use 0 for rb_data_type_t::reserved instead of NULL, since its type
may be changed in the future and possibly not a pointer type.
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because dump_append_string_value() iterates over each chars,
fflush()-ing here effectively issues system calls on every single
bytes exist in a ruby process.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
By r44804, string objects can not have STR_ASSOC flag.
* internal.h: ditto.
* ext/objspace/objspace_dump.c (dump_object): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44805 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
reachable objects should not include categories and
category_objects because it is noisy information.
In fact, objects created after calling
ObjectSpace.reachable_objects_from_root should not be included
as a returning hash objects. Currently, mswin64 platform has a
problem because of this behaviour. Should we trace new objects?
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* ext/objspace/objspace_dump.c (dump_object): include fstring flag on
strings. include gc flags (old, remembered, wb_protected) on all objects.
* ext/objspace/objspace_dump.c (Init_objspace_dump): initialize lazy
IDs before first use.
* gc.c (rb_obj_gc_flags): new function to retrieve object flags
* internal.h (RB_OBJ_GC_FLAGS_MAX): maximum flags allowed for one obj
* test/objspace/test_objspace.rb (test_dump_flags): test for above
* test/objspace/test_objspace.rb (test_trace_object_allocations):
resolve name before dump (for rb_class_path_cached)
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* ext/objspace/object_tracing.c (newobj_i): use cached class path
only to get rid object allocation during NEWOBJ hook.
[ruby-core:58853] [Bug #9212]
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* ext/objspace/gc_hook.c: remove this file
* ext/-test-/tracepoint/gc_hook.c: new filename for above
* ext/objspace/objspace.c: remove ObjectSpace.after_gc_start_hook=
* test/objspace/test_objspace.rb: remove test
* test/-ext-/tracepoint/test_tracepoint.rb: add above test for
tracepoint re-entry
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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
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.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43301 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 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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