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8149383: Convert TraceBiasedLocking to Unified Logging

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The former -XX:+TraceBiasedLocking flag has been converted to the UL option -Xlog:biasedlocking=info and =trace, with the old option being aliased.

Reviewed-by: dholmes, dcubed
This commit is contained in:
Rachel Protacio 2016-02-18 17:10:48 -05:00
parent af854404be
commit 3cf4e3909c
6 changed files with 153 additions and 60 deletions
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9
hotspot/src/share/vm/runtime/thread.cpp
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@ -170,11 +170,10 @@ void* Thread::allocate(size_t size, bool throw_excpt, MEMFLAGS flags) {
assert(((uintptr_t) aligned_addr + (uintptr_t) size) <=
((uintptr_t) real_malloc_addr + (uintptr_t) aligned_size),
"JavaThread alignment code overflowed allocated storage");
if (TraceBiasedLocking) {
if (aligned_addr != real_malloc_addr) {
tty->print_cr("Aligned thread " INTPTR_FORMAT " to " INTPTR_FORMAT,
p2i(real_malloc_addr), p2i(aligned_addr));
}
if (aligned_addr != real_malloc_addr) {
log_info(biasedlocking)("Aligned thread " INTPTR_FORMAT " to " INTPTR_FORMAT,
p2i(real_malloc_addr),
p2i(aligned_addr));
}
((Thread*) aligned_addr)->_real_malloc_address = real_malloc_addr;
return aligned_addr;