diff options
Diffstat (limited to 'lib/tools/doc/src')
| -rw-r--r-- | lib/tools/doc/src/Makefile | 35 | ||||
| -rw-r--r-- | lib/tools/doc/src/cover.xml | 104 | ||||
| -rw-r--r-- | lib/tools/doc/src/cprof.xml | 42 | ||||
| -rw-r--r-- | lib/tools/doc/src/eprof.xml | 38 | ||||
| -rw-r--r-- | lib/tools/doc/src/fascicules.xml | 18 | ||||
| -rw-r--r-- | lib/tools/doc/src/fprof.xml | 62 | ||||
| -rw-r--r-- | lib/tools/doc/src/instrument.xml | 532 | ||||
| -rw-r--r-- | lib/tools/doc/src/lcnt.xml | 178 | ||||
| -rw-r--r-- | lib/tools/doc/src/lcnt_chapter.xml | 41 | ||||
| -rw-r--r-- | lib/tools/doc/src/make.xml | 41 | ||||
| -rw-r--r-- | lib/tools/doc/src/note.gif | bin | 1539 -> 0 bytes | |||
| -rw-r--r-- | lib/tools/doc/src/notes.xml | 367 | ||||
| -rw-r--r-- | lib/tools/doc/src/part_notes.xml | 39 | ||||
| -rw-r--r-- | lib/tools/doc/src/part_notes_history.xml | 39 | ||||
| -rw-r--r-- | lib/tools/doc/src/specs.xml | 12 | ||||
| -rw-r--r-- | lib/tools/doc/src/tags.xml | 16 | ||||
| -rw-r--r-- | lib/tools/doc/src/venn2.fig | 66 | ||||
| -rw-r--r-- | lib/tools/doc/src/venn2.gif | bin | 3369 -> 3507 bytes | |||
| -rw-r--r-- | lib/tools/doc/src/warning.gif | bin | 1498 -> 0 bytes | |||
| -rw-r--r-- | lib/tools/doc/src/xref.xml | 76 |
20 files changed, 949 insertions, 757 deletions
diff --git a/lib/tools/doc/src/Makefile b/lib/tools/doc/src/Makefile index d9c3b0ad2a..5ff4fe3113 100644 --- a/lib/tools/doc/src/Makefile +++ b/lib/tools/doc/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2016. All Rights Reserved. +# Copyright Ericsson AB 1997-2018. 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. @@ -47,9 +47,9 @@ XML_REF3_FILES = \ make.xml \ tags.xml \ xref.xml \ - erlang_mode.xml + erlang_mode.xml -XML_PART_FILES = part.xml part_notes.xml part_notes_history.xml +XML_PART_FILES = part.xml XML_CHAPTER_FILES = \ cover_chapter.xml \ @@ -58,8 +58,7 @@ XML_CHAPTER_FILES = \ lcnt_chapter.xml \ erlang_mode_chapter.xml \ xref_chapter.xml \ - notes.xml \ - notes_history.xml + notes.xml BOOK_FILES = book.xml @@ -85,10 +84,19 @@ HTML_REF_MAN_FILE = $(HTMLDIR)/index.html TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf +SPECS_FILES = $(XML_REF3_FILES:%.xml=$(SPECDIR)/specs_%.xml) + +TOP_SPECS_FILE = specs.xml + # ---------------------------------------------------- -# FLAGS +# FLAGS # ---------------------------------------------------- -XML_FLAGS += +XML_FLAGS += + +TOOLS_SRC=$(ERL_TOP)/lib/tools/src +TOOLS_INCLUDE=$(ERL_TOP)/lib/tools/include + +SPECS_FLAGS = -I$(TOOLS_SRC) -I$(TOOLS_INCLUDE) # ---------------------------------------------------- # Targets @@ -108,17 +116,23 @@ man: $(MAN3_FILES) gifs: $(GIF_FILES:%=$(HTMLDIR)/%) -debug opt: +debug opt: clean clean_docs: rm -rf $(HTMLDIR)/* + rm -rf $(XMLDIR) rm -f $(MAN3DIR)/* rm -f $(TOP_PDF_FILE) $(TOP_PDF_FILE:%.pdf=%.fo) - rm -f errs core *~ + rm -f $(SPECDIR)/* + rm -f errs core *~ + +# erlang_mode doesn't have erlang source so we generate a dummy file for it. +$(SPECDIR)/specs_erlang_mode.xml: + echo '<module name="erlang_mode"/>' > $(SPECDIR)/specs_erlang_mode.xml # ---------------------------------------------------- # Release Target -# ---------------------------------------------------- +# ---------------------------------------------------- include $(ERL_TOP)/make/otp_release_targets.mk release_docs_spec: docs @@ -132,4 +146,3 @@ release_docs_spec: docs $(INSTALL_DATA) $(MAN3DIR)/* "$(RELEASE_PATH)/man/man3" release_spec: - diff --git a/lib/tools/doc/src/cover.xml b/lib/tools/doc/src/cover.xml index 15cd784253..e9f782977d 100644 --- a/lib/tools/doc/src/cover.xml +++ b/lib/tools/doc/src/cover.xml @@ -30,7 +30,7 @@ <date></date> <rev></rev> </header> - <module>cover</module> + <module since="">cover</module> <modulesummary>A Coverage Analysis Tool for Erlang</modulesummary> <description> <p>The module <c>cover</c> provides a set of functions for coverage @@ -115,7 +115,7 @@ </description> <funcs> <func> - <name>start() -> {ok,Pid} | {error,Reason}</name> + <name since="">start() -> {ok,Pid} | {error,Reason}</name> <fsummary>Start Cover.</fsummary> <type> <v>Pid = pid()</v> @@ -128,21 +128,33 @@ </desc> </func> <func> - <name>start(Nodes) -> {ok,StartedNodes} | {error,not_main_node}</name> + <name since="OTP 22.0">local_only() -> ok | {error,too_late}</name> + <fsummary>Only support running Cover on the local node.</fsummary> + <desc> + <p>Only support running Cover on the local node. This function + must be called before any modules have been compiled or any + nodes added. When running in this mode, modules will be Cover + compiled in a more efficient way, but the resulting code will + only work on the same node they were compiled on.</p> + </desc> + </func> + <func> + <name since="">start(Nodes) -> {ok,StartedNodes} | {error,not_main_node} | {error,local_only}</name> <fsummary>Start Cover on remote nodes.</fsummary> <type> <v>Nodes = StartedNodes = [atom()]</v> </type> <desc> <p>Starts a Cover server on the each of given nodes, and loads - all cover compiled modules.</p> + all cover compiled modules. This call will fail if + <c>cover:local_only/0</c> has been called.</p> </desc> </func> <func> - <name>compile(ModFiles) -> Result | [Result]</name> - <name>compile(ModFiles, Options) -> Result | [Result]</name> - <name>compile_module(ModFiles) -> Result | [Result]</name> - <name>compile_module(ModFiles, Options) -> Result | [Result]</name> + <name since="">compile(ModFiles) -> Result | [Result]</name> + <name since="">compile(ModFiles, Options) -> Result | [Result]</name> + <name since="">compile_module(ModFiles) -> Result | [Result]</name> + <name since="">compile_module(ModFiles, Options) -> Result | [Result]</name> <fsummary>Compile one or more modules for Cover analysis.</fsummary> <type> <v>ModFiles = ModFile | [ModFile]</v> @@ -176,9 +188,9 @@ </desc> </func> <func> - <name>compile_directory() -> [Result] | {error,Reason}</name> - <name>compile_directory(Dir) -> [Result] | {error,Reason}</name> - <name>compile_directory(Dir, Options) -> [Result] | {error,Reason}</name> + <name since="">compile_directory() -> [Result] | {error,Reason}</name> + <name since="">compile_directory(Dir) -> [Result] | {error,Reason}</name> + <name since="">compile_directory(Dir, Options) -> [Result] | {error,Reason}</name> <fsummary>Compile all modules in a directory for Cover analysis.</fsummary> <type> <v>Dir = string()</v> @@ -199,7 +211,7 @@ </desc> </func> <func> - <name>compile_beam(ModFiles) -> Result | [Result]</name> + <name since="">compile_beam(ModFiles) -> Result | [Result]</name> <fsummary>Compile one or more modules for Cover analysis, using existing beam(s).</fsummary> <type> <v>ModFiles = ModFile | [ModFile]</v> @@ -234,15 +246,15 @@ <c>{already_cover_compiled,no_beam_found,Module}</c> is returned.</p> <p><c>{error,BeamFile}</c> is returned if the compiled code - can not be loaded on the node.</p> + cannot be loaded on the node.</p> <p>If a list of <c>ModFiles</c> is given as input, a list of <c>Result</c> will be returned. The order of the returned list is undefined.</p> </desc> </func> <func> - <name>compile_beam_directory() -> [Result] | {error,Reason}</name> - <name>compile_beam_directory(Dir) -> [Result] | {error,Reason}</name> + <name since="">compile_beam_directory() -> [Result] | {error,Reason}</name> + <name since="">compile_beam_directory(Dir) -> [Result] | {error,Reason}</name> <fsummary>Compile all .beam files in a directory for Cover analysis.</fsummary> <type> <v>Dir = string()</v> @@ -260,14 +272,14 @@ </desc> </func> <func> - <name>analyse() -> {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Modules) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Analysis) -> {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Level) -> {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Modules, Analysis) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Modules, Level) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Analysis, Level) -> {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse(Modules, Analysis, Level) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> + <name since="OTP 18.0">analyse() -> {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Modules) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Analysis) -> {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Level) -> {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Modules, Analysis) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Modules, Level) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Analysis, Level) -> {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse(Modules, Analysis, Level) -> OneResult | {result,Ok,Fail} | {error,not_main_node}</name> <fsummary>Analyse one or more Cover compiled modules.</fsummary> <type> <v>Modules = Module | [Module]</v> @@ -305,10 +317,10 @@ </desc> </func> <func> - <name>analyse_to_file() -> {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse_to_file(Modules) -> Answer | {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse_to_file(Options) -> {result,Ok,Fail} | {error,not_main_node}</name> - <name>analyse_to_file(Modules,Options) -> Answer | {result,Ok,Fail} | {error,not_main_node}</name> + <name since="OTP 18.0">analyse_to_file() -> {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse_to_file(Modules) -> Answer | {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse_to_file(Options) -> {result,Ok,Fail} | {error,not_main_node}</name> + <name since="">analyse_to_file(Modules,Options) -> Answer | {result,Ok,Fail} | {error,not_main_node}</name> <fsummary>Detailed coverage analysis of one or more Cover compiled modules.</fsummary> <type> <v>Modules = Module | [Module]</v> @@ -359,10 +371,10 @@ </desc> </func> <func> - <name>async_analyse_to_file(Module) -> </name> - <name>async_analyse_to_file(Module,Options) -> </name> - <name>async_analyse_to_file(Module, OutFile) -> </name> - <name>async_analyse_to_file(Module, OutFile, Options) -> pid()</name> + <name since="OTP R14B02">async_analyse_to_file(Module) -> </name> + <name since="OTP R14B02">async_analyse_to_file(Module,Options) -> </name> + <name since="OTP R14B02">async_analyse_to_file(Module, OutFile) -> </name> + <name since="OTP R14B02">async_analyse_to_file(Module, OutFile, Options) -> pid()</name> <fsummary>Asynchronous call to analyse_to_file.</fsummary> <type> <v>Module = atom()</v> @@ -384,7 +396,7 @@ </desc> </func> <func> - <name>modules() -> [Module] | {error,not_main_node}</name> + <name since="">modules() -> [Module] | {error,not_main_node}</name> <fsummary>Return all Cover compiled modules.</fsummary> <type> <v>Module = atom()</v> @@ -395,7 +407,7 @@ </desc> </func> <func> - <name>imported_modules() -> [Module] | {error,not_main_node}</name> + <name since="">imported_modules() -> [Module] | {error,not_main_node}</name> <fsummary>Return all modules for which there are imported data.</fsummary> <type> <v>Module = atom()</v> @@ -406,7 +418,7 @@ </desc> </func> <func> - <name>imported() -> [File] | {error,not_main_node}</name> + <name since="">imported() -> [File] | {error,not_main_node}</name> <fsummary>Return all imported files.</fsummary> <type> <v>File = string()</v> @@ -416,7 +428,7 @@ </desc> </func> <func> - <name>which_nodes() -> [Node] | {error,not_main_node}</name> + <name since="">which_nodes() -> [Node] | {error,not_main_node}</name> <fsummary>Return all nodes that are part of the coverage analysis.</fsummary> <type> <v>Node = atom()</v> @@ -428,7 +440,7 @@ </desc> </func> <func> - <name>is_compiled(Module) -> {file,File} | false | {error,not_main_node}</name> + <name since="">is_compiled(Module) -> {file,File} | false | {error,not_main_node}</name> <fsummary>Check if a module is Cover compiled.</fsummary> <type> <v>Module = atom()</v> @@ -442,8 +454,8 @@ </desc> </func> <func> - <name>reset(Module) -></name> - <name>reset() -> ok | {error,not_main_node}</name> + <name since="">reset(Module) -></name> + <name since="">reset() -> ok | {error,not_main_node}</name> <fsummary>Reset coverage data for Cover compiled modules.</fsummary> <type> <v>Module = atom()</v> @@ -458,8 +470,8 @@ </desc> </func> <func> - <name>export(ExportFile)</name> - <name>export(ExportFile,Module) -> ok | {error,Reason}</name> + <name since="">export(ExportFile)</name> + <name since="">export(ExportFile,Module) -> ok | {error,Reason}</name> <fsummary>Reset coverage data for Cover compiled modules.</fsummary> <type> <v>ExportFile = string()</v> @@ -470,7 +482,7 @@ <p>Exports the current coverage data for <c>Module</c> to the file <c>ExportFile</c>. It is recommended to name the <c>ExportFile</c> with the extension <c>.coverdata</c>, since - other filenames can not be read by the web based interface to + other filenames cannot be read by the web based interface to cover.