-.TH NODE.JS "1" "2010" "" ""
+.TH NODE 1 2016 Node.js Node.js
+.\ This is a man page comment.
+.\ Man page syntax (actually troff syntax) is somewhat obscure, but the
+.\ important part is is that .<letter> specifies <letter>'s syntax for that
+.\ line, and \f<letter> specifies it for the characters that follow.
+.\ See http://liw.fi/manpages/ for more info.
-.SH "NAME"
-node \- Server-side JavaScript
+.SH NAME
+
+node \- Server-side JavaScript runtime
-.SH SYNOPSIS
+.SH SYNOPSIS
.B node
-[
-.B \-v
-]
-[
-.B \-\-debug
-|
-.B \-\-debug-brk
-]
-[
-.B \-\-v8-options
-]
+[\fIoptions\fR] [\fIv8 options\fR]
+[\fIscript.js\fR | \fB\-e \fR"\fIscript\fR"]
+[\fIarguments\fR]
+.br
+.B node debug
+[\fIscript.js\fR | \fB\-e \fR"\fIscript\fR" | \fI<host>:<port>\fR] \fI...
.br
- [
-.B \-e
-.I command
-|
-.I script.js
-]
-[
-.I arguments
-]
+.B node
+[\fB\-\-v8-options\fR]
Execute without arguments to start the REPL.
.SH DESCRIPTION
-Node.js is a set of libraries for JavaScript which allows
-it to be used outside of the browser. It is primarily
-focused on creating simple, easy to build network clients
-and servers.
+Node.js is a set of libraries for JavaScript which allows it to be used outside
+of the browser. It is primarily focused on creating simple, easy to build
+network clients and servers.
.SH OPTIONS
- -v, --version print node's version
+.TP
+.BR \-v ", " \-\-version
+Print node's version.
+
+.TP
+.BR \-h ", " \-\-help
+Print node command line options.
+The output of this option is less detailed than this document.
+
+.TP
+.BR \-e ", " \-\-eval " " \fR"\fIscript\fR"
+Evaluate the following argument as JavaScript.
+
+.TP
+.BR \-p ", " \-\-print " " \fR"\fIscript\fR"
+Identical to \fB-e\fR but prints the result.
- -e, --eval script evaluate script
+.TP
+.BR \-c ", " \-\-check
+Syntax check the script without executing.
- -p, --print print result of --eval
+.TP
+.BR \-i ", " \-\-interactive
+Opens the REPL even if stdin does not appear to be a terminal.
- -c, --check syntax check script without executing
+.TP
+.BR \-r ", " \-\-require " " \fImodule\fR
+Preload the specified module at startup. Follows `require()`'s module resolution
+rules. \fImodule\fR may be either a path to a file, or a node module name.
- -i, --interactive always enter the REPL even if stdin
- does not appear to be a terminal
+.TP
+.BR \-\-no\-deprecation
+Silence deprecation warnings.
- -r, --require module to preload at startup
+.TP
+.BR \-\-trace\-deprecation
+Print stack traces for deprecations.
- --no-deprecation silence deprecation warnings
+.TP
+.BR \-\-throw\-deprecation
+Throw errors for deprecations.
- --trace-deprecation show stack traces on deprecations
+.TP
+.BR \-\-trace\-sync\-io
+Prints a stack trace whenever synchronous I/O is detected after the first turn
+of the event loop.
- --throw-deprecation throw errors on deprecations
+.TP
+.BR \-\-track\-heap-objects
+Track heap object allocations for heap snapshots.
- --track-heap-objects track heap object allocations for heap snapshots
+.TP
+.BR \-\-prof\-process
+Process v8 profiler output generated using the v8 option \fB\-\-prof\fR
- --prof-process process v8 profiler output generated using --prof
+.TP
+.BR \-\-v8\-options
+Print v8 command line options.
- --v8-options print v8 command line options
+.TP
+.BR \-\-tls\-cipher\-list =\fIlist\fR
+Specify an alternative default TLS cipher list. (Requires Node.js to be built with crypto support. (Default))
+
+.TP
+.BR \-\-icu\-data\-dir =\fIfile\fR
+Specify ICU data load path. (overrides \fBNODE_ICU_DATA\fR)
- --tls-cipher-list=list use an alternative default TLS cipher list
- (available only when Node.js is built with
- OpenSSL and crypto support enabled)
.SH ENVIRONMENT VARIABLES
-.IP NODE_PATH
+.TP
+.BR NODE_DEBUG =\fImodule\fR[,\fI...\fR]
+\',\'\-separated list of core modules that should print debug information.
