diff options
author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-09-11 08:46:59 +0000 |
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committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-09-11 08:46:59 +0000 |
commit | 970d8cb6136837b78787c1d1744db5fca1348968 (patch) | |
tree | de2743a2e8af467a7472bceac08f00ae10331ce9 /gc.c | |
parent | 310462e17933ce182d1643d40863aeb4e671b208 (diff) |
* include/ruby/ruby.h, gc.c: add new internal events
RUBY_INTERNAL_EVENT_GC_ENTER and
RUBY_INTERNAL_EVENT_GC_EXIT.
When invoking GC process, GC_ENTER event is called.
When exiting from GC process, GC_EXIT event is called.
Incremental GC (incremental marking and lazy sweep) can call
these events many times.
For example (minor marking):
(1) GC_ENTER
- (2) GC_START (minor GC)
(minor marking)
- (3) GC_END_MARK
(start lazy sweep)
(4) GC_EXIT
(ruby process)
(5) GC_ENTER
(lazy sweep)
(6) GC_EXIT
(ruby process)
(... repeat (5), (6))
(7) GC_ENTER
(finish lazy sweep)
- (8) GC_END_SWEEP
(9) GC_EXIT
2nd example (incremental major marking):
(1) GC_ENTER
- (2) GC_START (minor GC)
(start incremental marking)
(3) GC_EXIT
(ruby process)
(4) GC_ENTER
(incremental marking)
(5) GC_EXIT
(ruby process)
(... repeat (4), (5))
(6) GC_ENTER
(finish incremental marking)
- (7) GC_END_MARK
(start lazy sweep)
(8) GC_EXIT
(ruby process)
(9) GC_ENTER
(lazy sweep)
(10) GC_EXIT
(ruby process)
(... repeat (9), (10))
(11) GC_ENTER
(finish lazy marking)
- (12) GC_STOP_SWEEP
(13) GC_EXIT
Thease internal events enable to measure GC pause time completely.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
-rw-r--r-- | gc.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -5966,6 +5966,7 @@ gc_enter(rb_objspace_t *objspace, const char *event) during_gc = TRUE; gc_report(1, objspace, "gc_entr: %s [%s]\n", event, gc_current_status(objspace)); gc_record(objspace, 0, event); + gc_event_hook(objspace, RUBY_INTERNAL_EVENT_GC_ENTER, 0); /* TODO: which parameter should be passed? */ } static inline void @@ -5973,6 +5974,7 @@ gc_exit(rb_objspace_t *objspace, const char *event) { if (RGENGC_CHECK_MODE) assert(during_gc != 0); + gc_event_hook(objspace, RUBY_INTERNAL_EVENT_GC_EXIT, 0); /* TODO: which parameter should be passsed? */ gc_record(objspace, 1, event); gc_report(1, objspace, "gc_exit: %s [%s]\n", event, gc_current_status(objspace)); during_gc = FALSE; |