--- a/hotspot/src/cpu/sparc/vm/assembler_sparc.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/sparc/vm/assembler_sparc.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -4102,11 +4102,15 @@
store_klass(t2, top);
verify_oop(top);
+ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_start_offset()), t1);
+ sub(top, t1, t1); // size of tlab's allocated portion
+ incr_allocated_bytes(t1, 0, t2);
+
// refill the tlab with an eden allocation
bind(do_refill);
ld_ptr(G2_thread, in_bytes(JavaThread::tlab_size_offset()), t1);
sll_ptr(t1, LogHeapWordSize, t1);
- // add object_size ??
+ // allocate new tlab, address returned in top
eden_allocate(top, t1, 0, t2, t3, slow_case);
st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_start_offset()));
@@ -4134,6 +4138,22 @@
delayed()->nop();
}
+void MacroAssembler::incr_allocated_bytes(Register var_size_in_bytes,
+ int con_size_in_bytes,
+ Register t1) {
+ // Bump total bytes allocated by this thread
+ assert(t1->is_global(), "must be global reg"); // so all 64 bits are saved on a context switch
+ assert_different_registers(var_size_in_bytes, t1);
+ // v8 support has gone the way of the dodo
+ ldx(G2_thread, in_bytes(JavaThread::allocated_bytes_offset()), t1);
+ if (var_size_in_bytes->is_valid()) {
+ add(t1, var_size_in_bytes, t1);
+ } else {
+ add(t1, con_size_in_bytes, t1);
+ }
+ stx(t1, G2_thread, in_bytes(JavaThread::allocated_bytes_offset()));
+}
+
Assembler::Condition MacroAssembler::negate_condition(Assembler::Condition cond) {
switch (cond) {
// Note some conditions are synonyms for others
--- a/hotspot/src/cpu/sparc/vm/assembler_sparc.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/sparc/vm/assembler_sparc.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -2389,6 +2389,7 @@
Label& slow_case // continuation point if fast allocation fails
);
void tlab_refill(Label& retry_tlab, Label& try_eden, Label& slow_case);
+ void incr_allocated_bytes(Register var_size_in_bytes, int con_size_in_bytes, Register t1);
// interface method calling
void lookup_interface_method(Register recv_klass,
--- a/hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -166,7 +166,7 @@
Register obj, // result: pointer to object after successful allocation
Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
int con_size_in_bytes, // object size in bytes if known at compile time
- Register t1, // temp register
+ Register t1, // temp register, must be global register for incr_allocated_bytes
Register t2, // temp register
Label& slow_case // continuation point if fast allocation fails
) {
@@ -174,6 +174,7 @@
tlab_allocate(obj, var_size_in_bytes, con_size_in_bytes, t1, slow_case);
} else {
eden_allocate(obj, var_size_in_bytes, con_size_in_bytes, t1, t2, slow_case);
+ incr_allocated_bytes(var_size_in_bytes, con_size_in_bytes, t1);
}
}
@@ -214,7 +215,7 @@
void C1_MacroAssembler::allocate_object(
Register obj, // result: pointer to object after successful allocation
Register t1, // temp register
- Register t2, // temp register
+ Register t2, // temp register, must be a global register for try_allocate
Register t3, // temp register
int hdr_size, // object header size in words
int obj_size, // object size in words
--- a/hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
--- a/hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -448,7 +448,9 @@
// get the instance size
__ ld(G5_klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes(), G1_obj_size);
+
__ tlab_allocate(O0_obj, G1_obj_size, 0, G3_t1, slow_path);
+
__ initialize_object(O0_obj, G5_klass, G1_obj_size, 0, G3_t1, G4_t2);
__ verify_oop(O0_obj);
__ mov(O0, I0);
@@ -459,6 +461,8 @@
// get the instance size
__ ld(G5_klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes(), G1_obj_size);
__ eden_allocate(O0_obj, G1_obj_size, 0, G3_t1, G4_t2, slow_path);
+ __ incr_allocated_bytes(G1_obj_size, 0, G3_t1);
+
__ initialize_object(O0_obj, G5_klass, G1_obj_size, 0, G3_t1, G4_t2);
__ verify_oop(O0_obj);
__ mov(O0, I0);
@@ -573,6 +577,7 @@
__ and3(G1_arr_size, ~MinObjAlignmentInBytesMask, G1_arr_size);
__ eden_allocate(O0_obj, G1_arr_size, 0, G3_t1, O1_t2, slow_path); // preserves G1_arr_size
+ __ incr_allocated_bytes(G1_arr_size, 0, G3_t1);
__ initialize_header(O0_obj, G5_klass, G4_length, G3_t1, O1_t2);
__ ldub(klass_lh, G3_t1, klass_lh_header_size_offset);
--- a/hotspot/src/cpu/sparc/vm/templateTable_sparc.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/sparc/vm/templateTable_sparc.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -3393,21 +3393,21 @@
__ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset()));
if (allow_shared_alloc) {
- // Check if tlab should be discarded (refill_waste_limit >= free)
- __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue);
- __ sub(RendValue, RoldTopValue, RfreeValue);
+ // Check if tlab should be discarded (refill_waste_limit >= free)
+ __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue);
+ __ sub(RendValue, RoldTopValue, RfreeValue);
#ifdef _LP64
- __ srlx(RfreeValue, LogHeapWordSize, RfreeValue);
+ __ srlx(RfreeValue, LogHeapWordSize, RfreeValue);
#else
- __ srl(RfreeValue, LogHeapWordSize, RfreeValue);
+ __ srl(RfreeValue, LogHeapWordSize, RfreeValue);
#endif
- __ cmp(RtlabWasteLimitValue, RfreeValue);
- __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, slow_case); // tlab waste is small
- __ delayed()->nop();
-
- // increment waste limit to prevent getting stuck on this slow path
- __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue);
- __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()));
+ __ cmp(RtlabWasteLimitValue, RfreeValue);
+ __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, slow_case); // tlab waste is small
+ __ delayed()->nop();
+
+ // increment waste limit to prevent getting stuck on this slow path
+ __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue);
+ __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()));
} else {
// No allocation in the shared eden.
__ br(Assembler::always, false, Assembler::pt, slow_case);
@@ -3445,6 +3445,9 @@
__ cmp(RoldTopValue, RnewTopValue);
__ brx(Assembler::notEqual, false, Assembler::pn, retry);
__ delayed()->nop();
+
+ // bump total bytes allocated by this thread
+ __ incr_allocated_bytes(Roffset, 0, G1_scratch);
}
if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) {
--- a/hotspot/src/cpu/x86/vm/assembler_x86.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -820,7 +820,20 @@
}
-// Now the Assembler instruction (identical for 32/64 bits)
+// Now the Assembler instructions (identical for 32/64 bits)
+
+void Assembler::adcl(Address dst, int32_t imm32) {
+ InstructionMark im(this);
+ prefix(dst);
+ emit_arith_operand(0x81, rdx, dst, imm32);
+}
+
+void Assembler::adcl(Address dst, Register src) {
+ InstructionMark im(this);
+ prefix(dst, src);
+ emit_byte(0x11);
+ emit_operand(src, dst);
+}
void Assembler::adcl(Register dst, int32_t imm32) {
prefix(dst);
@@ -2195,9 +2208,7 @@
void Assembler::orl(Address dst, int32_t imm32) {
InstructionMark im(this);
prefix(dst);
- emit_byte(0x81);
- emit_operand(rcx, dst, 4);
- emit_long(imm32);
+ emit_arith_operand(0x81, rcx, dst, imm32);
}
void Assembler::orl(Register dst, int32_t imm32) {
@@ -2205,7 +2216,6 @@
emit_arith(0x81, 0xC8, dst, imm32);
}
-
void Assembler::orl(Register dst, Address src) {
InstructionMark im(this);
prefix(src, dst);
@@ -2213,7 +2223,6 @@
emit_operand(dst, src);
}
-
void Assembler::orl(Register dst, Register src) {
(void) prefix_and_encode(dst->encoding(), src->encoding());
emit_arith(0x0B, 0xC0, dst, src);
@@ -2692,20 +2701,7 @@
void Assembler::subl(Address dst, int32_t imm32) {
InstructionMark im(this);
prefix(dst);
- if (is8bit(imm32)) {
- emit_byte(0x83);
- emit_operand(rbp, dst, 1);
- emit_byte(imm32 & 0xFF);
- } else {
- emit_byte(0x81);
- emit_operand(rbp, dst, 4);
- emit_long(imm32);
- }
-}
-
-void Assembler::subl(Register dst, int32_t imm32) {
- prefix(dst);
- emit_arith(0x81, 0xE8, dst, imm32);
+ emit_arith_operand(0x81, rbp, dst, imm32);
}
void Assembler::subl(Address dst, Register src) {
@@ -2715,6 +2711,11 @@
emit_operand(src, dst);
}
+void Assembler::subl(Register dst, int32_t imm32) {
+ prefix(dst);
+ emit_arith(0x81, 0xE8, dst, imm32);
+}
+
void Assembler::subl(Register dst, Address src) {
InstructionMark im(this);
prefix(src, dst);
@@ -4333,6 +4334,7 @@
emit_byte(0xD3);
emit_byte(0xF8 | encode);
}
+
void Assembler::sbbq(Address dst, int32_t imm32) {
InstructionMark im(this);
prefixq(dst);
@@ -4392,20 +4394,7 @@
void Assembler::subq(Address dst, int32_t imm32) {
InstructionMark im(this);
prefixq(dst);
- if (is8bit(imm32)) {
- emit_byte(0x83);
- emit_operand(rbp, dst, 1);
- emit_byte(imm32 & 0xFF);
- } else {
- emit_byte(0x81);
- emit_operand(rbp, dst, 4);
- emit_long(imm32);
- }
-}
-
-void Assembler::subq(Register dst, int32_t imm32) {
- (void) prefixq_and_encode(dst->encoding());
- emit_arith(0x81, 0xE8, dst, imm32);
+ emit_arith_operand(0x81, rbp, dst, imm32);
}
void Assembler::subq(Address dst, Register src) {
@@ -4415,6 +4404,11 @@
emit_operand(src, dst);
}
+void Assembler::subq(Register dst, int32_t imm32) {
+ (void) prefixq_and_encode(dst->encoding());
+ emit_arith(0x81, 0xE8, dst, imm32);
+}
+
void Assembler::subq(Register dst, Address src) {
InstructionMark im(this);
prefixq(src, dst);
@@ -7136,9 +7130,9 @@
}
// Preserves rbx, and rdx.