+
+.TP
+.BR NODE_PATH =\fIpath\fR[:\fI...\fR]
\':\'\-separated list of directories prefixed to the module search path.
-.IP NODE_DISABLE_COLORS
-If set to 1 then colors will not be used in the REPL.
-.IP NODE_ICU_DATA
+
+.TP
+.BR NODE_DISABLE_COLORS=1
+When set to 1 colors will not be used in the REPL.
+
+.TP
+.BR NODE_ICU_DATA =\fIfile\fR
Data path for ICU (Intl object) data. Will extend linked-in data when compiled
-with small-icu support.
-.IP NODE_REPL_HISTORY
+with small\-icu support.
+
+.TP
+.BR NODE_REPL_HISTORY =\fIfile\fR
Path to the file used to store the persistent REPL history. The default path
is ~/.node_repl_history, which is overridden by this variable. Setting the
-value to an empty string ("") disables persistent REPL history.
-
-.SH V8 OPTIONS
-
- --use_strict (enforce strict mode)
- type: bool default: false
- --use_strong (enforce strong mode)
- type: bool default: false
- --strong_mode (experimental strong language mode)
- type: bool default: false
- --es_staging (enable all completed harmony features)
- type: bool default: false
- --harmony (enable all completed harmony features)
- type: bool default: false
- --harmony_shipping (enable all shipped harmony features)
- type: bool default: true
- --harmony_modules (enable "harmony modules" (in progress))
- type: bool default: false
- --harmony_arrays (enable "harmony array methods" (in progress))
- type: bool default: false
- --harmony_array_includes (enable "harmony Array.prototype.includes" (in progress))
- type: bool default: false
- --harmony_regexps (enable "harmony regular expression extensions" (in progress))
- type: bool default: false
- --harmony_arrow_functions (enable "harmony arrow functions" (in progress))
- type: bool default: false
- --harmony_proxies (enable "harmony proxies" (in progress))
- type: bool default: false
- --harmony_sloppy (enable "harmony features in sloppy mode" (in progress))
- type: bool default: false
- --harmony_unicode (enable "harmony unicode escapes" (in progress))
- type: bool default: false
- --harmony_unicode_regexps (enable "harmony unicode regexps" (in progress))
- type: bool default: false
- --harmony_rest_parameters (enable "harmony rest parameters" (in progress))
- type: bool default: false
- --harmony_reflect (enable "harmony Reflect API" (in progress))
- type: bool default: false
- --harmony_computed_property_names (enable "harmony computed property names")
- type: bool default: false
- --harmony_tostring (enable "harmony toString")
- type: bool default: false
- --harmony_numeric_literals (enable "harmony numeric literals")
- type: bool default: true
- --harmony_classes (enable "harmony classes (implies object literal extension)")
- type: bool default: true
- --harmony_object_literals (enable "harmony object literal extensions")
- type: bool default: true
- --compiled_keyed_generic_loads (use optimizing compiler to generate keyed generic load stubs)
- type: bool default: false
- --pretenuring_call_new (pretenure call new)
- type: bool default: false
- --allocation_site_pretenuring (pretenure with allocation sites)
- type: bool default: true
- --trace_pretenuring (trace pretenuring decisions of HAllocate instructions)
- type: bool default: false
- --trace_pretenuring_statistics (trace allocation site pretenuring statistics)
- type: bool default: false
- --track_fields (track fields with only smi values)
- type: bool default: true
- --track_double_fields (track fields with double values)
- type: bool default: true
- --track_heap_object_fields (track fields with heap values)
- type: bool default: true
- --track_computed_fields (track computed boilerplate fields)
- type: bool default: true
- --track_field_types (track field types)
- type: bool default: true
- --smi_binop (support smi representation in binary operations)
- type: bool default: true
- --vector_ics (support vector-based ics)
- type: bool default: false
- --optimize_for_size (Enables optimizations which favor memory size over execution speed.)
