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* include/ruby/ruby.h, gc.c: add new internal event

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RUBY_INTERNAL_EVENT_GC_END. This event invokes at the end of
  after_sweep().
  Time chart with lazy sweep is here:
  (1) Kick RUBY_INTERNAL_EVENT_GC_START
  (2) [gc_marks()]
  (3) [lazy_sweep()]
  (4) [... run Ruby program (mutator) with lazy_sweep() ...]
  (5) [after_sweep()]
  (6) Kick RUBY_INTERNAL_EVENT_GC_END
  (7) [... run Ruby program (mutator), and go to (1) ...]
* ext/-test-/tracepoint/tracepoint.c,
  test/-ext-/tracepoint/test_tracepoint.rb: modify a test.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2013-05-27 15:40:27 +00:00
parent c5b6c189d2
commit e4c58251b7
5 changed files with 38 additions and 4 deletions
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17
ChangeLog
View file

@ -1,3 +1,20 @@
Tue May 28 00:34:23 2013 Koichi Sasada <ko1@atdot.net>
* include/ruby/ruby.h, gc.c: add new internal event
RUBY_INTERNAL_EVENT_GC_END. This event invokes at the end of
after_sweep().
Time chart with lazy sweep is here:
(1) Kick RUBY_INTERNAL_EVENT_GC_START
(2) [gc_marks()]
(3) [lazy_sweep()]
(4) [... run Ruby program (mutator) with lazy_sweep() ...]
(5) [after_sweep()]
(6) Kick RUBY_INTERNAL_EVENT_GC_END
(7) [... run Ruby program (mutator), and go to (1) ...]
* ext/-test-/tracepoint/tracepoint.c,
test/-ext-/tracepoint/test_tracepoint.rb: modify a test.
Tue May 28 00:18:57 2013 Koichi Sasada <ko1@atdot.net>
* vm_trace.c (rb_postponed_job_flush): remove a wrong comment.

11
ext/-test-/tracepoint/tracepoint.c
View file

@ -4,6 +4,7 @@
static size_t newobj_count;
static size_t free_count;
static size_t gc_start_count;
static size_t gc_end_count;
static size_t objects_count;
static VALUE objects[10];
@ -29,6 +30,11 @@ tracepoint_track_objspace_events_i(VALUE tpval, void *data)
gc_start_count++;
break;
}
case RUBY_INTERNAL_EVENT_GC_END:
{
gc_end_count++;
break;
}
default:
rb_raise(rb_eRuntimeError, "unknown event");
}
@ -37,7 +43,9 @@ tracepoint_track_objspace_events_i(VALUE tpval, void *data)
VALUE
tracepoint_track_objspace_events(VALUE self)
{
VALUE tpval = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ | RUBY_INTERNAL_EVENT_FREEOBJ | RUBY_INTERNAL_EVENT_GC_START, tracepoint_track_objspace_events_i, 0);
VALUE tpval = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ | RUBY_INTERNAL_EVENT_FREEOBJ |
RUBY_INTERNAL_EVENT_GC_START | RUBY_INTERNAL_EVENT_GC_END,
tracepoint_track_objspace_events_i, 0);
VALUE result = rb_ary_new();
int i;
@ -50,6 +58,7 @@ tracepoint_track_objspace_events(VALUE self)
rb_ary_push(result, SIZET2NUM(newobj_count));
rb_ary_push(result, SIZET2NUM(free_count));
rb_ary_push(result, SIZET2NUM(gc_start_count));
rb_ary_push(result, SIZET2NUM(gc_end_count));
for (i=0; i<objects_count; i++) {
rb_ary_push(result, objects[i]);
}

2
gc.c
View file

@ -2328,6 +2328,8 @@ after_gc_sweep(rb_objspace_t *objspace)
}
free_unused_heaps(objspace);
gc_event_hook(objspace, RUBY_INTERNAL_EVENT_GC_END, 0 /* TODO: pass minor/immediate flag? */);
}
static int

3
include/ruby/ruby.h
View file

@ -1731,7 +1731,8 @@ int ruby_native_thread_p(void);
#define RUBY_INTERNAL_EVENT_NEWOBJ 0x100000
#define RUBY_INTERNAL_EVENT_FREEOBJ 0x200000
#define RUBY_INTERNAL_EVENT_GC_START 0x400000
#define RUBY_INTERNAL_EVENT_OBJSPACE_MASK 0x700000
#define RUBY_INTERNAL_EVENT_GC_END 0x800000
#define RUBY_INTERNAL_EVENT_OBJSPACE_MASK 0xf00000
#define RUBY_INTERNAL_EVENT_MASK 0xfffe0000
typedef unsigned long rb_event_flag_t;

9
test/-ext-/tracepoint/test_tracepoint.rb
View file

@ -17,7 +17,7 @@ class TestTracepointObj < Test::Unit::TestCase
nil
}
newobj_count, free_count, gc_start_count, *newobjs = *result
newobj_count, free_count, gc_start_count, gc_end_count, *newobjs = *result
assert_equal 2, newobj_count
assert_equal 2, newobjs.size
assert_equal 'foobar', newobjs[0]
@ -31,10 +31,15 @@ class TestTracepointObj < Test::Unit::TestCase
}
GC.stat(stat2)
newobj_count, free_count, gc_start_count, *newobjs = *result
newobj_count, free_count, gc_start_count, gc_end_count, *newobjs = *result
assert_operator stat2[:total_allocated_object] - stat1[:total_allocated_object], :>=, newobj_count
assert_operator 1_000_000, :<=, newobj_count
assert_operator stat2[:total_freed_object] - stat1[:total_freed_object], :>=, free_count
assert_operator stat2[:count] - stat1[:count], :==, gc_start_count
assert_operator gc_start_count, :>=, gc_end_count
assert_operator stat2[:count] - stat1[:count] - 1, :<=, gc_end_count
end
end