</p> <p>If <c>Module</c> is not given, data for all Cover compiled or earlier imported modules is exported.</p> @@ -480,7 +492,7 @@ </desc> </func> <func> - <name>import(ExportFile) -> ok | {error,Reason}</name> + <name since="">import(ExportFile) -> ok | {error,Reason}</name> <fsummary>Reset coverage data for Cover compiled modules.</fsummary> <type> <v>ExportFile = string()</v> @@ -496,7 +508,7 @@ <p>Coverage data from several export files can be imported into one system. The coverage data is then added up when analysing.</p> - <p>Coverage data for a module can not be imported from the + <p>Coverage data for a module cannot be imported from the same file twice unless the module is first reset or compiled. The check is based on the filename, so you can easily fool the system by renaming your export file.</p> @@ -504,14 +516,14 @@ </desc> </func> <func> - <name>stop() -> ok | {error,not_main_node}</name> + <name since="">stop() -> ok | {error,not_main_node}</name> <fsummary>Stop Cover.</fsummary> <desc> <p>Stops the Cover server and unloads all Cover compiled code.</p> </desc> </func> <func> - <name>stop(Nodes) -> ok | {error,not_main_node}</name> + <name since="">stop(Nodes) -> ok | {error,not_main_node}</name> <fsummary>Stop Cover on remote nodes.</fsummary> <type> <v>Nodes = [atom()]</v> @@ -523,7 +535,7 @@ </desc> </func> <func> - <name>flush(Nodes) -> ok | {error,not_main_node}</name> + <name since="OTP R16B">flush(Nodes) -> ok | {error,not_main_node}</name> <fsummary>Collect cover data from remote nodes.</fsummary> <type> <v>Nodes = [atom()]</v> diff --git a/lib/tools/doc/src/cprof.xml b/lib/tools/doc/src/cprof.xml index df0acbe617..b6af8b6d28 100644 --- a/lib/tools/doc/src/cprof.xml +++ b/lib/tools/doc/src/cprof.xml @@ -34,7 +34,7 @@ <rev>PA1</rev> <file>cprof.sgml</file> </header> - <module>cprof</module> + <module since="">cprof</module> <modulesummary>A simple Call Count Profiling Tool using breakpoints for minimal runtime performance impact.</modulesummary> <description> <p>The <c>cprof</c> module is used to profile a program @@ -65,10 +65,10 @@ </description> <funcs> <func> - <name>analyse() -> {AllCallCount, ModAnalysisList}</name> - <name>analyse(Limit) -> {AllCallCount, ModAnalysisList}</name> - <name>analyse(Mod) -> ModAnalysis</name> - <name>analyse(Mod, Limit) -> ModAnalysis</name> + <name since="">analyse() -> {AllCallCount, ModAnalysisList}</name> + <name since="">analyse(Limit) -> {AllCallCount, ModAnalysisList}</name> + <name since="">analyse(Mod) -> ModAnalysis</name> + <name since="">analyse(Mod, Limit) -> ModAnalysis</name> <fsummary>Collect and analyse call counters.</fsummary> <type> <v>Limit = integer()</v> @@ -122,7 +122,7 @@ </desc> </func> <func> - <name>pause() -> integer()</name> + <name since="">pause() -> integer()</name> <fsummary>Pause running call count trace for all functions.</fsummary> <desc> <p>Pause call count tracing for all functions in all modules @@ -137,9 +137,9 @@ </desc> </func> <func> - <name>pause(FuncSpec) -> integer()</name> - <name>pause(Mod, Func) -> integer()</name> - <name>pause(Mod, Func, Arity) -> integer()</name> + <name since="">pause(FuncSpec) -> integer()</name> + <name since="">pause(Mod, Func) -> integer()</name> + <name since="">pause(Mod, Func, Arity) -> integer()</name> <fsummary>Pause running call count trace for matching functions.</fsummary> <type> <v>FuncSpec = Mod | {Mod,Func,Arity}, {FS}</v> @@ -167,10 +167,10 @@ </desc> </func> <func> - <name>restart() -> integer()</name> - <name>restart(FuncSpec) -> integer()</name> - <name>restart(Mod, Func) -> integer()</name> - <name>restart(Mod, Func, Arity) -> integer()</name> + <name since="">restart() -> integer()</name> + <name since="">restart(FuncSpec) -> integer()</name> + <name since="">restart(Mod, Func) -> integer()</name> + <name since="">restart(Mod, Func, Arity) -> integer()</name> <fsummary>Restart existing call counters for matching functions.</fsummary> <type> <v>FuncSpec = Mod | {Mod,Func,Arity}, {FS}</v> @@ -197,7 +197,7 @@ </desc> </func> <func> - <name>start() -> integer()</name> + <name since="">start() -> integer()</name> <fsummary>Start call count tracing for all functions.</fsummary> <desc> <p>Start call count tracing for all functions in all modules, @@ -212,9 +212,9 @@ </desc> </func> <func> - <name>start(FuncSpec) -> integer()</name> - <name>start(Mod, Func) -> integer()</name> - <name>start(Mod, Func, Arity) -> integer()</name> + <name since="">start(FuncSpec) -> integer()</name> + <name since="">start(Mod, Func) -> integer()</name> + <name since="">start(Mod, Func, Arity) -> integer()</name> <fsummary>Start call count tracing for matching functions.</fsummary> <type> <v>FuncSpec = Mod | {Mod,Func,Arity}, {FS}</v> @@ -240,7 +240,7 @@ </desc> </func> <func> - <name>stop() -> integer()</name> + <name since="">stop() -> integer()</name> <fsummary>Stop call count tracing for all functions.</fsummary> <desc> <p>Stop call count tracing for all functions in all modules, @@ -255,9 +255,9 @@ </desc> </func> <func> - <name>stop(FuncSpec) -> integer()</name> - <name>stop(Mod, Func) -> integer()</name> - <name>stop(Mod, Func, Arity) -> integer()</name> + <name since="">stop(FuncSpec) -> integer()</name> + <name since="">stop(Mod, Func) -> integer()</name> + <name since="">stop(Mod, Func, Arity) -> integer()</name> <fsummary>Stop call count tracing for matching functions.</fsummary> <type> <v>FuncSpec = Mod | {Mod,Func,Arity}, {FS}</v> diff --git a/lib/tools/doc/src/eprof.xml b/lib/tools/doc/src/eprof.xml index f098b7d39e..c9e4edd991 100644 --- a/lib/tools/doc/src/eprof.xml +++ b/lib/tools/doc/src/eprof.xml @@ -28,7 +28,7 @@ <date></date> <rev></rev> </header> - <module>eprof</module> + <module since="">eprof</module> <modulesummary>A Time Profiling Tool for Erlang</modulesummary> <description> <p>The module <c>eprof</c> provides a set of functions for time @@ -40,7 +40,7 @@ </description> <funcs> <func> - <name>start() -> {ok,Pid} | {error,Reason}</name> + <name since="">start() -> {ok,Pid} | {error,Reason}</name> <fsummary>Start Eprof.</fsummary> <type> <v>Pid = pid()</v> @@ -51,9 +51,9 @@ </desc> </func> <func> - <name>start_profiling(Rootset) -> profiling | {error, Reason}</name> - <name>start_profiling(Rootset,Pattern) -> profiling | {error, Reason}</name> - <name>start_profiling(Rootset,Pattern,Options) -> profiling | {error, Reason}</name> + <name since="">start_profiling(Rootset) -> profiling | {error, Reason}</name> + <name since="OTP R14B">start_profiling(Rootset,Pattern) -> profiling | {error, Reason}</name> + <name since="OTP R16B01">start_profiling(Rootset,Pattern,Options) -> profiling | {error, Reason}</name> <fsummary>Start profiling.</fsummary> <type> <v>Rootset = [atom() | pid()]</v> @@ -79,7 +79,7 @@ </desc> </func> <func> - <name>stop_profiling() -> profiling_stopped | profiling_already_stopped</name> + <name since="">stop_profiling() -> profiling_stopped | profiling_already_stopped</name> <fsummary>Stop profiling.</fsummary> <desc> <p>Stops profiling started with <c>start_profiling/1</c> or @@ -87,14 +87,14 @@ </desc> </func> <func> - <name>profile(Fun) -> profiling | {error, Reason}</name> - <name>profile(Fun, Options) -> profiling | {error, Reason}</name> - <name>profile(Rootset) -> profiling | {error, Reason}</name> - <name>profile(Rootset,Fun) -> {ok, Value} | {error,Reason}</name> - <name>profile(Rootset,Fun,Pattern) -> {ok, Value} | {error, Reason}</name> - <name>profile(Rootset,Module,Function,Args) -> {ok, Value} | {error, Reason}</name> - <name>profile(Rootset,Module,Function,Args,Pattern) -> {ok, Value} | {error, Reason}</name> - <name>profile(Rootset,Module,Function,Args,Pattern,Options) -> {ok, Value} | {error, Reason}</name> + <name since="">profile(Fun) -> profiling | {error, Reason}</name> + <name since="">profile(Fun, Options) -> profiling | {error, Reason}</name> + <name since="">profile(Rootset) -> profiling | {error, Reason}</name> + <name since="">profile(Rootset,Fun) -> {ok, Value} | {error,Reason}</name> + <name since="OTP R14B">profile(Rootset,Fun,Pattern) -> {ok, Value} | {error, Reason}</name> + <name since="">profile(Rootset,Module,Function,Args) -> {ok, Value} | {error, Reason}</name> + <name since="OTP R14B">profile(Rootset,Module,Function,Args,Pattern) -> {ok, Value} | {error, Reason}</name> + <name since="OTP R16B01">profile(Rootset,Module,Function,Args,Pattern,Options) -> {ok, Value} | {error, Reason}</name> <fsummary>Start profiling.</fsummary> <type> <v>Rootset = [atom() | pid()]</v> @@ -128,9 +128,9 @@ </desc> </func> <func> - <name>analyze() -> ok</name> - <name>analyze(Type) -> ok</name> - <name>analyze(Type,Options) -> ok</name> + <name since="OTP R14B">analyze() -> ok</name> + <name since="OTP R14B">analyze(Type) -> ok</name> + <name since="OTP R14B">analyze(Type,Options) -> ok</name> <fsummary>Display profiling results per process.</fsummary> <type> <v>Type = procs | total</v> @@ -152,7 +152,7 @@ </desc> </func> <func> - <name>log(File) -> ok</name> + <name since="">log(File) -> ok</name> <fsummary>Activate logging of <c>eprof</c>printouts.</fsummary> <type> <v>File = atom() | string()</v> @@ -164,7 +164,7 @@ </desc> </func> <func> - <name>stop() -> stopped</name> + <name since="">stop() -> stopped</name> <fsummary>Stop Eprof.</fsummary> <desc> <p>Stops the Eprof server.</p> diff --git a/lib/tools/doc/src/fascicules.xml b/lib/tools/doc/src/fascicules.xml deleted file mode 100644 index 37feca543f..0000000000 --- a/lib/tools/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/tools/doc/src/fprof.xml b/lib/tools/doc/src/fprof.xml index 4c9e48045e..4bb8862016 100644 --- a/lib/tools/doc/src/fprof.xml +++ b/lib/tools/doc/src/fprof.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2001</year><year>2016</year> + <year>2001</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -32,7 +32,7 @@ <rev>PA1</rev> <file>fprof.sgml</file> </header> - <module>fprof</module> + <module since="">fprof</module> <modulesummary>A Time Profiling Tool using trace to file for minimal runtime performance impact.</modulesummary> <description> <p>This module is used to profile a program @@ -101,7 +101,7 @@ </description> <funcs> <func> - <name>start() -> {ok, Pid} | {error, {already_started, Pid}}</name> + <name since="">start() -> {ok, Pid} | {error, {already_started, Pid}}</name> <fsummary>Starts the <c>fprof</c> server.</fsummary> <type> <v>Pid = pid()</v> @@ -117,14 +117,14 @@ </desc> </func> <func> - <name>stop() -> ok</name> + <name since="">stop() -> ok</name> <fsummary>Same as <c>stop(normal)</c>.</fsummary> <desc> <p>Same as <c>stop(normal)</c>.</p> </desc> </func> <func> - <name>stop(Reason) -> ok</name> + <name since="">stop(Reason) -> ok</name> <fsummary>Stops the <c>fprof</c> server.</fsummary> <type> <v>Reason = term()</v> @@ -149,7 +149,7 @@ </desc> </func> <func> - <name>apply(Func, Args) -> term()</name> + <name since="">apply(Func, Args) -> term()</name> <fsummary>Same as <c>apply(Func, Args, [])</c>.</fsummary> <type> <v>Func = function() | {Module, Function}</v> @@ -162,7 +162,7 @@ </desc> </func> <func> - <name>apply(Module, Function, Args) -> term()</name> + <name since="">apply(Module, Function, Args) -> term()</name> <fsummary>Same as <c>apply({Module, Function}, Args, [])</c>.</fsummary> <type> <v>Args = [term()]</v> @@ -174,7 +174,7 @@ </desc> </func> <func> - <name>apply(Func, Args, OptionList) -> term()</name> + <name since="">apply(Func, Args, OptionList) -> term()</name> <fsummary>Calls <c>erlang:apply(Func, Args)</c>surrounded by<c>trace([start | OptionList])</c>and<c>trace(stop)</c>.</fsummary> <type> <v>Func = function() | {Module, Function}</v> @@ -210,7 +210,7 @@ </desc> </func> <func> - <name>apply(Module, Function, Args, OptionList) -> term()</name> + <name since="">apply(Module, Function, Args, OptionList) -> term()</name> <fsummary>Same as <c>apply({Module, Function}, Args, OptionList)</c>.</fsummary> <type> <v>Module = atom()</v> @@ -228,7 +228,7 @@ </desc> </func> <func> - <name>trace(start, Filename) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace(start, Filename) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>trace([start, {file, Filename}])</c>.</fsummary> <type> <v>Reason = term()</v> @@ -238,7 +238,7 @@ </desc> </func> <func> - <name>trace(verbose, Filename) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace(verbose, Filename) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>trace([start, verbose, {file, Filename}])</c>.</fsummary> <type> <v>Reason = term()</v> @@ -249,7 +249,7 @@ </desc> </func> <func> - <name>trace(OptionName, OptionValue) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace(OptionName, OptionValue) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>trace([{OptionName, OptionValue}])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -262,7 +262,7 @@ </desc> </func> <func> - <name>trace(verbose) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace(verbose) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>trace([start, verbose])</c>.