- type: bool default: false
- --unbox_double_arrays (automatically unbox arrays of doubles)
- type: bool default: true
- --string_slices (use string slices)
- type: bool default: true
- --crankshaft (use crankshaft)
- type: bool default: true
- --hydrogen_filter (optimization filter)
- type: string default: *
- --use_gvn (use hydrogen global value numbering)
- type: bool default: true
- --gvn_iterations (maximum number of GVN fix-point iterations)
- type: int default: 3
- --use_canonicalizing (use hydrogen instruction canonicalizing)
- type: bool default: true
- --use_inlining (use function inlining)
- type: bool default: true
- --use_escape_analysis (use hydrogen escape analysis)
- type: bool default: true
- --use_allocation_folding (use allocation folding)
- type: bool default: true
- --use_local_allocation_folding (only fold in basic blocks)
- type: bool default: false
- --use_write_barrier_elimination (eliminate write barriers targeting allocations in optimized code)
- type: bool default: true
- --max_inlining_levels (maximum number of inlining levels)
- type: int default: 5
- --max_inlined_source_size (maximum source size in bytes considered for a single inlining)
- type: int default: 600
- --max_inlined_nodes (maximum number of AST nodes considered for a single inlining)
- type: int default: 196
- --max_inlined_nodes_cumulative (maximum cumulative number of AST nodes considered for inlining)
- type: int default: 400
- --loop_invariant_code_motion (loop invariant code motion)
- type: bool default: true
- --fast_math (faster (but maybe less accurate) math functions)
- type: bool default: true
- --collect_megamorphic_maps_from_stub_cache (crankshaft harvests type feedback from stub cache)
- type: bool default: true
- --hydrogen_stats (print statistics for hydrogen)
- type: bool default: false
- --trace_check_elimination (trace check elimination phase)
- type: bool default: false
- --trace_environment_liveness (trace liveness of local variable slots)
- type: bool default: false
- --trace_hydrogen (trace generated hydrogen to file)
- type: bool default: false
- --trace_hydrogen_filter (hydrogen tracing filter)
- type: string default: *
- --trace_hydrogen_stubs (trace generated hydrogen for stubs)
- type: bool default: false
- --trace_hydrogen_file (trace hydrogen to given file name)
- type: string default: NULL
- --trace_phase (trace generated IR for specified phases)
- type: string default: HLZ
- --trace_inlining (trace inlining decisions)
- type: bool default: false
- --trace_load_elimination (trace load elimination)
- type: bool default: false
- --trace_store_elimination (trace store elimination)
- type: bool default: false
- --trace_alloc (trace register allocator)
- type: bool default: false
- --trace_all_uses (trace all use positions)
- type: bool default: false
- --trace_range (trace range analysis)
- type: bool default: false
- --trace_gvn (trace global value numbering)
- type: bool default: false
- --trace_representation (trace representation types)
- type: bool default: false
- --trace_removable_simulates (trace removable simulates)
- type: bool default: false
- --trace_escape_analysis (trace hydrogen escape analysis)
- type: bool default: false
- --trace_allocation_folding (trace allocation folding)
- type: bool default: false
- --trace_track_allocation_sites (trace the tracking of allocation sites)
- type: bool default: false
- --trace_migration (trace object migration)
- type: bool default: false
- --trace_generalization (trace map generalization)
- type: bool default: false
- --stress_pointer_maps (pointer map for every instruction)
- type: bool default: false
- --stress_environments (environment for every instruction)
- type: bool default: false
- --deopt_every_n_times (deoptimize every n times a deopt point is passed)
- type: int default: 0
- --deopt_every_n_garbage_collections (deoptimize every n garbage collections)
- type: int default: 0
- --print_deopt_stress (print number of possible deopt points)
- type: bool default: false
- --trap_on_deopt (put a break point before deoptimizing)
- type: bool default: false
- --trap_on_stub_deopt (put a break point before deoptimizing a stub)
- type: bool default: false
- --deoptimize_uncommon_cases (deoptimize uncommon cases)
- type: bool default: true
- --polymorphic_inlining (polymorphic inlining)
- type: bool default: true
- --use_osr (use on-stack replacement)
- type: bool default: true
- --array_bounds_checks_elimination (perform array bounds checks elimination)
- type: bool default: true
- --trace_bce (trace array bounds check elimination)
- type: bool default: false
- --array_bounds_checks_hoisting (perform array bounds checks hoisting)
- type: bool default: false
- --array_index_dehoisting (perform array index dehoisting)
- type: bool default: true
- --analyze_environment_liveness (analyze liveness of environment slots and zap dead values)
- type: bool default: true