-void MacroAssembler::tlab_refill(Label& retry,
- Label& try_eden,
- Label& slow_case) {
+Register MacroAssembler::tlab_refill(Label& retry,
+ Label& try_eden,
+ Label& slow_case) {
Register top = rax;
Register t1 = rcx;
Register t2 = rsi;
@@ -7185,7 +7179,7 @@
// if tlab is currently allocated (top or end != null) then
// fill [top, end + alignment_reserve) with array object
- testptr (top, top);
+ testptr(top, top);
jcc(Assembler::zero, do_refill);
// set up the mark word
@@ -7197,16 +7191,20 @@
movl(Address(top, arrayOopDesc::length_offset_in_bytes()), t1);
// set klass to intArrayKlass
// dubious reloc why not an oop reloc?
- movptr(t1, ExternalAddress((address) Universe::intArrayKlassObj_addr()));
+ movptr(t1, ExternalAddress((address)Universe::intArrayKlassObj_addr()));
// store klass last. concurrent gcs assumes klass length is valid if
// klass field is not null.
store_klass(top, t1);
+ movptr(t1, top);
+ subptr(t1, Address(thread_reg, in_bytes(JavaThread::tlab_start_offset())));
+ incr_allocated_bytes(thread_reg, t1, 0);
+
// refill the tlab with an eden allocation
bind(do_refill);
movptr(t1, Address(thread_reg, in_bytes(JavaThread::tlab_size_offset())));
shlptr(t1, LogHeapWordSize);
- // add object_size ??
+ // allocate new tlab, address returned in top
eden_allocate(top, t1, 0, t2, slow_case);
// Check that t1 was preserved in eden_allocate.
@@ -7234,6 +7232,34 @@
movptr(Address(thread_reg, in_bytes(JavaThread::tlab_end_offset())), top);
verify_tlab();
jmp(retry);
+
+ return thread_reg; // for use by caller
+}
+
+void MacroAssembler::incr_allocated_bytes(Register thread,
+ Register var_size_in_bytes,
+ int con_size_in_bytes,
+ Register t1) {
+#ifdef _LP64
+ if (var_size_in_bytes->is_valid()) {
+ addq(Address(thread, in_bytes(JavaThread::allocated_bytes_offset())), var_size_in_bytes);
+ } else {
+ addq(Address(thread, in_bytes(JavaThread::allocated_bytes_offset())), con_size_in_bytes);
+ }
+#else
+ if (!thread->is_valid()) {
+ assert(t1->is_valid(), "need temp reg");
+ thread = t1;
+ get_thread(thread);
+ }
+
+ if (var_size_in_bytes->is_valid()) {
+ addl(Address(thread, in_bytes(JavaThread::allocated_bytes_offset())), var_size_in_bytes);
+ } else {
+ addl(Address(thread, in_bytes(JavaThread::allocated_bytes_offset())), con_size_in_bytes);
+ }
+ adcl(Address(thread, in_bytes(JavaThread::allocated_bytes_offset())+4), 0);
+#endif
}
static const double pi_4 = 0.7853981633974483;
--- a/hotspot/src/cpu/x86/vm/assembler_x86.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -674,12 +674,14 @@
// Utilities
#ifdef _LP64
- static bool is_simm(int64_t x, int nbits) { return -( CONST64(1) << (nbits-1) ) <= x && x < ( CONST64(1) << (nbits-1) ); }
+ static bool is_simm(int64_t x, int nbits) { return -(CONST64(1) << (nbits-1)) <= x &&
+ x < (CONST64(1) << (nbits-1)); }
static bool is_simm32(int64_t x) { return x == (int64_t)(int32_t)x; }
#else
- static bool is_simm(int32_t x, int nbits) { return -( 1 << (nbits-1) ) <= x && x < ( 1 << (nbits-1) ); }
+ static bool is_simm(int32_t x, int nbits) { return -(1 << (nbits-1)) <= x &&
+ x < (1 << (nbits-1)); }
static bool is_simm32(int32_t x) { return true; }
-#endif // LP64
+#endif // _LP64
// Generic instructions
// Does 32bit or 64bit as needed for the platform. In some sense these
@@ -705,7 +707,6 @@
void push(void* v);
void pop(void* v);
-
// These do register sized moves/scans
void rep_mov();
void rep_set();
@@ -716,6 +717,8 @@
// Vanilla instructions in lexical order
+ void adcl(Address dst, int32_t imm32);
+ void adcl(Address dst, Register src);
void adcl(Register dst, int32_t imm32);
void adcl(Register dst, Address src);
void adcl(Register dst, Register src);
@@ -724,7 +727,6 @@
void adcq(Register dst, Address src);
void adcq(Register dst, Register src);
-
void addl(Address dst, int32_t imm32);
void addl(Address dst, Register src);
void addl(Register dst, int32_t imm32);
@@ -737,7 +739,6 @@
void addq(Register dst, Address src);
void addq(Register dst, Register src);
-
void addr_nop_4();
void addr_nop_5();
void addr_nop_7();
@@ -759,7 +760,6 @@
void andq(Register dst, Address src);
void andq(Register dst, Register src);
-
// Bitwise Logical AND of Packed Double-Precision Floating-Point Values
void andpd(XMMRegister dst, Address src);
void andpd(XMMRegister dst, XMMRegister src);
@@ -1151,7 +1151,7 @@
#ifdef _LP64
void movq(Register dst, Register src);
void movq(Register dst, Address src);
- void movq(Address dst, Register src);
+ void movq(Address dst, Register src);
#endif
void movq(Address dst, MMXRegister src );
@@ -1177,7 +1177,7 @@
void movsbq(Register dst, Register src);
// Move signed 32bit immediate to 64bit extending sign
- void movslq(Address dst, int32_t imm64);
+ void movslq(Address dst, int32_t imm64);
void movslq(Register dst, int32_t imm64);
void movslq(Register dst, Address src);
@@ -1857,7 +1857,10 @@
Register t2, // temp register
Label& slow_case // continuation point if fast allocation fails
);
- void tlab_refill(Label& retry_tlab, Label& try_eden, Label& slow_case);
+ Register tlab_refill(Label& retry_tlab, Label& try_eden, Label& slow_case); // returns TLS address
+ void incr_allocated_bytes(Register thread,
+ Register var_size_in_bytes, int con_size_in_bytes,
+ Register t1 = noreg);
// interface method calling
void lookup_interface_method(Register recv_klass,
@@ -2180,9 +2183,9 @@
void divss(XMMRegister dst, Address src) { Assembler::divss(dst, src); }
void divss(XMMRegister dst, AddressLiteral src) { Assembler::divss(dst, as_Address(src)); }
- void movsd(XMMRegister dst, XMMRegister src) { Assembler::movsd(dst, src); }
- void movsd(Address dst, XMMRegister src) { Assembler::movsd(dst, src); }
- void movsd(XMMRegister dst, Address src) { Assembler::movsd(dst, src); }
+ void movsd(XMMRegister dst, XMMRegister src) { Assembler::movsd(dst, src); }
+ void movsd(Address dst, XMMRegister src) { Assembler::movsd(dst, src); }
+ void movsd(XMMRegister dst, Address src) { Assembler::movsd(dst, src); }
void movsd(XMMRegister dst, AddressLiteral src) { Assembler::movsd(dst, as_Address(src)); }
void mulsd(XMMRegister dst, XMMRegister src) { Assembler::mulsd(dst, src); }
--- a/hotspot/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -141,6 +141,7 @@
tlab_allocate(obj, var_size_in_bytes, con_size_in_bytes, t1, t2, slow_case);
} else {
eden_allocate(obj, var_size_in_bytes, con_size_in_bytes, t1, slow_case);
+ incr_allocated_bytes(noreg, var_size_in_bytes, con_size_in_bytes, t1);
}
}
@@ -234,7 +235,7 @@
void C1_MacroAssembler::allocate_object(Register obj, Register t1, Register t2, int header_size, int object_size, Register klass, Label& slow_case) {
assert(obj == rax, "obj must be in rax, for cmpxchg");
- assert(obj != t1 && obj != t2 && t1 != t2, "registers must be different"); // XXX really?
