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Update the outdated list of V8 options in the man page. PR-URL: https://github.com/iojs/io.js/pull/262 Reviewed-By: Bert Belder <bertbelder@gmail.com>
735 lines
34 KiB
Groff
735 lines
34 KiB
Groff
.TH IO.JS "1" "2010" "" ""
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.SH "NAME"
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iojs \- Server-side JavaScript
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.SH SYNOPSIS
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.B iojs
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[
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.B \-v
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]
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[
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.B \-\-debug
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.B \-\-debug-brk
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]
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[
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.B \-\-v8-options
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]
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.br
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[
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.B \-e
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.I command
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.I script.js
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]
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[
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.I arguments
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]
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Execute without arguments to start the REPL.
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.SH DESCRIPTION
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io.js is a set of libraries for javascript which allows
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it to be used outside of the browser. It is primarily
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focused on creating simple, easy to build network clients
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and servers.
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.SH OPTIONS
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-v, --version print iojs's version
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-e, --eval script evaluate script
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-p, --print print result of --eval
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-i, --interactive always enter the REPL even if stdin
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does not appear to be a terminal
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--no-deprecation silence deprecation warnings
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--trace-deprecation show stack traces on deprecations
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--throw-deprecation throw errors on deprecations
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--v8-options print v8 command line options
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--max-stack-size=val set max v8 stack size (bytes)
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.SH ENVIRONMENT VARIABLES
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.IP NODE_PATH
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\':\'\-separated list of directories prefixed to the module search path.
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.IP NODE_MODULE_CONTEXTS
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If set to 1 then modules will load in their own global contexts.
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.IP NODE_DISABLE_COLORS
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If set to 1 then colors will not be used in the REPL.
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.SH V8 OPTIONS
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--use_strict (enforce strict mode)
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type: bool default: false
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--es_staging (enable all completed harmony features)
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type: bool default: false
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--harmony (enable all completed harmony features)
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type: bool default: false
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--harmony_shipping (enable all shipped harmony fetaures)
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type: bool default: true
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--harmony_modules (enable "harmony modules (implies block scoping)" (in progress))
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type: bool default: false
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--harmony_arrays (enable "harmony array methods" (in progress))
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type: bool default: false
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--harmony_array_includes (enable "harmony Array.prototype.includes" (in progress))
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type: bool default: false
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--harmony_regexps (enable "harmony regular expression extensions" (in progress))
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type: bool default: false
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--harmony_arrow_functions (enable "harmony arrow functions" (in progress))
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type: bool default: false
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--harmony_proxies (enable "harmony proxies" (in progress))
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type: bool default: false
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--harmony_sloppy (enable "harmony features in sloppy mode" (in progress))
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type: bool default: false
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--harmony_unicode (enable "harmony unicode escapes" (in progress))
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type: bool default: false
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--harmony_tostring (enable "harmony toString")
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type: bool default: false
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--harmony_numeric_literals (enable "harmony numeric literals")
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type: bool default: true
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--harmony_strings (enable "harmony string methods")
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type: bool default: true
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--harmony_scoping (enable "harmony block scoping")
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type: bool default: true
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--harmony_classes (enable "harmony classes (implies block scoping & object literal extension)")
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type: bool default: true
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--harmony_object_literals (enable "harmony object literal extensions")
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type: bool default: true
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--harmony_templates (enable "harmony template literals")
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type: bool default: true
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--compiled_keyed_generic_loads (use optimizing compiler to generate keyed generic load stubs)
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type: bool default: false
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--pretenuring_call_new (pretenure call new)
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type: bool default: false
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--allocation_site_pretenuring (pretenure with allocation sites)
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type: bool default: true
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--trace_pretenuring (trace pretenuring decisions of HAllocate instructions)
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type: bool default: false
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--trace_pretenuring_statistics (trace allocation site pretenuring statistics)
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type: bool default: false
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--track_fields (track fields with only smi values)
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type: bool default: true
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--track_double_fields (track fields with double values)
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type: bool default: true
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--track_heap_object_fields (track fields with heap values)
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type: bool default: true
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--track_computed_fields (track computed boilerplate fields)
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type: bool default: true
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--track_field_types (track field types)
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type: bool default: true
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--smi_binop (support smi representation in binary operations)
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type: bool default: true
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--vector_ics (support vector-based ics)
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type: bool default: false
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--optimize_for_size (Enables optimizations which favor memory size over execution speed.)
