Trim reference tables when we trim the heap
Before:
System server:
virtual shared shared private private
size RSS PSS clean dirty clean dirty # object
2200 300 229 0 80 0 220 77 /dev/ashmem/dalvik-indirect ref table (deleted)
Location:
1896 128 102 0 28 0 100 39 /dev/ashmem/dalvik-indirect ref table (deleted)
After:
virtual shared shared private private
size RSS PSS clean dirty clean dirty # object
System server:
2216 64 64 0 0 0 64 79 /dev/ashmem/dalvik-indirect ref table (deleted)
Location:
2120 48 48 0 0 0 48 67 /dev/ashmem/dalvik-indirect ref table (deleted)
No pause time regression measured in memalloc test.
(cherry picked from commit 84dc99d2fa67e5dff018685661cb2bff62132989)
Change-Id: I80d9bd3b98e888fa8f77d03df69f8479ed209986
diff --git a/runtime/java_vm_ext.cc b/runtime/java_vm_ext.cc
index a5abce6..5d04fac 100644
--- a/runtime/java_vm_ext.cc
+++ b/runtime/java_vm_ext.cc
@@ -756,6 +756,11 @@
}
}
+void JavaVMExt::TrimGlobals() {
+ WriterMutexLock mu(Thread::Current(), globals_lock_);
+ globals_.Trim();
+}
+
void JavaVMExt::VisitRoots(RootCallback* callback, void* arg) {
Thread* self = Thread::Current();
{