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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44012 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (struct rb_objspace): rename internal last_collection_flags to
latest_gc_info
* gc.c (gc_latest_collection_info): add GC.latest_gc_info() with similar
behavior to GC.stat()
* gc.c (rb_gc_latest_gc_info): new c-api for above
* gc.c (gc_stat_internal): remove :last_collection_flags from GC.stat
* gc.c (gc_profile_decode_flags): remove GC::Profiler.decode_flags
* include/ruby/intern.h (rb_gc_latest_gc_info): export new c-api
* test/ruby/test_gc.rb (class TestGc): test for new behavior
* NEWS: note about new api
* gc.c (gc_stat_internal): raise TypeError on wrong type
* gc.c (gc_stat): fix error message
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44008 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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They are objspace_ functionality.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44006 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* include/ruby/intern.h: add rb_gc_stat() for access to GC.stat
variables from c-api
* gc.c (rb_gc_stat): new c-api method. accepts either VALUE hash like
GC.stat, or VALUE symbol key and returns size_t directly. the second
form is useful to avoid allocations, i.e. for usage inside
INTERNAL_EVENT_GC tracepoints.
* gc.c (gc_stat): add GC.stat(:key) to return single value instead of hash
* gc.c (gc_stat_internal): helper method to retrieve single or all stat values
* test/ruby/test_gc.rb (class TestGc): test for new behavior
* NEWS: note about this new api
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44005 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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return malloc_usable_size() if possible.
* gc.c (MALLOC_ALLOCATED_SIZE): add new setting macro to enable
GC.allocated_size.
If platform supports `malloc_usable_size()' (or similar one),
GC.allocated_size can be implemented with this function.
Default is 0.
* gc.c (vm_xmalloc, vm_xrealloc, vm_xfree): use vm_malloc_size()
to detect collect allocated size.
* gc.c (vm_malloc_increase): refactoring.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43998 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* include/ruby/ruby.h: remove INTERNAL_EVENT_GC_END and replace with
two new events: GC_END_MARK and GC_END_SWEEP
* gc.c (gc_after_sweep): emit GC_END_SWEEP after lazy sweep is done
* gc.c (gc_marks_body): emit GC_END_MARK at end of minor/major mark
* ext/-test-/tracepoint/tracepoint.c (struct tracepoint_track): tests
for new events.
* test/-ext-/tracepoint/test_tracepoint.rb (class TestTracepointObj):
ditto.
* NEWS: remove ObjectSpace.after_gc_*_hook. These are only a sample,
and will be removed before ruby 2.1.
* ext/objspace/gc_hook.c: remove ObjectSpace.after_gc_end_hook=
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (finalize_deferred): flush all deferred finalizers while other
finalizers can get ready to run newly by lazy sweep.
[ruby-core:58833] [Bug #9205]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43994 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (rb_gc_set_params): define as separate function.
RUBY_ALIAS_FUNCTION is for simple alias only, the third parameter
will be ignored on gcc.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43993 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (ruby_gc_set_params): Accept safe_level argument so GC tuning
settings can be applied before rb_safe_level() is available.
* internal.h (rb_gc_set_params): ditto.
* ruby.c (process_options): Apply GC tuning early during boot process
so boot-time allocations can benefit. This also benefits any code
loaded in via `ruby -r`.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.in: check malloc_size() available on BSD.
* gc.c: use malloc_size() with malloc/malloc.h on BSD.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43983 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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RClass->m_tbl with serial. This prevents double marking method
tables, since many classes/modules can share the same method table.
This improves minor mark time in a large application by 30%.
* internal.h (struct method_table_wrapper): Define new
wrapper struct with additional serial.
* internal.h (RCLASS_M_TBL_INIT): New macro for initializing method
table wrapper and st_table.
* method.h (void rb_sweep_method_entry): Rename rb_free_m_table to
rb_free_m_tbl for consistentcy
* .gdbinit (define rb_method_entry): Update rb_method_entry gdb helper
for new method table structure.
* class.c: Use RCLASS_M_TBL_WRAPPER and
RCLASS_M_TBL_INIT macros.
* class.c (rb_include_class_new): Share WRAPPER between module and
iclass, so serial can prevent double marking.
* eval.c (rb_prepend_module): ditto.
* eval.c (rb_using_refinement): ditto.
* gc.c: Mark and free new wrapper struct.
* gc.c (obj_memsize_of): Count size of additional wrapper struct.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43973 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (gc_stat): Add :last_collection_flags for reason/trigger/type of
last GC run.
* gc.c (gc_prof_sweep_timer_stop): Record HAVE_FINALIZE GPR even
without GC_PROFILE_MORE_DETAIL.
* gc.c (gc_profile_flags): Add GC::Profiler.decode_flags to make sense
of GC.stat[:last_collection_flags]
* test/ruby/test_gc.rb (class TestGc): Test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43893 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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GC heap/page/slot sizing.
* test/ruby/test_gc.rb (class TestGc): test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* hash.c (hash_aset_str): Re-use existing variable to avoid
unnecessary pointer dereferencing.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43875 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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heap_tomb_page_length.
* test/ruby/test_gc.rb: fix to use GC.stat[:heap_eden_page_length]
instead of GC.stat[:heap_length].
This test expects `heap_eden_page_length' (used pages size).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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used -> page_length
limit -> total_slots
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43868 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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if HAVE_MALLOC_USABLE_SIZE (or _WIN32) is defined.
We don't need these function if malloc_usable_size() is available.
* gc.c: catch up this change.