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type: bool default: false
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--unbox_double_arrays (automatically unbox arrays of doubles)
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type: bool default: true
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--string_slices (use string slices)
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type: bool default: true
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--crankshaft (use crankshaft)
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type: bool default: true
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--hydrogen_filter (optimization filter)
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type: string default: *
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--use_gvn (use hydrogen global value numbering)
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type: bool default: true
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--gvn_iterations (maximum number of GVN fix-point iterations)
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type: int default: 3
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--use_canonicalizing (use hydrogen instruction canonicalizing)
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type: bool default: true
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--use_inlining (use function inlining)
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type: bool default: true
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--use_escape_analysis (use hydrogen escape analysis)
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type: bool default: true
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--use_allocation_folding (use allocation folding)
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type: bool default: true
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--use_local_allocation_folding (only fold in basic blocks)
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type: bool default: false
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--use_write_barrier_elimination (eliminate write barriers targeting allocations in optimized code)
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type: bool default: true
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--max_inlining_levels (maximum number of inlining levels)
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type: int default: 5
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--max_inlined_source_size (maximum source size in bytes considered for a single inlining)
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type: int default: 600
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--max_inlined_nodes (maximum number of AST nodes considered for a single inlining)
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type: int default: 196
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--max_inlined_nodes_cumulative (maximum cumulative number of AST nodes considered for inlining)
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type: int default: 400
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--loop_invariant_code_motion (loop invariant code motion)
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type: bool default: true
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--fast_math (faster (but maybe less accurate) math functions)
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type: bool default: true
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--collect_megamorphic_maps_from_stub_cache (crankshaft harvests type feedback from stub cache)
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type: bool default: true
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--hydrogen_stats (print statistics for hydrogen)
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type: bool default: false
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--trace_check_elimination (trace check elimination phase)
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type: bool default: false
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--trace_hydrogen (trace generated hydrogen to file)
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type: bool default: false
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--trace_hydrogen_filter (hydrogen tracing filter)
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type: string default: *
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--trace_hydrogen_stubs (trace generated hydrogen for stubs)
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type: bool default: false
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--trace_hydrogen_file (trace hydrogen to given file name)
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type: string default: NULL
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--trace_phase (trace generated IR for specified phases)
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type: string default: HLZ
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--trace_inlining (trace inlining decisions)
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type: bool default: false
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--trace_load_elimination (trace load elimination)
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type: bool default: false
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--trace_store_elimination (trace store elimination)
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type: bool default: false
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--trace_alloc (trace register allocator)
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type: bool default: false
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--trace_all_uses (trace all use positions)
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type: bool default: false
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--trace_range (trace range analysis)
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type: bool default: false
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--trace_gvn (trace global value numbering)
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type: bool default: false
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--trace_representation (trace representation types)
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type: bool default: false
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--trace_removable_simulates (trace removable simulates)
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type: bool default: false
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--trace_escape_analysis (trace hydrogen escape analysis)
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type: bool default: false
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--trace_allocation_folding (trace allocation folding)
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type: bool default: false
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--trace_track_allocation_sites (trace the tracking of allocation sites)
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type: bool default: false
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--trace_migration (trace object migration)
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type: bool default: false
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--trace_generalization (trace map generalization)
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type: bool default: false
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--stress_pointer_maps (pointer map for every instruction)
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type: bool default: false
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--stress_environments (environment for every instruction)
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type: bool default: false
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--deopt_every_n_times (deoptimize every n times a deopt point is passed)
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type: int default: 0
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--deopt_every_n_garbage_collections (deoptimize every n garbage collections)
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type: int default: 0
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--print_deopt_stress (print number of possible deopt points)
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type: bool default: false
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--trap_on_deopt (put a break point before deoptimizing)
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type: bool default: false
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--trap_on_stub_deopt (put a break point before deoptimizing a stub)
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type: bool default: false
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--deoptimize_uncommon_cases (deoptimize uncommon cases)
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type: bool default: true
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--polymorphic_inlining (polymorphic inlining)
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type: bool default: true
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--use_osr (use on-stack replacement)
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type: bool default: true
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--array_bounds_checks_elimination (perform array bounds checks elimination)
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type: bool default: true
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--trace_bce (trace array bounds check elimination)
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type: bool default: false
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--array_bounds_checks_hoisting (perform array bounds checks hoisting)
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type: bool default: false
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--array_index_dehoisting (perform array index dehoisting)
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type: bool default: true
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--analyze_environment_liveness (analyze liveness of environment slots and zap dead values)