- --load_elimination (use load elimination)
- type: bool default: true
- --check_elimination (use check elimination)
- type: bool default: true
- --store_elimination (use store elimination)
- type: bool default: false
- --dead_code_elimination (use dead code elimination)
- type: bool default: true
- --fold_constants (use constant folding)
- type: bool default: true
- --trace_dead_code_elimination (trace dead code elimination)
- type: bool default: false
- --unreachable_code_elimination (eliminate unreachable code)
- type: bool default: true
- --trace_osr (trace on-stack replacement)
- type: bool default: false
- --stress_runs (number of stress runs)
- type: int default: 0
- --lookup_sample_by_shared (when picking a function to optimize, watch for shared function info, not JSFunction itself)
- type: bool default: true
- --cache_optimized_code (cache optimized code for closures)
- type: bool default: true
- --flush_optimized_code_cache (flushes the cache of optimized code for closures on every GC)
- type: bool default: true
- --inline_construct (inline constructor calls)
- type: bool default: true
- --inline_arguments (inline functions with arguments object)
- type: bool default: true
- --inline_accessors (inline JavaScript accessors)
- type: bool default: true
- --escape_analysis_iterations (maximum number of escape analysis fix-point iterations)
- type: int default: 2
- --optimize_for_in (optimize functions containing for-in loops)
- type: bool default: true
- --concurrent_recompilation (optimizing hot functions asynchronously on a separate thread)
- type: bool default: true
- --job_based_recompilation (post tasks to v8::Platform instead of using a thread for concurrent recompilation)
- type: bool default: true
- --trace_concurrent_recompilation (track concurrent recompilation)
- type: bool default: false
- --concurrent_recompilation_queue_length (the length of the concurrent compilation queue)
- type: int default: 8
- --concurrent_recompilation_delay (artificial compilation delay in ms)
- type: int default: 0
- --block_concurrent_recompilation (block queued jobs until released)
- type: bool default: false
- --concurrent_osr (concurrent on-stack replacement)
- type: bool default: true
- --omit_map_checks_for_leaf_maps (do not emit check maps for constant values that have a leaf map, deoptimize the optimized code if the layout of the maps changes.)
- type: bool default: true
- --turbo_filter (optimization filter for TurboFan compiler)
- type: string default: ~
- --trace_turbo (trace generated TurboFan IR)
- type: bool default: false
- --trace_turbo_graph (trace generated TurboFan graphs)
- type: bool default: false
- --trace_turbo_cfg_file (trace turbo cfg graph (for C1 visualizer) to a given file name)
- type: string default: NULL
- --trace_turbo_types (trace TurboFan's types)
- type: bool default: true
- --trace_turbo_scheduler (trace TurboFan's scheduler)
- type: bool default: false
- --trace_turbo_reduction (trace TurboFan's various reducers)
- type: bool default: false
- --trace_turbo_jt (trace TurboFan's jump threading)
- type: bool default: false
- --turbo_asm (enable TurboFan for asm.js code)
- type: bool default: true
- --turbo_verify (verify TurboFan graphs at each phase)
- type: bool default: false
- --turbo_stats (print TurboFan statistics)
- type: bool default: false
- --turbo_splitting (split nodes during scheduling in TurboFan)
- type: bool default: true
- --turbo_types (use typed lowering in TurboFan)
- type: bool default: true
- --turbo_type_feedback (use type feedback in TurboFan)
- type: bool default: false
- --turbo_source_positions (track source code positions when building TurboFan IR)
- type: bool default: false
- --context_specialization (enable context specialization in TurboFan)
- type: bool default: false
- --turbo_deoptimization (enable deoptimization in TurboFan)
- type: bool default: false
- --turbo_inlining (enable inlining in TurboFan)
- type: bool default: false
- --turbo_builtin_inlining (enable builtin inlining in TurboFan)
- type: bool default: true
- --trace_turbo_inlining (trace TurboFan inlining)
- type: bool default: false
- --loop_assignment_analysis (perform loop assignment analysis)
- type: bool default: true
- --turbo_profiling (enable profiling in TurboFan)
- type: bool default: false
- --turbo_delay_ssa_decon (delay ssa deconstruction in TurboFan register allocator)
- type: bool default: false
- --turbo_verify_allocation (verify register allocation in TurboFan)
- type: bool default: false
- --turbo_move_optimization (optimize gap moves in TurboFan)
- type: bool default: true
- --turbo_jt (enable jump threading in TurboFan)
- type: bool default: true
- --turbo_osr (enable OSR in TurboFan)
- type: bool default: true
- --turbo_exceptions (enable exception handling in TurboFan)
- type: bool default: false
- --turbo_stress_loop_peeling (stress loop peeling optimization)
- type: bool default: false
- --turbo_cf_optimization (optimize control flow in TurboFan)
