java.async-profiler.wall.current.jfr.md

Sampling profile

Collected 4,878 samples.

Category	%	Samples
Native	83.3%	4,061
Ours	13.8%	671
Standard library	2.4%	117
Compiler	0.3%	14
JIT	0.2%	10
Unknown	0.1%	5

Hottest functions

Self samples

Functions ranked by samples taken directly in the function body, excluding callees.

%	Samples	Function	Location
50.1%	2,446	__psynch_cvwait	libsystem_kernel.dylib
26.3%	1,282	semaphore_wait_trap	libsystem_kernel.dylib
5.1%	250	accumulate(Double[], double[])	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
4.3%	211	distance(Double[], Double[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
2.5%	122	mach_msg2_trap	libsystem_kernel.dylib
2.5%	122	__ulock_wait	libsystem_kernel.dylib
1.9%	91	findNearestCentroid()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
1.7%	85	vectorSum()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
0.9%	43	forward_copy_longs	<unknown>
0.7%	34	computeIfAbsent(Object, Function)	java.util.HashMap
0.6%	31	collectClusters(int[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
0.6%	29	elementData(int)	java.util.ArrayList
0.2%	10	zero_blocks	<unknown>
0.2%	8	helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean)	java.util.concurrent.ForkJoinPool
0.2%	8	__psynch_cvsignal	libsystem_kernel.dylib
0.1%	7	add(Object, Object[], int)	java.util.ArrayList
0.1%	7	__psynch_mutexwait	libsystem_kernel.dylib
0.1%	6	hash(Object)	java.util.HashMap
0.1%	6	checkIndex(int, int)	java.util.Objects
0.1%	5	G1FullGCResetMetadataTask::G1ResetMetadataClosure::scrub_skip_compacting_region	libjvm.dylib

Categories

Native

%	Samples	Function	Location
50.1%	2,446	__psynch_cvwait	libsystem_kernel.dylib
26.3%	1,282	semaphore_wait_trap	libsystem_kernel.dylib
2.5%	122	mach_msg2_trap	libsystem_kernel.dylib
2.5%	122	__ulock_wait	libsystem_kernel.dylib
0.9%	43	forward_copy_longs	<unknown>
0.2%	8	__psynch_cvsignal	libsystem_kernel.dylib
0.1%	7	__psynch_mutexwait	libsystem_kernel.dylib
0.1%	5	G1FullGCResetMetadataTask::G1ResetMetadataClosure::scrub_skip_compacting_region	libjvm.dylib
0.1%	3	arrayof_jint_disjoint_arraycopy	<unknown>
0.1%	3	_platform_memset	libsystem_platform.dylib
<0.1%	2	void objArrayOopDesc::oop_iterate_range<G1MarkAndPushClosure>	libjvm.dylib
<0.1%	1	write	libsystem_kernel.dylib
<0.1%	1	FieldStreamBase::initialize	libjvm.dylib
<0.1%	1	klassItable::setup_itable_offset_table	libjvm.dylib
<0.1%	1	Dictionary::find	libjvm.dylib
<0.1%	1	mach_absolute_time	libsystem_kernel.dylib
<0.1%	1	ClassFileParser::check_super_class_access	libjvm.dylib
<0.1%	1	JfrObjectAllocationSample::send_event	libjvm.dylib
<0.1%	1	InstanceKlass::allocate_objArray	libjvm.dylib
<0.1%	1	arrayof_oop_disjoint_arraycopy	<unknown>

Ours

%	Samples	Function	Location
5.1%	250	accumulate(Double[], double[])	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
4.3%	211	distance(Double[], Double[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
1.9%	91	findNearestCentroid()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
1.7%	85	vectorSum()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
0.6%	31	collectClusters(int[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
<0.1%	1	compute()	org.renaissance.jdk.concurrent.JavaKMeans$RangedTask
<0.1%	1	lambda$run$0(int, List, int)	org.renaissance.jdk.concurrent.JavaKMeans
<0.1%	1	<init>(JavaKMeans, List, List, int, int)	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

Standard library

%	Samples	Function	Location
0.7%	34	computeIfAbsent(Object, Function)	java.util.HashMap
0.6%	29	elementData(int)	java.util.ArrayList
0.2%	8	helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean)	java.util.concurrent.ForkJoinPool
0.1%	7	add(Object, Object[], int)	java.util.ArrayList
0.1%	6	hash(Object)	java.util.HashMap
0.1%	6	checkIndex(int, int)	java.util.Objects
0.1%	4	grow(int)	java.util.ArrayList
0.1%	4	doubleValue()	java.lang.Double
<0.1%	2	forEach(BiConsumer)	java.util.HashMap
<0.1%	2	merge(Object, Object, BiFunction)	java.util.HashMap
<0.1%	1	match(byte[], byte[], byte[], byte[])	java.util.jar.JarFile
<0.1%	1	sourceSpliterator(int)	java.util.stream.AbstractPipeline
<0.1%	1	opWrapSink(int, Sink)	java.util.stream.IntPipeline$1
<0.1%	1	awaitDone(int, long)	java.util.concurrent.ForkJoinTask
<0.1%	1	add(Object)	java.util.ArrayList
<0.1%	1	doExec()	java.util.concurrent.ForkJoinTask
<0.1%	1	tryRemoveAndExec(ForkJoinTask, boolean)	java.util.concurrent.ForkJoinPool$WorkQueue
<0.1%	1	runWorker(ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool
<0.1%	1	unpark(Object)	jdk.internal.misc.Unsafe
<0.1%	1	get(int)	java.util.ArrayList