</fsummary> <type> <v>Reason = term()</v> @@ -272,7 +272,7 @@ </desc> </func> <func> - <name>trace(OptionName) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace(OptionName) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>trace([OptionName])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -283,7 +283,7 @@ </desc> </func> <func> - <name>trace({OptionName, OptionValue}) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace({OptionName, OptionValue}) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>trace([{OptionName, OptionValue}])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -296,7 +296,7 @@ </desc> </func> <func> - <name>trace([Option]) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">trace([Option]) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Starts or stops tracing.</fsummary> <type> <v>Option = start | stop | {procs, PidSpec} | {procs, [PidSpec]} | verbose | {verbose, bool()} | file | {file, Filename} | {tracer, Tracer}</v> @@ -328,10 +328,16 @@ purposes. This option is only allowed with the <c>start</c> option.</item> <tag><c>cpu_time</c>| <c>{cpu_time, bool()}</c></tag> - <item>The options <c>cpu_time</c> or <c>{cpu_time, true></c> + <item>The options <c>cpu_time</c> or <c>{cpu_time, true}</c> makes the timestamps in the trace be in CPU time instead of wallclock time which is the default. This option is - only allowed with the <c>start</c> option.</item> + only allowed with the <c>start</c> option. + <warning><p>Getting correct values out of cpu_time can be difficult. + The best way to get correct values is to run using a single + scheduler and bind that scheduler to a specific CPU, + i.e. <c>erl +S 1 +sbt db</c>.</p> + </warning> + </item> <tag><c>{procs, PidSpec}</c>| <c>{procs, [PidSpec]}</c></tag> <item>Specifies which processes that shall be traced. If this option is not given, the calling process is @@ -354,7 +360,7 @@ </desc> </func> <func> - <name>profile() -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">profile() -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>profile([])</c>.</fsummary> <type> <v>Reason = term()</v> @@ -364,7 +370,7 @@ </desc> </func> <func> - <name>profile(OptionName, OptionValue) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">profile(OptionName, OptionValue) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>profile([{OptionName, OptionValue}])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -377,7 +383,7 @@ </desc> </func> <func> - <name>profile(OptionName) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">profile(OptionName) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>profile([OptionName])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -388,7 +394,7 @@ </desc> </func> <func> - <name>profile({OptionName, OptionValue}) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">profile({OptionName, OptionValue}) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>profile([{OptionName, OptionValue}])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -401,7 +407,7 @@ </desc> </func> <func> - <name>profile([Option]) -> ok | {ok, Tracer} | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">profile([Option]) -> ok | {ok, Tracer} | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Compiles a trace into raw profile data held by the <c>fprof</c> server.</fsummary> <type> <v>Option = file | {file, Filename} | dump | {dump, Dump} | append | start | stop</v> @@ -459,7 +465,7 @@ </desc> </func> <func> - <name>analyse() -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">analyse() -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>analyse([])</c>.</fsummary> <type> <v>Reason = term()</v> @@ -469,7 +475,7 @@ </desc> </func> <func> - <name>analyse(OptionName, OptionValue) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">analyse(OptionName, OptionValue) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>analyse([{OptionName, OptionValue}])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -482,7 +488,7 @@ </desc> </func> <func> - <name>analyse(OptionName) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">analyse(OptionName) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>analyse([OptionName])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -493,7 +499,7 @@ </desc> </func> <func> - <name>analyse({OptionName, OptionValue}) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">analyse({OptionName, OptionValue}) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Same as <c>analyse([{OptionName, OptionValue}])</c>.</fsummary> <type> <v>OptionName = atom()</v> @@ -506,7 +512,7 @@ </desc> </func> <func> - <name>analyse([Option]) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> + <name since="">analyse([Option]) -> ok | {error, Reason} | {'EXIT', ServerPid, Reason}</name> <fsummary>Analyses raw profile data in the <c>fprof</c> server.</fsummary> <type> <v>Option = dest | {dest, Dest} | append | {cols, Cols} | callers | {callers, bool()} | no_callers | {sort, SortSpec} | totals | {totals, bool()} | details | {details, bool()} | no_details</v> diff --git a/lib/tools/doc/src/instrument.xml b/lib/tools/doc/src/instrument.xml index bb6f9b6100..7e9cbaebb0 100644 --- a/lib/tools/doc/src/instrument.xml +++ b/lib/tools/doc/src/instrument.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1998</year><year>2016</year> + <year>1998</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -32,7 +32,7 @@ <rev>PA1</rev> <file>instrument.sgml</file> </header> - <module>instrument</module> + <module since="">instrument</module> <modulesummary>Analysis and Utility Functions for Instrumentation</modulesummary> <description> <p>The module <c>instrument</c> contains support for studying the resource @@ -41,387 +41,193 @@ <note> <p>Note that this whole module is experimental, and the representations used as well as the functionality is likely to change in the future.</p> - <p>The <c>instrument</c> module interface was slightly changed in - Erlang/OTP R9C.</p> </note> - <p>To start an Erlang runtime system with instrumentation, use the - <c>+Mi*</c> set of command-line arguments to the <c>erl</c> command (see - the erts_alloc(3) and erl(1) man pages).</p> - <p>The basic object of study in the case of memory allocation is a memory - allocation map. A memory allocation map contains a list of descriptors - for each allocated memory block. Currently, a descriptor is a 4-tuple</p> - <pre> - {TypeNo, Address, Size, PidDesc} </pre> - <p>where <c>TypeNo</c> is the memory block type number, <c>Address</c> - is its place in memory, and <c>Size</c> is its size, in bytes. - <c>PidDesc</c> is either a tuple <c>{X,Y,Z}</c> identifying the - process which was executing when the block was allocated, or - <c>undefined</c> if no process was executing. The pid tuple - <c>{X,Y,Z}</c> can be transformed into a real pid by usage of the - <c>c:pid/3</c> function.</p> - <p>Various details about memory allocation:</p> - <p>Memory blocks are allocated both on the heap segment and on other memory - segments. This can cause the instrumentation functionality to report - very large holes. Currently the instrumentation functionality doesn't - provide any support for distinguishing between holes between memory - segments, and holes between allocated blocks inside memory segments. - The current size of the process cannot be obtained from within Erlang, - but can be seen with one of the system statistics tools, e.g., - <c>ps</c> or <c>top</c>. The Solaris utility <c>pmap</c> can be - useful. It reports currently mapped memory segments. </p> - <p>Overhead for instrumentation: When the emulator has been started with - the <seealso marker="erts:erts_alloc#Mim">"+Mim true"</seealso> - flag, each block is preceded by a 24 bytes large - header on a 32-bit machine and a 48 bytes large header on a 64-bit - machine. When the emulator has been started with the - <seealso marker="erts:erts_alloc#Mis">"+Mis true"</seealso> - flag, each block is preceded by an 8 bytes large header. These are the header - sizes used by the Erlang 5.3/OTP R9C emulator. Other versions of the - emulator may use other header sizes. The function - <seealso marker="#block_header_size/1">block_header_size/1</seealso> - can be used for retrieving the header size used for a specific memory - allocation map. The time overhead for managing the instrumentation - data is small.</p> - <p>Sizes presented by the instrumentation functionality are (by the - emulator) requested sizes, i.e. neither instrumentation headers nor - headers used by allocators are included.</p> </description> + <datatypes> + <datatype> + <name name="block_histogram"/> + <desc> + <p>A histogram of block sizes where each interval's upper bound is + twice as high as the one before it.</p> + <p>The upper bound of the first interval is provided by the function + that returned the histogram, and the last interval has no upper + bound.</p> + </desc> + </datatype> + <datatype> + <name name="allocation_summary"/> + <desc> + <p>A summary of allocated block sizes (including their headers) grouped + by their <c><anno>Origin</anno></c> and <c><anno>Type</anno></c>.</p> + <p><c><anno>Origin</anno></c> is generally which NIF or driver that + allocated the blocks, or 'system' if it could not be determined.</p> + <p><c><anno>Type</anno></c> is the allocation category that the blocks + belong to, e.g. <c>db_term</c>, <c>message</c> or <c>binary</c>.</p> + <p>If one or more carriers could not be scanned in full without harming + the responsiveness of the system, <c><anno>UnscannedSize</anno></c> + is the number of bytes that had to be skipped.</p> + </desc> + </datatype> + <datatype> + <name name="carrier_info_list"/> + <desc> + <p><c><anno>AllocatorType</anno></c> is the type of the allocator that + employs this carrier.</p> + <p><c><anno>TotalSize</anno></c> is the total size of the carrier, + including its header.</p> + <p><c><anno>AllocatedSize</anno></c> is the combined size of the + carrier's allocated blocks, including their headers.</p> + <p><c><anno>AllocatedCount</anno></c> is the number of allocated + blocks in the carrier.</p> + <p><c><anno>InPool</anno></c> is whether the carrier is in the + migration pool.</p> + <p><c><anno>FreeBlocks</anno></c> is a histogram of the free block + sizes in the carrier.</p> + <p>If the carrier could not be scanned in full without harming the + responsiveness of the system, <c><anno>UnscannedSize</anno></c> is + the number of bytes that had to be skipped.</p> + </desc> + </datatype> + </datatypes> <funcs> + <func> - <name>allocator_descr(MemoryData, TypeNo) -> AllocDescr | invalid_type | "unknown"</name> - <fsummary>Returns a allocator description</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - <v>TypeNo = int()</v> - <v>AllocDescr = atom() | string()</v> - </type> - <desc> - <p>Returns the allocator description of the allocator that - manages memory blocks of type number <c>TypeNo</c> used in - <c>MemoryData</c>. - Valid <c>TypeNo</c>s are in the range returned by - <seealso marker="#type_no_range/1">type_no_range/1</seealso> on - this specific memory allocation map. If <c>TypeNo</c> is an - invalid integer, <c>invalid_type</c> is returned.</p> - </desc> - </func> - <func> - <name>block_header_size(MemoryData) -> int()</name> - <fsummary>Returns the memory block header size used by the emulator that generated the memory allocation map</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - </type> - <desc> - <marker id="block_header_size_1"></marker> - <p>Returns the memory block header size used by the - emulator that generated the memory allocation map. The block - header size may differ between different emulators.</p> - </desc> - </func> - <func> - <name>class_descr(MemoryData, TypeNo) -> ClassDescr | invalid_type | "unknown"</name> - <fsummary>Returns a allocator description</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - <v>TypeNo = int()</v> - <v>ClassDescr = atom() | string()</v> - </type> - <desc> - <p>Returns the class description of the class that - the type number <c>TypeNo</c> used in <c>MemoryData</c> belongs - to. - Valid <c>TypeNo</c>s are in the range returned by - <seealso marker="#type_no_range/1">type_no_range/1</seealso> on - this specific memory allocation map. If <c>TypeNo</c> is an - invalid integer, <c>invalid_type</c> is returned.