- type: bool default: true
- --typed_array_max_size_in_heap (threshold for in-heap typed array)
- type: int default: 64
- --frame_count (number of stack frames inspected by the profiler)
- type: int default: 1
- --interrupt_budget (execution budget before interrupt is triggered)
- type: int default: 6144
- --type_info_threshold (percentage of ICs that must have type info to allow optimization)
- type: int default: 25
- --generic_ic_threshold (max percentage of megamorphic/generic ICs to allow optimization)
- type: int default: 30
- --self_opt_count (call count before self-optimization)
- type: int default: 130
- --trace_opt_verbose (extra verbose compilation tracing)
- type: bool default: false
- --debug_code (generate extra code (assertions) for debugging)
- type: bool default: false
- --code_comments (emit comments in code disassembly)
- type: bool default: false
- --enable_sse3 (enable use of SSE3 instructions if available)
- type: bool default: true
- --enable_sse4_1 (enable use of SSE4.1 instructions if available)
- type: bool default: true
- --enable_sahf (enable use of SAHF instruction if available (X64 only))
- type: bool default: true
- --enable_avx (enable use of AVX instructions if available)
- type: bool default: true
- --enable_fma3 (enable use of FMA3 instructions if available)
- type: bool default: true
- --enable_vfp3 (enable use of VFP3 instructions if available)
- type: bool default: true
- --enable_armv7 (enable use of ARMv7 instructions if available (ARM only))
- type: bool default: true
- --enable_armv8 (enable use of ARMv8 instructions if available (ARM 32-bit only))
- type: bool default: true
- --enable_neon (enable use of NEON instructions if available (ARM only))
- type: bool default: true
- --enable_sudiv (enable use of SDIV and UDIV instructions if available (ARM only))
- type: bool default: true
- --enable_mls (enable use of MLS instructions if available (ARM only))
- type: bool default: true
- --enable_movw_movt (enable loading 32-bit constant by means of movw/movt instruction pairs (ARM only))
- type: bool default: false
- --enable_unaligned_accesses (enable unaligned accesses for ARMv7 (ARM only))
- type: bool default: true
- --enable_32dregs (enable use of d16-d31 registers on ARM - this requires VFP3)
- type: bool default: true
- --enable_vldr_imm (enable use of constant pools for double immediate (ARM only))
- type: bool default: false
- --force_long_branches (force all emitted branches to be in long mode (MIPS/PPC only))
- type: bool default: false
- --mcpu (enable optimization for specific cpu)
- type: string default: auto
- --expose_natives_as (expose natives in global object)
- type: string default: NULL
- --expose_debug_as (expose debug in global object)
- type: string default: NULL
- --expose_free_buffer (expose freeBuffer extension)
- type: bool default: false
- --expose_gc (expose gc extension)
- type: bool default: false
- --expose_gc_as (expose gc extension under the specified name)
- type: string default: NULL
- --expose_externalize_string (expose externalize string extension)
- type: bool default: false
- --expose_trigger_failure (expose trigger-failure extension)
- type: bool default: false
- --stack_trace_limit (number of stack frames to capture)
- type: int default: 10
- --builtins_in_stack_traces (show built-in functions in stack traces)
- type: bool default: false
- --disable_native_files (disable builtin natives files)
- type: bool default: false
- --inline_new (use fast inline allocation)
- type: bool default: true
- --trace_codegen (print name of functions for which code is generated)
- type: bool default: false
- --trace (trace function calls)
- type: bool default: false
- --mask_constants_with_cookie (use random jit cookie to mask large constants)
- type: bool default: true
- --lazy (use lazy compilation)
- type: bool default: true
- --trace_opt (trace lazy optimization)
- type: bool default: false
- --trace_opt_stats (trace lazy optimization statistics)
- type: bool default: false
- --opt (use adaptive optimizations)
- type: bool default: true
- --always_opt (always try to optimize functions)
- type: bool default: false
- --always_osr (always try to OSR functions)
- type: bool default: false
- --prepare_always_opt (prepare for turning on always opt)
- type: bool default: false
- --trace_deopt (trace optimize function deoptimization)
- type: bool default: false
- --trace_stub_failures (trace deoptimization of generated code stubs)
- type: bool default: false
- --serialize_toplevel (enable caching of toplevel scripts)
- type: bool default: true
- --serialize_inner (enable caching of inner functions)
- type: bool default: true
- --trace_serializer (print code serializer trace)
- type: bool default: false
- --min_preparse_length (minimum length for automatic enable preparsing)
- type: int default: 1024
- --max_opt_count (maximum number of optimization attempts before giving up.)