Lines

Lines ranked by contribution to each function's self samples.

accumulate(Double[], double[]) (org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask)

%	Samples	Location
93.2%	233	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask:412
6.8%	17	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask:411

distance(Double[], Double[]) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Location
56.9%	120	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:248
40.8%	86	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:249
2.4%	5	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:250

findNearestCentroid() (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Location
56.0%	51	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:231
26.4%	24	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:230
9.9%	9	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:229
5.5%	5	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:226
2.2%	2	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:225

vectorSum() (org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask)

%	Samples	Location
85.9%	73	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask:403
14.1%	12	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask:402

computeIfAbsent(Object, Function) (java.util.HashMap)

%	Samples	Location
35.3%	12	java.util.HashMap:1213
23.5%	8	java.util.HashMap:1197
17.6%	6	java.util.HashMap:1204
8.8%	3	java.util.HashMap:1207
8.8%	3	java.util.HashMap:1219

collectClusters(int[]) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Location
32.3%	10	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:213
25.8%	8	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:215
16.1%	5	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:214
12.9%	4	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:211
12.9%	4	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:212

elementData(int) (java.util.ArrayList)

%	Samples	Location
100.0%	29	java.util.ArrayList:411

helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean) (java.util.concurrent.ForkJoinPool)

%	Samples	Location
37.5%	3	java.util.concurrent.ForkJoinPool:2053
25.0%	2	java.util.concurrent.ForkJoinPool:2057
12.5%	1	java.util.concurrent.ForkJoinPool:2051
12.5%	1	java.util.concurrent.ForkJoinPool:2059
12.5%	1	java.util.concurrent.ForkJoinPool:2041

add(Object, Object[], int) (java.util.ArrayList)

%	Samples	Location
100.0%	7	java.util.ArrayList:482

hash(Object) (java.util.HashMap)

%	Samples	Location
100.0%	6	java.util.HashMap:338

checkIndex(int, int) (java.util.Objects)

%	Samples	Location
100.0%	6	java.util.Objects:385

grow(int) (java.util.ArrayList)

%	Samples	Location
50.0%	2	java.util.ArrayList:232
50.0%	2	java.util.ArrayList:239

doubleValue() (java.lang.Double)

%	Samples	Location
100.0%	4	java.lang.Double:1001

forEach(BiConsumer) (java.util.HashMap)

%	Samples	Location
50.0%	1	java.util.HashMap:1427
50.0%	1	java.util.HashMap:1428

merge(Object, Object, BiFunction) (java.util.HashMap)

%	Samples	Location
50.0%	1	java.util.HashMap:1372
50.0%	1	java.util.HashMap:1369

compute() (org.renaissance.jdk.concurrent.JavaKMeans$RangedTask)

%	Samples	Location
100.0%	1	org.renaissance.jdk.concurrent.JavaKMeans$RangedTask:146

lambda$run$0(int, List, int) (org.renaissance.jdk.concurrent.JavaKMeans)

%	Samples	Location
100.0%	1	org.renaissance.jdk.concurrent.JavaKMeans:59

<init>(JavaKMeans, List, List, int, int) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Location
100.0%	1	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask:190

match(byte[], byte[], byte[], byte[]) (java.util.jar.JarFile)

%	Samples	Location
100.0%	1	java.util.jar.JarFile:1000

sourceSpliterator(int) (java.util.stream.AbstractPipeline)

%	Samples	Location
100.0%	1	java.util.stream.AbstractPipeline:412

opWrapSink(int, Sink) (java.util.stream.IntPipeline$1)

%	Samples	Location
100.0%	1	java.util.stream.IntPipeline$1:177

awaitDone(int, long) (java.util.concurrent.ForkJoinTask)

%	Samples	Location
100.0%	1	java.util.concurrent.ForkJoinTask:413

add(Object) (java.util.ArrayList)

%	Samples	Location
100.0%	1	java.util.ArrayList:495

doExec() (java.util.concurrent.ForkJoinTask)

%	Samples	Location
100.0%	1	java.util.concurrent.ForkJoinTask:387

tryRemoveAndExec(ForkJoinTask, boolean) (java.util.concurrent.ForkJoinPool$WorkQueue)

%	Samples	Location
100.0%	1	java.util.concurrent.ForkJoinPool$WorkQueue:1347

runWorker(ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool)

%	Samples	Location
100.0%	1	java.util.concurrent.ForkJoinPool:1808

get(int) (java.util.ArrayList)

%	Samples	Location
100.0%	1	java.util.ArrayList:427

Callers

Callers ranked by contribution to each function's self samples. Inlining can make caller attribution imprecise.