</p> - </desc> - </func> - <func> - <name>descr(MemoryData) -> DescrMemoryData</name> - <fsummary>Replace type numbers in memory allocation map with type descriptions</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - <v>DescrMemoryData = {term(), DescrAllocList}</v> - <v>DescrAllocList = [DescrDesc]</v> - <v>DescrDesc = {TypeDescr, int(), int(), DescrPidDesc}</v> - <v>TypeDescr = atom() | string()</v> - <v>DescrPidDesc = pid() | undefined</v> - </type> - <desc> - <p>Returns a memory allocation map where the type numbers (first - element of <c>Desc</c>) have been replaced by type descriptions, - and pid tuples (fourth element of <c>Desc</c>) have been - replaced by real pids.</p> - </desc> - </func> - <func> - <name>holes(MemoryData) -> ok</name> - <fsummary>Print out the sizes of unused memory blocks</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - </type> - <desc> - <p>Prints out the size of each hole (i.e., the space between - allocated blocks) on the terminal. <em>NOTE:</em> Really large holes - are probably holes between memory segments. - The memory allocation map has to be sorted (see - <seealso marker="#sort/1">sort/1</seealso>).</p> - </desc> - </func> - <func> - <name>mem_limits(MemoryData) -> {Low, High}</name> - <fsummary>Return lowest and highest memory address used</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - <v>Low = High = int()</v> - </type> - <desc> - <p>Returns a tuple <c>{Low, High}</c> indicating - the lowest and highest address used. - The memory allocation map has to be sorted (see - <seealso marker="#sort/1">sort/1</seealso>).</p> - </desc> - </func> - <func> - <name>memory_data() -> MemoryData | false</name> - <fsummary>Return the current memory allocation map</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - </type> - <desc> - <p>Returns <c>MemoryData</c> (a the memory allocation map) - if the emulator has been started with the "<c>+Mim true</c>" - command-line argument; otherwise, <c>false</c>. <em>NOTE:</em><c>memory_data/0</c> blocks execution of other processes while - the data is collected. The time it takes to collect the data can - be substantial.</p> - </desc> - </func> - <func> - <name>memory_status(StatusType) -> [StatusInfo] | false</name> - <fsummary>Return current memory allocation status</fsummary> - <type> - <v>StatusType = total | allocators | classes | types</v> - <v>StatusInfo = {About, [Info]}</v> - <v>About = atom()</v> - <v>Info = {InfoName, Current, MaxSinceLast, MaxEver}</v> - <v>InfoName = sizes|blocks</v> - <v>Current = int()</v> - <v>MaxSinceLast = int()</v> - <v>MaxEver = int()</v> - </type> - <desc> - <p>Returns a list of <c>StatusInfo</c> if the emulator has been - started with the "<c>+Mis true</c>" or "<c>+Mim true</c>" - command-line argument; otherwise, <c>false</c>. </p> - <p>See the - <seealso marker="#read_memory_status/1">read_memory_status/1</seealso> - function for a description of the <c>StatusInfo</c> term.</p> - </desc> - </func> - <func> - <name>read_memory_data(File) -> MemoryData | {error, Reason}</name> - <fsummary>Read memory allocation map</fsummary> - <type> - <v>File = string()</v> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - </type> + <name name="allocations" arity="0" since="OTP 21.0"/> + <fsummary>Return a summary of all allocations in the system.</fsummary> <desc> - <marker id="read_memory_data_1"></marker> - <p>Reads a memory allocation map from the file <c>File</c> and - returns it. The file is assumed to have been created by - <c>store_memory_data/1</c>. The error codes are the same as for - <c>file:consult/1</c>.</p> + <p>Shorthand for + <seealso marker="#allocations/1"><c>allocations(#{})</c>.</seealso></p> </desc> </func> + <func> - <name>read_memory_status(File) -> MemoryStatus | {error, Reason}</name> - <fsummary>Read memory allocation status from a file</fsummary> - <type> - <v>File = string()</v> - <v>MemoryStatus = [{StatusType, [StatusInfo]}]</v> - <v>StatusType = total | allocators | classes | types</v> - <v>StatusInfo = {About, [Info]}</v> - <v>About = atom()</v> - <v>Info = {InfoName, Current, MaxSinceLast, MaxEver}</v> - <v>InfoName = sizes|blocks</v> - <v>Current = int()</v> - <v>MaxSinceLast = int()</v> - <v>MaxEver = int()</v> - </type> - <desc> - <marker id="read_memory_status_1"></marker> - <p>Reads memory allocation status from the file <c>File</c> and - returns it. The file is assumed to have been created by - <c>store_memory_status/1</c>. The error codes are the same as - for <c>file:consult/1</c>.</p> - <p>When <c>StatusType</c> is <c>allocators</c>, <c>About</c> is - the allocator that the information is about. When - <c>StatusType</c> is <c>types</c>, <c>About</c> is - the memory block type that the information is about. Memory - block types are not described other than by their name and may - vary between emulators. When <c>StatusType</c> is <c>classes</c>, - <c>About</c> is the memory block type class that information is - presented about. Memory block types are classified after their - use. Currently the following classes exist:</p> + <name name="allocations" arity="1" since="OTP 21.0"/> + <fsummary>Return a summary of all allocations filtered by allocator type + and scheduler id.</fsummary> + <desc> + <p>Returns a summary of all tagged allocations in the system, + optionally filtered by allocator type and scheduler id.</p> + <p>Only binaries and allocations made by NIFs and drivers are tagged by + default, but this can be configured an a per-allocator basis with the + <seealso marker="erts:erts_alloc#M_atags"><c>+M<S>atags</c> + </seealso> emulator option.</p> + <p>If the specified allocator types are not enabled, the call will fail + with <c>{error, not_enabled}</c>.</p> + <p>The following options can be used:</p> <taglist> - <tag><c>process_data</c></tag> - <item>Erlang process specific data.</item> - <tag><c>binary_data</c></tag> - <item>Erlang binaries.</item> - <tag><c>atom_data</c></tag> - <item>Erlang atoms.</item> - <tag><c>code_data</c></tag> - <item>Erlang code.</item> - <tag><c>system_data</c></tag> - <item>Other data used by the system</item> + <tag><c>allocator_types</c></tag> + <item> + <p>The allocator types that will be searched. Note that blocks can + move freely between allocator types, so restricting the search to + certain allocators may return unexpected types (e.g. process + heaps when searching binary_alloc), or hide blocks that were + migrated out.</p> + <p>Defaults to all <c>alloc_util</c> allocators.</p> + </item> + <tag><c>scheduler_ids</c></tag> + <item> + <p>The scheduler ids whose allocator instances will be searched. A + scheduler id of 0 will refer to the global instance that is not + tied to any particular scheduler. Defaults to all schedulers and + the global instance.</p> + </item> + <tag><c>histogram_start</c></tag> + <item> + <p>The upper bound of the first interval in the allocated block + size histograms. Defaults to 128.</p> + </item> + <tag><c>histogram_width</c></tag> + <item> + <p>The number of intervals in the allocated block size histograms. + Defaults to 18.</p> + </item> </taglist> - <p>When <c>InfoName</c> is <c>sizes</c>, <c>Current</c>, - <c>MaxSinceLast</c>, and <c>MaxEver</c> are, respectively, current - size, maximum size since last call to - <c>store_memory_status/1</c> or <c>memory_status/1</c> with the - specific <c>StatusType</c>, and maximum size since the emulator - was started. When <c>InfoName</c> is <c>blocks</c>, <c>Current</c>, - <c>MaxSinceLast</c>, and <c>MaxEver</c> are, respectively, current - number of blocks, maximum number of blocks since last call to - <c>store_memory_status/1</c> or <c>memory_status/1</c> with the - specific <c>StatusType</c>, and maximum number of blocks since the - emulator was started. </p> - <p><em>NOTE:</em>A memory block is accounted for at - "the first level" allocator. E.g. <c>fix_alloc</c> allocates its - memory pools via <c>ll_alloc</c>. When a <c>fix_alloc</c> block - is allocated, neither the block nor the pool in which it resides - are accounted for as memory allocated via <c>ll_alloc</c> even - though it is.</p> - </desc> - </func> - <func> - <name>sort(MemoryData) -> MemoryData</name> - <fsummary>Sort the memory allocation list</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - </type> - <desc> - <marker id="sort_1"></marker> - <p>Sorts a memory allocation map so that the addresses are in - ascending order.</p> - </desc> - </func> - <func> - <name>store_memory_data(File) -> true|false</name> - <fsummary>Store the current memory allocation map on a file</fsummary> - <type> - <v>File = string()</v> - </type> - <desc> - <p>Stores the current memory allocation map on the file - <c>File</c>. Returns <c>true</c> if the emulator has been - started with the "<c>+Mim true</c>" command-line argument, and - the map was successfully stored; otherwise, <c>false</c>. The - contents of the file can later be read using - <seealso marker="#read_memory_data/1">read_memory_data/1</seealso>. - <em>NOTE:</em><c>store_memory_data/0</c> blocks execution of - other processes while the data is collected. The time it takes - to collect the data can be substantial.</p> - </desc> - </func> - <func> - <name>store_memory_status(File) -> true|false</name> - <fsummary>Store the current memory allocation status on a file</fsummary> - <type> - <v>File = string()</v> - </type> - <desc> - <p>Stores the current memory status on the file - <c>File</c>. Returns <c>true</c> if the emulator has been - started with the "<c>+Mis true</c>", or "<c>+Mim true</c>" - command-line arguments, and the data was successfully stored; - otherwise, <c>false</c>. The contents of the file can later be - read using - <seealso marker="#read_memory_status/1">read_memory_status/1</seealso>.</p> - </desc> - </func> - <func> - <name>sum_blocks(MemoryData) -> int()</name> - <fsummary>Return the total amount of memory used</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - </type> - <desc> - <p>Returns the total size of the memory blocks in the list.</p> + <p><em>Example:</em></p> + <code type="none"><![CDATA[ +> instrument:allocations(#{ histogram_start => 128, histogram_width => 15 }). +{ok,{128,0, + #{udp_inet => + #{driver_event_state => {0,0,0,0,0,0,0,0,0,1,0,0,0,0,0}}, + system => + #{heap => {0,0,0,0,20,4,2,2,2,3,0,1,0,0,1}, + db_term => {271,3,1,52,80,1,0,0,0,0,0,0,0,0,0}, + code => {0,0,0,5,3,6,11,22,19,20,10,2,1,0,0}, + binary => {18,0,0,0,7,0,0,1,0,0,0,0,0,0,0}, + message => {0,40,78,2,2,0,0,0,0,0,0,0,0,0,0}, + ... } + spawn_forker => + #{driver_select_data_state => + {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}, + ram_file_drv => #{drv_binary => {0,0,0,0,0,0,1,0,0,0,0,0,0,0,0}}, + prim_file => + #{process_specific_data => {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, + nif_trap_export_entry => {0,4,0,0,0,0,0,0,0,0,0,0,0,0,0}, + monitor_extended => {0,1,0,0,0,0,0,0,0,0,0,0,0,0,0}, + drv_binary => {0,0,0,0,0,0,1,0,3,5,0,0,0,1,0}, + binary => {0,4,0,0,0,0,0,0,0,0,0,0,0,0,0}}, + prim_buffer => + #{nif_internal => {0,4,0,0,0,0,0,0,0,0,0,0,0,0,0}, + binary => {0,4,0,0,0,0,0,0,0,0,0,0,0,0,0}}}}} + ]]></code> </desc> </func> + <func> - <name>type_descr(MemoryData, TypeNo) -> TypeDescr | invalid_type</name> - <fsummary>Returns a type description</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - <v>TypeNo = int()</v> - <v>TypeDescr = atom() | string()</v> - </type> + <name name="carriers" arity="0" since="OTP 21.0"/> + <fsummary>Return a list of all carriers in the system.</fsummary> <desc> - <p>Returns the type description of a type number used in - <c>MemoryData</c>. - Valid <c>TypeNo</c>s are in the range returned by - <seealso marker="#type_no_range/1">type_no_range/1</seealso> on - this specific memory allocation map. If <c>TypeNo</c> is an - invalid integer, <c>invalid_type</c> is returned.</p> + <p>Shorthand for + <seealso marker="#carriers/1"><c>carriers(#{})</c>.</seealso></p> </desc> </func> + <func> - <name>type_no_range(MemoryData) -> {Min, Max}</name> - <fsummary>Returns the memory block type numbers</fsummary> - <type> - <v>MemoryData = {term(), AllocList}</v> - <v>AllocList = [Desc]</v> - <v>Desc = {int(), int(), int(), PidDesc}</v> - <v>PidDesc = {int(), int(), int()} | undefined</v> - <v>Min = int()</v> - <v>Max = int()</v> - </type> + <name name="carriers" arity="1" since="OTP 21.0"/> + <fsummary>Return a list of all carriers filtered by allocator type and + scheduler id.</fsummary> <desc> - <marker id="type_no_range_1"></marker> - <p>Returns the memory block type number range used in - <c>MemoryData</c>. When the memory allocation map was generated - by an Erlang 5.3/OTP R9C or newer emulator, all integers <c>T</c> - that satisfy <c>Min</c> <= <c>T</c> <= <c>Max</c> are - valid type numbers. When the memory allocation map was generated - by a pre Erlang 5.3/OTP R9C emulator, all integers in the - range are <em>not</em> valid type numbers.