Mercurial > hg > truffle
changeset 20584:ef9eda2c1abe
8061234: ResourceContext.requestAccurateUpdate() is unreliable
Summary: Changing copy_allocation_context_stats to return if there are more stats available after the copy.
Reviewed-by: rriggs, jcoomes
author | sjohanss |
---|---|
date | Thu, 30 Oct 2014 10:51:06 +0100 |
parents | 678a467a733b |
children | 90297adbda9d 41dcdd636080 2eda90444a0d |
files | src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp src/share/vm/gc_interface/collectedHeap.hpp |
diffstat | 3 files changed, 8 insertions(+), 4 deletions(-) [+] |
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--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Tue May 27 08:44:23 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Thu Oct 30 10:51:06 2014 +0100 @@ -1249,7 +1249,7 @@ // The same as above but assume that the caller holds the Heap_lock. void collect_locked(GCCause::Cause cause); - virtual void copy_allocation_context_stats(const jint* contexts, + virtual bool copy_allocation_context_stats(const jint* contexts, jlong* totals, jbyte* accuracy, jint len);
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp Tue May 27 08:44:23 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp Thu Oct 30 10:51:06 2014 +0100 @@ -25,8 +25,9 @@ #include "precompiled.hpp" #include "gc_implementation/g1/g1CollectedHeap.hpp" -void G1CollectedHeap::copy_allocation_context_stats(const jint* contexts, +bool G1CollectedHeap::copy_allocation_context_stats(const jint* contexts, jlong* totals, jbyte* accuracy, jint len) { + return false; }
--- a/src/share/vm/gc_interface/collectedHeap.hpp Tue May 27 08:44:23 2014 -0700 +++ b/src/share/vm/gc_interface/collectedHeap.hpp Thu Oct 30 10:51:06 2014 +0100 @@ -641,10 +641,13 @@ // For each context in contexts, set the corresponding entries in the totals // and accuracy arrays to the current values held by the statistics. Each // array should be of length len. - virtual void copy_allocation_context_stats(const jint* contexts, + // Returns true if there are more stats available. + virtual bool copy_allocation_context_stats(const jint* contexts, jlong* totals, jbyte* accuracy, - jint len) { } + jint len) { + return false; + } /////////////// Unit tests ///////////////