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8319876: Reduce memory consumption of VM_ThreadDump::doit

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Reviewed-by: dholmes, stefank
This commit is contained in:
yibo.yl
2023-11-17 08:43:18 +00:00
committed by Denghui Dong
parent bbf52e0e4c
commit 8ec6b8de3b
2 changed files with 1 additions and 3 deletions
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2
src/hotspot/share/runtime/vmOperations.cpp
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@@ -230,7 +230,6 @@ VM_ThreadDump::VM_ThreadDump(ThreadDumpResult* result,
_result = result;
_num_threads = 0; // 0 indicates all threads
_threads = nullptr;
_result = result;
_max_depth = max_depth;
_with_locked_monitors = with_locked_monitors;
_with_locked_synchronizers = with_locked_synchronizers;
@@ -245,7 +244,6 @@ VM_ThreadDump::VM_ThreadDump(ThreadDumpResult* result,
_result = result;
_num_threads = num_threads;
_threads = threads;
_result = result;
_max_depth = max_depth;
_with_locked_monitors = with_locked_monitors;
_with_locked_synchronizers = with_locked_synchronizers;

2
src/hotspot/share/services/threadService.cpp
View File

@@ -696,7 +696,7 @@ void ThreadStackTrace::dump_stack_at_safepoint(int maxDepth, ObjectMonitorsView*
RegisterMap::UpdateMap::include,
RegisterMap::ProcessFrames::include,
RegisterMap::WalkContinuation::skip);
ResourceMark rm(VMThread::vm_thread());
// If full, we want to print both vthread and carrier frames
vframe* start_vf = !full && _thread->is_vthread_mounted()
? _thread->carrier_last_java_vframe(&reg_map)