</p> + <p>Returns a summary of all carriers in the system, optionally filtered + by allocator type and scheduler id.</p> + <p>If the specified allocator types are not enabled, the call will fail + with <c>{error, not_enabled}</c>.</p> + <p>The following options can be used:</p> + <taglist> + <tag><c>allocator_types</c></tag> + <item> + <p>The allocator types that will be searched. Defaults to all + <c>alloc_util</c> allocators.</p> + </item> + <tag><c>scheduler_ids</c></tag> + <item> + <p>The scheduler ids whose allocator instances will be searched. A + scheduler id of 0 will refer to the global instance that is not + tied to any particular scheduler. Defaults to all schedulers and + the global instance.</p> + </item> + <tag><c>histogram_start</c></tag> + <item> + <p>The upper bound of the first interval in the free block size + histograms. Defaults to 512.</p> + </item> + <tag><c>histogram_width</c></tag> + <item> + <p>The number of intervals in the free block size histograms. + Defaults to 14.</p> + </item> + </taglist> + <p><em>Example:</em></p> + <code type="none"><![CDATA[ +> instrument:carriers(#{ histogram_start => 512, histogram_width => 8 }). +{ok,{512, + [{ll_alloc,1048576,0,1048344,71,false,{0,0,0,0,0,0,0,0}}, + {binary_alloc,1048576,0,324640,13,false,{3,0,0,1,0,0,0,2}}, + {eheap_alloc,2097152,0,1037200,45,false,{2,1,1,3,4,3,2,2}}, + {fix_alloc,32768,0,29544,82,false,{22,0,0,0,0,0,0,0}}, + {...}|...]}} + ]]></code> </desc> </func> + </funcs> <section> diff --git a/lib/tools/doc/src/lcnt.xml b/lib/tools/doc/src/lcnt.xml index 9c8ce148e9..1d434decfc 100644 --- a/lib/tools/doc/src/lcnt.xml +++ b/lib/tools/doc/src/lcnt.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>2009</year> - <year>2016</year> + <year>2018</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -34,11 +34,11 @@ <rev>PA1</rev> <file>lcnt.xml</file> </header> - <module>lcnt</module> + <module since="OTP R13B04">lcnt</module> <modulesummary>A runtime system Lock Profiling tool.</modulesummary> <description> <p>The <c>lcnt</c> module is used to profile the internal ethread locks in the - Erlang Runtime System. With <c>lcnt</c> enabled, Internal counters in the + Erlang Runtime System. With <c>lcnt</c> enabled, internal counters in the runtime system are updated each time a lock is taken. The counters stores information about the number of acquisition tries and the number of collisions that has occurred during the acquisition tries. The counters also record the @@ -47,17 +47,17 @@ <p> The data produced by the lock counters will give an estimate on how well the runtime system will behave from a parallelizable view point for the - scenarios tested. This tool was mainly developed to help erlang runtime + scenarios tested. This tool was mainly developed to help Erlang runtime developers iron out potential and generic bottlenecks. </p> <p>Locks in the emulator are named after what type of resource they protect and where in the emulator they are initialized, those are lock 'classes'. Most of those locks are also instantiated several times, and given unique identifiers, to increase locking granularity. Typically an instantiated lock protects a disjunct set of - the resource, i.e ets-tables, processes or ports. In other cases it protects a - specific range of a resource, e.g. <c>pix_lock</c> which protects index to process + the resource, for example ets tables, processes or ports. In other cases it protects a + specific range of a resource, for example <c>pix_lock</c> which protects index to process mappings, and is given a unique number within the class. A unique lock in <c>lcnt</c> - is referenced by a name (class) and an identifier, <c>{Name, Id}</c>. + is referenced by a name (class) and an identifier: <c>{Name, Id}</c>. </p> <p>Some locks in the system are static and protects global resources, for example <c>bif_timers</c> and the <c>run_queue</c> locks. Other locks are dynamic and not @@ -71,7 +71,7 @@ <funcs> <func> - <name>start() -> {ok, Pid} | {error, {already_started, Pid}} </name> + <name since="OTP R13B04">start() -> {ok, Pid} | {error, {already_started, Pid}} </name> <fsummary>Starts the lock profiler server.</fsummary> <type> <v>Pid = pid()</v> @@ -84,7 +84,7 @@ </func> <func> - <name>stop() -> ok</name> + <name since="OTP R13B04">stop() -> ok</name> <fsummary>Stops the lock profiler server.</fsummary> <desc> <p>Stops the lock profiler server.</p> @@ -92,13 +92,13 @@ </func> <func> - <name>collect() -> ok</name> + <name since="OTP R13B04">collect() -> ok</name> <fsummary>Same as <c>collect(node())</c>.</fsummary> <desc><p>Same as <c>collect(node())</c>.</p></desc> </func> <func> - <name>collect(Node) -> ok</name> + <name since="OTP R13B04">collect(Node) -> ok</name> <fsummary>Collects lock statistics from the runtime system.</fsummary> <type> <v>Node = node()</v> @@ -109,25 +109,17 @@ statistics. If the server held any lock statistics data before the collect then that data is lost. </p> - <note> - <p> - When collection occurs the runtime system transitions to a single thread, - blocking all other threads. No other tasks will be scheduled during this - operation. Depending on the size of the data this might take a long time - (several seconds) and cause timeouts in the system. - </p> - </note> </desc> </func> <func> - <name>clear() -> ok</name> + <name since="OTP R13B04">clear() -> ok</name> <fsummary>Same as <c>clear(node())</c>.</fsummary> <desc><p>Same as <c>clear(node())</c>.</p></desc> </func> <func> - <name>clear(Node) -> ok</name> + <name since="OTP R13B04">clear(Node) -> ok</name> <fsummary>Clears the internal lock statistics from runtime system.</fsummary> <type> <v>Node = node()</v> @@ -141,12 +133,12 @@ </desc> </func> <func> - <name>conflicts() -> ok</name> + <name since="OTP R13B04">conflicts() -> ok</name> <fsummary>Same as <c>conflicts([])</c>.</fsummary> <desc><p>Same as <c>conflicts([])</c>.</p></desc> </func> <func> - <name>conflicts([Option]) -> ok</name> + <name since="OTP R13B04">conflicts([Option]) -> ok</name> <fsummary>Prints a list of internal lock counters.</fsummary> <type> <v>Option = {sort, Sort} | {reverse, bool()} | {thresholds, [Thresholds]} | {print, [Print | {Print, integer()}]} | {max_locks, MaxLocks} | {combine, bool()}</v> @@ -162,14 +154,14 @@ </func> <func> - <name>locations() -> ok</name> + <name since="OTP R13B04">locations() -> ok</name> <fsummary>Same as <c>locations([])</c>.</fsummary> <desc> <p>Same as <c>locations([])</c>.</p> </desc> </func> <func> - <name>locations([Option]) -> ok</name> + <name since="OTP R13B04">locations([Option]) -> ok</name> <fsummary>Prints a list of internal lock counters by source code locations.</fsummary> <type> <v>Option = {sort, Sort} | {thresholds, [Thresholds]} | {print, [Print | {Print, integer()}]} | {max_locks, MaxLocks} | {combine, bool()}</v> @@ -185,12 +177,12 @@ </func> <func> - <name>inspect(Lock) -> ok</name> + <name since="OTP R13B04">inspect(Lock) -> ok</name> <fsummary>Same as <c>inspect(Lock, [])</c>.</fsummary> <desc><p>Same as <c>inspect(Lock, [])</c>.</p></desc> </func> <func> - <name>inspect(Lock, [Option]) -> ok</name> + <name since="OTP R13B04">inspect(Lock, [Option]) -> ok</name> <fsummary>Prints a list of internal lock counters for a specific lock.</fsummary> <type> <v>Lock = Name | {Name, Id | [Id]}</v> @@ -276,7 +268,7 @@ </func> <func> - <name>information() -> ok</name> + <name since="OTP R13B04">information() -> ok</name> <fsummary>Prints lcnt server state and generic information about collected lock statistics.</fsummary> <desc> <p>Prints lcnt server state and generic information about collected lock statistics.</p> @@ -284,7 +276,7 @@ </func> <func> - <name>swap_pid_keys() -> ok</name> + <name since="OTP R13B04">swap_pid_keys() -> ok</name> <fsummary>Swaps places on <c>Name</c> and <c>Id</c> space for ports and processes.</fsummary> <desc> <p>Swaps places on <c>Name</c> and <c>Id</c> space for ports and processes.</p> @@ -292,7 +284,7 @@ </func> <func> - <name>load(Filename) -> ok</name> + <name since="OTP R13B04">load(Filename) -> ok</name> <fsummary>Restores previously saved data to the server.</fsummary> <type> <v>Filename = filename()</v> @@ -303,7 +295,7 @@ </func> <func> - <name>save(Filename) -> ok</name> + <name since="OTP R13B04">save(Filename) -> ok</name> <fsummary>Saves the collected data to file.</fsummary> <type> <v>Filename = filename()</v> @@ -320,30 +312,28 @@ </section> <funcs> <func> - <name>apply(Fun) -> term()</name> + <name since="OTP R13B04">apply(Fun) -> term()</name> <fsummary>Same as <c>apply(Fun, [])</c>.</fsummary> + <type> + <v>Fun = fun()</v> + </type> <desc> <p>Same as <c>apply(Fun, [])</c>.</p> </desc> </func> <func> - <name>apply(Fun, Args) -> term()</name> - <fsummary>Clears counters, applies function and collects the profiling results.</fsummary> + <name since="OTP R13B04">apply(Fun, Args) -> term()</name> + <fsummary>Same as <c>apply(Module, Function, Args)</c>.</fsummary> <type> <v>Fun = fun()</v> <v>Args = [term()]</v> </type> <desc> - <p> Clears the lock counters and then setups the instrumentation to save all destroyed locks. - After setup the fun is called, passing the elements in <c>Args</c> as arguments. - When the fun returns the statistics are immediately collected to the server. After the - collection the instrumentation is returned to its previous behavior. - The result of the applied fun is returned. - </p> + <p>Same as <c>apply(Module, Function, Args)</c>.</p> </desc> </func> <func> - <name>apply(Module, Function, Args) -> term()</name> + <name since="OTP R13B04">apply(Module, Function, Args) -> term()</name> <fsummary>Clears counters, applies function and collects the profiling results.</fsummary> <type> <v>Module = atom()</v> @@ -357,16 +347,23 @@ collection the instrumentation is returned to its previous behavior. The result of the applied function is returned. </p> + <warning> + <p> + This function should only be used for micro-benchmarks; it sets <c>copy_save</c> + to <c>true</c> for the duration of the call, which can quickly lead to running + out of memory. + </p> + </warning> </desc> </func> <func> - <name>pid(Id, Serial) -> pid()</name> + <name since="OTP R13B04">pid(Id, Serial) -> pid()</name> <fsummary>Same as <c>pid(node(), Id, Serial)</c>.</fsummary> <desc><p>Same as <c>pid(node(), Id, Serial)</c>.</p></desc> </func> <func> - <name>pid(Node, Id, Serial) -> pid()</name> + <name since="OTP R13B04">pid(Node, Id, Serial) -> pid()</name> <fsummary>Creates a process id with creation 0.</fsummary> <type> <v>Node = node()</v> @@ -374,17 +371,17 @@ <v>Serial = integer()</v> </type> <desc> - <p>Creates a process id with creation 0. Example:</p> + <p>Creates a process id with creation 0.</p> </desc> </func> <func> - <name>port(Id) -> port()</name> + <name since="OTP R13B04">port(Id) -> port()</name> <fsummary>Same as <c>port(node(), Id)</c>.</fsummary> <desc><p>Same as <c>port(node(), Id)</c>.</p></desc> </func> <func> - <name>port(Node, Id) -> port()</name> + <name since="OTP R13B04">port(Node, Id) -> port()</name> <fsummary>Creates a port id with creation 0.</fsummary> <type> <v>Node = node()</v> @@ -402,12 +399,12 @@ <funcs> <func> - <name>rt_collect() -> [lock_counter_data()]</name> + <name since="OTP R13B04">rt_collect() -> [lock_counter_data()]</name> <fsummary>Same as <c>rt_collect(node())</c>.</fsummary> <desc> <p>Same as <c>rt_collect(node())</c>.</p> </desc> </func> <func> - <name>rt_collect(Node) -> [lock_counter_data()]</name> + <name since="OTP R13B04">rt_collect(Node) -> [lock_counter_data()]</name> <fsummary>Returns a list of raw lock counter data.</fsummary> <type> <v>Node = node()</v> @@ -416,12 +413,12 @@ </func> <func> - <name>rt_clear() -> ok</name> + <name since="OTP R13B04">rt_clear() -> ok</name> <fsummary>Same as <c>rt_clear(node())</c>.</fsummary> <desc> <p>Same as <c>rt_clear(node())</c>.</p> </desc> </func> <func> - <name>rt_clear(Node) -> ok</name> + <name since="OTP R13B04">rt_clear(Node) -> ok</name> <fsummary>Clears the internal counters.</fsummary> <type> <v>Node = node()</v> @@ -429,29 +426,100 @@ <desc> <p>Clear the internal counters. Same as <c>lcnt:clear(Node)</c>.</p></desc> </func> + <func> + <name since="OTP 20.1">rt_mask() -> [category_atom()]</name> + <fsummary>Same as <c>rt_mask(node())</c>.</fsummary> + <desc><p>Same as <c>rt_mask(node())</c>.</p></desc> + </func> + + <func> + <name since="OTP 20.1">rt_mask(Node) -> [category_atom()]</name> + <fsummary>Returns the current lock category mask.</fsummary> + <type> + <v>Node = node()</v> + </type> + <desc> + <p> + Refer to <c>rt_mask/2</c> for a list of valid categories. All + categories are enabled by default. + </p> + </desc> + </func> + + <func> + <name since="OTP 20.1">rt_mask(Categories) -> ok | {error, copy_save_enabled}</name> + <fsummary>Same as <c>rt_mask(node(), Categories)</c>.