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8380772: Rename _total_allocations to _total_allocated_size in ThreadLocalAllocStats

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Reviewed-by: stefank, aboldtch, tschatzl
This commit is contained in:
Albert Mingkun Yang 2026-03-25 07:03:08 +00:00
parent 0c60c9ca14
commit 0423483bfd
2 changed files with 15 additions and 15 deletions
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24
src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
View File

@ -302,7 +302,7 @@ HeapWord* ThreadLocalAllocBuffer::hard_end() {
PerfVariable* ThreadLocalAllocStats::_perf_allocating_threads;
PerfVariable* ThreadLocalAllocStats::_perf_total_refills;
PerfVariable* ThreadLocalAllocStats::_perf_max_refills;
PerfVariable* ThreadLocalAllocStats::_perf_total_allocations;
PerfVariable* ThreadLocalAllocStats::_perf_total_allocated_size;
PerfVariable* ThreadLocalAllocStats::_perf_total_gc_waste;
PerfVariable* ThreadLocalAllocStats::_perf_max_gc_waste;
PerfVariable* ThreadLocalAllocStats::_perf_total_refill_waste;
@ -325,7 +325,7 @@ void ThreadLocalAllocStats::initialize() {
_perf_allocating_threads = create_perf_variable("allocThreads", PerfData::U_None, CHECK);
_perf_total_refills = create_perf_variable("fills", PerfData::U_None, CHECK);
_perf_max_refills = create_perf_variable("maxFills", PerfData::U_None, CHECK);
_perf_total_allocations = create_perf_variable("alloc", PerfData::U_Bytes, CHECK);
_perf_total_allocated_size = create_perf_variable("alloc", PerfData::U_Bytes, CHECK);
_perf_total_gc_waste = create_perf_variable("gcWaste", PerfData::U_Bytes, CHECK);
_perf_max_gc_waste = create_perf_variable("maxGcWaste", PerfData::U_Bytes, CHECK);
_perf_total_refill_waste = create_perf_variable("refillWaste", PerfData::U_Bytes, CHECK);
@ -339,7 +339,7 @@ ThreadLocalAllocStats::ThreadLocalAllocStats() :
_allocating_threads(0),
_total_refills(0),
_max_refills(0),
_total_allocations(0),
_total_allocated_size(0),
_total_gc_waste(0),
_max_gc_waste(0),
_total_refill_waste(0),
@ -352,13 +352,13 @@ unsigned int ThreadLocalAllocStats::allocating_threads_avg() {
}
void ThreadLocalAllocStats::update_fast_allocations(unsigned int refills,
size_t allocations,
size_t gc_waste,
size_t refill_waste) {
size_t allocated_size,
size_t gc_waste,
size_t refill_waste) {
_allocating_threads += 1;
_total_refills += refills;
_max_refills = MAX2(_max_refills, refills);
_total_allocations += allocations;
_total_allocated_size += allocated_size;
_total_gc_waste += gc_waste;
_max_gc_waste = MAX2(_max_gc_waste, gc_waste);
_total_refill_waste += refill_waste;
@ -374,7 +374,7 @@ void ThreadLocalAllocStats::update(const ThreadLocalAllocStats& other) {
_allocating_threads += other._allocating_threads;
_total_refills += other._total_refills;
_max_refills = MAX2(_max_refills, other._max_refills);
_total_allocations += other._total_allocations;
_total_allocated_size += other._total_allocated_size;
_total_gc_waste += other._total_gc_waste;
_max_gc_waste = MAX2(_max_gc_waste, other._max_gc_waste);
_total_refill_waste += other._total_refill_waste;
@ -387,7 +387,7 @@ void ThreadLocalAllocStats::reset() {
_allocating_threads = 0;
_total_refills = 0;
_max_refills = 0;
_total_allocations = 0;
_total_allocated_size = 0;
_total_gc_waste = 0;
_max_gc_waste = 0;
_total_refill_waste = 0;
@ -397,14 +397,14 @@ void ThreadLocalAllocStats::reset() {
}
void ThreadLocalAllocStats::publish() {
if (_total_allocations == 0) {
if (_total_allocated_size == 0) {
return;
}
_allocating_threads_avg.sample(_allocating_threads);
const size_t waste = _total_gc_waste + _total_refill_waste;
const double waste_percent = percent_of(waste, _total_allocations);
const double waste_percent = percent_of(waste, _total_allocated_size);
log_debug(gc, tlab)("TLAB totals: thrds: %d refills: %d max: %d"
" slow allocs: %d max %d waste: %4.1f%%"
" gc: %zuB max: %zuB"
@ -418,7 +418,7 @@ void ThreadLocalAllocStats::publish() {
_perf_allocating_threads ->set_value(_allocating_threads);
_perf_total_refills ->set_value(_total_refills);
_perf_max_refills ->set_value(_max_refills);
_perf_total_allocations ->set_value(_total_allocations);
_perf_total_allocated_size ->set_value(_total_allocated_size);
_perf_total_gc_waste ->set_value(_total_gc_waste);
_perf_max_gc_waste ->set_value(_max_gc_waste);
_perf_total_refill_waste ->set_value(_total_refill_waste);

6
src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp
View File

@ -182,7 +182,7 @@ private:
static PerfVariable* _perf_allocating_threads;
static PerfVariable* _perf_total_refills;
static PerfVariable* _perf_max_refills;
static PerfVariable* _perf_total_allocations;
static PerfVariable* _perf_total_allocated_size;
static PerfVariable* _perf_total_gc_waste;
static PerfVariable* _perf_max_gc_waste;
static PerfVariable* _perf_total_refill_waste;
@ -195,7 +195,7 @@ private:
unsigned int _allocating_threads;
unsigned int _total_refills;
unsigned int _max_refills;
size_t _total_allocations;
size_t _total_allocated_size;
size_t _total_gc_waste;
size_t _max_gc_waste;
size_t _total_refill_waste;
@ -210,7 +210,7 @@ public:
ThreadLocalAllocStats();
void update_fast_allocations(unsigned int refills,
size_t allocations,
size_t allocated_size,
size_t gc_waste,
size_t refill_waste);
void update_slow_allocations(unsigned int allocations);