__psynch_cvwait (libsystem_kernel.dylib)

%	Samples	Caller	Location
54.9%	1,344	PlatformMonitor::wait	libjvm.dylib
35.1%	859	Parker::park	libjvm.dylib
5.0%	122	PlatformEvent::park	libjvm.dylib
4.9%	121	Profiler::timerLoop	libasyncProfiler.dylib

semaphore_wait_trap (libsystem_kernel.dylib)

%	Samples	Caller	Location
89.5%	1,147	WorkerThread::run	libjvm.dylib
9.5%	122	os::signal_wait	libjvm.dylib
0.7%	9	GenericWaitBarrier::Cell::wait	libjvm.dylib
0.3%	4	WorkerThreads::run_task	libjvm.dylib

accumulate(Double[], double[]) (org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask)

%	Samples	Caller	Location
100.0%	250	vectorSum()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask

distance(Double[], Double[]) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Caller	Location
100.0%	211	findNearestCentroid()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

mach_msg2_trap (libsystem_kernel.dylib)

%	Samples	Caller	Location
100.0%	122	mach_msg_overwrite	libsystem_kernel.dylib

__ulock_wait (libsystem_kernel.dylib)

%	Samples	Caller	Location
100.0%	122	CallJavaMainInNewThread	libjli.dylib

findNearestCentroid() (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Caller	Location
100.0%	91	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

vectorSum() (org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask)

%	Samples	Caller	Location
100.0%	85	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask

forward_copy_longs (<unknown>)

%	Samples	Caller	Location
81.4%	35	arrayof_jint_disjoint_arraycopy	<unknown>
18.6%	8	arrayof_oop_disjoint_arraycopy	<unknown>

computeIfAbsent(Object, Function) (java.util.HashMap)

%	Samples	Caller	Location
100.0%	34	collectClusters(int[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

collectClusters(int[]) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Caller	Location
100.0%	31	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

elementData(int) (java.util.ArrayList)

%	Samples	Caller	Location
100.0%	29	get(int)	java.util.ArrayList

zero_blocks (<unknown>)

%	Samples	Caller	Location
50.0%	5	grow(int)	java.util.ArrayList
50.0%	5	merge(Object, Object, BiFunction)	java.util.HashMap

helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean) (java.util.concurrent.ForkJoinPool)

%	Samples	Caller	Location
100.0%	8	awaitDone(int, long)	java.util.concurrent.ForkJoinTask

__psynch_cvsignal (libsystem_kernel.dylib)

%	Samples	Caller	Location
100.0%	8	Unsafe_Unpark	libjvm.dylib

add(Object, Object[], int) (java.util.ArrayList)

%	Samples	Caller	Location
100.0%	7	add(Object)	java.util.ArrayList

__psynch_mutexwait (libsystem_kernel.dylib)

%	Samples	Caller	Location
100.0%	7	_pthread_mutex_firstfit_lock_slow	libsystem_pthread.dylib

hash(Object) (java.util.HashMap)

%	Samples	Caller	Location
100.0%	6	computeIfAbsent(Object, Function)	java.util.HashMap

checkIndex(int, int) (java.util.Objects)

%	Samples	Caller	Location
100.0%	6	get(int)	java.util.ArrayList

G1FullGCResetMetadataTask::G1ResetMetadataClosure::scrub_skip_compacting_region (libjvm.dylib)

%	Samples	Caller	Location
100.0%	5	G1FullGCResetMetadataTask::G1ResetMetadataClosure::do_heap_region	libjvm.dylib

grow(int) (java.util.ArrayList)

%	Samples	Caller	Location
100.0%	4	grow()	java.util.ArrayList

doubleValue() (java.lang.Double)

%	Samples	Caller	Location
100.0%	4	distance(Double[], Double[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

arrayof_jint_disjoint_arraycopy (<unknown>)

%	Samples	Caller	Location
100.0%	3	copyOf(Object[], int)	java.util.Arrays

_platform_memset (libsystem_platform.dylib)

%	Samples	Caller	Location
100.0%	3	MemAllocator::allocate	libjvm.dylib

void objArrayOopDesc::oop_iterate_range<G1MarkAndPushClosure> (libjvm.dylib)

%	Samples	Caller	Location
50.0%	1	G1FullGCMarker::complete_marking	libjvm.dylib
50.0%	1	G1FullGCMarker::follow_marking_stacks	libjvm.dylib

forEach(BiConsumer) (java.util.HashMap)

%	Samples	Caller	Location
100.0%	2	merge(Map, Map)	org.renaissance.jdk.concurrent.JavaKMeans

merge(Object, Object, BiFunction) (java.util.HashMap)

%	Samples	Caller	Location
100.0%	2	lambda$merge$7(Map, Object, List)	org.renaissance.jdk.concurrent.JavaKMeans

write (libsystem_kernel.dylib)

%	Samples	Caller	Location
100.0%	1	Profiler::runInternal	libasyncProfiler.dylib

FieldStreamBase::initialize (libjvm.dylib)

%	Samples	Caller	Location
100.0%	1	JavaFieldStream::JavaFieldStream	libjvm.dylib

klassItable::setup_itable_offset_table (libjvm.dylib)

%	Samples	Caller	Location
100.0%	1	ClassFileParser::fill_instance_klass	libjvm.dylib

Dictionary::find (libjvm.dylib)

%	Samples	Caller	Location
100.0%	1	JVM_FindLoadedClass	libjvm.dylib

mach_absolute_time (libsystem_kernel.dylib)

%	Samples	Caller	Location
100.0%	1	getVmStartNanos()	org.renaissance.harness.RenaissanceSuite$

ClassFileParser::check_super_class_access (libjvm.dylib)

%	Samples	Caller	Location
100.0%	1	ClassFileParser::fill_instance_klass	libjvm.dylib

JfrObjectAllocationSample::send_event (libjvm.dylib)

%	Samples	Caller	Location
100.0%	1	JfrAllocationTracer::JfrAllocationTracer	libjvm.dylib