</fsummary> + <type> + <v>Categories = [atom()]</v> + </type> + <desc><p>Same as <c>rt_mask(node(), Categories)</c>.</p></desc> + </func> + + <func> + <name since="OTP 20.1">rt_mask(Node, Categories) -> ok | {error, copy_save_enabled}</name> + <fsummary>Changes the lock category mask.</fsummary> + <type> + <v>Node = node()</v> + <v>Categories = [atom()]</v> + </type> + <desc> + <p> + Sets the lock category mask to the given categories. + </p> + <p> + This will fail if the <c>copy_save</c> option is enabled; see + <c>lcnt:rt_opt/2</c>. + </p> + <p>Valid categories are:</p> + <list> + <item><c>allocator</c></item> + <item><c>db</c> (ETS tables)</item> + <item><c>debug</c></item> + <item><c>distribution</c></item> + <item><c>generic</c></item> + <item><c>io</c></item> + <item><c>process</c></item> + <item><c>scheduler</c></item> + </list> + <p> + This list is subject to change at any time, as is the category any given lock + may belong to. + </p> + </desc> + </func> + <func> - <name>rt_opt({Type, bool()}) -> bool()</name> + <name since="OTP R13B04">rt_opt({Type, bool()}) -> bool()</name> <fsummary>Same as <c>rt_opt(node(), {Type, Opt})</c>.</fsummary> <desc> <p>Same as <c>rt_opt(node(), {Type, Opt})</c>.</p> </desc> </func> <func> - <name>rt_opt(Node, {Type, bool()}) -> bool()</name> + <name since="OTP R13B04">rt_opt(Node, {Type, bool()}) -> bool()</name> <fsummary>Changes the lock counter behavior and returns the previous behaviour.</fsummary> <type> <v>Node = node()</v> <v>Type = copy_save | process_locks</v> </type> <desc> - <p>Changes the lock counter behavior and returns the previous behaviour.</p> <p>Option description:</p> <taglist> <tag><c>{copy_save, bool()}</c></tag> - <item>Enable statistics saving from destroyed locks by copying. This might consume a lot of memory. + <item>Retains the statistics of destroyed locks. <br/>Default: <c>false</c> + <warning> + <p> + This option will use a lot of memory when enabled, which must be + reclaimed with <c>lcnt:rt_clear</c>. Note that it makes no distinction + between locks that were destroyed and locks for which counting was + disabled, so enabling this option will disable changes to the lock + category mask. + </p> + </warning> </item> <tag><c>{process_locks, bool()}</c></tag> - <item>Profile process locks. + <item>Profile process locks, equal to adding <c>process</c> to the lock category mask; + see <c>lcnt:rt_mask/2</c> <br/>Default: <c>true</c> </item> </taglist> diff --git a/lib/tools/doc/src/lcnt_chapter.xml b/lib/tools/doc/src/lcnt_chapter.xml index 6cfdb5cf1b..24b58136aa 100644 --- a/lib/tools/doc/src/lcnt_chapter.xml +++ b/lib/tools/doc/src/lcnt_chapter.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2009</year><year>2016</year> + <year>2009</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -29,7 +29,7 @@ <approved>nobody</approved> <checked>no</checked> <date>2009-11-26</date> - <rev>PA1</rev> + <rev>PA2</rev> <file>lcnt_chapter.xml</file> </header> <p> @@ -42,42 +42,32 @@ completed its access to the resource and unlocked it. The <c>lcnt</c> tool measures these lock conflicts. </p> <p> - Locks has an inherent cost in execution time and memory space. It takes time initialize, destroy, aquiring or releasing locks. To decrease lock contention it + Locks have an inherent cost in execution time and memory space. It takes time initialize, destroy, aquiring or releasing locks. To decrease lock contention it some times necessary to use finer grained locking strategies. This will usually also increase the locking overhead and hence there is a tradeoff between lock contention and overhead. In general, lock contention increases with the number of threads running concurrently. The <c>lcnt</c> tool does not measure locking overhead. </p> <section> <title> Enabling lock-counting </title> - <p>For investigation of locks in the emulator we use an internal tool called <c>lcnt</c> (short for lock-count). The VM needs to be compiled with this option enabled. To enable this, use:</p> + <p>For investigation of locks in the emulator we use an internal tool called <c>lcnt</c> (short for lock-count). The VM needs to be compiled with this option enabled. + To compile a lock-counting VM along with a normal VM, use:</p> <pre> cd $ERL_TOP -./configure --enable-lock-counter - </pre> - - <p> - Another way to enable this alongside a normal VM is to compile it at emulator directory level, much like a debug build. To compile it this way do the following, - </p> - <pre> -cd $ERL_TOP/erts/emulator -make lcnt FLAVOR=smp - </pre> - <p> and then starting Erlang with,</p> +./configure --enable-lock-counter</pre> + <p>Start the lock-counting VM like this:</p> <pre> -$ERL_TOP/bin/cerl -lcnt - </pre> - <p>To verify that you lock-counting enabled check that <c>[lock-counting]</c> appears in the status text when the VM is started.</p> +$ERL_TOP/bin/erl -emu_type lcnt</pre> + <p>To verify that lock counting is enabled check that <c>[lock-counting]</c> appears in the status text when the VM is started.</p> <pre> -Erlang R13B03 (erts-5.7.4) [source] [64-bit] [smp:8:8] [rq:8] [async-threads:0] [hipe] - [kernel-poll:false] [lock-counting] - </pre> +Erlang/OTP 20 [erts-9.0] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] + [kernel-poll:false] [lock-counting]</pre> </section> <section> <title>Getting started</title> <p>Once you have a lock counting enabled VM the module <c>lcnt</c> can be used. The module is intended to be used from the current running nodes shell. To access remote nodes use <c>lcnt:clear(Node)</c> and <c>lcnt:collect(Node)</c>. </p> <p>All locks are continuously monitored and its statistics updated. Use <c>lcnt:clear/0</c> to initially clear all counters before running any specific tests. This command will also reset the duration timer internally.</p> - <p>To retrieve lock statistics information use, <c>lcnt:collect/0,1</c>. The collect operation will start a <c>lcnt</c> server if it not already started. All collected data will be built into an erlang term and uploaded to the server and a duration time will also be uploaded. This duration is the time between <c>lcnt:clear/0,1</c> and <c>lcnt:collect/0,1</c>.</p> + <p>To retrieve lock statistics information, use <c>lcnt:collect/0,1</c>. The collect operation will start a <c>lcnt</c> server if it not already started. All collected data will be built into an Erlang term and uploaded to the server and a duration time will also be uploaded. This duration is the time between <c>lcnt:clear/0,1</c> and <c>lcnt:collect/0,1</c>.</p> <p>Once the data is collected to the server it can be filtered, sorted and printed in many different ways.</p> <p>See the <seealso marker="lcnt">reference manual</seealso> for a description of each function.</p> @@ -107,8 +97,11 @@ ok ok </pre> <p> - Another way to to profile a specific function is to use <c>lcnt:apply/3</c> or <c>lcnt:apply/1</c> which does <c>lcnt:clear/0</c> before the function and <c>lcnt:collect/0</c> after its invocation. - It also sets <c>copy_save</c> to <c>true</c> for the duration of the function call + Another way to to profile a specific function is to use <c>lcnt:apply/3</c> or <c>lcnt:apply/1</c> + which does <c>lcnt:clear/0</c> before the function and <c>lcnt:collect/0</c> after its invocation. + This method should only be used in micro-benchmarks since it sets <c>copy_save</c> to <c>true</c> + for the duration of the function call, which may cause the emulator to run out of memory if + attempted under load. </p> <pre> Erlang R13B03 (erts-5.7.4) [source] [smp:8:8] [rq:8] [async-threads:0] [hipe] diff --git a/lib/tools/doc/src/make.xml b/lib/tools/doc/src/make.xml index fddf5ebd7b..322d77323f 100644 --- a/lib/tools/doc/src/make.xml +++ b/lib/tools/doc/src/make.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>1996</year> - <year>2016</year> + <year>2017</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -30,7 +30,7 @@ <date></date> <rev></rev> </header> - <module>make</module> + <module since="">make</module> <modulesummary>A Make Utility for Erlang</modulesummary> <description> <p>The module <c>make</c> provides a set of functions similar to @@ -38,20 +38,20 @@ </description> <funcs> <func> - <name>all() -> up_to_date | error</name> - <name>all(Options) -> up_to_date | error</name> + <name since="">all() -> up_to_date | error</name> + <name since="">all(Options) -> up_to_date | error</name> <fsummary>Compile a set of modules.</fsummary> <type> <v>Options = [Option]</v> - <v> Option = noexec | load | netload | <compiler option></v> + <v> Option = noexec | load | netload | {emake, Emake} | <compiler option></v> </type> <desc> - <p>This function first looks in the current working directory - for a file named <c>Emakefile</c> (see below) specifying the - set of modules to compile and the compile options to use. If - no such file is found, the set of modules to compile - defaults to all modules in the current working - directory.</p> + <p>This function determines the set of modules to compile and the + compile options to use, by first looking for the <c>emake</c> make + option, if not present reads the configuration from a file named + <c>Emakefile</c> (see below). If no such file is found, the + set of modules to compile defaults to all modules in the + current working directory.</p> <p>Traversing the set of modules, it then recompiles every module for which at least one of the following conditions apply:</p> <list type="bulleted"> @@ -77,6 +77,9 @@ <item><c>netload</c> <br></br> Net load mode. Loads all recompiled modules on all known nodes.</item> + <item><c>{emake, Emake}</c> <br></br> + + Rather than reading the <c>Emakefile</c> specify configuration explicitly.</item> </list> <p>All items in <c>Options</c> that are not make options are assumed to be compiler options and are passed as-is to @@ -84,8 +87,8 @@ </desc> </func> <func> - <name>files(ModFiles) -> up_to_date | error</name> - <name>files(ModFiles, Options) -> up_to_date | error</name> + <name since="">files(ModFiles) -> up_to_date | error</name> + <name since="">files(ModFiles, Options) -> up_to_date | error</name> <fsummary>Compile a set of modules.</fsummary> <type> <v>ModFiles = [Module | File]</v> @@ -108,9 +111,10 @@ <section> <title>Emakefile</title> - <p><c>make:all/0,1</c> and <c>make:files/1,2</c> looks in the - current working directory for a file named <c>Emakefile</c>. If - it exists, <c>Emakefile</c> should contain elements like this:</p> + <p><c>make:all/0,1</c> and <c>make:files/1,2</c> first looks for + <c>{emake, Emake}</c> in options, then in the current working directory + for a file named <c>Emakefile</c>. If present <c>Emake</c> should + contain elements like this:</p> <code type="none"> Modules. {Modules,Options}. </code> @@ -141,5 +145,10 @@ Modules. {'*',[debug_info]}. </code> <p></p> </section> + + <section> + <title>See Also</title> + <p><seealso marker="compiler:compile"><c>compile(3)</c></seealso></p> + </section> </erlref> diff --git a/lib/tools/doc/src/note.gif b/lib/tools/doc/src/note.gif Binary files differdeleted file mode 100644 index 6fffe30419..0000000000 --- a/lib/tools/doc/src/note.gif +++ /dev/null diff --git a/lib/tools/doc/src/notes.xml b/lib/tools/doc/src/notes.xml index af20200d49..09ae5ef04a 100644 --- a/lib/tools/doc/src/notes.xml +++ b/lib/tools/doc/src/notes.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2004</year><year>2016</year> + <year>2004</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -31,6 +31,370 @@ </header> <p>This document describes the changes made to the Tools application.</p> +<section><title>Tools 3.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Add <c>cprof</c> and <c>tags</c> modules to .app file so + that they are included in releases.</p> + <p> + Own Id: OTP-15534 Aux Id: PR-2078 </p> + </item> + <item> + <p> + Improved documentation parsing in emacs erldoc + functionality.</p> + <p> + Own Id: OTP-15699 Aux Id: PR-2184 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>The <c>cover</c> tool now uses the <c>counters</c> + module instead of <c>ets</c> for updating the counters + for how many times a line has been executed. By default, + Cover will work with distributed nodes, but a new + function <c>cover:local_only/0</c> allows running the + Cover in a restricted but faster local-only mode.</p> + <p>The increase in speed will vary depending on the type + of code being cover-compiled, but as an example, the + compiler test suite runs more than twice as fast with the + new Cover.</p> + <p> + Own Id: OTP-15575</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 3.1.0.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p><c>cover</c> would fail to start if two processes + tried to start it at the exact same time.