- type: int default: 10
- --compilation_cache (enable compilation cache)
- type: bool default: true
- --cache_prototype_transitions (cache prototype transitions)
- type: bool default: true
- --cpu_profiler_sampling_interval (CPU profiler sampling interval in microseconds)
- type: int default: 1000
- --trace_debug_json (trace debugging JSON request/response)
- type: bool default: false
- --trace_js_array_abuse (trace out-of-bounds accesses to JS arrays)
- type: bool default: false
- --trace_external_array_abuse (trace out-of-bounds-accesses to external arrays)
- type: bool default: false
- --trace_array_abuse (trace out-of-bounds accesses to all arrays)
- type: bool default: false
- --enable_liveedit (enable liveedit experimental feature)
- type: bool default: true
- --hard_abort (abort by crashing)
- type: bool default: true
- --stack_size (default size of stack region v8 is allowed to use (in kBytes))
- type: int default: 984
- --max_stack_trace_source_length (maximum length of function source code printed in a stack trace.)
- type: int default: 300
- --always_inline_smi_code (always inline smi code in non-opt code)
- type: bool default: false
- --min_semi_space_size (min size of a semi-space (in MBytes), the new space consists of twosemi-spaces)
- type: int default: 0
- --target_semi_space_size (target size of a semi-space (in MBytes) before triggering a GC)
- type: int default: 0
- --max_semi_space_size (max size of a semi-space (in MBytes), the new space consists of twosemi-spaces)
- type: int default: 0
- --semi_space_growth_factor (factor by which to grow the new space)
- type: int default: 2
- --experimental_new_space_growth_heuristic (Grow the new space based on the percentage of survivors instead of their absolute value.)
- type: bool default: false
- --max_old_space_size (max size of the old space (in Mbytes))
- type: int default: 0
- --initial_old_space_size (initial old space size (in Mbytes))
- type: int default: 0
- --max_executable_size (max size of executable memory (in Mbytes))
- type: int default: 0
- --gc_global (always perform global GCs)
- type: bool default: false
- --gc_interval (garbage collect after <n> allocations)
- type: int default: -1
- --retain_maps_for_n_gc (keeps maps alive for <n> old space garbage collections)
- type: int default: 2
- --trace_gc (print one trace line following each garbage collection)
- type: bool default: false
- --trace_gc_nvp (print one detailed trace line in name=value format after each garbage collection)
- type: bool default: false
- --trace_gc_ignore_scavenger (do not print trace line after scavenger collection)
- type: bool default: false
- --trace_idle_notification (print one trace line following each idle notification)
- type: bool default: false
- --trace_idle_notification_verbose (prints the heap state used by the idle notification)
- type: bool default: false
- --print_cumulative_gc_stat (print cumulative GC statistics in name=value format on exit)
- type: bool default: false
- --print_max_heap_committed (print statistics of the maximum memory committed for the heap in name=value format on exit)
- type: bool default: false
- --trace_gc_verbose (print more details following each garbage collection)
- type: bool default: false
- --trace_fragmentation (report fragmentation for old space)
- type: bool default: false
- --trace_fragmentation_verbose (report fragmentation for old space (detailed))
- type: bool default: false
- --collect_maps (garbage collect maps from which no objects can be reached)
- type: bool default: true
- --weak_embedded_maps_in_optimized_code (make maps embedded in optimized code weak)
- type: bool default: true
- --weak_embedded_objects_in_optimized_code (make objects embedded in optimized code weak)
- type: bool default: true
- --flush_code (flush code that we expect not to use again (during full gc))
- type: bool default: true
- --flush_code_incrementally (flush code that we expect not to use again (incrementally))
- type: bool default: true
- --trace_code_flushing (trace code flushing progress)
- type: bool default: false
- --age_code (track un-executed functions to age code and flush only old code (required for code flushing))
- type: bool default: true
- --incremental_marking (use incremental marking)
- type: bool default: true
- --incremental_marking_steps (do incremental marking steps)
- type: bool default: true
- --overapproximate_weak_closure (overapproximate weak closer to reduce atomic pause time)
- type: bool default: true
- --min_progress_during_object_groups_marking (keep overapproximating the weak closure as long as we discover at least this many unmarked objects)
- type: int default: 128
- --max_object_groups_marking_rounds (at most try this many times to over approximate the weak closure)
- type: int default: 3
- --concurrent_sweeping (use concurrent sweeping)
- type: bool default: true
- --trace_incremental_marking (trace progress of the incremental marking)
- type: bool default: false
- --track_gc_object_stats (track object counts and memory usage)
- type: bool default: false
- --track_detached_contexts (track native contexts that are expected to be garbage collected)
- type: bool default: true
- --trace_detached_contexts (trace native contexts that are expected to be garbage collected)
- type: bool default: false
- --heap_profiler_trace_objects (Dump heap object allocations/movements/size_updates)
- type: bool default: false
- --use_idle_notification (Use idle notification to reduce memory footprint.)