+ assert_different_registers(obj, t1, t2); // XXX really?
assert(header_size >= 0 && object_size >= header_size, "illegal sizes");
try_allocate(obj, noreg, object_size * BytesPerWord, t1, t2, slow_case);
--- a/hotspot/src/cpu/x86/vm/c1_Runtime1_x86.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/c1_Runtime1_x86.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -977,7 +977,6 @@
// verify that that there is really a valid exception in rax,
__ verify_not_null_oop(exception_oop);
-
oop_maps = new OopMapSet();
OopMap* oop_map = generate_oop_map(sasm, 1);
generate_handle_exception(sasm, oop_maps, oop_map);
@@ -1037,13 +1036,16 @@
// if we got here then the TLAB allocation failed, so try
// refilling the TLAB or allocating directly from eden.
Label retry_tlab, try_eden;
- __ tlab_refill(retry_tlab, try_eden, slow_path); // does not destroy rdx (klass)
+ const Register thread =
+ __ tlab_refill(retry_tlab, try_eden, slow_path); // does not destroy rdx (klass), returns rdi
__ bind(retry_tlab);
// get the instance size (size is postive so movl is fine for 64bit)
__ movl(obj_size, Address(klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes()));
+
__ tlab_allocate(obj, obj_size, 0, t1, t2, slow_path);
+
__ initialize_object(obj, klass, obj_size, 0, t1, t2);
__ verify_oop(obj);
__ pop(rbx);
@@ -1053,7 +1055,10 @@
__ bind(try_eden);
// get the instance size (size is postive so movl is fine for 64bit)
__ movl(obj_size, Address(klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes()));
+
__ eden_allocate(obj, obj_size, 0, t1, slow_path);
+ __ incr_allocated_bytes(thread, obj_size, 0);
+
__ initialize_object(obj, klass, obj_size, 0, t1, t2);
__ verify_oop(obj);
__ pop(rbx);
@@ -1143,12 +1148,13 @@
// if we got here then the TLAB allocation failed, so try
// refilling the TLAB or allocating directly from eden.
Label retry_tlab, try_eden;
- __ tlab_refill(retry_tlab, try_eden, slow_path); // preserves rbx, & rdx
+ const Register thread =
+ __ tlab_refill(retry_tlab, try_eden, slow_path); // preserves rbx & rdx, returns rdi
__ bind(retry_tlab);
// get the allocation size: round_up(hdr + length << (layout_helper & 0x1F))
- // since size is postive movl does right thing on 64bit
+ // since size is positive movl does right thing on 64bit
__ movl(t1, Address(klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes()));
// since size is postive movl does right thing on 64bit
__ movl(arr_size, length);
@@ -1175,7 +1181,7 @@
__ bind(try_eden);
// get the allocation size: round_up(hdr + length << (layout_helper & 0x1F))
- // since size is postive movl does right thing on 64bit
+ // since size is positive movl does right thing on 64bit
__ movl(t1, Address(klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes()));
// since size is postive movl does right thing on 64bit
__ movl(arr_size, length);
@@ -1188,6 +1194,7 @@
__ andptr(arr_size, ~MinObjAlignmentInBytesMask);
__ eden_allocate(obj, arr_size, 0, t1, slow_path); // preserves arr_size
+ __ incr_allocated_bytes(thread, arr_size, 0);
__ initialize_header(obj, klass, length, t1, t2);
__ movb(t1, Address(klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes() + (Klass::_lh_header_size_shift / BitsPerByte)));
--- a/hotspot/src/cpu/x86/vm/templateTable_x86_32.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/templateTable_x86_32.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -3203,10 +3203,12 @@
const bool allow_shared_alloc =
Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode;
+ const Register thread = rcx;
+ if (UseTLAB || allow_shared_alloc) {
+ __ get_thread(thread);
+ }
+
if (UseTLAB) {
- const Register thread = rcx;
-
- __ get_thread(thread);
__ movptr(rax, Address(thread, in_bytes(JavaThread::tlab_top_offset())));
__ lea(rbx, Address(rax, rdx, Address::times_1));
__ cmpptr(rbx, Address(thread, in_bytes(JavaThread::tlab_end_offset())));
@@ -3247,6 +3249,8 @@
// if someone beat us on the allocation, try again, otherwise continue
__ jcc(Assembler::notEqual, retry);
+
+ __ incr_allocated_bytes(thread, rdx, 0);
}
if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) {
@@ -3256,12 +3260,12 @@
__ decrement(rdx, sizeof(oopDesc));
__ jcc(Assembler::zero, initialize_header);
- // Initialize topmost object field, divide rdx by 8, check if odd and
- // test if zero.
+ // Initialize topmost object field, divide rdx by 8, check if odd and
+ // test if zero.
__ xorl(rcx, rcx); // use zero reg to clear memory (shorter code)
__ shrl(rdx, LogBytesPerLong); // divide by 2*oopSize and set carry flag if odd
- // rdx must have been multiple of 8
+ // rdx must have been multiple of 8
#ifdef ASSERT
// make sure rdx was multiple of 8
Label L;
--- a/hotspot/src/cpu/x86/vm/templateTable_x86_64.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/templateTable_x86_64.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -3266,6 +3266,8 @@
// if someone beat us on the allocation, try again, otherwise continue
__ jcc(Assembler::notEqual, retry);
+
+ __ incr_allocated_bytes(r15_thread, rdx, 0);
}
if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) {
--- a/hotspot/src/os/solaris/vm/os_solaris.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/os/solaris/vm/os_solaris.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -283,7 +283,7 @@
is_error_reported(),
"sp must be inside of selected thread stack");
- thread->_self_raw_id = raw_id; // mark for quick retrieval
+ thread->set_self_raw_id(raw_id); // mark for quick retrieval
_get_thread_cache[ index ] = thread;
}
return thread;
@@ -5197,7 +5197,7 @@
int o_delete = (oflag & O_DELETE);
oflag = oflag & ~O_DELETE;
- fd = ::open(path, oflag, mode);
+ fd = ::open64(path, oflag, mode);
if (fd == -1) return -1;
//If the open succeeded, the file might still be a directory
--- a/hotspot/src/os/solaris/vm/thread_solaris.inline.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/os/solaris/vm/thread_solaris.inline.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -53,10 +53,10 @@
uintptr_t raw = pd_raw_thread_id();
int ix = pd_cache_index(raw);
- Thread *Candidate = ThreadLocalStorage::_get_thread_cache[ix];
- if (Candidate->_self_raw_id == raw) {
+ Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix];
+ if (candidate->self_raw_id() == raw) {
// hit
- return Candidate;
+ return candidate;
} else {
return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
}
--- a/hotspot/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -585,6 +585,13 @@
sigaddset(&newset, sig);
sigprocmask(SIG_UNBLOCK, &newset, NULL);
+ // Determine which sort of error to throw. Out of swap may signal
+ // on the thread stack, which could get a mapping error when touched.
+ address addr = (address) info->si_addr;
+ if (sig == SIGBUS && info->si_code == BUS_OBJERR && info->si_errno == ENOMEM) {
+ vm_exit_out_of_memory(0, "Out of swap space to map in thread stack.");
+ }
+
VMError err(t, sig, pc, info, ucVoid);
err.report_and_die();
--- a/hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -742,6 +742,13 @@
sigaddset(&newset, sig);
sigprocmask(SIG_UNBLOCK, &newset, NULL);
+ // Determine which sort of error to throw. Out of swap may signal
+ // on the thread stack, which could get a mapping error when touched.