</p> + <p> + Own Id: OTP-15813 Aux Id: ERL-943 </p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 3.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Minor fixes for <c>make clean</c>.</p> + <p> + Own Id: OTP-15657</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + In the HTML file generated by + <c>cover:analyse_to_file/1,2</c>, a link is now added to + the line number. This makes it easier to share pointers + to specific lines.</p> + <p> + Own Id: OTP-15541</p> + </item> + <item> + <p> + Uncovered lines are now marked with a sad face, + <c>:-(</c>, in the HTML output from + <c>cover:analyse_to_file/1,2</c>. This is to make these + lines easier to find by search.</p> + <p> + Own Id: OTP-15542</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 3.0.2</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Remove emacs warnings and added more tests.</p> + <p> + Own Id: OTP-15476</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 3.0.1</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + The HTML pages generated by cover:analyse_to_file/1 and + related functions is improved for readability.</p> + <p> + Own Id: OTP-15213 Aux Id: PR-1807 </p> + </item> + <item> + <p> + Add alignment functionality in emacs.</p> + <p> + Own Id: OTP-15239 Aux Id: PR-1728 </p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 3.0</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>Added <c>instrument:allocations</c> and + <c>instrument:carriers</c> for retrieving information + about memory utilization and fragmentation.</p> + <p>The old <c>instrument</c> interface has been removed, + as have the related options <c>+Mim</c> and + <c>+Mis</c>.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-14961</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.11.2.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p><c>cover</c> would fail to start if two processes + tried to start it at the exact same time.</p> + <p> + Own Id: OTP-15813 Aux Id: ERL-943 </p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.11.2.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Minor fixes for <c>make clean</c>.</p> + <p> + Own Id: OTP-15657</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.11.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> A counting bug is corrected in <c>Cover</c>. The bug + was introduced in Erlang/OTP 18.0. </p> + <p> + Own Id: OTP-14817 Aux Id: PR 1641 </p> + </item> + <item> + <p>The <c>lcnt</c> server will no longer crash if + <c>lcnt:information/0</c> is called before + <c>lcnt:collect/0</c>.</p> + <p> + Own Id: OTP-14912</p> + </item> + <item> + <p><c>lcnt:collect</c> will now implicitly start the + <c>lcnt</c> server, as per the documentation.</p> + <p> + Own Id: OTP-14913</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Improved indentation in emacs and various other updates.</p> + <p> + Own Id: OTP-14944</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.11.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> Removed all old unused files in the documentation. + </p> + <p> + Own Id: OTP-14475 Aux Id: ERL-409, PR-1493 </p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.11</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> The predefined Xref analysis <c>locals_not_used</c> + no longer reports unused functions with the + <c>-on_load()</c> attribute.</p> <p> The new predefined + Xref variable <c>OL</c> holds all functions with the + <c>-on_load()</c> attribute. </p> + <p> + Own Id: OTP-14344</p> + </item> + <item> + <p> + In fprof when sampling multiple processes and analyzing + with totals set to true, the output now sums together all + caller and callee entries which concerns the same + function. Previous behaviour was to report each + contributing entry separately.</p> + <p> + Own Id: OTP-14500</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>Lock counting can now be fully toggled at runtime in + the lock counting emulator (<c>-emu_type lcnt</c>). + Everything is enabled by default to match the old + behavior, but specific categories can be toggled at will + with minimal runtime overhead when disabled. Refer to the + documentation on <c>lcnt:rt_mask/1</c> for details.</p> + <p> + Own Id: OTP-13170</p> + </item> + <item> + <p><c>lcnt:collect</c> and <c>lcnt:clear</c> will no + longer block all other threads in the runtime system.</p> + <p> + Own Id: OTP-14412</p> + </item> + <item> + <p> + General Unicode improvements.</p> + <p> + Own Id: OTP-14462</p> + </item> + <item> + <p> + Tools are updated to show Unicode atoms correctly.</p> + <p> + Own Id: OTP-14464</p> + </item> + <item> + <p>Add <c>erlang:iolist_to_iovec/1</c>, which converts an + iolist() to an erlang:iovec(), which suitable for use + with <c>enif_inspect_iovec</c>.</p> + <p> + Own Id: OTP-14520</p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.10.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + In OTP-20.0, the behavior of c, make, and ct_make was + changed so that in some cases the beam files by default + would be written to the directory where the source files + were found. This is now changed back to the old behavior + so beam files are by default written to current + directory.</p> + <p> + Own Id: OTP-14489 Aux Id: ERL-438 </p> + </item> + </list> + </section> + +</section> + +<section><title>Tools 2.10</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + In some situations, <c>make:all()</c> and friends did not + detect changes in include files located in the current + directory. This is now corrected.</p> + <p> + Own Id: OTP-14339 Aux Id: ERL-395 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>The <c>make</c> module now accepts the + <c>{emake,Emake}</c> option.</p> + <p> + Own Id: OTP-14253</p> + </item> + <item> + <p> Miscellaneous updates due to atoms containing + arbitrary Unicode characters. </p> + <p> + Own Id: OTP-14285</p> + </item> + </list> + </section> + +</section> + <section><title>Tools 2.9.1</title> <section><title>Improvements and New Features</title> @@ -1629,4 +1993,3 @@ </section> </section> </chapter> - diff --git a/lib/tools/doc/src/part_notes.xml b/lib/tools/doc/src/part_notes.xml deleted file mode 100644 index c4c6fa4d7d..0000000000 --- a/lib/tools/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>Tools Release Notes</title> - <prepared></prepared> - <docno></docno> - <date></date> - <rev></rev> - </header> - <description> - <p>The <em>Tools</em> application contains a number of stand-alone - tools, which are useful when developing Erlang programs.</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/tools/doc/src/part_notes_history.xml b/lib/tools/doc/src/part_notes_history.xml deleted file mode 100644 index a34e35fc56..0000000000 --- a/lib/tools/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>Tools Release Notes History</title> - <prepared></prepared> - <docno></docno> - <date></date> - <rev></rev> - </header> - <description> - <p>The <em>Tools</em> application contains a number of stand-alone - tools, which are useful when developing Erlang programs.</p> - </description> - <include file="notes_history"></include> -</part> - diff --git a/lib/tools/doc/src/specs.xml b/lib/tools/doc/src/specs.xml new file mode 100644 index 0000000000..0b5b7b171c --- /dev/null +++ b/lib/tools/doc/src/specs.xml @@ -0,0 +1,12 @@ +<?xml version="1.0" encoding="utf-8" ?> +<specs xmlns:xi="http://www.w3.org/2001/XInclude"> + <xi:include href="../specs/specs_fprof.xml"/> + <xi:include href="../specs/specs_make.xml"/> + <xi:include href="../specs/specs_lcnt.xml"/> + <xi:include href="../specs/specs_eprof.xml"/> + <xi:include href="../specs/specs_tags.xml"/> + <xi:include href="../specs/specs_cover.xml"/> + <xi:include href="../specs/specs_xref.xml"/> + <xi:include href="../specs/specs_instrument.xml"/> + <xi:include href="../specs/specs_erlang_mode.xml"/> +</specs> diff --git a/lib/tools/doc/src/tags.xml b/lib/tools/doc/src/tags.xml index ea0ae5cc4d..90a8b28177 100644 --- a/lib/tools/doc/src/tags.xml +++ b/lib/tools/doc/src/tags.xml @@ -32,7 +32,7 @@ <rev>A</rev> <file>tags.sgml</file> </header> - <module>tags</module> + <module since="">tags</module> <modulesummary>Generate Emacs TAGS file from Erlang source files</modulesummary> <description> <p>A <c>TAGS</c> file is used by Emacs to find function and variable @@ -42,14 +42,14 @@ </description> <funcs> <func> - <name>file(File [, Options])</name> + <name since="">file(File [, Options])</name> <fsummary>Create a <c>TAGS</c>file for the file <c>File</c>.</fsummary> <desc> <p>Create a <c>TAGS</c> file for the file <c>File</c>.</p> </desc> </func> <func> - <name>files(FileList [, Options])</name> + <name since="">files(FileList [, Options])</name> <fsummary>Create a TAGS file for the files in the list<c>FileList</c>.</fsummary> <desc> <p>Create a TAGS file for the files in the list @@ -57,7 +57,7 @@ </desc> </func> <func> - <name>dir(Dir [, Options])</name> + <name since="">dir(Dir [, Options])</name> <fsummary>Create a TAGS file for all files in directory<c>Dir</c>.</fsummary> <desc> <p>Create a TAGS file for all files in directory @@ -65,7 +65,7 @@ </desc> </func> <func> - <name>dirs(DirList [, Options])</name> + <name since="">dirs(DirList [, Options])</name> <fsummary>Create a TAGS file for all files in any directory in<c>DirList</c>.</fsummary> <desc> <p>Create a TAGS file for all files in any directory in @@ -73,7 +73,7 @@ </desc> </func> <func> - <name>subdir(Dir [, Options])</name> + <name since="">subdir(Dir [, Options])</name> <fsummary>Descend recursively down the directory <c>Dir</c>and create a <c>TAGS</c>file based on all files found.</fsummary> <desc> <p>Descend recursively down the directory <c>Dir</c> and @@ -81,7 +81,7 @@ </desc> </func> <func> - <name>subdirs(DirList [, Options])</name> + <name since="">subdirs(DirList [, Options])</name> <fsummary>Descend recursively down all the directories in<c>DirList</c>and create a <c>TAGS</c>file based on all files found.</fsummary> <desc> <p>Descend recursively down all the directories in @@ -90,7 +90,7 @@ </desc> </func> <func> - <name>root([Options])</name> + <name since="">root([Options])</name> <fsummary>Create a <c>TAGS</c>file covering all files in the Erlang distribution.</fsummary> <desc> <p>Create a <c>TAGS</c> file covering all files in diff --git a/lib/tools/doc/src/venn2.fig b/lib/tools/doc/src/venn2.fig index 3694c12f0c..233686a729 100644 --- a/lib/tools/doc/src/venn2.fig +++ b/lib/tools/doc/src/venn2.fig @@ -1,4 +1,4 @@ -#FIG 3.2 +#FIG 3.2 Produced by xfig version 3.2.5c Portrait Center Inches @@ -7,34 +7,7 @@ Letter Single -2 1200 2 -6 3392 953 5034 3329 -6 3392 953 5034 2595 -6 3392 953 5034 2595 -5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2652.489 1773.500 3518 1357 3613 1774 3518 2190 -5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 6306.956 1773.000 4028 2575 3891 1774 4028 971 -5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2105.283 1773.000 4402 971 4538 1774 4402 2575 -1 1 0 1 -1 7 0 0 -1 0.000 1 0.0000 4214 1774 820 821 4214 1774 3659 1171 -2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 1 - 4821 2325 -2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 2 - 4816 1217 4816 2329 -2 1 0 1 -1 7 0 0 -1 0.000 0 0 7 0 0 2 - 3392 1769 4816 1769 -2 1 0 1 0 0 100 0 1 0.000 0 0 -1 0 0 2 - 4816 1982 5008 1982 --6 -2 3 0 0 0 0 101 0 5 0.000 0 0 -1 0 0 36 - 4026 977 4011 1025 3996 1072 3981 1120 3966 1177 3954 1225 - 3944 1272 3929 1327 3919 1412 3909 1477 3899 1540 3894 1592 - 3894 1642 3891 1697 3889 1742 3889 1770 3394 1767 3396 1717 - 3399 1665 3409 1610 3424 1555 3439 1502 3464 1440 3489 1390 - 3516 1340 3551 1292 3584 1250 3631 1200 3679 1150 3731 1110 - 3801 1065 3869 1030 3931 1005 3986 982 4009 980 4026 977 --6 -4 0 0 101 0 0 11 0.0000 4 105 525 3965 3044 X - XU\001 -4 0 0 101 0 0 11 0.0000 4 150 1110 3688 3299 exports_not_used\001 --6 -6 5850 938 7560 3329 +6 5850 938 8070 3344 6 5884 938 7526 2580 6 5884 938 7526 2580 5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 5144.489 1758.500 6010 1342 6105 1759 6010 2175 @@ -63,8 +36,8 @@ Single 7019 1990 7022 1945 7027 1900 7029 1855 7029 1805 7032 1765 7029 1752 7309 1757 -6 -4 0 0 101 0 0 11 0.0000 4 135 1470 6000 3014 L * (UU + (XU - LU))\001 -4 0 0 101 0 0 11 0.0000 4 150 1800 5850 3299 locals_not_used (simplified)\001 +4 0 0 101 0 0 11 0.0000 4 180 2070 6000 3014 (L-OL) * (UU + (XU-LU))\001 +4 0 0 101 0 0 11 0.0000 4 180 2160 5850 3299 locals_not_used (simplified)\001 -6 6 900 900 2550 3600 6 900 900 2550 2625 @@ -91,7 +64,34 @@ Single 2330 1222 2365 1265 2402 1317 2437 1382 2477 1455 2500 1517 2520 1585 2532 1645 2540 1712 2542 1780 2540 1842 2535 1907 2527 1957 2517 1990 2325 1987 2330 1222 -4 0 0 101 0 0 11 