InstanceKlass::allocate_objArray (libjvm.dylib)

%	Samples	Caller	Location
100.0%	1	_new_array_Java	<unknown>

arrayof_oop_disjoint_arraycopy (<unknown>)

%	Samples	Caller	Location
100.0%	1	addAll(Collection)	java.util.ArrayList

compute() (org.renaissance.jdk.concurrent.JavaKMeans$RangedTask)

%	Samples	Caller	Location
100.0%	1	exec()	java.util.concurrent.RecursiveTask

lambda$run$0(int, List, int) (org.renaissance.jdk.concurrent.JavaKMeans)

%	Samples	Caller	Location
100.0%	1	call()	org.renaissance.jdk.concurrent.JavaKMeans$$Lambda.0x000000a801183d68

<init>(JavaKMeans, List, List, int, int) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Caller	Location
100.0%	1	createSubtask(int, int)	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

match(byte[], byte[], byte[], byte[]) (java.util.jar.JarFile)

%	Samples	Caller	Location
100.0%	1	checkForSpecialAttributes()	java.util.jar.JarFile

sourceSpliterator(int) (java.util.stream.AbstractPipeline)

%	Samples	Caller	Location
100.0%	1	evaluateToArrayNode(IntFunction)	java.util.stream.AbstractPipeline

opWrapSink(int, Sink) (java.util.stream.IntPipeline$1)

%	Samples	Caller	Location
100.0%	1	wrapSink(Sink)	java.util.stream.AbstractPipeline

awaitDone(int, long) (java.util.concurrent.ForkJoinTask)

%	Samples	Caller	Location
100.0%	1	join()	java.util.concurrent.ForkJoinTask

add(Object) (java.util.ArrayList)

%	Samples	Caller	Location
100.0%	1	collectClusters(int[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

doExec() (java.util.concurrent.ForkJoinTask)

%	Samples	Caller	Location
100.0%	1	tryRemoveAndExec(ForkJoinTask, boolean)	java.util.concurrent.ForkJoinPool$WorkQueue

tryRemoveAndExec(ForkJoinTask, boolean) (java.util.concurrent.ForkJoinPool$WorkQueue)

%	Samples	Caller	Location
100.0%	1	awaitDone(int, long)	java.util.concurrent.ForkJoinTask

runWorker(ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool)

%	Samples	Caller	Location
100.0%	1	run()	java.util.concurrent.ForkJoinWorkerThread

unpark(Object) (jdk.internal.misc.Unsafe)

%	Samples	Caller	Location
100.0%	1	unpark(Thread)	java.util.concurrent.locks.LockSupport

get(int) (java.util.ArrayList)

%	Samples	Caller	Location
100.0%	1	vectorSum()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask

Total samples

Functions ranked by total samples taken in the function and all its callees.

%	Samples	Function	Location
56.7%	2,765	_pthread_start	libsystem_pthread.dylib
56.7%	2,765	thread_start	libsystem_pthread.dylib
54.2%	2,642	Thread::call_run	libjvm.dylib
54.2%	2,642	thread_native_entry	libjvm.dylib
50.1%	2,446	__psynch_cvwait	libsystem_kernel.dylib
30.8%	1,500	runWorker(ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool
30.8%	1,500	run()	java.util.concurrent.ForkJoinWorkerThread
27.6%	1,346	PlatformMonitor::wait	libjvm.dylib
26.3%	1,282	semaphore_wait_trap	libsystem_kernel.dylib
23.8%	1,161	awaitDone(int, long)	java.util.concurrent.ForkJoinTask
23.7%	1,157	WorkerThread::run	libjvm.dylib
22.1%	1,079	doExec()	java.util.concurrent.ForkJoinTask
22.1%	1,079	topLevelExec(ForkJoinTask, ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool$WorkQueue
22.1%	1,079	scan(ForkJoinPool$WorkQueue, int, int)	java.util.concurrent.ForkJoinPool
22.1%	1,076	compute()	org.renaissance.jdk.concurrent.JavaKMeans$RangedTask
22.1%	1,076	exec()	java.util.concurrent.RecursiveTask
21.5%	1,051	join()	java.util.concurrent.ForkJoinTask
19.8%	966	Monitor::wait_without_safepoint_check	libjvm.dylib
19.5%	951	tryRemoveAndExec(ForkJoinTask, boolean)	java.util.concurrent.ForkJoinPool$WorkQueue
17.9%	875	JavaThread::thread_main_inner	libjvm.dylib

Categories

Native

%	Samples	Function	Location
56.7%	2,765	_pthread_start	libsystem_pthread.dylib
56.7%	2,765	thread_start	libsystem_pthread.dylib
54.2%	2,642	Thread::call_run	libjvm.dylib
54.2%	2,642	thread_native_entry	libjvm.dylib
50.1%	2,446	__psynch_cvwait	libsystem_kernel.dylib
27.6%	1,346	PlatformMonitor::wait	libjvm.dylib
26.3%	1,282	semaphore_wait_trap	libsystem_kernel.dylib
23.7%	1,157	WorkerThread::run	libjvm.dylib
19.8%	966	Monitor::wait_without_safepoint_check	libjvm.dylib
17.9%	875	JavaThread::thread_main_inner	libjvm.dylib
17.6%	859	Parker::park	libjvm.dylib
17.6%	859	Unsafe_Park	libjvm.dylib
7.8%	380	Monitor::wait	libjvm.dylib
7.5%	366	ConcurrentGCThread::run	libjvm.dylib
5.0%	244	JLI_Launch	libjli.dylib
5.0%	244	main	java
2.5%	122	mach_msg2_trap	libsystem_kernel.dylib
2.5%	122	mach_msg_overwrite	libsystem_kernel.dylib
2.5%	122	mach_msg	libsystem_kernel.dylib
2.5%	122	__CFRunLoopServiceMachPort	CoreFoundation