+ address addr = (address) info->si_addr;
+ if (sig == SIGBUS && info->si_code == BUS_OBJERR && info->si_errno == ENOMEM) {
+ vm_exit_out_of_memory(0, "Out of swap space to map in thread stack.");
+ }
+
VMError err(t, sig, pc, info, ucVoid);
err.report_and_die();
--- a/hotspot/src/share/vm/c1/c1_Compilation.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/c1/c1_Compilation.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -245,7 +245,7 @@
}
-void Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {
+bool Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {
// Preinitialize the consts section to some large size:
int locs_buffer_size = 20 * (relocInfo::length_limit + sizeof(relocInfo));
char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size);
@@ -253,15 +253,20 @@
locs_buffer_size / sizeof(relocInfo));
code->initialize_consts_size(Compilation::desired_max_constant_size());
// Call stubs + two deopt handlers (regular and MH) + exception handler
- code->initialize_stubs_size((call_stub_estimate * LIR_Assembler::call_stub_size) +
- LIR_Assembler::exception_handler_size +
- 2 * LIR_Assembler::deopt_handler_size);
+ int stub_size = (call_stub_estimate * LIR_Assembler::call_stub_size) +
+ LIR_Assembler::exception_handler_size +
+ (2 * LIR_Assembler::deopt_handler_size);
+ if (stub_size >= code->insts_capacity()) return false;
+ code->initialize_stubs_size(stub_size);
+ return true;
}
int Compilation::emit_code_body() {
// emit code
- setup_code_buffer(code(), allocator()->num_calls());
+ if (!setup_code_buffer(code(), allocator()->num_calls())) {
+ BAILOUT_("size requested greater than avail code buffer size", 0);
+ }
code()->initialize_oop_recorder(env()->oop_recorder());
_masm = new C1_MacroAssembler(code());
--- a/hotspot/src/share/vm/c1/c1_Compilation.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/c1/c1_Compilation.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -192,7 +192,7 @@
return desired_max_code_buffer_size() / 10;
}
- static void setup_code_buffer(CodeBuffer* cb, int call_stub_estimate);
+ static bool setup_code_buffer(CodeBuffer* cb, int call_stub_estimate);
// timers
static void print_timers();
--- a/hotspot/src/share/vm/gc_interface/collectedHeap.inline.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/gc_interface/collectedHeap.inline.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -153,6 +153,7 @@
check_for_non_bad_heap_word_value(result, size));
assert(!HAS_PENDING_EXCEPTION,
"Unexpected exception, will result in uninitialized storage");
+ THREAD->incr_allocated_bytes(size * HeapWordSize);
return result;
}
--- a/hotspot/src/share/vm/memory/threadLocalAllocBuffer.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/memory/threadLocalAllocBuffer.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -114,6 +114,11 @@
void ThreadLocalAllocBuffer::make_parsable(bool retire) {
if (end() != NULL) {
invariants();
+
+ if (retire) {
+ myThread()->incr_allocated_bytes(used_bytes());
+ }
+
CollectedHeap::fill_with_object(top(), hard_end(), retire);
if (retire || ZeroTLAB) { // "Reset" the TLAB
--- a/hotspot/src/share/vm/memory/threadLocalAllocBuffer.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/memory/threadLocalAllocBuffer.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -112,6 +112,8 @@
HeapWord* top() const { return _top; }
HeapWord* pf_top() const { return _pf_top; }
size_t desired_size() const { return _desired_size; }
+ size_t used() const { return pointer_delta(top(), start()); }
+ size_t used_bytes() const { return pointer_delta(top(), start(), 1); }
size_t free() const { return pointer_delta(end(), top()); }
// Don't discard tlab if remaining space is larger than this.
size_t refill_waste_limit() const { return _refill_waste_limit; }
--- a/hotspot/src/share/vm/opto/macro.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/opto/macro.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -1158,7 +1158,7 @@
// Note: We set the control input on "eden_end" and "old_eden_top" when using
// a TLAB to work around a bug where these values were being moved across
// a safepoint. These are not oops, so they cannot be include in the oop
- // map, but the can be changed by a GC. The proper way to fix this would
+ // map, but they can be changed by a GC. The proper way to fix this would
// be to set the raw memory state when generating a SafepointNode. However
// this will require extensive changes to the loop optimization in order to
// prevent a degradation of the optimization.
@@ -1167,24 +1167,24 @@
// allocate the Region and Phi nodes for the result
result_region = new (C, 3) RegionNode(3);
- result_phi_rawmem = new (C, 3) PhiNode( result_region, Type::MEMORY, TypeRawPtr::BOTTOM );
- result_phi_rawoop = new (C, 3) PhiNode( result_region, TypeRawPtr::BOTTOM );
- result_phi_i_o = new (C, 3) PhiNode( result_region, Type::ABIO ); // I/O is used for Prefetch
+ result_phi_rawmem = new (C, 3) PhiNode(result_region, Type::MEMORY, TypeRawPtr::BOTTOM);
+ result_phi_rawoop = new (C, 3) PhiNode(result_region, TypeRawPtr::BOTTOM);
+ result_phi_i_o = new (C, 3) PhiNode(result_region, Type::ABIO); // I/O is used for Prefetch
// We need a Region for the loop-back contended case.
enum { fall_in_path = 1, contended_loopback_path = 2 };
Node *contended_region;
Node *contended_phi_rawmem;
- if( UseTLAB ) {
+ if (UseTLAB) {
contended_region = toobig_false;
contended_phi_rawmem = mem;
} else {
contended_region = new (C, 3) RegionNode(3);
- contended_phi_rawmem = new (C, 3) PhiNode( contended_region, Type::MEMORY, TypeRawPtr::BOTTOM);
+ contended_phi_rawmem = new (C, 3) PhiNode(contended_region, Type::MEMORY, TypeRawPtr::BOTTOM);
// Now handle the passing-too-big test. We fall into the contended
// loop-back merge point.
- contended_region ->init_req( fall_in_path, toobig_false );
- contended_phi_rawmem->init_req( fall_in_path, mem );
+ contended_region ->init_req(fall_in_path, toobig_false);
+ contended_phi_rawmem->init_req(fall_in_path, mem);
transform_later(contended_region);
transform_later(contended_phi_rawmem);
}
@@ -1192,78 +1192,101 @@
// Load(-locked) the heap top.
// See note above concerning the control input when using a TLAB
Node *old_eden_top = UseTLAB
- ? new (C, 3) LoadPNode ( ctrl, contended_phi_rawmem, eden_top_adr, TypeRawPtr::BOTTOM, TypeRawPtr::BOTTOM )
- : new (C, 3) LoadPLockedNode( contended_region, contended_phi_rawmem, eden_top_adr );
+ ? new (C, 3) LoadPNode (ctrl, contended_phi_rawmem, eden_top_adr, TypeRawPtr::BOTTOM, TypeRawPtr::BOTTOM)
+ : new (C, 3) LoadPLockedNode(contended_region, contended_phi_rawmem, eden_top_adr);
transform_later(old_eden_top);
// Add to heap top to get a new heap top
- Node *new_eden_top = new (C, 4) AddPNode( top(), old_eden_top, size_in_bytes );
+ Node *new_eden_top = new (C, 4) AddPNode(top(), old_eden_top, size_in_bytes);
transform_later(new_eden_top);
// Check for needing a GC; compare against heap end
- Node *needgc_cmp = new (C, 3) CmpPNode( new_eden_top, eden_end );
+ Node *needgc_cmp = new (C, 3) CmpPNode(new_eden_top, eden_end);
transform_later(needgc_cmp);
- Node *needgc_bol = new (C, 2) BoolNode( needgc_cmp, BoolTest::ge );
+ Node *needgc_bol = new (C, 2) BoolNode(needgc_cmp, BoolTest::ge);
transform_later(needgc_bol);
- IfNode *needgc_iff = new (C, 2) IfNode(contended_region, needgc_bol, PROB_UNLIKELY_MAG(4), COUNT_UNKNOWN );
+ IfNode *needgc_iff = new (C, 2) IfNode(contended_region, needgc_bol, PROB_UNLIKELY_MAG(4), COUNT_UNKNOWN);
transform_later(needgc_iff);
// Plug the failing-heap-space-need-gc test into the slow-path region
- Node *needgc_true = new (C, 1) IfTrueNode( needgc_iff );
+ Node *needgc_true = new (C, 1) IfTrueNode(needgc_iff);
transform_later(needgc_true);
- if( initial_slow_test ) {
- slow_region ->init_req( need_gc_path, needgc_true );
+ if (initial_slow_test) {
+ slow_region->init_req(need_gc_path, needgc_true);
// This completes all paths into the slow merge point
transform_later(slow_region);
} else { // No initial slow path needed!
// Just fall from the need-GC path straight into the VM call.
- slow_region = needgc_true;
+ slow_region = needgc_true;
}
// No need for a GC. Setup for the Store-Conditional
- Node *needgc_false = new (C, 1) IfFalseNode( needgc_iff );
+ Node *needgc_false = new (C, 1) IfFalseNode(needgc_iff);
transform_later(needgc_false);
// Grab regular I/O before optional prefetch may change it.
// Slow-path does no I/O so just set it to the original I/O.
- result_phi_i_o->init_req( slow_result_path, i_o );
+ result_phi_i_o->init_req(slow_result_path, i_o);
i_o = prefetch_allocation(i_o, needgc_false, contended_phi_rawmem,
old_eden_top, new_eden_top, length);
+ // Name successful fast-path variables
+ Node* fast_oop = old_eden_top;
+ Node* fast_oop_ctrl;
+ Node* fast_oop_rawmem;
+
// Store (-conditional) the modified eden top back down.
// StorePConditional produces flags for a test PLUS a modified raw
// memory state.
- Node *store_eden_top;
- Node *fast_oop_ctrl;
- if( UseTLAB ) {
- store_eden_top = new (C, 4) StorePNode( needgc_false, contended_phi_rawmem, eden_top_adr, TypeRawPtr::BOTTOM, new_eden_top );
+ if (UseTLAB) {
+ Node* store_eden_top =
+ new (C, 4) StorePNode(needgc_false, contended_phi_rawmem, eden_top_adr,
+ TypeRawPtr::BOTTOM, new_eden_top);
transform_later(store_eden_top);
fast_oop_ctrl = needgc_false; // No contention, so this is the fast path
+ fast_oop_rawmem = store_eden_top;
} else {
- store_eden_top = new (C, 5) StorePConditionalNode( needgc_false, contended_phi_rawmem, eden_top_adr, new_eden_top, old_eden_top );
+ Node* store_eden_top =
+ new (C, 5) StorePConditionalNode(needgc_false, contended_phi_rawmem, eden_top_adr,
+ new_eden_top, fast_oop/*old_eden_top*/);
transform_later(store_eden_top);
- Node *contention_check = new (C, 2) BoolNode( store_eden_top, BoolTest::ne );
+ Node *contention_check = new (C, 2) BoolNode(store_eden_top, BoolTest::ne);
transform_later(contention_check);
store_eden_top = new (C, 1) SCMemProjNode(store_eden_top);
transform_later(store_eden_top);
// If not using TLABs, check to see if there was contention.
