stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8256419: ZGC: Remove "Heap Used Before/After Mark/Relocation" samplers

Browse Source 
Reviewed-by: eosterlund, stefank
This commit is contained in:
Per Liden 2020-11-23 10:38:38 +00:00
parent b450e7c1c5
commit 53f38353e0
1 changed files with 0 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/hotspot/share/gc/z/zHeap.cpp
View File

@ -48,10 +48,6 @@
#include "runtime/thread.hpp"
#include "utilities/debug.hpp"
static const ZStatSampler ZSamplerHeapUsedBeforeMark("Memory", "Heap Used Before Mark", ZStatUnitBytes);
static const ZStatSampler ZSamplerHeapUsedAfterMark("Memory", "Heap Used After Mark", ZStatUnitBytes);
static const ZStatSampler ZSamplerHeapUsedBeforeRelocation("Memory", "Heap Used Before Relocation", ZStatUnitBytes);
static const ZStatSampler ZSamplerHeapUsedAfterRelocation("Memory", "Heap Used After Relocation", ZStatUnitBytes);
static const ZStatCounter ZCounterUndoPageAllocation("Memory", "Undo Page Allocation", ZStatUnitOpsPerSecond);
static const ZStatCounter ZCounterOutOfMemory("Memory", "Out Of Memory", ZStatUnitOpsPerSecond);
@ -246,9 +242,6 @@ void ZHeap::flip_to_remapped() {
void ZHeap::mark_start() {
assert(SafepointSynchronize::is_at_safepoint(), "Should be at safepoint");
// Update statistics
ZStatSample(ZSamplerHeapUsedBeforeMark, used());
// Flip address view
flip_to_marked();
@ -295,7 +288,6 @@ bool ZHeap::mark_end() {
ZVerify::after_mark();
// Update statistics
ZStatSample(ZSamplerHeapUsedAfterMark, used());
ZStatHeap::set_at_mark_end(capacity(), allocated(), used());
// Block resurrection of weak/phantom references
@ -444,7 +436,6 @@ void ZHeap::relocate_start() {
ZGlobalPhase = ZPhaseRelocate;
// Update statistics
ZStatSample(ZSamplerHeapUsedBeforeRelocation, used());
ZStatHeap::set_at_relocate_start(capacity(), allocated(), used());
// Notify JVMTI
@ -456,7 +447,6 @@ void ZHeap::relocate() {
const bool success = _relocate.relocate(&_relocation_set);
// Update statistics
ZStatSample(ZSamplerHeapUsedAfterRelocation, used());
ZStatRelocation::set_at_relocate_end(success);
ZStatHeap::set_at_relocate_end(capacity(), allocated(), reclaimed(),
used(), used_high(), used_low());