From c11d9b8870de5f860b13c84003ade7b3f3125a52 Mon Sep 17 00:00:00 2001 From: Mathieu Chartier Date: Thu, 19 Sep 2013 10:01:59 -0700 Subject: Re-enable concurrent system weak sweeping. Enabled by disallowing new system weaks during the pause and re-allowing it after the system weaks have been swept. Reduces GC pause by ~1ms. Fixes pause regression caused by fix for Bug: 10626133 Change-Id: If49d33e7ef19cb728ed3cef5187acfa53b9b05d8 --- runtime/intern_table.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'runtime/intern_table.h') diff --git a/runtime/intern_table.h b/runtime/intern_table.h index 07615dc..e68af90 100644 --- a/runtime/intern_table.h +++ b/runtime/intern_table.h @@ -66,6 +66,9 @@ class InternTable { void DumpForSigQuit(std::ostream& os) const; + void DisallowNewInterns() EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); + void AllowNewInterns() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + private: typedef std::multimap Table; @@ -79,6 +82,8 @@ class InternTable { mutable Mutex intern_table_lock_; bool is_dirty_ GUARDED_BY(intern_table_lock_); + bool allow_new_interns_ GUARDED_BY(intern_table_lock_); + ConditionVariable new_intern_condition_ GUARDED_BY(intern_table_lock_); Table strong_interns_ GUARDED_BY(intern_table_lock_); Table weak_interns_ GUARDED_BY(intern_table_lock_); }; -- cgit v1.1