- IfNode *contention_iff = new (C, 2) IfNode ( needgc_false, contention_check, PROB_MIN, COUNT_UNKNOWN );
+ IfNode *contention_iff = new (C, 2) IfNode (needgc_false, contention_check, PROB_MIN, COUNT_UNKNOWN);
transform_later(contention_iff);
- Node *contention_true = new (C, 1) IfTrueNode( contention_iff );
+ Node *contention_true = new (C, 1) IfTrueNode(contention_iff);
transform_later(contention_true);
// If contention, loopback and try again.
- contended_region->init_req( contended_loopback_path, contention_true );
- contended_phi_rawmem->init_req( contended_loopback_path, store_eden_top );
+ contended_region->init_req(contended_loopback_path, contention_true);
+ contended_phi_rawmem->init_req(contended_loopback_path, store_eden_top);
// Fast-path succeeded with no contention!
- Node *contention_false = new (C, 1) IfFalseNode( contention_iff );
+ Node *contention_false = new (C, 1) IfFalseNode(contention_iff);
transform_later(contention_false);
fast_oop_ctrl = contention_false;
+
+ // Bump total allocated bytes for this thread
+ Node* thread = new (C, 1) ThreadLocalNode();
+ transform_later(thread);
+ Node* alloc_bytes_adr = basic_plus_adr(top()/*not oop*/, thread,
+ in_bytes(JavaThread::allocated_bytes_offset()));
+ Node* alloc_bytes = make_load(fast_oop_ctrl, store_eden_top, alloc_bytes_adr,
+ 0, TypeLong::LONG, T_LONG);
+#ifdef _LP64
+ Node* alloc_size = size_in_bytes;
+#else
+ Node* alloc_size = new (C, 2) ConvI2LNode(size_in_bytes);
+ transform_later(alloc_size);
+#endif
+ Node* new_alloc_bytes = new (C, 3) AddLNode(alloc_bytes, alloc_size);
+ transform_later(new_alloc_bytes);
+ fast_oop_rawmem = make_store(fast_oop_ctrl, store_eden_top, alloc_bytes_adr,
+ 0, new_alloc_bytes, T_LONG);
}
- // Rename successful fast-path variables to make meaning more obvious
- Node* fast_oop = old_eden_top;
- Node* fast_oop_rawmem = store_eden_top;
fast_oop_rawmem = initialize_object(alloc,
fast_oop_ctrl, fast_oop_rawmem, fast_oop,
klass_node, length, size_in_bytes);
@@ -1282,11 +1305,11 @@
call->init_req(TypeFunc::Parms+0, thread);
call->init_req(TypeFunc::Parms+1, fast_oop);
- call->init_req( TypeFunc::Control, fast_oop_ctrl );
- call->init_req( TypeFunc::I_O , top() ) ; // does no i/o
- call->init_req( TypeFunc::Memory , fast_oop_rawmem );
- call->init_req( TypeFunc::ReturnAdr, alloc->in(TypeFunc::ReturnAdr) );
- call->init_req( TypeFunc::FramePtr, alloc->in(TypeFunc::FramePtr) );
+ call->init_req(TypeFunc::Control, fast_oop_ctrl);
+ call->init_req(TypeFunc::I_O , top()); // does no i/o
+ call->init_req(TypeFunc::Memory , fast_oop_rawmem);
+ call->init_req(TypeFunc::ReturnAdr, alloc->in(TypeFunc::ReturnAdr));
+ call->init_req(TypeFunc::FramePtr, alloc->in(TypeFunc::FramePtr));
transform_later(call);
fast_oop_ctrl = new (C, 1) ProjNode(call,TypeFunc::Control);
transform_later(fast_oop_ctrl);
@@ -1295,10 +1318,10 @@
}
// Plug in the successful fast-path into the result merge point
- result_region ->init_req( fast_result_path, fast_oop_ctrl );
- result_phi_rawoop->init_req( fast_result_path, fast_oop );
- result_phi_i_o ->init_req( fast_result_path, i_o );
- result_phi_rawmem->init_req( fast_result_path, fast_oop_rawmem );
+ result_region ->init_req(fast_result_path, fast_oop_ctrl);
+ result_phi_rawoop->init_req(fast_result_path, fast_oop);
+ result_phi_i_o ->init_req(fast_result_path, i_o);
+ result_phi_rawmem->init_req(fast_result_path, fast_oop_rawmem);
} else {
slow_region = ctrl;
}
--- a/hotspot/src/share/vm/prims/jvmti.xml Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/prims/jvmti.xml Fri Jan 07 15:54:32 2011 -0800
@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="jvmti.xsl"?>
<!--
- Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
This code is free software; you can redistribute it and/or modify it
@@ -10697,7 +10697,7 @@
<internallink id="mUTF">modified UTF-8</internallink> string.
</description>
</param>
- <param id="value">
+ <param id="value_ptr">
<inbuf>
<char/>
<nullok>
--- a/hotspot/src/share/vm/prims/jvmtiEnv.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/prims/jvmtiEnv.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -1802,7 +1802,7 @@
// depth - pre-checked as non-negative
// value - pre-checked for NULL
jvmtiError
-JvmtiEnv::GetLocalInstance(JavaThread* java_thread, jint depth, jobject* value){
+JvmtiEnv::GetLocalInstance(JavaThread* java_thread, jint depth, jobject* value_ptr){
JavaThread* current_thread = JavaThread::current();
// rm object is created to clean up the javaVFrame created in
// doit_prologue(), but after doit() is finished with it.
@@ -1814,7 +1814,7 @@
if (err != JVMTI_ERROR_NONE) {
return err;
} else {
- *value = op.value().l;
+ *value_ptr = op.value().l;
return JVMTI_ERROR_NONE;
}
} /* end GetLocalInstance */
@@ -3440,12 +3440,12 @@
// property - pre-checked for NULL
// value - NULL is a valid value, must be checked
jvmtiError
-JvmtiEnv::SetSystemProperty(const char* property, const char* value) {
+JvmtiEnv::SetSystemProperty(const char* property, const char* value_ptr) {
jvmtiError err =JVMTI_ERROR_NOT_AVAILABLE;
for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) {
if (strcmp(property, p->key()) == 0) {
- if (p->set_value((char *)value)) {
+ if (p->set_value((char *)value_ptr)) {
err = JVMTI_ERROR_NONE;
}
}
--- a/hotspot/src/share/vm/runtime/arguments.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/runtime/arguments.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -2297,14 +2297,15 @@
} else if (match_option(option, "-Xoss", &tail)) {
// HotSpot does not have separate native and Java stacks, ignore silently for compatibility
// -Xmaxjitcodesize
- } else if (match_option(option, "-Xmaxjitcodesize", &tail)) {
+ } else if (match_option(option, "-Xmaxjitcodesize", &tail) ||
+ match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) {
julong long_ReservedCodeCacheSize = 0;
ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize,
(size_t)InitialCodeCacheSize);
if (errcode != arg_in_range) {
jio_fprintf(defaultStream::error_stream(),
- "Invalid maximum code cache size: %s\n",
- option->optionString);
+ "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n",
+ option->optionString, InitialCodeCacheSize/K);
describe_range_error(errcode);
return JNI_EINVAL;
}
--- a/hotspot/src/share/vm/runtime/java.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/runtime/java.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -515,8 +515,8 @@
}
void vm_exit(int code) {
- Thread* thread = ThreadLocalStorage::thread_index() == -1 ? NULL
- : ThreadLocalStorage::get_thread_slow();
+ Thread* thread = ThreadLocalStorage::is_initialized() ?
+ ThreadLocalStorage::get_thread_slow() : NULL;
if (thread == NULL) {
// we have serious problems -- just exit
vm_direct_exit(code);
@@ -553,8 +553,9 @@
// Calling 'exit_globals()' will disable thread-local-storage and cause all
// kinds of assertions to trigger in debug mode.
if (is_init_completed()) {
- Thread* thread = Thread::current();
- if (thread->is_Java_thread()) {
+ Thread* thread = ThreadLocalStorage::is_initialized() ?
+ ThreadLocalStorage::get_thread_slow() : NULL;
+ if (thread != NULL && thread->is_Java_thread()) {
// We are leaving the VM, set state to native (in case any OS exit
// handlers call back to the VM)
JavaThread* jt = (JavaThread*)thread;
--- a/hotspot/src/share/vm/runtime/thread.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/runtime/thread.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -177,20 +177,19 @@
Thread::Thread() {
- // stack
- _stack_base = NULL;
- _stack_size = 0;
- _self_raw_id = 0;
- _lgrp_id = -1;
- _osthread = NULL;
+ // stack and get_thread
+ set_stack_base(NULL);
+ set_stack_size(0);
+ set_self_raw_id(0);
+ set_lgrp_id(-1);
// allocated data structures
+ set_osthread(NULL);
set_resource_area(new ResourceArea());
set_handle_area(new HandleArea(NULL));
set_active_handles(NULL);
set_free_handle_block(NULL);
set_last_handle_mark(NULL);
- set_osthread(NULL);
// This initial value ==> never claimed.
