),integer_to_list(B2,16)]; format_hex(<<B1:4,B2:4,Bin/binary>>,0) -> diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl index 95e12887cd..feaec5c678 100644 --- a/lib/observer/src/crashdump_viewer.erl +++ b/lib/observer/src/crashdump_viewer.erl @@ -26,10 +26,25 @@ %% Tables %% ------ %% cdv_dump_index_table: This table holds all tags read from the -%% crashdump. Each tag indicates where the information about a -%% specific item starts. The table entry for a tag includes the start -%% position for this item-information. In a crash dump file, all tags -%% start with a "=" at the beginning of a line. +%% crashdump, except the 'binary' tag. Each tag indicates where the +%% information about a specific item starts. The table entry for a +%% tag includes the start position for this item-information. In a +%% crash dump file, all tags start with a "=" at the beginning of a +%% line. +%% +%% cdv_binary_index_table: This table holds all 'binary' tags. The hex +%% address for each binary is converted to its integer value before +%% storing Address -> Start Position in this table. The hex value of +%% the address is never used for lookup. +%% +%% cdv_reg_proc_table: This table holds mappings between pid and +%% registered name. This is used for timers and monitors. +%% +%% cdv_heap_file_chars: For each 'proc_heap' and 'literals' tag, this +%% table contains the number of characters to read from the crash dump +%% file. This is used for giving an indication in percent of the +%% progress when parsing this data. +%% %% %% Process state %% ------------- @@ -73,6 +88,9 @@ -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]). +%% Test support +-export([get_dump_versions/0]). + %% Debug support -export([debug/1,stop_debug/0]). @@ -87,7 +105,10 @@ % line_head/1 function can return -define(not_available,"N/A"). -define(binary_size_progress_limit,10000). +-define(max_dump_version,[0,5]). +%% The value of the next define must be divisible by 4. +-define(base64_chunk_size, (4*256)). %% All possible tags - use macros in order to avoid misspelling in the code -define(abort,abort). @@ -104,6 +125,7 @@ -define(index_table,index_table). -define(instr_data,instr_data). -define(internal_ets,internal_ets). +-define(literals,literals). -define(loaded_modules,loaded_modules). -define(memory,memory). -define(memory_map,memory_map). @@ -125,6 +147,7 @@ -record(state,{file,dump_vsn,wordsize=4,num_atoms="unknown"}). +-record(dec_opts, {bin_addr_adj=0,base64=true}). %%%----------------------------------------------------------------- %%% Debugging @@ -293,6 +316,11 @@ port(Id) -> expand_binary(Pos) -> call({expand_binary,Pos}). +%%%----------------------------------------------------------------- +%%% For testing only - called from crashdump_viewer_SUITE +get_dump_versions() -> + call(get_dump_versions). + %%==================================================================== %% Server functions %%==================================================================== @@ -342,10 +370,12 @@ handle_call(general_info,_From,State=#state{file=File}) -> 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}) -> +handle_call({expand_binary,{Offset,Size,Pos}},_From, + #state{file=File,dump_vsn=DumpVsn}=State) -> Fd = open(File), pos_bof(Fd,Pos), - {Bin,_Line} = get_binary(Offset,Size,bytes(Fd)), + DecodeOpts = get_decode_opts(DumpVsn), + {Bin,_Line} = get_binary(Offset,Size,bytes(Fd),DecodeOpts), close(Fd), {reply,{ok,Bin},State}; handle_call(procs_summary,_From,State=#state{file=File,wordsize=WS}) -> @@ -418,9 +448,11 @@ handle_call(loaded_mods,_From,State=#state{file=File}) -> TW = truncated_warning([?mod]), {_CC,_OC,Mods} = loaded_mods(File), {reply,{ok,Mods,TW},State}; -handle_call({loaded_mod_details,Mod},_From,State=#state{file=File}) -> +handle_call({loaded_mod_details,Mod},_From, + #state{dump_vsn=DumpVsn,file=File}=State) -> TW = truncated_warning([{?mod,Mod}]), - ModInfo = get_loaded_mod_details(File,Mod), + DecodeOpts = get_decode_opts(DumpVsn), + ModInfo = get_loaded_mod_details(File,Mod,DecodeOpts), {reply,{ok,ModInfo,TW},State}; handle_call(funs,_From,State=#state{file=File}) -> TW = truncated_warning([?fu]), @@ -454,8 +486,9 @@ handle_call(index_tables,_From,State=#state{file=File}) -> handle_call(schedulers,_From,State=#state{file=File}) -> Schedulers=schedulers(File), TW = truncated_warning([?scheduler]), - {reply,{ok,Schedulers,TW},State}. - + {reply,{ok,Schedulers,TW},State}; +handle_call(get_dump_versions,_From,State=#state{dump_vsn=DumpVsn}) -> + {reply,{ok,{?max_dump_version,DumpVsn}},State}. %%-------------------------------------------------------------------- @@ -780,11 +813,12 @@ parse_vsn_str(Str,WS) -> %%%----------------------------------------------------------------- -%%% Traverse crash dump and insert index in table for each heading -%%% -%%% Progress is reported during the time and MUST be checked with -%%% crashdump_viewer:get_progress/0 until it returns {ok,done}. +%%% Traverse crash dump and insert index in table for each heading. +%%% Progress is reported during the time. do_read_file(File) -> + erase(?literals), %Clear literal cache. + put(truncated,false), %Not truncated (yet). + erase(truncated_reason), %Not truncated (yet). case file:read_file_info(File) of {ok,#file_info{type=regular, access=FileA, @@ -796,17 +830,21 @@ do_read_file(File) -> {Tag,Id,Rest,N1} = tag(Fd,TagAndRest,1), case Tag of ?erl_crash_dump -> - reset_tables(), - insert_index(Tag,Id,N1+1), - put_last_tag(Tag,""), - DumpVsn = [list_to_integer(L) || - L<-string:tokens(Id,".")], - AddrAdj = get_bin_addr_adj(DumpVsn), - indexify(Fd,AddrAdj,Rest,N1), - end_progress(), - check_if_truncated(), - close(Fd), - {ok,DumpVsn}; + case check_dump_version(Id) of + {ok,DumpVsn} -> + reset_tables(), + insert_index(Tag,Id,N1+1), + put_last_tag(Tag,""), + DecodeOpts = get_decode_opts(DumpVsn), + indexify(Fd,DecodeOpts,Rest,N1), + end_progress(), + check_if_truncated(), + close(Fd), + {ok,DumpVsn}; + Error -> + close(Fd), + Error + end; _Other -> R = io_lib:format( "~ts is not an Erlang crash dump~n", @@ -834,7 +872,19 @@ do_read_file(File) -> {error,R} end. -indexify(Fd,AddrAdj,Bin,N) -> +check_dump_version(Vsn) -> + DumpVsn = [list_to_integer(L) || L<-string:tokens(Vsn,".")], + if DumpVsn > ?max_dump_version -> + Info = + "This Crashdump Viewer is too old for the given " + "Erlang crash dump. Please use a newer version of " + "Crashdump Viewer.", + {error,Info}; + true -> + {ok,DumpVsn} + end. + +indexify(Fd,DecodeOpts,Bin,N) -> case binary:match(Bin,<<"\n=">>) of {Start,Len} -> Pos = Start+Len, @@ -847,7 +897,7 @@ indexify(Fd,AddrAdj,Bin,N) -> %% order to minimize lookup time. Key is the %% translated address. {HexAddr,_} = get_hex(Id), - Addr = HexAddr bor AddrAdj, + Addr = HexAddr bor DecodeOpts#dec_opts.bin_addr_adj, insert_binary_index(Addr,NewPos); _ -> insert_index(Tag,Id,NewPos) @@ -856,9 +906,22 @@ indexify(Fd,AddrAdj,Bin,N) -> {?proc_heap,LastId} -> [{_,LastPos}] = lookup_index(?proc_heap,LastId), ets:insert(cdv_heap_file_chars,{LastId,N+Start+1-LastPos}); + {?literals,[]} -> + case get(truncated_reason) of + undefined -> + [{_,LastPos}] = lookup_index(?literals,[]), + ets:insert(cdv_heap_file_chars, + {literals,N+Start+1-LastPos}); + _ -> + %% Literals are truncated. Make sure we never + %% attempt to read in the literals. (Heaps that + %% references literals will show markers for + %% incomplete heaps, but will otherwise work.) + delete_index(?literals, []) + end; _ -> ok end, - indexify(Fd,AddrAdj,Rest,N1); + indexify(Fd,DecodeOpts,Rest,N1); nomatch -> case progress_read(Fd) of {ok,Chunk0} when is_binary(Chunk0) -> @@ -869,7 +932,7 @@ indexify(Fd,AddrAdj,Bin,N) -> _ -> {Chunk0,N+byte_size(Bin)} end, - indexify(Fd,AddrAdj,Chunk,N1); + indexify(Fd,DecodeOpts,Chunk,N1); eof -> eof end @@ -908,6 +971,7 @@ check_if_truncated() -> find_truncated_proc({Tag,_Id}) when Tag==?atoms; Tag==?binary; Tag==?instr_data; + Tag==?literals; Tag==?memory_status; Tag==?memory_map -> put(truncated_proc,false); @@ -1065,7 +1129,7 @@ get_proc_details(File,Pid,WS,DumpVsn) -> {{Stack,MsgQ,Dict},TW} = case truncated_warning([{?proc,Pid}]) of [] -> - {expand_memory(Fd,Pid,DumpVsn),[]}; + expand_memory(Fd,Pid,DumpVsn); TW0 -> {{[],[],[]},TW0} end, @@ -1384,50 +1448,85 @@ maybe_other_node2(Channel) -> expand_memory(Fd,Pid,DumpVsn) -> - BinAddrAdj = get_bin_addr_adj(DumpVsn), + DecodeOpts = get_decode_opts(DumpVsn), put(fd,Fd), - Dict = read_heap(Fd,Pid,BinAddrAdj,gb_trees:empty()), - Expanded = {read_stack_dump(Fd,Pid,BinAddrAdj,Dict), - read_messages(Fd,Pid,BinAddrAdj,Dict), - read_dictionary(Fd,Pid,BinAddrAdj,Dict)}, + Dict0 = case get(?literals) of + undefined -> + Literals = read_literals(Fd,DecodeOpts), + put(?literals,Literals), + put(fd,Fd), + Literals; + Literals -> + Literals + end, + Dict = read_heap(Fd,Pid,DecodeOpts,Dict0), + Expanded = {read_stack_dump(Fd,Pid,DecodeOpts,Dict), + read_messages(Fd,Pid,DecodeOpts,Dict), + read_dictionary(Fd,Pid,DecodeOpts,Dict)}, erase(fd), - Expanded. - -%%%----------------------------------------------------------------- -%%% This is a workaround for a bug in dump versions prior to 0.3: -%%% Addresses were truncated to 32 bits. This could cause binaries to -%%% get the same address as heap terms in the dump. To work around it -%%% we always store binaries on very high addresses in the gb_tree. -get_bin_addr_adj(DumpVsn) when DumpVsn < [0,3] -> - 16#f bsl 64; -get_bin_addr_adj(_) -> - 0. + IncompleteWarning = + case erase(incomplete_heap) of + undefined -> + []; + true -> + ["WARNING: This process has an incomplete heap. " + "Some information might be missing."] + end, + {Expanded,IncompleteWarning}. + +read_literals(Fd,DecodeOpts) -> + case lookup_index(?literals,[]) of + [{_,Start}] -> + [{_,Chars}] = ets:lookup(cdv_heap_file_chars,literals), + init_progress("Reading literals",Chars), + pos_bof(Fd,Start), + read_heap(DecodeOpts,gb_trees:empty()); + [] -> + gb_trees:empty() + end. + +get_decode_opts(DumpVsn) -> + BinAddrAdj = if + DumpVsn < [0,3] -> + %% This is a workaround for a bug in dump + %% versions prior to 0.3: Addresses were + %% truncated to 32 bits. This could cause + %% binaries to get the same address as heap + %% terms in the dump. To work around it we + %% always store binaries on very high + %% addresses in the gb_tree. + 16#f bsl 64; + true -> + 0 + end, + Base64 = DumpVsn >= [0,5], + #dec_opts{bin_addr_adj=BinAddrAdj,base64=Base64}. %%% %%% Read top level section. %%% -read_stack_dump(Fd,Pid,BinAddrAdj,Dict) -> +read_stack_dump(Fd,Pid,DecodeOpts,Dict) -> case lookup_index(?proc_stack,Pid) of [{_,Start}] -> pos_bof(Fd,Start), - read_stack_dump1(Fd,BinAddrAdj,Dict,[]); + read_stack_dump1(Fd,DecodeOpts,Dict,[]); [] -> [] end. -read_stack_dump1(Fd,BinAddrAdj,Dict,Acc) -> +read_stack_dump1(Fd,DecodeOpts,Dict,Acc) -> %% This function is never called if the dump is truncated in {?proc_heap,Pid} case bytes(Fd) of "=" ++ _next_tag -> lists:reverse(Acc); Line -> - Stack = parse_top(Line,BinAddrAdj,Dict), - read_stack_dump1(Fd,BinAddrAdj,Dict,[Stack|Acc]) + Stack = parse_top(Line,DecodeOpts,Dict), + read_stack_dump1(Fd,DecodeOpts,Dict,[Stack|Acc]) end. -parse_top(Line0, BinAddrAdj, D) -> +parse_top(Line0, DecodeOpts, D) -> {Label,Line1} = get_label(Line0), - {Term,Line,D} = parse_term(Line1, BinAddrAdj, D), + {Term,Line,D} = parse_term(Line1, DecodeOpts, D), [] = skip_blanks(Line), {Label,Term}. @@ -1435,27 +1534,27 @@ parse_top(Line0, BinAddrAdj, D) -> %%% Read message queue. %%% -read_messages(Fd,Pid,BinAddrAdj,Dict) -> +read_messages(Fd,Pid,DecodeOpts,Dict) -> case lookup_index(?proc_messages,Pid) of [{_,Start}] -> pos_bof(Fd,Start), - read_messages1(Fd,BinAddrAdj,Dict,[]); + read_messages1(Fd,DecodeOpts,Dict,[]); [] -> [] end. -read_messages1(Fd,BinAddrAdj,Dict,Acc) -> +read_messages1(Fd,DecodeOpts,Dict,Acc) -> %% This function is never called if the dump is truncated in {?proc_heap,Pid} case bytes(Fd) of "=" ++ _next_tag -> lists:reverse(Acc); Line -> - Msg = parse_message(Line,BinAddrAdj,Dict), - read_messages1(Fd,BinAddrAdj,Dict,[Msg|Acc]) + Msg = parse_message(Line,DecodeOpts,Dict), + read_messages1(Fd,DecodeOpts,Dict,[Msg|Acc]) end. -parse_message(Line0, BinAddrAdj, D) -> - {Msg,":"++Line1,_} = parse_term(Line0, BinAddrAdj, D), - {Token,Line,_} = parse_term(Line1, BinAddrAdj, D), +parse_message(Line0, DecodeOpts, D) -> + {Msg,":"++Line1,_} = parse_term(Line0, DecodeOpts, D), + {Token,Line,_} = parse_term(Line1, DecodeOpts, D), [] = skip_blanks(Line), {Msg,Token}. @@ -1463,26 +1562,26 @@ parse_message(Line0, BinAddrAdj, D) -> %%% Read process dictionary %%% -read_dictionary(Fd,Pid,BinAddrAdj,Dict) -> +read_dictionary(Fd,Pid,DecodeOpts,Dict) -> case lookup_index(?proc_dictionary,Pid) of [{_,Start}] -> pos_bof(Fd,Start), - read_dictionary1(Fd,BinAddrAdj,Dict,[]); + read_dictionary1(Fd,DecodeOpts,Dict,[]); [] -> [] end. -read_dictionary1(Fd,BinAddrAdj,Dict,Acc) -> +read_dictionary1(Fd,DecodeOpts,Dict,Acc) -> %% This function is never called if the dump is truncated in {?proc_heap,Pid} case bytes(Fd) of "=" ++ _next_tag -> lists:reverse(Acc); Line -> - Msg = parse_dictionary(Line,BinAddrAdj,Dict), - read_dictionary1(Fd,BinAddrAdj,Dict,[Msg|Acc]) + Msg = parse_dictionary(Line,DecodeOpts,Dict), + read_dictionary1(Fd,DecodeOpts,Dict,[Msg|Acc]) end. -parse_dictionary(Line0, BinAddrAdj, D) -> - {Entry,Line,_} = parse_term(Line0, BinAddrAdj, D), +parse_dictionary(Line0, DecodeOpts, D) -> + {Entry,Line,_} = parse_term(Line0, DecodeOpts, D), [] = skip_blanks(Line), Entry. @@ -1490,18 +1589,18 @@ parse_dictionary(Line0, BinAddrAdj, D) -> %%% Read heap data. %%% -read_heap(Fd,Pid,BinAddrAdj,Dict0) -> +read_heap(Fd,Pid,DecodeOpts,Dict0) -> case lookup_index(?proc_heap,Pid) of [{_,Pos}] -> [{_,Chars}] = ets:lookup(cdv_heap_file_chars,Pid), init_progress("Reading process heap",Chars), pos_bof(Fd,Pos), - read_heap(BinAddrAdj,Dict0); + read_heap(DecodeOpts,Dict0); [] -> Dict0 end. -read_heap(BinAddrAdj,Dict0) -> +read_heap(DecodeOpts,Dict0) -> %% This function is never called if the dump is truncated in {?proc_heap,Pid} case get(fd) of end_of_heap -> @@ -1515,14 +1614,14 @@ read_heap(BinAddrAdj,Dict0) -> Dict0; Line -> update_progress(length(Line)+1), - Dict = parse(Line,BinAddrAdj,Dict0), - read_heap(BinAddrAdj,Dict) + Dict = parse(Line,DecodeOpts,Dict0), + read_heap(DecodeOpts,Dict) end end. -parse(Line0, BinAddrAdj, Dict0) -> +parse(Line0, DecodeOpts, Dict0) -> {Addr,":"++Line1} = get_hex(Line0), - {_Term,Line,Dict} = parse_heap_term(Line1, Addr, BinAddrAdj, Dict0), + {_Term,Line,Dict} = parse_heap_term(Line1, Addr, DecodeOpts, Dict0), [] = skip_blanks(Line), Dict. @@ -1842,12 +1941,15 @@ get_nodeinfo(Fd,Nod) -> %%----------------------------------------------------------------- %% Page with details about one loaded modules -get_loaded_mod_details(File,Mod) -> +get_loaded_mod_details(File,Mod,DecodeOpts) -> [{_,Start}] = lookup_index(?mod,Mod), Fd = open(File), pos_bof(Fd,Start), InitLM = #loaded_mod{mod=Mod,old_size="No old code exists"}, - ModInfo = get_loaded_mod_info(Fd,InitLM,fun all_modinfo/3), + Fun = fun(F, LM, LineHead) -> + all_modinfo(F, LM, LineHead, DecodeOpts) + end, + ModInfo = get_loaded_mod_info(Fd,InitLM,Fun), close(Fd), ModInfo. @@ -1905,59 +2007,44 @@ get_loaded_mod_info(Fd,LM,Fun) -> main_modinfo(_Fd,LM,_LineHead) -> LM. -all_modinfo(Fd,LM,LineHead) -> +all_modinfo(Fd,LM,LineHead,DecodeOpts) -> case LineHead of "Current attributes" -> - Str = hex_to_str(bytes(Fd,"")), + Str = get_attribute(Fd, DecodeOpts), LM#loaded_mod{current_attrib=Str}; "Current compilation info" -> - Str = hex_to_str(bytes(Fd,"")), + Str = get_attribute(Fd, DecodeOpts), LM#loaded_mod{current_comp_info=Str}; "Old attributes" -> - Str = hex_to_str(bytes(Fd,"")), + Str = get_attribute(Fd, DecodeOpts), LM#loaded_mod{old_attrib=Str}; "Old compilation info" -> - Str = hex_to_str(bytes(Fd,"")), + Str = get_attribute(Fd, DecodeOpts), LM#loaded_mod{old_comp_info=Str}; Other -> unexpected(Fd,Other,"loaded modules info"), LM end. - -hex_to_str(Hex) -> - Term = hex_to_term(Hex,[]), - io_lib:format("~tp~n",[Term]). - -hex_to_term([X,Y|Hex],Acc) -> - MS = hex_to_dec([X]), - LS = hex_to_dec([Y]), - Z = 16*MS+LS, - hex_to_term(Hex,[Z|Acc]); -hex_to_term([],Acc) -> - Bin = list_to_binary(lists:reverse(Acc)), - case catch binary_to_term(Bin) of - {'EXIT',_Reason} -> - {"WARNING: The term is probably truncated!", - "I can not do binary_to_term.", - Bin}; - Term -> - Term - end; -hex_to_term(Rest,Acc) -> - {"WARNING: The term