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type: bool default: true
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--load_elimination (use load elimination)
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type: bool default: true
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--check_elimination (use check elimination)
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type: bool default: true
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--store_elimination (use store elimination)
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type: bool default: false
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--dead_code_elimination (use dead code elimination)
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type: bool default: true
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--fold_constants (use constant folding)
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type: bool default: true
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--trace_dead_code_elimination (trace dead code elimination)
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type: bool default: false
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--unreachable_code_elimination (eliminate unreachable code)
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type: bool default: true
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--trace_osr (trace on-stack replacement)
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type: bool default: false
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--stress_runs (number of stress runs)
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type: int default: 0
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--lookup_sample_by_shared (when picking a function to optimize, watch for shared function info, not JSFunction itself)
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type: bool default: true
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--cache_optimized_code (cache optimized code for closures)
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type: bool default: true
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--flush_optimized_code_cache (flushes the cache of optimized code for closures on every GC)
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type: bool default: true
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--inline_construct (inline constructor calls)
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type: bool default: true
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--inline_arguments (inline functions with arguments object)
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type: bool default: true
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--inline_accessors (inline JavaScript accessors)
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type: bool default: true
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--escape_analysis_iterations (maximum number of escape analysis fix-point iterations)
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type: int default: 2
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--optimize_for_in (optimize functions containing for-in loops)
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type: bool default: true
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--concurrent_recompilation (optimizing hot functions asynchronously on a separate thread)
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type: bool default: true
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--job_based_recompilation (post tasks to v8::Platform instead of using a thread for concurrent recompilation)
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type: bool default: false
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--trace_concurrent_recompilation (track concurrent recompilation)
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type: bool default: false
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--concurrent_recompilation_queue_length (the length of the concurrent compilation queue)
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type: int default: 8
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--concurrent_recompilation_delay (artificial compilation delay in ms)
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type: int default: 0
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--block_concurrent_recompilation (block queued jobs until released)
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type: bool default: false
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--concurrent_osr (concurrent on-stack replacement)
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type: bool default: true
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--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.)
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type: bool default: true
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--turbo_filter (optimization filter for TurboFan compiler)
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type: string default: ~
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--trace_turbo (trace generated TurboFan IR)
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type: bool default: false
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--trace_turbo_graph (trace generated TurboFan graphs)
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type: bool default: false
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--trace_turbo_cfg_file (trace turbo cfg graph (for C1 visualizer) to a given file name)
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type: string default: NULL
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--trace_turbo_types (trace TurboFan's types)
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type: bool default: true
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--trace_turbo_scheduler (trace TurboFan's scheduler)
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type: bool default: false
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--trace_turbo_reduction (trace TurboFan's various reducers)
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type: bool default: false
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--trace_turbo_jt (trace TurboFan's jump threading)
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type: bool default: false
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--turbo_asm (enable TurboFan for asm.js code)
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type: bool default: true
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--turbo_verify (verify TurboFan graphs at each phase)
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type: bool default: false
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--turbo_stats (print TurboFan statistics)
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type: bool default: false
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--turbo_types (use typed lowering in TurboFan)
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type: bool default: true
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--turbo_source_positions (track source code positions when building TurboFan IR)
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type: bool default: false
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--context_specialization (enable context specialization in TurboFan)
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type: bool default: false
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--turbo_deoptimization (enable deoptimization in TurboFan)
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type: bool default: false
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--turbo_inlining (enable inlining in TurboFan)
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type: bool default: false
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--turbo_inlining_intrinsics (enable inlining of intrinsics in TurboFan)
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type: bool default: false
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--trace_turbo_inlining (trace TurboFan inlining)
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type: bool default: false
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--loop_assignment_analysis (perform loop assignment analysis)
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type: bool default: true
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--turbo_profiling (enable profiling in TurboFan)
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type: bool default: false
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--turbo_reuse_spill_slots (reuse spill slots in TurboFan)
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type: bool default: true
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--turbo_delay_ssa_decon (delay ssa deconstruction in TurboFan register allocator)
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type: bool default: false
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--turbo_move_optimization (optimize gap moves in TurboFan)
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type: bool default: true
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--turbo_jt (enable jump threading)
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type: bool default: true
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--typed_array_max_size_in_heap (threshold for in-heap typed array)
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type: int default: 64
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--frame_count (number of stack frames inspected by the profiler)
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type: int default: 1
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--interrupt_budget (execution budget before interrupt is triggered)
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type: int default: 6144
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--type_info_threshold (percentage of ICs that must have type info to allow optimization)
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type: int default: 25
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--generic_ic_threshold (max percentage of megamorphic/generic ICs to allow optimization)
