Enhance the jit profiler to print more statistics and be more verbose.
Specifically, the per-trace invocation percentage is printed now.
D/dalvikvm( 671): TRACEPROFILE 0x42b6eed8 15449863 2.13% [0(+2), 253] Ljava/nio/Buffer;position;()I
D/dalvikvm( 671): TRACEPROFILE 0x42b7b3ac 15410023 2.13% [0x4(+3), 450] Lorg/apache/xml/serializer/CharInfo;shouldMapTextChar;(I)Z
D/dalvikvm( 671): TRACEPROFILE 0x42b7b2cc 15346582 2.12% [0(+2), 449] Lorg/apache/xml/serializer/CharInfo;shouldMapTextChar;(I)Z
D/dalvikvm( 671): TRACEPROFILE 0x42b7b40c 15013650 2.07% [0xb4(+2), 1527] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm( 671): TRACEPROFILE 0x42b7b4f0 14907957 2.06% [0xc7(+2), 1537] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm( 671): TRACEPROFILE 0x42b7b308 14898588 2.06% [0xad(+3), 1525] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm( 671): TRACEPROFILE 0x42b7b52c 14798762 2.04% [0xc4(+2), 1523] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm( 671): TRACEPROFILE 0x42b7b570 14763770 2.04% [0xf3(+2), 1577] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
And the top 10 traces will be recompiled in verbose mode to facilitate code
quality analysis.
diff --git a/vm/compiler/Compiler.h b/vm/compiler/Compiler.h
index ccc91dd..3f60a5e 100644
--- a/vm/compiler/Compiler.h
+++ b/vm/compiler/Compiler.h
@@ -160,6 +160,7 @@
struct BasicBlock;
struct SSARepresentation;
struct GrowableList;
+struct JitEntry;
void dvmInitializeSSAConversion(struct CompilationUnit *cUnit);
int dvmConvertSSARegToDalvik(struct CompilationUnit *cUnit, int ssaReg);
@@ -179,6 +180,7 @@
void dvmCompilerDataFlowAnalysisDispatcher(struct CompilationUnit *cUnit,
void (*func)(struct CompilationUnit *, struct BasicBlock *));
void dvmCompilerStateRefresh(void);
-JitTraceDescription *dvmCopyTraceDescriptor(const u2 *pc);
+JitTraceDescription *dvmCopyTraceDescriptor(const u2 *pc,
+ const struct JitEntry *desc);
#endif /* _DALVIK_VM_COMPILER */