_oops_do_parity = 0;
@@ -205,6 +204,7 @@
NOT_PRODUCT(_skip_gcalot = false;)
CHECK_UNHANDLED_OOPS_ONLY(_gc_locked_out_count = 0;)
_jvmti_env_iteration_count = 0;
+ set_allocated_bytes(0);
_vm_operation_started_count = 0;
_vm_operation_completed_count = 0;
_current_pending_monitor = NULL;
@@ -3231,7 +3231,7 @@
warning("java.lang.ArithmeticException has not been initialized");
warning("java.lang.StackOverflowError has not been initialized");
}
- }
+ }
// See : bugid 4211085.
// Background : the static initializer of java.lang.Compiler tries to read
--- a/hotspot/src/share/vm/runtime/thread.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/runtime/thread.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -60,7 +60,7 @@
class JvmtiGetLoadedClassesClosure;
class ThreadStatistics;
class ConcurrentLocksDump;
-class ParkEvent ;
+class ParkEvent;
class Parker;
class ciEnv;
@@ -170,7 +170,7 @@
//
// suspend/resume lock: used for self-suspend
- Monitor* _SR_lock;
+ Monitor* _SR_lock;
protected:
enum SuspendFlags {
@@ -194,7 +194,7 @@
public:
void enter_signal_handler() { _num_nested_signal++; }
void leave_signal_handler() { _num_nested_signal--; }
- bool is_inside_signal_handler() const { return _num_nested_signal > 0; }
+ bool is_inside_signal_handler() const { return _num_nested_signal > 0; }
private:
// Debug tracing
@@ -215,7 +215,7 @@
public:
void set_last_handle_mark(HandleMark* mark) { _last_handle_mark = mark; }
- HandleMark* last_handle_mark() const { return _last_handle_mark; }
+ HandleMark* last_handle_mark() const { return _last_handle_mark; }
private:
// debug support for checking if code does allow safepoints or not
@@ -227,11 +227,11 @@
//
// The two classes No_Safepoint_Verifier and No_Allocation_Verifier are used to set these counters.
//
- NOT_PRODUCT(int _allow_safepoint_count;) // If 0, thread allow a safepoint to happen
- debug_only (int _allow_allocation_count;) // If 0, the thread is allowed to allocate oops.
+ NOT_PRODUCT(int _allow_safepoint_count;) // If 0, thread allow a safepoint to happen
+ debug_only (int _allow_allocation_count;) // If 0, the thread is allowed to allocate oops.
// Used by SkipGCALot class.
- NOT_PRODUCT(bool _skip_gcalot;) // Should we elide gc-a-lot?
+ NOT_PRODUCT(bool _skip_gcalot;) // Should we elide gc-a-lot?
// Record when GC is locked out via the GC_locker mechanism
CHECK_UNHANDLED_OOPS_ONLY(int _gc_locked_out_count;)
@@ -242,24 +242,26 @@
friend class ThreadLocalStorage;
friend class GC_locker;
- ThreadLocalAllocBuffer _tlab; // Thread-local eden
+ ThreadLocalAllocBuffer _tlab; // Thread-local eden
+ jlong _allocated_bytes; // Cumulative number of bytes allocated on
+ // the Java heap
- int _vm_operation_started_count; // VM_Operation support
- int _vm_operation_completed_count; // VM_Operation support
+ int _vm_operation_started_count; // VM_Operation support
+ int _vm_operation_completed_count; // VM_Operation support
- ObjectMonitor* _current_pending_monitor; // ObjectMonitor this thread
- // is waiting to lock
- bool _current_pending_monitor_is_from_java; // locking is from Java code
+ ObjectMonitor* _current_pending_monitor; // ObjectMonitor this thread
+ // is waiting to lock
+ bool _current_pending_monitor_is_from_java; // locking is from Java code
// ObjectMonitor on which this thread called Object.wait()
ObjectMonitor* _current_waiting_monitor;
// Private thread-local objectmonitor list - a simple cache organized as a SLL.
public:
- ObjectMonitor * omFreeList ;
- int omFreeCount ; // length of omFreeList
- int omFreeProvision ; // reload chunk size
- ObjectMonitor * omInUseList; // SLL to track monitors in circulation
+ ObjectMonitor* omFreeList;
+ int omFreeCount; // length of omFreeList
+ int omFreeProvision; // reload chunk size
+ ObjectMonitor* omInUseList; // SLL to track monitors in circulation
int omInUseCount; // length of omInUseList
public:
@@ -280,7 +282,6 @@
// Testers
virtual bool is_VM_thread() const { return false; }
virtual bool is_Java_thread() const { return false; }
- // Remove this ifdef when C1 is ported to the compiler interface.
virtual bool is_Compiler_thread() const { return false; }
virtual bool is_hidden_from_external_view() const { return false; }
virtual bool is_jvmti_agent_thread() const { return false; }
@@ -344,15 +345,15 @@
// Support for Unhandled Oop detection
#ifdef CHECK_UNHANDLED_OOPS
private:
- UnhandledOops *_unhandled_oops;
+ UnhandledOops* _unhandled_oops;
public:
- UnhandledOops* unhandled_oops() { return _unhandled_oops; }
+ UnhandledOops* unhandled_oops() { return _unhandled_oops; }
// Mark oop safe for gc. It may be stack allocated but won't move.
- void allow_unhandled_oop(oop *op) {
+ void allow_unhandled_oop(oop *op) {
if (CheckUnhandledOops) unhandled_oops()->allow_unhandled_oop(op);
}
// Clear oops at safepoint so crashes point to unhandled oop violator
- void clear_unhandled_oops() {
+ void clear_unhandled_oops() {
if (CheckUnhandledOops) unhandled_oops()->clear_unhandled_oops();
}
bool is_gc_locked_out() { return _gc_locked_out_count > 0; }
@@ -392,6 +393,22 @@
}
}
+ jlong allocated_bytes() { return _allocated_bytes; }
+ void set_allocated_bytes(jlong value) { _allocated_bytes = value; }
+ void incr_allocated_bytes(jlong size) { _allocated_bytes += size; }
+ jlong cooked_allocated_bytes() {
+ jlong allocated_bytes = OrderAccess::load_acquire(&_allocated_bytes);
+ if (UseTLAB) {
+ size_t used_bytes = tlab().used_bytes();
+ if ((ssize_t)used_bytes > 0) {
+ // More-or-less valid tlab. The load_acquire above should ensure
+ // that the result of the add is <= the instantaneous value
+ return allocated_bytes + used_bytes;
+ }
+ }
+ return allocated_bytes;
+ }
+
// VM operation support
int vm_operation_ticket() { return ++_vm_operation_started_count; }
int vm_operation_completed_count() { return _vm_operation_completed_count; }
@@ -489,8 +506,11 @@
return (_stack_base >= adr && adr >= (_stack_base - _stack_size));
}
- int lgrp_id() const { return _lgrp_id; }
- void set_lgrp_id(int value) { _lgrp_id = value; }
+ uintptr_t self_raw_id() { return _self_raw_id; }
+ void set_self_raw_id(uintptr_t value) { _self_raw_id = value; }
+
+ int lgrp_id() const { return _lgrp_id; }
+ void set_lgrp_id(int value) { _lgrp_id = value; }
// Printing
void print_on(outputStream* st) const;
@@ -502,7 +522,7 @@
#ifdef ASSERT
private:
// Deadlock detection support for Mutex locks. List of locks own by thread.
