commit c785344b87221f5e4e6473e5b762e4e61fe65dcf
author Mathieu Chartier <mathieuc@google.com> Fri Mar 27 14:35:38 2015 -0700
committer Mathieu Chartier <mathieuc@google.com> Fri Apr 10 12:57:27 2015 -0700
tree cd32ad2c2604596a18926f04d4c313dab255ecfd
parent a29d93b380c9aeb8270e281aefbdd0c77a430d43

Move ArtField to native

Add linear alloc. Moved ArtField to be native object. Changed image
writer to put ArtFields after the mirror section.

Savings:
2MB on low ram devices
4MB on normal devices

Total PSS measurements before (normal N5, 95s after shell start):
Image size: 7729152 bytes
23112 kB: .NonMoving
23212 kB: .NonMoving
22868 kB: .NonMoving
23072 kB: .NonMoving
22836 kB: .NonMoving
19618 kB: .Zygote
19850 kB: .Zygote
19623 kB: .Zygote
19924 kB: .Zygote
19612 kB: .Zygote
Avg: 42745.4 kB

After:
Image size: 7462912 bytes
17440 kB: .NonMoving
16776 kB: .NonMoving
16804 kB: .NonMoving
17812 kB: .NonMoving
16820 kB: .NonMoving
18788 kB: .Zygote
18856 kB: .Zygote
19064 kB: .Zygote
18841 kB: .Zygote
18629 kB: .Zygote
3499 kB: .LinearAlloc
3408 kB: .LinearAlloc
3424 kB: .LinearAlloc
3600 kB: .LinearAlloc
3436 kB: .LinearAlloc
Avg: 39439.4 kB

No reflection performance changes.

Bug: 19264997
Bug: 17643507

Change-Id: I10c73a37913332080aeb978c7c94713bdfe4fe1c

runtime/mirror/object_test.cc

diff --git a/runtime/mirror/object_test.cc b/runtime/mirror/object_test.cc
index 1ce298d..747a008 100644
--- a/runtime/mirror/object_test.cc
+++ b/runtime/mirror/object_test.cc
@@ -722,14 +722,12 @@
                                      "Ljava/util/Comparator;") == NULL);
 
   // Right name and type.
-  Handle<ArtField> f1(hs.NewHandle(
-      c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;")));
-  Handle<ArtField> f2(hs.NewHandle(
-      mirror::Class::FindStaticField(soa.Self(), c, "CASE_INSENSITIVE_ORDER",
-                                     "Ljava/util/Comparator;")));
-  EXPECT_TRUE(f1.Get() != NULL);
-  EXPECT_TRUE(f2.Get() != NULL);
-  EXPECT_EQ(f1.Get(), f2.Get());
+  ArtField* f1 = c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
+  ArtField* f2 = mirror::Class::FindStaticField(soa.Self(), c, "CASE_INSENSITIVE_ORDER",
+                                                "Ljava/util/Comparator;");
+  EXPECT_TRUE(f1 != NULL);
+  EXPECT_TRUE(f2 != NULL);
+  EXPECT_EQ(f1, f2);
 
   // TODO: test static fields via superclasses.
   // TODO: test static fields via interfaces.