0.0000 4 105 780 1331 3044 XU - X - B\001 -4 0 0 101 0 0 11 0.0000 4 150 1260 1113 3314 undefined_functions\001 +4 0 0 101 0 0 11 0.0000 4 135 825 1331 3044 XU - X - B\001 +4 0 0 101 0 0 11 0.0000 4 180 1530 1113 3314 undefined_functions\001 4 0 0 100 0 0 10 0.0000 4 135 1005 1275 3525 (modules mode)\001 -6 +6 3392 953 5034 3329 +6 3392 953 5034 2595 +6 3392 953 5034 2595 +5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2652.489 1773.500 3518 1357 3613 1774 3518 2190 +5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 6306.956 1773.000 4028 2575 3891 1774 4028 971 +5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2105.283 1773.000 4402 971 4538 1774 4402 2575 +1 1 0 1 -1 7 0 0 -1 0.000 1 0.0000 4214 1774 820 821 4214 1774 3659 1171 +2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 1 + 4821 2325 +2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 2 + 4816 1217 4816 2329 +2 1 0 1 -1 7 0 0 -1 0.000 0 0 7 0 0 2 + 3392 1769 4816 1769 +2 1 0 1 0 0 100 0 1 0.000 0 0 -1 0 0 2 + 4816 1982 5008 1982 +-6 +2 3 0 0 0 0 101 0 5 0.000 0 0 -1 0 0 36 + 4026 977 4011 1025 3996 1072 3981 1120 3966 1177 3954 1225 + 3944 1272 3929 1327 3919 1412 3909 1477 3899 1540 3894 1592 + 3894 1642 3891 1697 3889 1742 3889 1770 3394 1767 3396 1717 + 3399 1665 3409 1610 3424 1555 3439 1502 3464 1440 3489 1390 + 3516 1340 3551 1292 3584 1250 3631 1200 3679 1150 3731 1110 + 3801 1065 3869 1030 3931 1005 3986 982 4009 980 4026 977 +-6 +4 0 0 101 0 0 11 0.0000 4 135 555 3965 3044 X - XU\001 +4 0 0 101 0 0 11 0.0000 4 180 1350 3688 3299 exports_not_used\001 +-6 diff --git a/lib/tools/doc/src/venn2.gif b/lib/tools/doc/src/venn2.gif Binary files differindex 4cfea24646..bb12f4bd1f 100644 --- a/lib/tools/doc/src/venn2.gif +++ b/lib/tools/doc/src/venn2.gif diff --git a/lib/tools/doc/src/warning.gif b/lib/tools/doc/src/warning.gif Binary files differdeleted file mode 100644 index 96af52360e..0000000000 --- a/lib/tools/doc/src/warning.gif +++ /dev/null diff --git a/lib/tools/doc/src/xref.xml b/lib/tools/doc/src/xref.xml index 8c49f3a206..ab3641a52f 100644 --- a/lib/tools/doc/src/xref.xml +++ b/lib/tools/doc/src/xref.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2000</year><year>2016</year> + <year>2000</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -32,7 +32,7 @@ <rev>PA1</rev> <file>xref.sgml</file> </header> - <module>xref</module> + <module since="">xref</module> <modulesummary>A Cross Reference Tool for analyzing dependencies between functions, modules, applications and releases.</modulesummary> <description> <p>Xref is a cross reference tool that can be used for finding @@ -347,6 +347,9 @@ represented by <item>Locally Used Functions (*). Functions of all modules that have been used in some local call. </item> + <tag><c>OL</c></tag> + <item>Functions with an attribute tag <c>on_load</c> (*). + </item> <tag><c>LC</c></tag> <item>Local Calls (*).</item> <tag><c>XC</c></tag> @@ -393,6 +396,7 @@ facts about the <c>LU</c> and <c>XU</c> may have elements in common. Put in another way:</item> <item><c>V</c> is equal to <c>UU + XU + LU</c>.</item> + <item><c>OL</c> is a subset of <c>F</c>.</item> <item><c>E</c> is equal to <c>LC + XC</c>. Note that <c>LC</c> and <c>XC</c> may have elements in common, namely if some function is locally and externally used from one and the same @@ -559,8 +563,10 @@ Two functions (modules, analyzing operators: </p> <list type="bulleted"> - <item>Expression ::= Expression GraphOp Expression</item> - <item>GraphOp ::= <c>components</c> | <c>condensation</c> | <c>of</c></item> + <item>Expression ::= Expression BinaryGraphOp Expression</item> + <item>Expression ::= UnaryGraphOp Expression</item> + <item>UnaryGraphOp ::= <c>components</c> | <c>condensation</c></item> + <item>BinaryGraphOp ::= <c>of</c></item> </list> <p>As was mentioned before, the graph analyses operate on the <c>digraph</c> representation of graphs. @@ -723,7 +729,7 @@ xref() = atom() | pid() </pre> </description> <funcs> <func> - <name>add_application(Xref, Directory [, Options]) -> {ok, application()} | Error</name> + <name since="">add_application(Xref, Directory [, Options]) -> {ok, application()} | Error</name> <fsummary>Add the modules of an application.</fsummary> <type> <v>Directory = directory()</v> @@ -755,7 +761,7 @@ xref() = atom() | pid() </pre> </desc> </func> <func> - <name>add_directory(Xref, Directory [, Options]) -> {ok, Modules} | Error</name> + <name since="">add_directory(Xref, Directory [, Options]) -> {ok, Modules} | Error</name> <fsummary>Add the modules in a directory.</fsummary> <type> <v>Directory = directory()</v> @@ -785,7 +791,7 @@ xref() = atom() | pid() </pre> </desc> </func> <func> - <name>add_module(Xref, File [, Options]) -> {ok, module()} | Error</name> + <name since="">add_module(Xref, File [, Options]) -> {ok, module()} | Error</name> <fsummary>Add a module.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -808,7 +814,7 @@ xref() = atom() | pid() </pre> </desc> </func> <func> - <name>add_release(Xref, Directory [, Options]) -> {ok, release()} | Error</name> + <name since="">add_release(Xref, Directory [, Options]) -> {ok, release()} | Error</name> <fsummary>Add the modules of a release.</fsummary> <type> <v>Directory = directory()</v> @@ -843,7 +849,7 @@ xref() = atom() | pid() </pre> </desc> </func> <func> - <name>analyze(Xref, Analysis [, Options]) -> {ok, Answer} | Error</name> + <name since="">analyze(Xref, Analysis [, Options]) -> {ok, Answer} | Error</name> <fsummary>Evaluate a predefined analysis.</fsummary> <type> <v>Analysis = undefined_function_calls | undefined_functions | locals_not_used | exports_not_used | deprecated_function_calls | {deprecated_function_calls, DeprFlag} | deprecated_functions | {deprecated_functions, DeprFlag} | {call, FuncSpec} | {use, FuncSpec} | {module_call, ModSpec} | {module_use, ModSpec} | {application_call, AppSpec} | {application_use, AppSpec} | {release_call, RelSpec} | {release_use, RelSpec}</v> @@ -933,7 +939,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>d(Directory) -> [DebugInfoResult] | [NoDebugInfoResult] | Error</name> + <name since="">d(Directory) -> [DebugInfoResult] | [NoDebugInfoResult] | Error</name> <fsummary>Check the modules in a directory using the code path.</fsummary> <type> <v>Directory = directory()</v> @@ -973,8 +979,8 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>forget(Xref) -> ok</name> - <name>forget(Xref, Variables) -> ok | Error</name> + <name since="">forget(Xref) -> ok</name> + <name since="">forget(Xref, Variables) -> ok | Error</name> <fsummary>Remove user variables and their values.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -988,7 +994,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>format_error(Error) -> Chars</name> + <name since="">format_error(Error) -> Chars</name> <fsummary>Return an English description of an Xref error reply.</fsummary> <type> <v>Error = {error, module(), term()}</v> @@ -1002,8 +1008,8 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>get_default(Xref) -> [{Option, Value}]</name> - <name>get_default(Xref, Option) -> {ok, Value} | Error</name> + <name since="">get_default(Xref) -> [{Option, Value}]</name> + <name since="">get_default(Xref, Option) -> {ok, Value} | Error</name> <fsummary>Return the default values of options.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1017,7 +1023,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>get_library_path(Xref) -> {ok, LibraryPath}</name> + <name since="">get_library_path(Xref) -> {ok, LibraryPath}</name> <fsummary>Return the library path.</fsummary> <type> <v>LibraryPath = library_path()</v> @@ -1028,9 +1034,9 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>info(Xref) -> [Info]</name> - <name>info(Xref, Category) -> [{Item, [Info]}]</name> - <name>info(Xref, Category, Items) -> [{Item, [Info]}]</name> + <name since="">info(Xref) -> [Info]</name> + <name since="">info(Xref, Category) -> [{Item, [Info]}]</name> + <name since="">info(Xref, Category, Items) -> [{Item, [Info]}]</name> <fsummary>Return information about an Xref server.</fsummary> <type> <v>Application = [] | [application()]</v> @@ -1214,8 +1220,8 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>m(Module) -> [DebugInfoResult] | [NoDebugInfoResult] | Error</name> - <name>m(File) -> [DebugInfoResult] | [NoDebugInfoResult] | Error</name> + <name since="">m(Module) -> [DebugInfoResult] | [NoDebugInfoResult] | Error</name> + <name since="">m(File) -> [DebugInfoResult] | [NoDebugInfoResult] | Error</name> <fsummary>Check a module using the code path.</fsummary> <type> <v>DebugInfoResult = {deprecated, [funcall()]} | {undefined, [funcall()]} | {unused, [mfa()]}</v> @@ -1257,7 +1263,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>q(Xref, Query [, Options]) -> {ok, Answer} | Error</name> + <name since="">q(Xref, Query [, Options]) -> {ok, Answer} | Error</name> <fsummary>Evaluate a query.</fsummary> <type> <v>Answer = false | [constant()] | [Call] | [Component] | int() | [DefineAt] | [CallAt] | [AllLines]</v> @@ -1316,7 +1322,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>remove_application(Xref, Applications) -> ok | Error</name> + <name since="">remove_application(Xref, Applications) -> ok | Error</name> <fsummary>Remove applications and their modules.</fsummary> <type> <v>Applications = application() | [application()]</v> @@ -1329,7 +1335,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>remove_module(Xref, Modules) -> ok | Error</name> + <name since="">remove_module(Xref, Modules) -> ok | Error</name> <fsummary>Remove analyzed modules.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1342,7 +1348,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>remove_release(Xref, Releases) -> ok | Error</name> + <name since="">remove_release(Xref, Releases) -> ok | Error</name> <fsummary>Remove releases and their applications and modules.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1357,7 +1363,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>replace_application(Xref, Application, Directory [, Options]) -> {ok, application()} | Error</name> + <name since="">replace_application(Xref, Application, Directory [, Options]) -> {ok, application()} | Error</name> <fsummary>Replace an application's modules.</fsummary> <type> <v>Application = application()</v> @@ -1378,7 +1384,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>replace_module(Xref, Module, File [, Options]) -> {ok, module()} | Error</name> + <name since="">replace_module(Xref, Module, File [, Options]) -> {ok, module()} | Error</name> <fsummary>Replace an analyzed module.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1403,8 +1409,8 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>set_default(Xref, Option, Value) -> {ok, OldValue} | Error</name> - <name>set_default(Xref, OptionValues) -> ok | Error</name> + <name since="">set_default(Xref, Option, Value) -> {ok, OldValue} | Error</name> + <name since="">set_default(Xref, OptionValues) -> ok | Error</name> <fsummary>Set the default values of options.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1429,7 +1435,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>set_library_path(Xref, LibraryPath [, Options]) -> ok | Error</name> + <name since="">set_library_path(Xref, LibraryPath [, Options]) -> ok | Error</name> <fsummary>Set the library path and finds the library modules.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1463,7 +1469,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>start(NameOrOptions) -> Return</name> + <name since="">start(NameOrOptions) -> Return</name> <fsummary>Create an Xref server.</fsummary> <type> <v>NameOrOptions = Name | Options</v> @@ -1481,7 +1487,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>start(Name, Options) -> Return</name> + <name since="">start(Name, Options) -> Return</name> <fsummary>Create an Xref server.</fsummary> <type> <v>Name = atom()</v> @@ -1498,7 +1504,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>stop(Xref)</name> + <name since="">stop(Xref)</name> <fsummary>Delete an Xref server.</fsummary> <type> <v>Xref = xref()</v> @@ -1508,7 +1514,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>update(Xref [, Options]) -> {ok, Modules} | Error</name> + <name since="">update(Xref [, Options]) -> {ok, Modules} | Error</name> <fsummary>Replace newly compiled analyzed modules.</fsummary> <type> <v>Error = {error, module(), Reason}</v> @@ -1528,7 +1534,7 @@ Evaluates a predefined analysis. </desc> </func> <func> - <name>variables(Xref [, Options]) -> {ok, [VariableInfo]}</name> + <name since="">variables(Xref [, Options]) -> {ok, [VariableInfo]}</name> <fsummary>Return the names of variables.</fsummary> <type> <v>Options = [Option] | Option</v> |