- type: bool default: true
- --use_ic (use inline caching)
- type: bool default: true
- --trace_ic (trace inline cache state transitions)
- type: bool default: false
- --native_code_counters (generate extra code for manipulating stats counters)
- type: bool default: false
- --always_compact (Perform compaction on every full GC)
- type: bool default: false
- --never_compact (Never perform compaction on full GC - testing only)
- type: bool default: false
- --compact_code_space (Compact code space on full non-incremental collections)
- type: bool default: true
- --incremental_code_compaction (Compact code space on full incremental collections)
- type: bool default: true
- --cleanup_code_caches_at_gc (Flush inline caches prior to mark compact collection and flush code caches in maps during mark compact cycle.)
- type: bool default: true
- --use_marking_progress_bar (Use a progress bar to scan large objects in increments when incremental marking is active.)
- type: bool default: true
- --zap_code_space (Zap free memory in code space with 0xCC while sweeping.)
- type: bool default: true
- --random_seed (Default seed for initializing random generator (0, the default, means to use system random).)
- type: int default: 0
- --trace_weak_arrays (trace WeakFixedArray usage)
- type: bool default: false
- --track_prototype_users (keep track of which maps refer to a given prototype object)
- type: bool default: false
- --use_verbose_printer (allows verbose printing)
- type: bool default: true
- --allow_natives_syntax (allow natives syntax)
- type: bool default: false
- --trace_parse (trace parsing and preparsing)
- type: bool default: false
- --trace_sim (Trace simulator execution)
- type: bool default: false
- --debug_sim (Enable debugging the simulator)
- type: bool default: false
- --check_icache (Check icache flushes in ARM and MIPS simulator)
- type: bool default: false
- --stop_sim_at (Simulator stop after x number of instructions)
- type: int default: 0
- --sim_stack_alignment (Stack alingment in bytes in simulator (4 or 8, 8 is default))
- type: int default: 8
- --sim_stack_size (Stack size of the ARM64 and MIPS64 simulator in kBytes (default is 2 MB))
- type: int default: 2048
- --log_regs_modified (When logging register values, only print modified registers.)
- type: bool default: true
- --log_colour (When logging, try to use coloured output.)
- type: bool default: true
- --ignore_asm_unimplemented_break (Don't break for ASM_UNIMPLEMENTED_BREAK macros.)
- type: bool default: false
- --trace_sim_messages (Trace simulator debug messages. Implied by --trace-sim.)
- type: bool default: false
- --stack_trace_on_illegal (print stack trace when an illegal exception is thrown)
- type: bool default: false
- --abort_on_uncaught_exception (abort program (dump core) when an uncaught exception is thrown)
- type: bool default: false
- --randomize_hashes (randomize hashes to avoid predictable hash collisions (with snapshots this option cannot override the baked-in seed))
- type: bool default: true
- --hash_seed (Fixed seed to use to hash property keys (0 means random)(with snapshots this option cannot override the baked-in seed))
- type: int default: 0
- --profile_deserialization (Print the time it takes to deserialize the snapshot.)
- type: bool default: false
- --regexp_optimization (generate optimized regexp code)
- type: bool default: true
- --testing_bool_flag (testing_bool_flag)
- type: bool default: true
- --testing_maybe_bool_flag (testing_maybe_bool_flag)
- type: maybe_bool default: unset
- --testing_int_flag (testing_int_flag)
- type: int default: 13
- --testing_float_flag (float-flag)
- type: float default: 2.5
- --testing_string_flag (string-flag)
- type: string default: Hello, world!
- --testing_prng_seed (Seed used for threading test randomness)
- type: int default: 42
- --testing_serialization_file (file in which to serialize heap)
- type: string default: /tmp/serdes
- --startup_blob (Write V8 startup blob file. (mksnapshot only))
- type: string default: NULL
- --profile_hydrogen_code_stub_compilation (Print the time it takes to lazily compile hydrogen code stubs.)
- type: bool default: false
- --predictable (enable predictable mode)
- type: bool default: false
- --force_marking_deque_overflows (force overflows of marking deque by reducing it's size to 64 words)
- type: bool default: false
- --stress_compaction (stress the GC compactor to flush out bugs (implies --force_marking_deque_overflows))
- type: bool default: false
- --manual_evacuation_candidates_selection (Test mode only flag. It allows an unit test to select evacuation candidates pages (requires --stress_compaction).)
