* 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=
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is frozen.
rb_class_path() can modify frozen classes (and causes errors).
This patch is temporary. We need no-modification/no-allocation
class path function.
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* ext/objspace/objspace_dump.c (dump_output): allow IO object as
output, and use Tempfile.create and return open file instead of
mkstemp() and path name for :file output.
[ruby-core:58266] [Bug #9102]
* test/objspace/test_objspace.rb (TestObjSpace#dump_my_heap_please):
remove temporary output file.
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* ext/objspace/objspace_dump.c (dump_output): fix portability issue.
mkstemp() may not be available.
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objectspace as json: ObjectSpace.dump_all and ObjectSpace.dump(obj).
These methods are useful for debugging reference leaks and memory growth
in large ruby applications. [Bug #9026] [ruby-core:57893] [Fixes GH-423]
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This is another approach to solve an issue discussed at r43530.
This feature is diabled as default.
This feature measures an increment of memory consuption by oldgen
objects. It measures memory consumption for each objects when
the object is promoted. However, measurement of memory consumption
is not accurate now. So that this measurement is `estimation'.
To implement this feature, move memsize_of() function from
ext/objspace/objspace.c and expose rb_obj_memsize_of().
Some memsize() functions for T_DATA (T_TYPEDDATA) have problem to
measure memory size, so that we ignores T_DATA objects now.
For example, some functions skip NULL check for pointer.
The macro RGENGC_ESTIMATE_OLDSPACE enables/disables this feature,
and turned off as default.
We need to compare 3gen GC and this feature carefully.
(it is possible to enable both feature)
We need a help to compare them.
* internal.h: expose rb_obj_memsize_of().
* ext/objspace/objspace.c: use rb_obj_memsize_of() function.
* cont.c (fiber_memsize): fix to check NULL.
* variable.c (autoload_memsize): ditto.
* vm.c (vm_memsize): ditto.
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There is possibility to remain info due to missing FREEOBJ event.
FREEOBJ events are skipped while suppress_tracing state, for example,
during trace events are invoking.
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some bugs hits this check.
* ext/objspace/object_tracing.c (object_allocations_reporter_i): cast as pointer.
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ObjectSpace.trace_object_allocations_debug_start for GC debugging.
If you encounter the BUG "... is T_NONE" (and so on) on your
application, please try this method at the beggining of your app.
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ObjectSpace.reachable_objects_from_root returns all objects refered
from root (called "root objects").
This feature is for deep object analysis.
* test/objspace/test_objspace.rb: add a test.
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* ObjectSpace::trace_object_allocations_start
* ObjectSpace::trace_object_allocations_stop
* ObjectSpace::trace_object_allocations_clear
And some refactoring.
* test/objspace/test_objspace.rb: add a test for new methods.
* NEWS: add a description for new methods.
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* ext/objspace/objspace.c: try to include overview in rdoc,
see #8537.
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lookup_allocation_info. At times I confused "struct
allocation_info" with "function allocation_info".
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* ext/objspace/object_tracing.c (make_unique_str): fix argument type.
use long for string length.
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"[ruby-core:55182] [ruby-trunk - Bug #8456][Open] Sugfault in Ruby Head"
Care about the case TracePoint#path #=> `nil'.
* ext/objspace/object_tracing.c: add two new methods:
* ObjectSpace.allocation_class_path(o)
* ObjectSpace.allocation_method_id(o)
They are not useful for Object.new because they are always
"Class" and :new.
To trace more useful information, we need to maintain call-tree
using call/return hooks, which is implemented by
ll-prof <http://sunagae.net/wiki/doku.php?id=software:llprof>
* test/objspace/test_objspace.rb: add a test.
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hook GC invocation.
* ObjectSpace.after_gc_start_hook=(proc)
* ObjectSpace.after_gc_end_hook=(proc)
Note that hooks are not kicked immediately. Procs are kicked
at postponed_job.