Ours

%	Samples	Function	Location
22.1%	1,076	compute()	org.renaissance.jdk.concurrent.JavaKMeans$RangedTask
8.7%	425	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
7.2%	351	vectorSum()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
7.2%	351	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
6.5%	318	findNearestCentroid()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
5.1%	250	accumulate(Double[], double[])	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
4.4%	217	distance(Double[], Double[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
3.5%	171	average(List)	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask
3.5%	171	computeClusterAverages()	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask
3.5%	171	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask
2.5%	121	launchHarnessClass(String, String[])	org.renaissance.core.Launcher
2.5%	121	main(String[])	org.renaissance.core.Launcher
2.5%	120	main(String[])	org.renaissance.harness.RenaissanceSuite
2.5%	120	loadAndInvokeHarnessClass(ModuleLoader, String, String[])	org.renaissance.core.Launcher
2.4%	119	main(String[])	org.renaissance.harness.RenaissanceSuite$
2.4%	117	runBenchmarks(BenchmarkSuite, Seq, Plugin$ExecutionPolicy, EventDispatcher)	org.renaissance.harness.RenaissanceSuite$
2.4%	116	executeBenchmark()	org.renaissance.harness.ExecutionDriver
2.4%	116	runBenchmarks$$anonfun$1(BenchmarkSuite, Plugin$ExecutionPolicy, EventDispatcher, Buffer, long, BenchmarkDescriptor)	org.renaissance.harness.RenaissanceSuite$
2.4%	116	applyVoid(Object)	org.renaissance.harness.RenaissanceSuite$$$Lambda.0x000000a80111efe0
2.3%	114	executeOperation(int)	org.renaissance.harness.ExecutionDriver

Standard library

%	Samples	Function	Location
30.8%	1,500	runWorker(ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool
30.8%	1,500	run()	java.util.concurrent.ForkJoinWorkerThread
23.8%	1,161	awaitDone(int, long)	java.util.concurrent.ForkJoinTask
22.1%	1,079	doExec()	java.util.concurrent.ForkJoinTask
22.1%	1,079	topLevelExec(ForkJoinTask, ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool$WorkQueue
22.1%	1,079	scan(ForkJoinPool$WorkQueue, int, int)	java.util.concurrent.ForkJoinPool
22.1%	1,076	exec()	java.util.concurrent.RecursiveTask
21.5%	1,051	join()	java.util.concurrent.ForkJoinTask
19.5%	951	tryRemoveAndExec(ForkJoinTask, boolean)	java.util.concurrent.ForkJoinPool$WorkQueue
17.6%	859	park(boolean, long)	jdk.internal.misc.Unsafe
14.8%	722	park()	java.util.concurrent.locks.LockSupport
8.6%	420	awaitWork(ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool
4.9%	240	invoke()	java.util.concurrent.ForkJoinTask
4.7%	229	helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean)	java.util.concurrent.ForkJoinPool
2.5%	122	wait0(long)	java.lang.Object
2.5%	122	wait(long)	java.lang.Object
2.5%	122	wait()	java.lang.Object
2.5%	122	await()	java.lang.ref.NativeReferenceQueue
2.5%	122	remove0()	java.lang.ref.ReferenceQueue
2.5%	122	remove()	java.lang.ref.NativeReferenceQueue

Callees

Callees ranked by contribution to each function's total samples. Inlining can make callee attribution imprecise, and percentages can sum past 100% when callees recurse.

_pthread_start (libsystem_pthread.dylib)

%	Samples	Callee	Location
95.6%	2,642	thread_native_entry	libjvm.dylib
4.4%	122	apple_main	libjli.dylib
<0.1%	1	ThreadJavaMain	libjli.dylib

thread_start (libsystem_pthread.dylib)

%	Samples	Callee	Location
100.0%	2,765	_pthread_start	libsystem_pthread.dylib

Thread::call_run (libjvm.dylib)

%	Samples	Callee	Location
43.8%	1,157	WorkerThread::run	libjvm.dylib
33.1%	875	JavaThread::thread_main_inner	libjvm.dylib
13.9%	366	ConcurrentGCThread::run	libjvm.dylib
4.6%	122	VMThread::run	libjvm.dylib
4.6%	122	WatcherThread::run	libjvm.dylib

thread_native_entry (libjvm.dylib)

%	Samples	Callee	Location
100.0%	2,642	Thread::call_run	libjvm.dylib

runWorker(ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool)

%	Samples	Callee	Location
71.9%	1,079	scan(ForkJoinPool$WorkQueue, int, int)	java.util.concurrent.ForkJoinPool
28.0%	420	awaitWork(ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool

run() (java.util.concurrent.ForkJoinWorkerThread)

%	Samples	Callee	Location
100.0%	1,500	runWorker(ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool

PlatformMonitor::wait (libjvm.dylib)