* gc.c: define HAVE_MALLOC_USABLE_SIZE on _WIN32.
* array.c (ary_resize_capa): do not use ruby_sized_xfree() with
local variable to avoid "unused local variable" warning.
This change only has few impact.
* string.c (rb_str_resize): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43839 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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RGENGC_ESTIMATE_OLDSPACE -> RGENGC_ESTIMATE_OLDMALLOC.
* gc.c: add a new major GC reason GPR_FLAG_MAJOR_BY_OLDMALLOC.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43837 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* final_num -> final_slots
* objspace_live_num() -> objspace_live_slots()
* objspace_limit_num() -> objspace_limit_slots()
* objspace_free_num() -> objspace_free_slots()
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43836 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* heap_swept_slot
* malloc_increase
* malloc_limit
* remembered_shady_object
* remembered_shady_object_limit
* old_object
* old_object_limit
* oldmalloc_increase
* oldmalloc_limit
* gc.c (gc_stat): rename names.
* heap_live_num -> heap_live_slot
* heap_free_num -> heap_free_slot
* heap_final_slot -> heap_final_slot
Quote from RDoc of GC.stat():
"The contents of the hash are implementation specific and may
be changed in the future."
* test/ruby/test_gc.rb: catch up this change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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(oldspace -> oldmalloc for variable names)
OLDSPACE is confusing because it is not includes slots.
To more clearly, rename such as (oldspace_limit -> oldmalloc_limit).
It is clear that it measures (estimates) malloc()'ed size.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (is_mark_stack_empty): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Now we have following environments (and related variable names).
* RUBY_GC_HEAP_INIT_SLOTS
* RUBY_GC_HEAP_FREE_SLOTS
* RUBY_GC_HEAP_GROWTH_FACTOR (new from 2.1)
* RUBY_GC_HEAP_GROWTH_MAX_SLOTS (new from 2.1)
* obsolete
* RUBY_FREE_MIN -> RUBY_GC_HEAP_FREE_SLOTS (from 2.1)
* RUBY_HEAP_MIN_SLOTS -> RUBY_GC_HEAP_INIT_SLOTS (from 2.1)
* RUBY_GC_MALLOC_LIMIT
* RUBY_GC_MALLOC_LIMIT_MAX (new from 2.1)
* RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR (new from 2.1)
* RUBY_GC_OLDSPACE_LIMIT (new from 2.1)
* RUBY_GC_OLDSPACE_LIMIT_MAX (new from 2.1)
* RUBY_GC_OLDSPACE_LIMIT_GROWTH_FACTOR (new from 2.1)
* test/ruby/test_gc.rb: catch up this change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43811 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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meaning (number of slots, not pages).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43809 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43797 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (gc_after_sweep): allocate pages to allocate at least
RUBY_HEAP_MIN_SLOTS.
[Bug #9137]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_gc_set_params because it's only used in ruby internal.
* internal.h (ruby_gc_set_params): Declare rb_gc_set_params's
alias function.
* gc.c: ditto.
* ruby.c: use ruby_gc_set_params.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43794 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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objspace.
* gc.c (ruby_mimfree): added. It is similar to ruby_mimmalloc().
* internal.h: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43771 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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malloc_usable_size() is defined by malloc_np.h on FreeBSD.
* configure.in: check malloc.h and malloc_np.h.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43763 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (malloc_usable_size): use _msize() on Windows.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (vm_xrealloc, vm_xfree): use malloc_usable_size() to obtain old
size if available.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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They are not only used initial values.
Chikanaga-san: Congratulations on RubyPrize!
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43757 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Without this option, some application consumes huge memory.
(and there are only a few performance down)
Introduced new environment variables:
* RUBY_GC_HEAP_OLDSPACE (default 16MB)
* RUBY_GC_HEAP_OLDSPACE_MAX (default 128 MB)
* RUBY_GC_HEAP_OLDSPACE_GROWTH_FACTOR (default 1.2)
* gc.c (initial_malloc_limit): rename to initial_malloc_limit_min.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (allrefs_dump_i): fix output format.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43746 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43745 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Basically, make an object graph of all of living objects before and
after marking and check status.
[Before marking: check WB sanity]
If there is a non-old object `obj' pointed from old object
(`parent') then `parent' or `obj' should be remembered.
[After marking: check marking miss]
Traversible objects with the object graph should be marked.
(However, this alert about objects pointed by machine context
can be false positive. We only display alert.)
[Implementation memo]
objspace_allrefs() creates an object graph.
The object graph is represented by st_table, key is object (VALUE)
and value is referring objects. Referring objects are stored by
"struct reflist".
* gc.c (init_mark_stack): do not use push_mark_stack_chunk() at init.
This pre-allocation causes failure on is_mark_stask_empty()
without any pushing.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_fstring() used rb_gc_mark() to avoid freeing used string.
However, rb_gc_mark() set mark bit *and* pushes mark_stack.
rb_gc_resurrect() does only set mark bit if it is before sweeping.
* string.c (rb_fstring): use rb_gc_resurrect.
* internal.h: add decl.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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to compile on GC_DEBUG.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43637 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (rb_define_finalizer, rb_undefine_finalizer): rename and export
finalizer functions.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43631 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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To reduce memory usage, sweep as soon as possible.
This behavior is same as Ruby 2.0.0 and before.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43623 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (should_be_callable): allow private call since rb_eval_cmd
calls even private methods.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43621 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* gc.c (should_be_callable): extract duplicate code.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Get bitmaps directly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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