- Monitor *_owned_locks;
+ Monitor* _owned_locks;
// Mutex::set_owner_implementation is the only place where _owned_locks is modified,
// thus the friendship
friend class Mutex;
@@ -511,7 +531,7 @@
public:
void print_owned_locks_on(outputStream* st) const;
void print_owned_locks() const { print_owned_locks_on(tty); }
- Monitor * owned_locks() const { return _owned_locks; }
+ Monitor* owned_locks() const { return _owned_locks; }
bool owns_locks() const { return owned_locks() != NULL; }
bool owns_locks_but_compiled_lock() const;
@@ -538,7 +558,7 @@
static ByteSize stack_size_offset() { return byte_offset_of(Thread, _stack_size ); }
#define TLAB_FIELD_OFFSET(name) \
- static ByteSize tlab_##name##_offset() { return byte_offset_of(Thread, _tlab) + ThreadLocalAllocBuffer::name##_offset(); }
+ static ByteSize tlab_##name##_offset() { return byte_offset_of(Thread, _tlab) + ThreadLocalAllocBuffer::name##_offset(); }
TLAB_FIELD_OFFSET(start)
TLAB_FIELD_OFFSET(end)
@@ -552,6 +572,8 @@
#undef TLAB_FIELD_OFFSET
+ static ByteSize allocated_bytes_offset() { return byte_offset_of(Thread, _allocated_bytes ); }
+
public:
volatile intptr_t _Stalled ;
volatile int _TypeTag ;
--- a/hotspot/src/share/vm/services/jmm.h Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/services/jmm.h Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -60,7 +60,8 @@
unsigned int isBootClassPathSupported : 1;
unsigned int isObjectMonitorUsageSupported : 1;
unsigned int isSynchronizerUsageSupported : 1;
- unsigned int : 24;
+ unsigned int isThreadAllocatedMemorySupported : 1;
+ unsigned int : 23;
} jmmOptionalSupport;
typedef enum {
@@ -105,7 +106,8 @@
JMM_VERBOSE_GC = 21,
JMM_VERBOSE_CLASS = 22,
JMM_THREAD_CONTENTION_MONITORING = 23,
- JMM_THREAD_CPU_TIME = 24
+ JMM_THREAD_CPU_TIME = 24,
+ JMM_THREAD_ALLOCATED_MEMORY = 25
} jmmBoolAttribute;
@@ -213,7 +215,10 @@
jobject (JNICALL *GetMemoryPoolUsage) (JNIEnv* env, jobject pool);
jobject (JNICALL *GetPeakMemoryPoolUsage) (JNIEnv* env, jobject pool);
- void* reserved4;
+ void (JNICALL *GetThreadAllocatedMemory)
+ (JNIEnv *env,
+ jlongArray ids,
+ jlongArray sizeArray);
jobject (JNICALL *GetMemoryUsage) (JNIEnv* env, jboolean heap);
@@ -228,6 +233,8 @@
jlong* result);
jobjectArray (JNICALL *FindCircularBlockedThreads) (JNIEnv *env);
+
+ // Not used in JDK 6 or JDK 7
jlong (JNICALL *GetThreadCpuTime) (JNIEnv *env, jlong thread_id);
jobjectArray (JNICALL *GetVMGlobalNames) (JNIEnv *env);
@@ -262,14 +269,22 @@
void (JNICALL *GetLastGCStat) (JNIEnv *env,
jobject mgr,
jmmGCStat *gc_stat);
- jlong (JNICALL *GetThreadCpuTimeWithKind) (JNIEnv *env,
- jlong thread_id,
- jboolean user_sys_cpu_time);
- void* reserved5;
+
+ jlong (JNICALL *GetThreadCpuTimeWithKind)
+ (JNIEnv *env,
+ jlong thread_id,
+ jboolean user_sys_cpu_time);
+ void (JNICALL *GetThreadCpuTimesWithKind)
+ (JNIEnv *env,
+ jlongArray ids,
+ jlongArray timeArray,
+ jboolean user_sys_cpu_time);
+
jint (JNICALL *DumpHeap0) (JNIEnv *env,
jstring outputfile,
jboolean live);
- jobjectArray (JNICALL *FindDeadlocks) (JNIEnv *env, jboolean object_monitors_only);
+ jobjectArray (JNICALL *FindDeadlocks) (JNIEnv *env,
+ jboolean object_monitors_only);
void (JNICALL *SetVMGlobal) (JNIEnv *env,
jstring flag_name,
jvalue new_value);
--- a/hotspot/src/share/vm/services/management.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/services/management.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -101,12 +101,14 @@
_optional_support.isCurrentThreadCpuTimeSupported = 0;
_optional_support.isOtherThreadCpuTimeSupported = 0;
}
+
_optional_support.isBootClassPathSupported = 1;
_optional_support.isObjectMonitorUsageSupported = 1;
#ifndef SERVICES_KERNEL
// This depends on the heap inspector
_optional_support.isSynchronizerUsageSupported = 1;
#endif // SERVICES_KERNEL
+ _optional_support.isThreadAllocatedMemorySupported = 1;
}
void Management::initialize(TRAPS) {
@@ -386,11 +388,6 @@
static void validate_thread_id_array(typeArrayHandle ids_ah, TRAPS) {
int num_threads = ids_ah->length();
- // should be non-empty array
- if (num_threads == 0) {
- THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
- "Empty array of thread IDs");
- }
// Validate input thread IDs
int i = 0;
@@ -402,11 +399,9 @@
"Invalid thread ID entry");
}
}
-
}
static void validate_thread_info_array(objArrayHandle infoArray_h, TRAPS) {
-
// check if the element of infoArray is of type ThreadInfo class
klassOop threadinfo_klass = Management::java_lang_management_ThreadInfo_klass(CHECK);
klassOop element_klass = objArrayKlass::cast(infoArray_h->klass())->element_klass();
@@ -414,7 +409,6 @@
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
"infoArray element type is not ThreadInfo class");
}
-
}
@@ -770,6 +764,45 @@
return prev;
JVM_END
+// Gets an array containing the amount of memory allocated on the Java
+// heap for a set of threads (in bytes). Each element of the array is
+// the amount of memory allocated for the thread ID specified in the
+// corresponding entry in the given array of thread IDs; or -1 if the
+// thread does not exist or has terminated.
+JVM_ENTRY(void, jmm_GetThreadAllocatedMemory(JNIEnv *env, jlongArray ids,
+ jlongArray sizeArray))
+ // Check if threads is null
+ if (ids == NULL || sizeArray == NULL) {
+ THROW(vmSymbols::java_lang_NullPointerException());
+ }
+
+ ResourceMark rm(THREAD);
+ typeArrayOop ta = typeArrayOop(JNIHandles::resolve_non_null(ids));
+ typeArrayHandle ids_ah(THREAD, ta);
+
+ typeArrayOop sa = typeArrayOop(JNIHandles::resolve_non_null(sizeArray));
+ typeArrayHandle sizeArray_h(THREAD, sa);
+
+ // validate the thread id array
+ validate_thread_id_array(ids_ah, CHECK);
+
+ // sizeArray must be of the same length as the given array of thread IDs
+ int num_threads = ids_ah->length();
+ if (num_threads != sizeArray_h->length()) {
+ THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
+ "The length of the given long array does not match the length of "
+ "the given array of thread IDs");
+ }
+
+ MutexLockerEx ml(Threads_lock);
+ for (int i = 0; i < num_threads; i++) {
+ JavaThread* java_thread = find_java_thread_from_id(ids_ah->long_at(i));
+ if (java_thread != NULL) {
+ sizeArray_h->long_at_put(i, java_thread->cooked_allocated_bytes());
+ }
+ }
+JVM_END
+
// Returns a java/lang/management/MemoryUsage object representing
// the memory usage for the heap or non-heap memory.
JVM_ENTRY(jobject, jmm_GetMemoryUsage(JNIEnv* env, jboolean heap))
@@ -834,6 +867,8 @@
return ThreadService::is_thread_monitoring_contention();
case JMM_THREAD_CPU_TIME:
return ThreadService::is_thread_cpu_time_enabled();
+ case JMM_THREAD_ALLOCATED_MEMORY:
+ return ThreadService::is_thread_allocated_memory_enabled();
default:
assert(0, "Unrecognized attribute");
return false;
@@ -851,6 +886,8 @@
return ThreadService::set_thread_monitoring_contention(flag != 0);
case JMM_THREAD_CPU_TIME:
return ThreadService::set_thread_cpu_time_enabled(flag != 0);
+ case JMM_THREAD_ALLOCATED_MEMORY:
+ return ThreadService::set_thread_allocated_memory_enabled(flag != 0);
default:
assert(0, "Unrecognized attribute");
return false;
@@ -1096,6 +1133,7 @@
// maxDepth == 0 requests no stack trace.
// infoArray - array of ThreadInfo objects
//
+// QQQ - Why does this method return a value instead of void?
JVM_ENTRY(jint, jmm_GetThreadInfo(JNIEnv *env, jlongArray ids, jint maxDepth, jobjectArray infoArray))
// Check if threads is null
if (ids == NULL || infoArray == NULL) {
@@ -1159,7 +1197,6 @@
}
} else {
// obtain thread dump with the specific list of threads with stack trace
-
do_thread_dump(&dump_result,
ids_ah,
num_threads,
@@ -1252,8 +1289,6 @@
continue;
}
-
-
ThreadStackTrace* stacktrace = ts->get_stack_trace();
assert(stacktrace != NULL, "Must have a stack trace dumped");
@@ -1500,6 +1535,49 @@
return -1;
JVM_END
+// Gets an array containing the CPU times consumed by a set of threads
+// (in nanoseconds). Each element of the array is the CPU time for the
+// thread ID specified in the corresponding entry in the given array
+// of thread IDs; or -1 if the thread does not exist or has terminated.
+// If user_sys_cpu_time = true, the sum of user level and system CPU time
+// for the given thread is returned; otherwise, only user level CPU time
+// is returned.