%	Samples	Callee	Location
99.9%	1,344	__psynch_cvwait	libsystem_kernel.dylib
0.1%	2	_pthread_cond_wait	libsystem_pthread.dylib

awaitDone(int, long) (java.util.concurrent.ForkJoinTask)

%	Samples	Callee	Location
81.9%	951	tryRemoveAndExec(ForkJoinTask, boolean)	java.util.concurrent.ForkJoinPool$WorkQueue
27.4%	318	park()	java.util.concurrent.locks.LockSupport
19.7%	229	helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean)	java.util.concurrent.ForkJoinPool

WorkerThread::run (libjvm.dylib)

%	Samples	Callee	Location
99.1%	1,147	semaphore_wait_trap	libsystem_kernel.dylib
0.4%	5	G1FullGCResetMetadataTask::work	libjvm.dylib
0.3%	3	G1FullGCMarkTask::work	libjvm.dylib
0.1%	1	G1FullGCPrepareTask::work	libjvm.dylib
0.1%	1	G1FullGCAdjustTask::work	libjvm.dylib

doExec() (java.util.concurrent.ForkJoinTask)

%	Samples	Callee	Location
99.7%	1,076	exec()	java.util.concurrent.RecursiveTask
10.1%	109	exec()	java.util.concurrent.ForkJoinTask$AdaptedCallable
0.6%	7	setDone()	java.util.concurrent.ForkJoinTask

topLevelExec(ForkJoinTask, ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool$WorkQueue)

%	Samples	Callee	Location
100.0%	1,079	doExec()	java.util.concurrent.ForkJoinTask

scan(ForkJoinPool$WorkQueue, int, int) (java.util.concurrent.ForkJoinPool)

%	Samples	Callee	Location
100.0%	1,079	topLevelExec(ForkJoinTask, ForkJoinPool$WorkQueue)	java.util.concurrent.ForkJoinPool$WorkQueue

compute() (org.renaissance.jdk.concurrent.JavaKMeans$RangedTask)

%	Samples	Callee	Location
97.7%	1,051	join()	java.util.concurrent.ForkJoinTask
39.5%	425	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
32.6%	351	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
15.9%	171	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask
6.5%	70	combineResults(Object, Object)	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

exec() (java.util.concurrent.RecursiveTask)

%	Samples	Callee	Location
100.0%	1,076	compute()	org.renaissance.jdk.concurrent.JavaKMeans$RangedTask

join() (java.util.concurrent.ForkJoinTask)

%	Samples	Callee	Location
100.0%	1,051	awaitDone(int, long)	java.util.concurrent.ForkJoinTask

Monitor::wait_without_safepoint_check (libjvm.dylib)

%	Samples	Callee	Location
100.0%	966	PlatformMonitor::wait	libjvm.dylib

tryRemoveAndExec(ForkJoinTask, boolean) (java.util.concurrent.ForkJoinPool$WorkQueue)

%	Samples	Callee	Location
100.0%	951	doExec()	java.util.concurrent.ForkJoinTask
0.1%	1	resolve_opt_virtual_call	<unknown>

JavaThread::thread_main_inner (libjvm.dylib)

%	Samples	Callee	Location
31.1%	272	CompileBroker::compiler_thread_loop	libjvm.dylib
13.9%	122	signal_thread_entry	libjvm.dylib
13.9%	122	ServiceThread::service_thread_entry	libjvm.dylib
13.8%	121	NotificationThread::notification_thread_entry	libjvm.dylib
13.8%	121	JvmtiAgentThread::start_function_wrapper	libjvm.dylib

Parker::park (libjvm.dylib)

%	Samples	Callee	Location
100.0%	859	__psynch_cvwait	libsystem_kernel.dylib

Unsafe_Park (libjvm.dylib)

%	Samples	Callee	Location
100.0%	859	Parker::park	libjvm.dylib

park(boolean, long) (jdk.internal.misc.Unsafe)

%	Samples	Callee	Location
100.0%	859	Unsafe_Park	libjvm.dylib

park() (java.util.concurrent.locks.LockSupport)

%	Samples	Callee	Location
100.0%	722	park(boolean, long)	jdk.internal.misc.Unsafe

computeDirectly() (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Callee	Location
100.0%	425	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
74.8%	318	findNearestCentroid()	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
25.2%	107	collectClusters(int[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask

awaitWork(ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool)

%	Samples	Callee	Location
96.2%	404	park()	java.util.concurrent.locks.LockSupport
3.8%	16	parkUntil(long)	java.util.concurrent.locks.LockSupport

Monitor::wait (libjvm.dylib)

%	Samples	Callee	Location
100.0%	380	PlatformMonitor::wait	libjvm.dylib

ConcurrentGCThread::run (libjvm.dylib)

%	Samples	Callee	Location
33.3%	122	G1ConcurrentMarkThread::run_service	libjvm.dylib
33.3%	122	G1ServiceThread::run_service	libjvm.dylib
33.3%	122	G1ConcurrentRefineThread::run_service	libjvm.dylib

vectorSum() (org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask)

%	Samples	Callee	Location
71.2%	250	accumulate(Double[], double[])	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
4.6%	16	get(int)	java.util.ArrayList

computeDirectly() (org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask)

%	Samples	Callee	Location
100.0%	351	vectorSum()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask
100.0%	351	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$VectorSumTask

findNearestCentroid() (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Callee	Location
68.2%	217	distance(Double[], Double[])	org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask
2.5%	8	get(int)	java.util.ArrayList
0.6%	2	SafepointBlob	<unknown>

