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7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis

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Track allocated bytes in Thread's, update on TLAB retirement and direct allocation in Eden and tenured, add JNI methods for ThreadMXBean.

Reviewed-by: coleenp, kvn, dholmes, ysr
This commit is contained in:
Paul Hohensee 2011-01-07 10:42:32 -05:00
parent 6f2c2c3272
commit 7b0134a7cb
26 changed files with 447 additions and 212 deletions
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5
hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp
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@ -166,7 +166,7 @@ void C1_MacroAssembler::try_allocate(
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 @@ void C1_MacroAssembler::try_allocate(
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::initialize_body(Register base, Register index) {
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