+JVM_ENTRY(void, jmm_GetThreadCpuTimesWithKind(JNIEnv *env, jlongArray ids,
+ jlongArray timeArray,
+ jboolean user_sys_cpu_time))
+ // Check if threads is null
+ if (ids == NULL || timeArray == NULL) {
+ THROW(vmSymbols::java_lang_NullPointerException());
+ }
+
+ ResourceMark rm(THREAD);
+ typeArrayOop ta = typeArrayOop(JNIHandles::resolve_non_null(ids));
+ typeArrayHandle ids_ah(THREAD, ta);
+
+ typeArrayOop tia = typeArrayOop(JNIHandles::resolve_non_null(timeArray));
+ typeArrayHandle timeArray_h(THREAD, tia);
+
+ // validate the thread id array
+ validate_thread_id_array(ids_ah, CHECK);
+
+ // timeArray must be of the same length as the given array of thread IDs
+ int num_threads = ids_ah->length();
+ if (num_threads != timeArray_h->length()) {
+ THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
+ "The length of the given long array does not match the length of "
+ "the given array of thread IDs");
+ }
+
+ MutexLockerEx ml(Threads_lock);
+ for (int i = 0; i < num_threads; i++) {
+ JavaThread* java_thread = find_java_thread_from_id(ids_ah->long_at(i));
+ if (java_thread != NULL) {
+ timeArray_h->long_at_put(i, os::thread_cpu_time((Thread*)java_thread,
+ user_sys_cpu_time != 0));
+ }
+ }
+JVM_END
+
// Returns a String array of all VM global flag names
JVM_ENTRY(jobjectArray, jmm_GetVMGlobalNames(JNIEnv *env))
// last flag entry is always NULL, so subtract 1
@@ -2020,7 +2098,7 @@
jmm_GetMemoryManagers,
jmm_GetMemoryPoolUsage,
jmm_GetPeakMemoryPoolUsage,
- NULL,
+ jmm_GetThreadAllocatedMemory,
jmm_GetMemoryUsage,
jmm_GetLongAttribute,
jmm_GetBoolAttribute,
@@ -2038,7 +2116,7 @@
jmm_GetGCExtAttributeInfo,
jmm_GetLastGCStat,
jmm_GetThreadCpuTimeWithKind,
- NULL,
+ jmm_GetThreadCpuTimesWithKind,
jmm_DumpHeap0,
jmm_FindDeadlockedThreads,
jmm_SetVMGlobal,
--- a/hotspot/src/share/vm/services/threadService.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/services/threadService.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -46,6 +46,7 @@
// Default is disabled.
bool ThreadService::_thread_monitoring_contention_enabled = false;
bool ThreadService::_thread_cpu_time_enabled = false;
+bool ThreadService::_thread_allocated_memory_enabled = false;
PerfCounter* ThreadService::_total_threads_count = NULL;
PerfVariable* ThreadService::_live_threads_count = NULL;
@@ -84,6 +85,8 @@
if (os::is_thread_cpu_time_supported()) {
_thread_cpu_time_enabled = true;
}
+
+ _thread_allocated_memory_enabled = true; // Always on, so enable it
}
void ThreadService::reset_peak_thread_count() {
@@ -181,6 +184,15 @@
return prev;
}
+bool ThreadService::set_thread_allocated_memory_enabled(bool flag) {
+ MutexLocker m(Management_lock);
+
+ bool prev = _thread_allocated_memory_enabled;
+ _thread_allocated_memory_enabled = flag;
+
+ return prev;
+}
+
// GC support
void ThreadService::oops_do(OopClosure* f) {
for (ThreadDumpResult* dump = _threaddump_list; dump != NULL; dump = dump->next()) {
--- a/hotspot/src/share/vm/services/threadService.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/services/threadService.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -65,6 +65,7 @@
static bool _thread_monitoring_contention_enabled;
static bool _thread_cpu_time_enabled;
+ static bool _thread_allocated_memory_enabled;
// Need to keep the list of thread dump result that
// keep references to methodOop since thread dump can be
@@ -83,6 +84,9 @@
static bool set_thread_cpu_time_enabled(bool flag);
static bool is_thread_cpu_time_enabled() { return _thread_cpu_time_enabled; }
+ static bool set_thread_allocated_memory_enabled(bool flag);
+ static bool is_thread_allocated_memory_enabled() { return _thread_cpu_time_enabled; }
+
static jlong get_total_thread_count() { return _total_threads_count->get_value(); }
static jlong get_peak_thread_count() { return _peak_threads_count->get_value(); }
static jlong get_live_thread_count() { return _live_threads_count->get_value() - _exiting_threads_count; }
--- a/hotspot/src/share/vm/utilities/debug.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/utilities/debug.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -226,7 +226,7 @@
void report_vm_out_of_memory(const char* file, int line, size_t size,
const char* message) {
- if (Debugging || error_is_suppressed(file, line)) return;
+ if (Debugging) return;
// We try to gather additional information for the first out of memory
// error only; gathering additional data might cause an allocation and a
--- a/hotspot/src/share/vm/utilities/vmError.cpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/utilities/vmError.cpp Fri Jan 07 15:54:32 2011 -0800
@@ -67,7 +67,7 @@
// threads are blocked forever inside report_and_die().
// Constructor for crashes
-VMError::VMError(Thread* thread, int sig, address pc, void* siginfo, void* context) {
+VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) {
_thread = thread;
_id = sig;
_pc = pc;
@@ -322,29 +322,51 @@
STEP(10, "(printing fatal error message)")
- st->print_cr("#");
- st->print_cr("# A fatal error has been detected by the Java Runtime Environment:");
+ st->print_cr("#");
+ if (should_report_bug(_id)) {
+ st->print_cr("# A fatal error has been detected by the Java Runtime Environment:");
+ } else {
+ st->print_cr("# There is insufficient memory for the Java "
+ "Runtime Environment to continue.");
+ }
STEP(15, "(printing type of error)")
switch(_id) {
case oom_error:
- st->print_cr("#");
- st->print("# java.lang.OutOfMemoryError: ");
if (_size) {
- st->print("requested ");
- sprintf(buf,SIZE_FORMAT,_size);
+ st->print("# Native memory allocation (malloc) failed to allocate ");
+ jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size);
st->print(buf);
st->print(" bytes");
if (_message != NULL) {
st->print(" for ");
st->print(_message);
}
- st->print_cr(". Out of swap space?");
+ st->cr();
} else {
if (_message != NULL)
+ st->print("# ");
st->print_cr(_message);
}
+ // In error file give some solutions
+ if (_verbose) {
+ st->print_cr("# Possible reasons:");
+ st->print_cr("# The system is out of physical RAM or swap space");
+ st->print_cr("# In 32 bit mode, the process size limit was hit");
+ st->print_cr("# Possible solutions:");
+ st->print_cr("# Reduce memory load on the system");
+ st->print_cr("# Increase physical memory or swap space");
+ st->print_cr("# Check if swap backing store is full");
+ st->print_cr("# Use 64 bit Java on a 64 bit OS");
+ st->print_cr("# Decrease Java heap size (-Xmx/-Xms)");
+ st->print_cr("# Decrease number of Java threads");
+ st->print_cr("# Decrease Java thread stack sizes (-Xss)");
+ st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize=");
+ st->print_cr("# This output file may be truncated or incomplete.");
+ } else {
+ return; // that's enough for the screen
+ }
break;
case internal_error:
default:
@@ -361,7 +383,11 @@
st->print(" (0x%x)", _id); // signal number
st->print(" at pc=" PTR_FORMAT, _pc);
} else {
- st->print("Internal Error");
+ if (should_report_bug(_id)) {
+ st->print("Internal Error");
+ } else {
+ st->print("Out of Memory Error");
+ }
if (_filename != NULL && _lineno > 0) {
#ifdef PRODUCT
// In product mode chop off pathname?
@@ -393,12 +419,14 @@
STEP(40, "(printing error message)")
- // error message
- if (_detail_msg) {
- st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg);
- } else if (_message) {
- st->print_cr("# Error: %s", _message);
- }
+ if (should_report_bug(_id)) { // already printed the message.
+ // error message
+ if (_detail_msg) {
+ st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg);
+ } else if (_message) {
+ st->print_cr("# Error: %s", _message);
+ }
+ }
STEP(50, "(printing Java version string)")
@@ -428,7 +456,9 @@
STEP(65, "(printing bug submit message)")
- if (_verbose) print_bug_submit_message(st, _thread);
+ if (should_report_bug(_id) && _verbose) {
+ print_bug_submit_message(st, _thread);
+ }
STEP(70, "(printing thread)" )
@@ -906,7 +936,7 @@
OnError = NULL;
}
- static bool skip_bug_url = false;
+ static bool skip_bug_url = !should_report_bug(first_error->_id);
if (!skip_bug_url) {
skip_bug_url = true;
@@ -919,7 +949,8 @@
static bool skip_os_abort = false;
if (!skip_os_abort) {
skip_os_abort = true;
- os::abort();
+ bool dump_core = should_report_bug(first_error->_id);
+ os::abort(dump_core);
}
// if os::abort() doesn't abort, try os::die();
--- a/hotspot/src/share/vm/utilities/vmError.hpp Fri Jan 07 03:41:07 2011 -0800
+++ b/hotspot/src/share/vm/utilities/vmError.hpp Fri Jan 07 15:54:32 2011 -0800
@@ -87,10 +87,12 @@
// accessor
const char* message() const { return _message; }
const char* detail_msg() const { return _detail_msg; }
+ bool should_report_bug(unsigned int id) { return id != oom_error; }
public:
// Constructor for crashes
- VMError(Thread* thread, int sig, address pc, void* siginfo, void* context);
+ VMError(Thread* thread, unsigned int sig, address pc, void* siginfo,
+ void* context);
// Constructor for VM internal errors
VMError(Thread* thread, const char* filename, int lineno,
const char* message, const char * detail_msg);