JLI_Launch (libjli.dylib)

%	Samples	Callee	Location
50.0%	122	CreateExecutionEnvironment	libjli.dylib
50.0%	122	ContinueInNewThread	libjli.dylib

main (java)

%	Samples	Callee	Location
100.0%	244	JLI_Launch	libjli.dylib

invoke() (java.util.concurrent.ForkJoinTask)

%	Samples	Callee	Location
100.0%	240	doExec()	java.util.concurrent.ForkJoinTask

helpJoin(ForkJoinTask, ForkJoinPool$WorkQueue, boolean) (java.util.concurrent.ForkJoinPool)

%	Samples	Callee	Location
97.4%	223	doExec()	java.util.concurrent.ForkJoinTask
0.9%	2	tryCompensate(long, boolean)	java.util.concurrent.ForkJoinPool

distance(Double[], Double[]) (org.renaissance.jdk.concurrent.JavaKMeans$AssignmentTask)

%	Samples	Callee	Location
1.8%	4	doubleValue()	java.lang.Double
0.9%	2	SafepointBlob	<unknown>

average(List) (org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask)

%	Samples	Callee	Location
100.0%	171	invoke()	java.util.concurrent.ForkJoinTask

computeClusterAverages() (org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask)

%	Samples	Callee	Location
100.0%	171	average(List)	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask

computeDirectly() (org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask)

%	Samples	Callee	Location
100.0%	171	computeClusterAverages()	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask
100.0%	171	computeDirectly()	org.renaissance.jdk.concurrent.JavaKMeans$UpdateTask

mach_msg_overwrite (libsystem_kernel.dylib)

%	Samples	Callee	Location
100.0%	122	mach_msg2_trap	libsystem_kernel.dylib

mach_msg (libsystem_kernel.dylib)

%	Samples	Callee	Location
100.0%	122	mach_msg_overwrite	libsystem_kernel.dylib

__CFRunLoopServiceMachPort (CoreFoundation)

%	Samples	Callee	Location
100.0%	122	mach_msg	libsystem_kernel.dylib

wait0(long) (java.lang.Object)

%	Samples	Callee	Location
100.0%	122	JVM_MonitorWait	libjvm.dylib

wait(long) (java.lang.Object)

%	Samples	Callee	Location
100.0%	122	wait0(long)	java.lang.Object

wait() (java.lang.Object)

%	Samples	Callee	Location
100.0%	122	wait(long)	java.lang.Object

await() (java.lang.ref.NativeReferenceQueue)

%	Samples	Callee	Location
100.0%	122	wait()	java.lang.Object

remove0() (java.lang.ref.ReferenceQueue)

%	Samples	Callee	Location
100.0%	122	await()	java.lang.ref.NativeReferenceQueue

remove() (java.lang.ref.NativeReferenceQueue)

%	Samples	Callee	Location
100.0%	122	remove0()	java.lang.ref.ReferenceQueue

launchHarnessClass(String, String[]) (org.renaissance.core.Launcher)

%	Samples	Callee	Location
99.2%	120	loadAndInvokeHarnessClass(ModuleLoader, String, String[])	org.renaissance.core.Launcher
0.8%	1	create(Path, URI)	org.renaissance.core.ModuleLoader

main(String[]) (org.renaissance.core.Launcher)

%	Samples	Callee	Location
100.0%	121	launchHarnessClass(String, String[])	org.renaissance.core.Launcher

main(String[]) (org.renaissance.harness.RenaissanceSuite)

%	Samples	Callee	Location
99.2%	119	main(String[])	org.renaissance.harness.RenaissanceSuite$
0.8%	1	loadClass(String)	java.lang.ClassLoader

loadAndInvokeHarnessClass(ModuleLoader, String, String[]) (org.renaissance.core.Launcher)

%	Samples	Callee	Location
100.0%	120	invoke(Object, Object[])	java.lang.reflect.Method

main(String[]) (org.renaissance.harness.RenaissanceSuite$)

%	Samples	Callee	Location
98.3%	117	runBenchmarks(BenchmarkSuite, Seq, Plugin$ExecutionPolicy, EventDispatcher)	org.renaissance.harness.RenaissanceSuite$
0.8%	1	<clinit>()	scala.Predef$
0.8%	1	parse(String[])	org.renaissance.harness.ConfigParser

runBenchmarks(BenchmarkSuite, Seq, Plugin$ExecutionPolicy, EventDispatcher) (org.renaissance.harness.RenaissanceSuite$)

%	Samples	Callee	Location
99.1%	116	foreach(Function1)	scala.collection.immutable.List
0.9%	1	getVmStartNanos()	org.renaissance.harness.RenaissanceSuite$

executeBenchmark() (org.renaissance.harness.ExecutionDriver)

%	Samples	Callee	Location
98.3%	114	executeOperation(int)	org.renaissance.harness.ExecutionDriver
1.7%	2	setUpBeforeAll(BenchmarkContext)	org.renaissance.jdk.concurrent.FjKmeans

runBenchmarks$$anonfun$1(BenchmarkSuite, Plugin$ExecutionPolicy, EventDispatcher, Buffer, long, BenchmarkDescriptor) (org.renaissance.harness.RenaissanceSuite$)