This feature is a sample of new internal event and
rb_postponed_job API.
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Read the following test to know HOWTO.
This feature is a sample of RUBY_INTERNAL_EVENT.
* test/objspace/test_objspace.rb: add a test.
* ext/objspace/object_tracing.c: ditto.
* gc.c (rb_gc_count): add. THis function returns GC count.
* internal.h: add decl. of rb_gc_count(). Same as `GC.count'.
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for ObjectSpace.memsize_of().
* test/objspace/test_objspace.rb: add a test.
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* ext/objspace/objspace.c (type2sym, count_objects_size): use enum
instead of size_t which may be larger than actual values.
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structure of the result of reachable objects. Keys of table
contains object_id of each reachable objects. Value of table
is an object itself or an instance of InternalObjectWrapper.
To avoid duplication, we use st_table and object_id keys.
* ext/objspace/objspace.c (type2sym): bug fix.
Should use `i' instead of `type'.
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`ObjectSpace::InternalObjectWrapper#internal_object_id' which returns
an object id of a wrapped internal object.
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internal object support.
If given object `obj' has references to internal objects
(such as T_NODE objects), then this method returns instances of
`ObjectSpace::InternalObjectWrapper' instead of that internal objects.
This instance contains a refereance to an internal object and you can
check the type of internal object using
`ObjectSpace::InternalObjectWrapper#type' method.
Rdoc of `InternalObjectWrapper' is not prepared yet.
* gc.c (rb_objspace_reachable_objects_from), gc.h: change
an interface of 'rb_objspace_reachable_objects_from()'
* gc.c, gc.h: add two APIs
- rb_objspace_markable_object_p(obj): check markable or not.
- rb_objspace_internal_object_p(obj): check internal or not.
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This method returns an array of objects referenced by given object.
If given object is special objects such as true/false/nil/Fixnum etc
then it returns nil. See rdoc for details.
[ruby-core:39772]
* test/objspace/test_objspace.rb: add a test for this method.
* gc.c: add rb_objspace_reachable_objects_from().
To make this function, add several member `mark_func_data'
to rb_objspace_t. If mark_func_data is not null, then
gc_mark() calls mark_func_data::mark_func.
* gc.h: export rb_objspace_reachable_objects_from().
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Fix rdoc.
* ext/objspace/objspace.c (ObjectSpace.count_tdata_objects):
Change key type if the klass of a object is zero (internal object).
Read rdoc for details.
* internal.h: export rb_objspace_data_type_name().
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T_CLASS/const_tbl.
a patch from nagachika <nagachika00@gmail.com> [ruby-dev:42490]
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ObjectSpace.total_memsize_of_all_objects() to
ObjectSpace.memsize_of_all([klass]).
Accept Class object to filter the objects.
* test/objspace/test_objspace.rb: fix test for above change.
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* ext/objspace/objspace.c (total_memsize_of_all_objects): added.
* test/objspace/test_objspace.rb:
- add a test for ObjectSpace.total_memsize_of_all_objects.
- add two tests for ObjectSpace.memsize_of (for nil and Fixnum).
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method management. This change affect some VM control stack structure.
* vm.c, vm_insnhelper.c, vm_method.c, vm_eval.c: ditto. and make some
refactoring.
* insns.def, class.c, eval.c, proc.c, vm_dump.c : ditto.
* vm_core.h, compile.c (iseq_specialized_instruction): remove
VM_CALL_SEND_BIT. use another optimization tech for Kernel#send.
* node.h: remove unused node types.
* ext/objspace/objspace.c (count_nodes): ditto.
* gc.c: add mark/free functions for method entry.
* include/ruby/intern.h: remove decl of
rb_define_notimplement_method_id(). nobody can use it
because noex is not opend.
* iseq.c (iseq_mark): fix to check ic_method is available.
* iseq.c (rb_iseq_disasm): fix to use rb_method_get_iseq().
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