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type: int default: 30
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--self_opt_count (call count before self-optimization)
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type: int default: 130
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--trace_opt_verbose (extra verbose compilation tracing)
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type: bool default: false
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--debug_code (generate extra code (assertions) for debugging)
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type: bool default: false
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--code_comments (emit comments in code disassembly)
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type: bool default: false
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--enable_sse3 (enable use of SSE3 instructions if available)
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type: bool default: true
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--enable_sse4_1 (enable use of SSE4.1 instructions if available)
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type: bool default: true
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--enable_sahf (enable use of SAHF instruction if available (X64 only))
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type: bool default: true
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--enable_avx (enable use of AVX instructions if available)
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type: bool default: true
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--enable_fma3 (enable use of FMA3 instructions if available)
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type: bool default: true
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--enable_vfp3 (enable use of VFP3 instructions if available)
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type: bool default: true
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--enable_armv7 (enable use of ARMv7 instructions if available (ARM only))
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type: bool default: true
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--enable_armv8 (enable use of ARMv8 instructions if available (ARM 32-bit only))
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type: bool default: true
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--enable_neon (enable use of NEON instructions if available (ARM only))
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type: bool default: true
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--enable_sudiv (enable use of SDIV and UDIV instructions if available (ARM only))
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type: bool default: true
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--enable_mls (enable use of MLS instructions if available (ARM only))
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type: bool default: true
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--enable_movw_movt (enable loading 32-bit constant by means of movw/movt instruction pairs (ARM only))
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type: bool default: false
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--enable_unaligned_accesses (enable unaligned accesses for ARMv7 (ARM only))
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type: bool default: true
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--enable_32dregs (enable use of d16-d31 registers on ARM - this requires VFP3)
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type: bool default: true
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--enable_vldr_imm (enable use of constant pools for double immediate (ARM only))
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type: bool default: false
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--force_long_branches (force all emitted branches to be in long mode (MIPS only))
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type: bool default: false
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--expose_natives_as (expose natives in global object)
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type: string default: NULL
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--expose_debug_as (expose debug in global object)
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type: string default: NULL
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--expose_free_buffer (expose freeBuffer extension)
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type: bool default: false
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--expose_gc (expose gc extension)
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type: bool default: false
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--expose_gc_as (expose gc extension under the specified name)
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type: string default: NULL
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--expose_externalize_string (expose externalize string extension)
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type: bool default: false
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--expose_trigger_failure (expose trigger-failure extension)
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type: bool default: false
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--stack_trace_limit (number of stack frames to capture)
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type: int default: 10
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--builtins_in_stack_traces (show built-in functions in stack traces)
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type: bool default: false
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--disable_native_files (disable builtin natives files)
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type: bool default: false
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--inline_new (use fast inline allocation)
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type: bool default: true
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--trace_codegen (print name of functions for which code is generated)
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type: bool default: false
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--trace (trace function calls)
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type: bool default: false
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--mask_constants_with_cookie (use random jit cookie to mask large constants)
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type: bool default: true
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--lazy (use lazy compilation)
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type: bool default: true
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--trace_opt (trace lazy optimization)
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type: bool default: false
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--trace_opt_stats (trace lazy optimization statistics)
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type: bool default: false
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--opt (use adaptive optimizations)
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type: bool default: true
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--always_opt (always try to optimize functions)
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type: bool default: false
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--always_osr (always try to OSR functions)
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type: bool default: false
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--prepare_always_opt (prepare for turning on always opt)
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type: bool default: false
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--trace_deopt (trace optimize function deoptimization)
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type: bool default: false
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--trace_stub_failures (trace deoptimization of generated code stubs)
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type: bool default: false
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--serialize_toplevel (enable caching of toplevel scripts)
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type: bool default: true
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--serialize_inner (enable caching of inner functions)
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type: bool default: false
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--trace_serializer (print code serializer trace)
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type: bool default: false
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--min_preparse_length (minimum length for automatic enable preparsing)
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type: int default: 1024
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--max_opt_count (maximum number of optimization attempts before giving up.)
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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
|
|
--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 pointer and data pages)
|
|
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
|
|
--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
|
|
--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
|
|
--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:
|
|
--gdbjit (enable GDBJIT interface (disables compacting GC))
|
|
type: bool default: false
|
|
--gdbjit_full (enable GDBJIT interface for all code objects)
|
|
type: bool default: false
|
|
--gdbjit_dump (dump elf objects with debug info to disk)
|
|
type: bool default: false
|
|
--gdbjit_dump_filter (dump only objects containing this substring)
|
|
type: string default:
|
|
--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
|
|
--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_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
|
|
|
|
.SH RESOURCES AND DOCUMENTATION
|
|
|
|
See the website for documentation http://iojs.org/
|
|
|
|
Mailing list: http://groups.google.com/group/nodejs
|
|
|
|
IRC: irc.freenode.net #io.js
|