- type: bool default: false
- --help (Print usage message, including flags, on console)
- type: bool default: true
- --dump_counters (Dump counters on exit)
- type: bool default: false
- --debugger (Enable JavaScript debugger)
- type: bool default: false
- --map_counters (Map counters to a file)
- type: string default:
- --js_arguments (Pass all remaining arguments to the script. Alias for "--".)
- type: arguments default:
- --log (Minimal logging (no API, code, GC, suspect, or handles samples).)
- type: bool default: false
- --log_all (Log all events to the log file.)
- type: bool default: false
- --log_api (Log API events to the log file.)
- type: bool default: false
- --log_code (Log code events to the log file without profiling.)
- type: bool default: false
- --log_gc (Log heap samples on garbage collection for the hp2ps tool.)
- type: bool default: false
- --log_handles (Log global handle events.)
- type: bool default: false
- --log_snapshot_positions (log positions of (de)serialized objects in the snapshot.)
- type: bool default: false
- --log_suspect (Log suspect operations.)
- type: bool default: false
- --prof (Log statistical profiling information (implies --log-code).)
- type: bool default: false
- --prof_cpp (Like --prof, but ignore generated code.)
- type: bool default: false
- --prof_browser_mode (Used with --prof, turns on browser-compatible mode for profiling.)
- type: bool default: true
- --log_regexp (Log regular expression execution.)
- type: bool default: false
- --logfile (Specify the name of the log file.)
- type: string default: v8.log
- --logfile_per_isolate (Separate log files for each isolate.)
- type: bool default: true
- --ll_prof (Enable low-level linux profiler.)
- type: bool default: false
- --perf_basic_prof (Enable perf linux profiler (basic support).)
- type: bool default: false
- --perf_jit_prof (Enable perf linux profiler (experimental annotate support).)
- type: bool default: false
- --gc_fake_mmap (Specify the name of the file for fake gc mmap used in ll_prof)
- type: string default: /tmp/__v8_gc__
- --log_internal_timer_events (Time internal events.)
- type: bool default: false
- --log_timer_events (Time events including external callbacks.)
- type: bool default: false
- --log_instruction_stats (Log AArch64 instruction statistics.)
- type: bool default: false
- --log_instruction_file (AArch64 instruction statistics log file.)
- type: string default: arm64_inst.csv
- --log_instruction_period (AArch64 instruction statistics logging period.)
- type: int default: 4194304
- --redirect_code_traces (output deopt information and disassembly into file code-<pid>-<isolate id>.asm)
- type: bool default: false
- --redirect_code_traces_to (output deopt information and disassembly into the given file)
- type: string default: NULL
- --hydrogen_track_positions (track source code positions when building IR)
- type: bool default: false
- --trace_elements_transitions (trace elements transitions)
- type: bool default: false
- --trace_creation_allocation_sites (trace the creation of allocation sites)
- type: bool default: false
- --print_code_stubs (print code stubs)
- type: bool default: false
- --test_secondary_stub_cache (test secondary stub cache by disabling the primary one)
- type: bool default: false
- --test_primary_stub_cache (test primary stub cache by disabling the secondary one)
- type: bool default: false
- --print_code (print generated code)
- type: bool default: false
- --print_opt_code (print optimized code)
- type: bool default: false
- --print_unopt_code (print unoptimized code before printing optimized code based on it)
- type: bool default: false
- --print_code_verbose (print more information for code)
- type: bool default: false
- --print_builtin_code (print generated code for builtins)
- type: bool default: false
- --sodium (print generated code output suitable for use with the Sodium code viewer)
- type: bool default: false
- --print_all_code (enable all flags related to printing code)
- type: bool default: false
+value to an empty string ("" or " ") disables persistent REPL history.
+
.SH RESOURCES AND DOCUMENTATION
-See the website for documentation https://nodejs.org/
+Website: \fBhttps://nodejs.org/\fR
+
+Documentation: \fBhttps://nodejs.org/api/\fR
+
+GitHub repository & Issue Tracker: \fBhttps://github.com/nodejs/node\fR
-Mailing list: http://groups.google.com/group/nodejs
+Mailing list: \fBhttp://groups.google.com/group/nodejs\fR
-IRC (general questions): irc.freenode.net #node.js
+IRC (general questions): \fBchat.freenode.net #node.js\fR
-IRC (node core development): irc.freenode.net #node-dev
+IRC (node core development): \fBchat.freenode.net #node-dev\fR
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