is probably truncated!", - "I can not convert hex to term.", - Rest,list_to_binary(lists:reverse(Acc))}. - - -hex_to_dec("F") -> 15; -hex_to_dec("E") -> 14; -hex_to_dec("D") -> 13; -hex_to_dec("C") -> 12; -hex_to_dec("B") -> 11; -hex_to_dec("A") -> 10; -hex_to_dec(N) -> list_to_integer(N). - +get_attribute(Fd, DecodeOpts) -> + Bytes = bytes(Fd, ""), + try get_binary(Bytes, DecodeOpts) of + {Bin,_} -> + try binary_to_term(Bin) of + Term -> + io_lib:format("~tp~n",[Term]) + catch + _:_ -> + {"WARNING: The term is probably truncated!", + "I cannot do binary_to_term/1.", + Bin} + end + catch + _:_ -> + {"WARNING: The term is probably truncated!", + "I cannot convert to binary.", + Bytes} + end. %%----------------------------------------------------------------- %% Page with list of all funs @@ -2514,99 +2601,134 @@ get_limited_stack(Fd, N, Ds) -> %%%----------------------------------------------------------------- %%% Parse memory in crashdump version 0.1 and newer %%% -parse_heap_term([$l|Line0], Addr, BinAddrAdj, D0) -> %Cons cell. - {H,"|"++Line1,D1} = parse_term(Line0, BinAddrAdj, D0), - {T,Line,D2} = parse_term(Line1, BinAddrAdj, D1), +parse_heap_term([$l|Line0], Addr, DecodeOpts, D0) -> %Cons cell. + {H,"|"++Line1,D1} = parse_term(Line0, DecodeOpts, D0), + {T,Line,D2} = parse_term(Line1, DecodeOpts, D1), Term = [H|T], D = gb_trees:insert(Addr, Term, D2), {Term,Line,D}; -parse_heap_term([$t|Line0], Addr, BinAddrAdj, D) -> %Tuple +parse_heap_term([$t|Line0], Addr, DecodeOpts, D) -> %Tuple {N,":"++Line} = get_hex(Line0), - parse_tuple(N, Line, Addr, BinAddrAdj, D, []); -parse_heap_term([$F|Line0], Addr, _BinAddrAdj, D0) -> %Float + parse_tuple(N, Line, Addr, DecodeOpts, D, []); +parse_heap_term([$F|Line0], Addr, _DecodeOpts, D0) -> %Float {N,":"++Line1} = get_hex(Line0), {Chars,Line} = get_chars(N, Line1), Term = list_to_float(Chars), D = gb_trees:insert(Addr, Term, D0), {Term,Line,D}; -parse_heap_term("B16#"++Line0, Addr, _BinAddrAdj, D0) -> %Positive big number. +parse_heap_term("B16#"++Line0, Addr, _DecodeOpts, D0) -> %Positive big number. {Term,Line} = get_hex(Line0), D = gb_trees:insert(Addr, Term, D0), {Term,Line,D}; -parse_heap_term("B-16#"++Line0, Addr, _BinAddrAdj, D0) -> %Negative big number +parse_heap_term("B-16#"++Line0, Addr, _DecodeOpts, D0) -> %Negative big number {Term0,Line} = get_hex(Line0), Term = -Term0, D = gb_trees:insert(Addr, Term, D0), {Term,Line,D}; -parse_heap_term("B"++Line0, Addr, _BinAddrAdj, D0) -> %Decimal big num +parse_heap_term("B"++Line0, Addr, _DecodeOpts, D0) -> %Decimal big num case string:to_integer(Line0) of {Int,Line} when is_integer(Int) -> D = gb_trees:insert(Addr, Int, D0), {Int,Line,D} end; -parse_heap_term([$P|Line0], Addr, _BinAddrAdj, D0) -> % External Pid. +parse_heap_term([$P|Line0], Addr, _DecodeOpts, D0) -> % External Pid. {Pid0,Line} = get_id(Line0), Pid = ['#CDVPid'|Pid0], D = gb_trees:insert(Addr, Pid, D0), {Pid,Line,D}; -parse_heap_term([$p|Line0], Addr, _BinAddrAdj, D0) -> % External Port. +parse_heap_term([$p|Line0], Addr, _DecodeOpts, D0) -> % External Port. {Port0,Line} = get_id(Line0), Port = ['#CDVPort'|Port0], D = gb_trees:insert(Addr, Port, D0), {Port,Line,D}; -parse_heap_term("E"++Line0, Addr, _BinAddrAdj, D0) -> %Term encoded in external format. - {Bin,Line} = get_binary(Line0), +parse_heap_term("E"++Line0, Addr, DecodeOpts, D0) -> %Term encoded in external format. + {Bin,Line} = get_binary(Line0, DecodeOpts), Term = binary_to_term(Bin), D = gb_trees:insert(Addr, Term, D0), {Term,Line,D}; -parse_heap_term("Yh"++Line0, Addr, _BinAddrAdj, D0) -> %Heap binary. - {Term,Line} = get_binary(Line0), +parse_heap_term("Yh"++Line0, Addr, DecodeOpts, D0) -> %Heap binary. + {Term,Line} = get_binary(Line0, DecodeOpts), D = gb_trees:insert(Addr, Term, D0), {Term,Line,D}; -parse_heap_term("Yc"++Line0, Addr, BinAddrAdj, D0) -> %Reference-counted binary. +parse_heap_term("Yc"++Line0, Addr, DecodeOpts, D0) -> %Reference-counted binary. {Binp0,":"++Line1} = get_hex(Line0), {Offset,":"++Line2} = get_hex(Line1), {Sz,Line} = get_hex(Line2), - Binp = Binp0 bor BinAddrAdj, - Term = case lookup_binary_index(Binp) of - [{_,Start}] -> cdvbin(Offset,Sz,{'#CDVBin',Start}); - [] -> '#CDVNonexistingBinary' - end, - D = gb_trees:insert(Addr, Term, D0), - {Term,Line,D}; -parse_heap_term("Ys"++Line0, Addr, BinAddrAdj, D0) -> %Sub binary. + Binp = Binp0 bor DecodeOpts#dec_opts.bin_addr_adj, + case lookup_binary_index(Binp) of + [{_,Start}] -> + SymbolicBin = {'#CDVBin',Start}, + Term = cdvbin(Offset, Sz, SymbolicBin), + D1 = gb_trees:insert(Addr, Term, D0), + D = gb_trees:insert(Binp, SymbolicBin, D1), + {Term,Line,D}; + [] -> + Term = '#CDVNonexistingBinary', + D1 = gb_trees:insert(Addr, Term, D0), + D = gb_trees:insert(Binp, Term, D1), + {Term,Line,D} + end; +parse_heap_term("Ys"++Line0, Addr, DecodeOpts, D0) -> %Sub binary. {Binp0,":"++Line1} = get_hex(Line0), {Offset,":"++Line2} = get_hex(Line1), - {Sz,Line} = get_hex(Line2), - Binp = Binp0 bor BinAddrAdj, - Term = case lookup_binary_index(Binp) of - [{_,Start}] -> cdvbin(Offset,Sz,{'#CDVBin',Start}); - [] -> - %% Might it be on the heap? - case gb_trees:lookup(Binp, D0) of - {value,Bin} -> cdvbin(Offset,Sz,Bin); - none -> '#CDVNonexistingBinary' - end - end, - D = gb_trees:insert(Addr, Term, D0), - {Term,Line,D}. - + {Sz,Line3} = get_hex(Line2), + {Term,Line,D1} = deref_bin(Binp0, Offset, Sz, Line3, DecodeOpts, D0), + D = gb_trees:insert(Addr, Term, D1), + {Term,Line,D}; +parse_heap_term("Mf"++Line0, Addr, DecodeOpts, D0) -> %Flatmap. + {Size,":"++Line1} = get_hex(Line0), + {Keys,":"++Line2,D1} = parse_term(Line1, DecodeOpts, D0), + {Values,Line,D2} = parse_tuple(Size, Line2, Addr,DecodeOpts, D1, []), + Pairs = zip_tuples(tuple_size(Keys), Keys, Values, []), + Map = maps:from_list(Pairs), + D = gb_trees:update(Addr, Map, D2), + {Map,Line,D}; +parse_heap_term("Mh"++Line0, Addr, DecodeOpts, D0) -> %Head node in a hashmap. + {MapSize,":"++Line1} = get_hex(Line0), + {N,":"++Line2} = get_hex(Line1), + {Nodes,Line,D1} = parse_tuple(N, Line2, Addr, DecodeOpts, D0, []), + Map = maps:from_list(flatten_hashmap_nodes(Nodes)), + MapSize = maps:size(Map), %Assertion. + D = gb_trees:update(Addr, Map, D1), + {Map,Line,D}; +parse_heap_term("Mn"++Line0, Addr, DecodeOpts, D) -> %Interior node in a hashmap. + {N,":"++Line} = get_hex(Line0), + parse_tuple(N, Line, Addr, DecodeOpts, D, []). parse_tuple(0, Line, Addr, _, D0, Acc) -> Tuple = list_to_tuple(lists:reverse(Acc)), D = gb_trees:insert(Addr, Tuple, D0), {Tuple,Line,D}; -parse_tuple(N, Line0, Addr, BinAddrAdj, D0, Acc) -> - case parse_term(Line0, BinAddrAdj, D0) of +parse_tuple(N, Line0, Addr, DecodeOpts, D0, Acc) -> + case parse_term(Line0, DecodeOpts, D0) of {Term,[$,|Line],D} when N > 1 -> - parse_tuple(N-1, Line, Addr, BinAddrAdj, D, [Term|Acc]); + parse_tuple(N-1, Line, Addr, DecodeOpts, D, [Term|Acc]); {Term,Line,D}-> - parse_tuple(N-1, Line, Addr, BinAddrAdj, D, [Term|Acc]) + parse_tuple(N-1, Line, Addr, DecodeOpts, D, [Term|Acc]) end. -parse_term([$H|Line0], BinAddrAdj, D) -> %Pointer to heap term. +zip_tuples(0, _T1, _T2, Acc) -> + Acc; +zip_tuples(N, T1, T2, Acc) when N =< tuple_size(T1) -> + zip_tuples(N-1, T1, T2, [{element(N, T1),element(N, T2)}|Acc]). + +flatten_hashmap_nodes(Tuple) -> + flatten_hashmap_nodes_1(tuple_size(Tuple), Tuple, []). + +flatten_hashmap_nodes_1(0, _Tuple, Acc) -> + Acc; +flatten_hashmap_nodes_1(N, Tuple0, Acc0) -> + case element(N, Tuple0) of + [K|V] -> + flatten_hashmap_nodes_1(N-1, Tuple0, [{K,V}|Acc0]); + Tuple when is_tuple(Tuple) -> + Acc = flatten_hashmap_nodes_1(N-1, Tuple0, Acc0), + flatten_hashmap_nodes_1(tuple_size(Tuple), Tuple, Acc) + end. + +parse_term([$H|Line0], DecodeOpts, D) -> %Pointer to heap term. {Ptr,Line} = get_hex(Line0), - deref_ptr(Ptr, Line, BinAddrAdj, D); + deref_ptr(Ptr, Line, DecodeOpts, D); parse_term([$N|Line], _, D) -> %[] (nil). {[],Line,D}; parse_term([$I|Line0], _, D) -> %Small. @@ -2623,11 +2745,11 @@ parse_term([$p|Line0], _, D) -> %Port. parse_term([$S|Str0], _, D) -> %Information string. Str = lists:reverse(skip_blanks(lists:reverse(Str0))), {Str,[],D}; -parse_term([$D|Line0], _, D) -> %DistExternal +parse_term([$D|Line0], DecodeOpts, D) -> %DistExternal try {AttabSize,":"++Line1} = get_hex(Line0), {Attab, "E"++Line2} = parse_atom_translation_table(AttabSize, Line1, []), - {Bin,Line3} = get_binary(Line2), + {Bin,Line3} = get_binary(Line2, DecodeOpts), {try erts_debug:dist_ext_to_term(Attab, Bin) catch @@ -2660,26 +2782,55 @@ parse_atom_translation_table(0, Line0, As) -> parse_atom_translation_table(N, Line0, As) -> {A, Line1, _} = parse_atom(Line0, []), parse_atom_translation_table(N-1, Line1, [A|As]). - - -deref_ptr(Ptr, Line, BinAddrAdj, D0) -> - case gb_trees:lookup(Ptr, D0) of + +deref_ptr(Ptr, Line, DecodeOpts, D) -> + Lookup = fun(D0) -> + gb_trees:lookup(Ptr, D0) + end, + do_deref_ptr(Lookup, Line, DecodeOpts, D). + +deref_bin(Binp0, Offset, Sz, Line, DecodeOpts, D) -> + Binp = Binp0 bor DecodeOpts#dec_opts.bin_addr_adj, + Lookup = fun(D0) -> + lookup_binary(Binp, Offset, Sz, D0) + end, + do_deref_ptr(Lookup, Line, DecodeOpts, D). + +lookup_binary(Binp, Offset, Sz, D) -> + case lookup_binary_index(Binp) of + [{_,Start}] -> + Term = cdvbin(Offset, Sz, {'#CDVBin',Start}), + {value,Term}; + [] -> + case gb_trees:lookup(Binp, D) of + {value,<<_:Offset/bytes,Sub:Sz/bytes,_/bytes>>} -> + {value,Sub}; + {value,SymbolicBin} -> + {value,cdvbin(Offset, Sz, SymbolicBin)}; + none -> + none + end + end. + +do_deref_ptr(Lookup, Line, DecodeOpts, D0) -> + case Lookup(D0) of {value,Term} -> {Term,Line,D0}; none -> case get(fd) of end_of_heap -> + put(incomplete_heap,true), {['#CDVIncompleteHeap'],Line,D0}; Fd -> case bytes(Fd) of "="++_ -> put(fd, end_of_heap), - deref_ptr(Ptr, Line, BinAddrAdj, D0); + do_deref_ptr(Lookup, Line, DecodeOpts, D0); L -> update_progress(length(L)+1), - D = parse(L, BinAddrAdj, D0), - deref_ptr(Ptr, Line, BinAddrAdj, D) + D = parse(L, DecodeOpts, D0), + do_deref_ptr(Lookup, Line, DecodeOpts, D) end end end. @@ -2742,36 +2893,80 @@ get_label([$:|Line], Acc) -> get_label([H|T], Acc) -> get_label(T, [H|Acc]). -get_binary(Line0) -> +get_binary(Line0,DecodeOpts) -> case get_hex(Line0) of {N,":"++Line} -> - do_get_binary(N, Line, [], false); + get_binary_1(N, Line, DecodeOpts); _ -> {'#CDVTruncatedBinary',[]} end. -get_binary(Offset,Size,Line0) -> +get_binary_1(N,Line,#dec_opts{base64=false}) -> + get_binary_hex(N, Line, [], false); +get_binary_1(N,Line0,#dec_opts{base64=true}) -> + NumBytes = ((N+2) div 3) * 4, + {Base64,Line} = lists:split(NumBytes, Line0), + Bin = get_binary_base64(list_to_binary(Base64), <<>>, false), + {Bin,Line}. + +get_binary(Offset,Size,Line0,DecodeOpts) -> case get_hex(Line0) of {_N,":"++Line} -> - Progress = Size>?binary_size_progress_limit, - Progress andalso init_progress("Reading binary",Size), - do_get_binary(Size, lists:sublist(Line,(Offset*2)+1,Size*2), [], - Progress); - _ -> - {'#CDVTruncatedBinary',[]} - end. - -do_get_binary(0, Line, Acc, Progress) -> + get_binary_1(Offset,Size,Line,DecodeOpts); + _ -> + {'#CDVTruncatedBinary',[]} + end. + +get_binary_1(Offset,Size,Line,#dec_opts{base64=false}) -> + Progress = Size > ?binary_size_progress_limit, + Progress andalso init_progress("Reading binary",Size), + get_binary_hex(Size, lists:sublist(Line,(Offset*2)+1,Size*2), [], + Progress); +get_binary_1(StartOffset,Size,Line,#dec_opts{base64=true}) -> + Progress = Size > ?binary_size_progress_limit, + Progress andalso init_progress("Reading binary",Size), + EndOffset = StartOffset + Size, + StartByte = (StartOffset div 3) * 4, + EndByte = ((EndOffset + 2) div 3) * 4, + NumBytes = EndByte - StartByte, + case list_to_binary(Line) of + <<_:StartByte/bytes,Base64:NumBytes/bytes,_/bytes>> -> + Bin0 = get_binary_base64(Base64, <<>>, Progress), + Skip = StartOffset - (StartOffset div 3) * 3, + <<_:Skip/bytes,Bin:Size/bytes,_/bytes>> = Bin0, + {Bin,[]}; + _ -> + {'#CDVTruncatedBinary',[]} + end. + +get_binary_hex(0, Line, Acc, Progress) -> Progress andalso end_progress(), {list_to_binary(lists:reverse(Acc)),Line}; -do_get_binary(N, [A,B|Line], Acc, Progress) -> +get_binary_hex(N, [A,B|Line], Acc, Progress) -> Byte = (get_hex_digit(A) bsl 4) bor get_hex_digit(B), Progress andalso update_progress(), - do_get_binary(N-1, Line, [Byte|Acc], Progress); -do_get_binary(_N, [], _Acc, Progress) -> + get_binary_hex(N-1, Line, [Byte|Acc], Progress); +get_binary_hex(_N, [], _Acc, Progress) -> Progress andalso end_progress(), {'#CDVTruncatedBinary',[]}. +get_binary_base64(<<Chunk0:?base64_chunk_size/bytes,T/bytes>>, + Acc0, Progress) -> + Chunk = base64:decode(Chunk0), + Acc = <<Acc0/binary,Chunk/binary>>, + Progress andalso update_progress(?base64_chunk_size * 3 div 4), + get_binary_base64(T, Acc, Progress); +get_binary_base64(Chunk0, Acc, Progress) -> + case Progress of + true -> + update_progress(?base64_chunk_size * 3 div 4), + end_progress(); + false -> + ok + end, + Chunk = base64:decode(Chunk0), + <<Acc/binary,Chunk/binary>>. + cdvbin(Offset,Size,{'#CDVBin',Pos}) -> ['#CDVBin',Offset,Size,Pos]; cdvbin(Offset,Size,['#CDVBin',_,_,Pos]) -> @@ -2792,6 +2987,10 @@ reset_tables() -> insert_index(Tag,Id,Pos) -> ets:insert(cdv_dump_index_table,{{Tag,Pos},Id}). +delete_index(Tag,Id) -> + Ms = [{{{Tag,'$1'},Id},[],[true]}], + ets:select_delete(cdv_dump_index_table, Ms). + lookup_index({Tag,Id}) -> lookup_index(Tag,Id); lookup_index(Tag) -> @@ -2808,6 +3007,7 @@ insert_binary_index(Addr,Pos) -> lookup_binary_index(Addr) -> ets:lookup(cdv_binary_index_table,Addr). + %%----------------------------------------------------------------- %% Convert tags read from crashdump to atoms used as first part of key %% in cdv_dump_index_table @@ -2825,6 +3025,7 @@ tag_to_atom("hidden_node") -> ?hidden_node; tag_to_atom("index_table") -> ?index_table; tag_to_atom("instr_data") -> ?instr_data; tag_to_atom("internal_ets") -> ?internal_ets; +tag_to_atom("literals") -> ?literals; tag_to_atom("loaded_modules") -> ?loaded_modules; tag_to_atom("memory") -> ?memory; tag_to_atom("mod") -> ?mod; @@ -2848,8 +3049,10 @@ tag_to_atom(UnknownTag) -> %%%----------------------------------------------------------------- %%% Store last tag for use when truncated, and reason if aborted put_last_tag(?abort,Reason) -> - %% Don't overwrite the real last tag - put(truncated_reason,Reason); + %% Don't overwrite the real last tag, and make sure to return + %% the previous last tag. + put(truncated_reason,Reason), + get(last_tag); put_last_tag(Tag,Id) -> put(last_tag,{Tag,Id}). diff --git a/lib/observer/src/observer_html_lib.erl b/lib/observer/src/observer_html_lib.erl index a85808a472..22b4714d63 100644 --- a/lib/observer/src/observer_html_lib.erl +++ b/lib/observer/src/observer_html_lib.erl @@ -355,11 +355,11 @@ href_proc_bin(From, T, Acc, LTB) -> PreviewStr end end; - [PreviewIntStr,SizeStr,Md5] when From =:= obs -> + [PreviewIntStr,PreviewBitSizeStr,SizeStr,Md5] when From =:= obs -> Size = list_to_integer(SizeStr), PreviewInt = list_to_integer(PreviewIntStr), - PrevSize = (trunc(math:log2(PreviewInt)/8)+1)*8, - PreviewStr = preview_string(Size,<<PreviewInt:PrevSize>>), + PreviewBitSize = list_to_integer(PreviewBitSizeStr), + PreviewStr = preview_string(Size,<<PreviewInt:PreviewBitSize>>), if LTB -> href("TARGET=\"expanded\"", ["#OBSBinary?key1="++PreviewIntStr++ diff --git a/lib/observer/src/observer_lib.erl b/lib/observer/src/observer_lib.erl index 29f4f9fabc..94d199e688 100644 --- a/lib/observer/src/observer_lib.erl +++ b/lib/observer/src/observer_lib.erl @@ -810,7 +810,7 @@ progress_dialog_destroy({Dialog,_,_}) -> make_obsbin(Bin,Tab) -> Size = byte_size(Bin), - Preview = + {Preview,PreviewBitSize} = try %% The binary might be a unicode string, in which case we %% don't want to split it in the middle of a grapheme @@ -819,14 +819,14 @@ make_obsbin(Bin,Tab) -> PB1 = string:slice(Bin,0,PL1), PS1 = byte_size(PB1) * 8, <<P1:PS1>> = PB1, - P1 + {P1,PS1} catch _:_ -> %% Probably not a string, so just split anywhere PS2 = min(Size, 10) * 8, <<P2:PS2, _/binary>> = Bin, - P2 + {P2,PS2} end, Hash = erlang:phash2(Bin), Key = {Preview, Size, Hash}, ets:insert(Tab, {Key,Bin}), - ['#OBSBin',Preview,Size,Hash]. + ['#OBSBin',Preview,PreviewBitSize,Size,Hash]. diff --git a/lib/observer/src/observer_trace_wx.erl b/lib/observer/src/observer_trace_wx.erl index 8127248262..2c3b46a3a1 100644 --- a/lib/observer/src/observer_trace_wx.erl +++ b/lib/observer/src/observer_trace_wx.erl @@ -1201,7 +1201,7 @@ make_ms(MS) -> make_ms(Name,Term,FunStr). make_ms(Name, Term, FunStr) -> - #match_spec{name=Name, term=Term, str=io_lib:format("~tw", Term), func = FunStr}. + #match_spec{name=Name, term=Term, str=io_lib:format("~tw", [Term]), func = FunStr}. parse_tp({tp, Mod, FAs}, State) -> Patterns = [#tpattern{m=Mod,fa={F,A}, ms=make_ms(List)} || diff --git a/lib/observer/test/crashdump_helper.erl b/lib/observer/test/crashdump_helper.erl index f37d9057cb..bb1755f530 100644 --- a/lib/observer/test/crashdump_helper.erl +++ b/lib/observer/test/crashdump_helper.erl @@ -19,7 +19,9 @@ %% -module(crashdump_helper). --export([n1_proc/2,remote_proc/2]). +-export([n1_proc/2,remote_proc/2, + dump_maps/0,create_maps/0, + create_binaries/0,create_sub_binaries/1]). -compile(r18). -include_lib("common_test/include/ct.hrl"). @@ -60,7 +62,9 @@ n1_proc(Creator,_N2,Pid2,Port2,_L) -> put(ref,Ref), put(pid,Pid), put(bin,Bin), + put(bins,create_binaries()), put(sub_bin,SubBin), + put(sub_bins,create_sub_binaries(get(bins))), put(bignum,83974938738373873), put(neg_bignum,-38748762783736367), put(ext_pid,Pid2), @@ -92,3 +96,49 @@ remote_proc(P1,Creator) -> Creator ! {self(),done}, receive after infinity -> ok end end). + +create_binaries() -> + Sizes = lists:seq(60, 70) ++ lists:seq(120, 140), + [begin + <<H:16/unit:8>> = erlang:md5(<<Size:32>>), + Data = ((H bsl (8*150)) div (H+7919)), + <<Data:Size/unit:8>> + end || Size <- Sizes]. + +create_sub_binaries(Bins) -> + [create_sub_binary(Bin, Start, LenSub) || + Bin <- Bins, + Start <- [0,1,2,3,4,5,10,22], + LenSub <- [0,1,2,3,4,6,9]]. + +create_sub_binary(Bin, Start, LenSub) -> + Len = byte_size(Bin) - LenSub - Start, + <<_:Start/bytes,Sub:Len/bytes,_/bytes>> = Bin, + Sub. + +%%% +%%% Test dumping of maps. Dumping of maps only from OTP 20.2. +%%% + +dump_maps() -> + Parent = self(), + F = fun() -> + register(aaaaaaaa_maps, self()), + put(maps, create_maps()), + Parent ! {self(),done}, + receive _ -> ok end + end, + Pid = spawn_link(F), + receive + {Pid,done} -> + {ok,Pid} + end. + +create_maps() -> + Map0 = maps:from_list([{I,[I,I+1]} || I <- lists:seq(1, 40)]), + Map1 = maps:from_list([{I,{a,[I,I*I],{}}} || I <- lists:seq(1, 100)]), + Map2 = maps:from_list([{{I},(I*I) bsl 24} || I <- lists:seq(1, 10000)]), + Map3 = lists:foldl(fun(I, A) -> + A#{I=>I*I} + end, Map2, lists:seq(-10, 0)), + #{a=>Map0,b=>Map1,c=>Map2,d=>Map3,e=>#{}}. diff --git a/lib/observer/test/crashdump_viewer_SUITE.erl b/lib/observer/test/crashdump_viewer_SUITE.erl index f9ac884743..9fbd1a62a4 100644 --- a/lib/observer/test/crashdump_viewer_SUITE.erl +++ b/lib/observer/test/crashdump_viewer_SUITE.erl @@ -25,7 +25,7 @@ %% Test functions -export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2, start_stop/1,load_file/1,not_found_items/1, - non_existing/1,not_a_crashdump/1,old_crashdump/1]). + non_existing/1,not_a_crashdump/1,old_crashdump/1,new_crashdump/1]). -export([init_per_suite/1, end_per_suite/1]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -83,6 +83,7 @@ all() -> non_existing, not_a_crashdump, old_crashdump, + new_crashdump, load_file, not_found_items ]. @@ -212,6 +213,25 @@ not_a_crashdump(Config) when is_list(Config) -> ok = crashdump_viewer:stop(). +%% Try to load a file with newer version than this crashdump viewer can handle +new_crashdump(Config) -> + Dump = hd(?config(dumps,Config)), + ok = start_backend(Dump), + {ok,{MaxVsn,CurrentVsn}} = crashdump_viewer:get_dump_versions(), + if MaxVsn =/= CurrentVsn -> + ct:fail("Current dump version is not equal to cdv's max version"); + true -> + ok + end, + ok = crashdump_viewer:stop(), + NewerVsn = lists:join($.,[integer_to_list(X+1) || X <- MaxVsn]), + PrivDir = ?config(priv_dir,Config), + NewDump = filename:join(PrivDir,"new_erl_crash.dump"), + ok = file:write_file(NewDump,"=erl_crash_dump:"++NewerVsn++"\n"), + {error, Reason} = start_backend(NewDump), + "This Crashdump Viewer is too old" ++_ = Reason, + ok = crashdump_viewer:stop(). + %% Load files into the tool and view all pages load_file(Config) when is_list(Config) -> case ?t:is_debug() of @@ -328,7 +348,7 @@ browse_file(File) -> io:format(" info read",[]), - lookat_all_pids(Procs), + lookat_all_pids(Procs,is_truncated(File),incomplete_allowed(File)), io:format(" pids ok",[]), lookat_all_ports(Ports), io:format(" ports ok",[]), @@ -339,6 +359,21 @@ browse_file(File) -> Procs. % used as second arg to special/2 +is_truncated(File) -> + case filename:extension(File) of + ".trunc"++_ -> + true; + _ -> + false + end. + +incomplete_allowed(File) -> + %% Incomplete heap is allowed for native libs, since some literals + %% are not dumped - and for pre OTP-20 (really pre 20.2) releases, + %% since literals were not dumped at all then. + Rel = get_rel_from_dump_name(File), + Rel < 20 orelse test_server:is_native(lists). + special(File,Procs) -> case filename:extension(File) of ".full_dist" -> @@ -364,6 +399,14 @@ special(File,Procs) -> crashdump_viewer:expand_binary({SOffset,SSize,SPos}), io:format(" expand binary ok",[]), + Binaries = crashdump_helper:create_binaries(), + verify_binaries(Binaries, proplists:get_value(bins,Dict)), + io:format(" binaries ok",[]), + + SubBinaries = crashdump_helper:create_sub_binaries(Binaries), + verify_binaries(SubBinaries, proplists:get_value(sub_bins,Dict)), + io:format(" sub binaries ok",[]), + #proc{last_calls=LastCalls} = ProcDetails, true = length(LastCalls) =< 4, @@ -422,7 +465,9 @@ special(File,Procs) -> %% i.e. no binary exist in the dump [#proc{pid=Pid0}|_Rest] = lists:keysort(#proc.name,Procs), Pid = pid_to_list(Pid0), - {ok,ProcDetails=#proc{},[]} = crashdump_viewer:proc_details(Pid), + %%WarnIncompleteHeap = ["WARNING: This process has an incomplete heap. Some information might be missing."], + {ok,ProcDetails=#proc{},[]} = + crashdump_viewer:proc_details(Pid), io:format(" process details ok",[]), #proc{dict=Dict} = ProcDetails, @@ -513,20 +558,56 @@ special(File,Procs) -> io:format(" unicode table name ok",[]), ok; + ".maps" -> + %% I registered a process as aaaaaaaa_maps in the map dump + %% to make sure it will be the first in the list when sorted + %% on names. + [#proc{pid=Pid0,name=Name}|_Rest] = lists:keysort(#proc.name,Procs), + "aaaaaaaa_maps" = Name, + Pid = pid_to_list(Pid0), + {ok,ProcDetails=#proc{},[]} = crashdump_viewer:proc_details(Pid), + io:format(" process details ok",[]), + + #proc{dict=Dict} = ProcDetails, + %% io:format("~p\n", [Dict]), + Maps = crashdump_helper:create_maps(), + Maps = proplists:get_value(maps,Dict), + io:format(" maps ok",[]), + ok; _ -> ok end, ok. +verify_binaries([H|T1], [H|T2]) -> + %% Heap binary. + verify_binaries(T1, T2); +verify_binaries([Bin|T1], [['#CDVBin',Offset,Size,Pos]|T2]) -> + %% Refc binary. + {ok,<<Bin:Size/binary>>} = crashdump_viewer:expand_binary({Offset,Size,Pos}), + verify_binaries(T1, T2); +verify_binaries([], []) -> + ok. -lookat_all_pids([]) -> +lookat_all_pids([],_,_) -> ok; -lookat_all_pids([#proc{pid=Pid0}|Procs]) -> +lookat_all_pids([#proc{pid=Pid0}|Procs],TruncAllowed,IncompAllowed) -> Pid = pid_to_list(Pid0), - {ok,_ProcDetails=#proc{},_ProcTW} = crashdump_viewer:proc_details(Pid), - {ok,_Ets,_EtsTW} = crashdump_viewer:ets_tables(Pid), - {ok,_Timers,_TimersTW} = crashdump_viewer:timers(Pid), - lookat_all_pids(Procs). + {ok,_ProcDetails=#proc{},ProcTW} = crashdump_viewer:proc_details(Pid), + {ok,_Ets,EtsTW} = crashdump_viewer:ets_tables(Pid), + {ok,_Timers,TimersTW} = crashdump_viewer:timers(Pid), + case {ProcTW,EtsTW,TimersTW} of + {[],[],[]} -> + ok; + {["WARNING: This process has an incomplete heap."++_],[],[]} + when IncompAllowed -> + ok; % native libs, literals might not be included in dump + _ when TruncAllowed -> + ok; % truncated dump + TWs -> + ct:fail({unexpected_warning,TWs}) + end, + lookat_all_pids(Procs,TruncAllowed,IncompAllowed). lookat_all_ports([]) -> ok; @@ -574,16 +655,11 @@ do_create_dumps(DataDir,Rel) -> current -> CD3 = dump_with_args(DataDir,Rel,"instr","+Mim true"), CD4 = dump_with_strange_module_name(DataDir,Rel,"strangemodname"), - Tmp = dump_with_args(DataDir,Rel,"trunc_bytes",""), - {ok,#file_info{size=Max}} = file:read_file_info(Tmp), - ok = file:delete(Tmp), - Bytes = max(15,rand:uniform(Max)), - CD5 = dump_with_args(DataDir,Rel,"trunc_bytes", - "-env ERL_CRASH_DUMP_BYTES " ++ - integer_to_list(Bytes)), + CD5 = dump_with_size_limit_reached(DataDir,Rel,"trunc_bytes"), CD6 = dump_with_unicode_atoms(DataDir,Rel,"unicode"), + CD7 = dump_with_maps(DataDir,Rel,"maps"), TruncatedDumps = truncate_dump(CD1), - {[CD1,CD2,CD3,CD4,CD5,CD6|TruncatedDumps], DosDump}; + {[CD1,CD2,CD3,CD4,CD5,CD6,CD7|TruncatedDumps], DosDump}; _ -> {[CD1,CD2], DosDump} end. @@ -596,7 +672,10 @@ truncate_dump(File) -> {win32,_} -> <<"\r\n">>; _ -> <<"\n">> end, - [StartBin,AfterTag] = binary:split(Bin,BinTag), + %% Split after "our binary" created by crashdump_helper + %% (it may not be the first binary). + RE = <<"\n=binary:(?=[0-9A-Z]+",NewLine/binary,"FF:AQID)">>, + [StartBin,AfterTag] = re:split(Bin,RE,[{parts,2}]), [AddrAndSize,BinaryAndRest] = binary:split(AfterTag,Colon), [Binary,_Rest] = binary:split(BinaryAndRest,NewLine), TruncSize = byte_size(Binary) - 2, @@ -689,6 +768,28 @@ dump_with_strange_module_name(DataDir,Rel,DumpName) -> ?t:stop_node(n1), CD. +dump_with_size_limit_reached(DataDir,Rel,DumpName) -> + Tmp = dump_with_args(DataDir,Rel,DumpName,""), + {ok,#file_info{size=Max}} = file:read_file_info(Tmp), + ok = file:delete(Tmp), + dump_with_size_limit_reached(DataDir,Rel,DumpName,Max). + +dump_with_size_limit_reached(DataDir,Rel,DumpName,Max) -> + Bytes = max(15,rand:uniform(Max)), + CD = dump_with_args(DataDir,Rel,DumpName, + "-env ERL_CRASH_DUMP_BYTES " ++ + integer_to_list(Bytes)), + {ok,#file_info{size=Size}} = file:read_file_info(CD), + if Size < Bytes -> + %% This means that the dump was actually smaller than the + %% randomly selected truncation size, so we'll just do it + %% again with a smaller numer + ok = file:delete(CD), + dump_with_size_limit_reached(DataDir,Rel,DumpName,Size-3); + true -> + CD + end. + dump_with_unicode_atoms(DataDir,Rel,DumpName) -> Opt = rel_opt(Rel), Pz = "-pz \"" ++ filename:dirname(code:which(?MODULE)) ++ "\"", @@ -699,6 +800,16 @@ dump_with_unicode_atoms(DataDir,Rel,DumpName) -> ?t:stop_node(n1), CD. +dump_with_maps(DataDir,Rel,DumpName) -> + Opt = rel_opt(Rel), + Pz = "-pz \"" ++ filename:dirname(code:which(?MODULE)) ++ "\"", + PzOpt = [{args,Pz}], + {ok,N1} = ?t:start_node(n1,peer,Opt ++ PzOpt), + {ok,_Pid} = rpc:call(N1,crashdump_helper,dump_maps,[]), + CD = dump(N1,DataDir,Rel,DumpName), + ?t:stop_node(n1), + CD. + dump(Node,DataDir,Rel,DumpName) -> Crashdump = filename:join(DataDir, dump_prefix(Rel)++DumpName), rpc:call(Node,os,putenv,["ERL_CRASH_DUMP",Crashdump]), @@ -751,6 +862,11 @@ dump_prefix(current) -> dump_prefix(Rel) -> lists:concat(["r",Rel,"_dump."]). +get_rel_from_dump_name(File) -> + Name = filename:basename(File), + ["r"++Rel|_] = string:split(Name,"_"), + list_to_integer(Rel). + compat_rel(current) -> ""; compat_rel(Rel) -> |