%	Samples	Callee	Location
100.0%	116	executeBenchmark()	org.renaissance.harness.ExecutionDriver

applyVoid(Object) (org.renaissance.harness.RenaissanceSuite$$$Lambda.0x000000a80111efe0)

%	Samples	Callee	Location
100.0%	116	runBenchmarks$$anonfun$1(BenchmarkSuite, Plugin$ExecutionPolicy, EventDispatcher, Buffer, long, BenchmarkDescriptor)	org.renaissance.harness.RenaissanceSuite$

executeOperation(int) (org.renaissance.harness.ExecutionDriver)

%	Samples	Callee	Location
97.4%	111	run(BenchmarkContext)	org.renaissance.jdk.concurrent.FjKmeans
2.6%	3	notifyAfterOperationSetUp(String, int, boolean)	org.renaissance.harness.EventDispatcher

Hottest call stacks

Call stacks ranked by samples taken in their leaf frame.

%	Samples	Call stack
23.5%	1,147	semaphore_wait_trap (libsystem_kernel.dylib) ← WorkerThread::run (libjvm.dylib) ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
8.3%	404	__psynch_cvwait (libsystem_kernel.dylib) ← Parker::park (libjvm.dylib) ← Unsafe_Park ← park(boolean, long) (jdk.internal.misc.Unsafe) ← park() (java.util.concurrent.locks.LockSupport) ← awaitWork(ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool) ← runWorker(ForkJoinPool$WorkQueue) ← run() (java.util.concurrent.ForkJoinWorkerThread)
5.1%	251	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait ← CompileQueue::get ← CompileBroker::compiler_thread_loop ← JavaThread::thread_main_inner ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	122	mach_msg2_trap (libsystem_kernel.dylib) ← mach_msg_overwrite ← mach_msg ← __CFRunLoopServiceMachPort (CoreFoundation) ← __CFRunLoopRun ← CFRunLoopRunSpecific ← CreateExecutionEnvironment (libjli.dylib) ← JLI_Launch ← main (java) ← unknown
2.5%	122	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← G1ConcurrentMarkThread::run_service ← ConcurrentGCThread::run ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	122	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformEvent::park (libjvm.dylib) ← ObjectMonitor::wait ← ObjectSynchronizer::wait ← JVM_MonitorWait ← wait0(long) (java.lang.Object) ← wait(long) ← wait() ← await() (java.lang.ref.NativeReferenceQueue) ← remove0() (java.lang.ref.ReferenceQueue) ← remove() (java.lang.ref.NativeReferenceQueue) ← run() (java.lang.ref.Finalizer$FinalizerThread)
2.5%	122	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait ← JVM_WaitForReferencePendingList ← waitForReferencePendingList() (java.lang.ref.Reference) ← processPendingReferences() ← run() (java.lang.ref.Reference$ReferenceHandler)
2.5%	122	__ulock_wait (libsystem_kernel.dylib) ← CallJavaMainInNewThread (libjli.dylib) ← ContinueInNewThread ← JLI_Launch ← main (java) ← apple_main (libjli.dylib) ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	122	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← WatcherThread::sleep ← WatcherThread::run ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	122	semaphore_wait_trap (libsystem_kernel.dylib) ← os::signal_wait (libjvm.dylib) ← signal_thread_entry ← JavaThread::thread_main_inner ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	122	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← ServiceThread::service_thread_entry ← JavaThread::thread_main_inner ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	121	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← NotificationThread::notification_thread_entry ← JavaThread::thread_main_inner ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	121	__psynch_cvwait (libsystem_kernel.dylib) ← Profiler::timerLoop (libasyncProfiler.dylib) ← JvmtiAgentThread::start_function_wrapper (libjvm.dylib) ← JavaThread::thread_main_inner ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	121	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← G1ServiceThread::wait_for_task ← G1ServiceThread::run_service ← ConcurrentGCThread::run ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.5%	121	__psynch_cvwait (libsystem_kernel.dylib) ← Parker::park (libjvm.dylib) ← Unsafe_Park ← park(boolean, long) (jdk.internal.misc.Unsafe) ← parkNanos(Object, long) (java.util.concurrent.locks.LockSupport) ← await(long, TimeUnit) (java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) ← await(long) (java.lang.ref.ReferenceQueue) ← remove0(long) ← remove(long) ← run() (jdk.internal.ref.CleanerImpl) ← runWith(Object, Runnable) (java.lang.Thread) ← run() ← run() (jdk.internal.misc.InnocuousThread)
2.5%	121	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← G1PrimaryConcurrentRefineThread::wait_for_completed_buffers ← G1ConcurrentRefineThread::run_service ← ConcurrentGCThread::run ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.4%	118	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← VMThread::wait_for_operation ← VMThread::run ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.4%	117	__psynch_cvwait (libsystem_kernel.dylib) ← PlatformMonitor::wait (libjvm.dylib) ← Monitor::wait_without_safepoint_check ← MonitorDeflationThread::monitor_deflation_thread_entry ← JavaThread::thread_main_inner ← Thread::call_run ← thread_native_entry ← _pthread_start (libsystem_pthread.dylib) ← thread_start
2.3%	110	__psynch_cvwait (libsystem_kernel.dylib) ← Parker::park (libjvm.dylib) ← Unsafe_Park ← park(boolean, long) (jdk.internal.misc.Unsafe) ← park() (java.util.concurrent.locks.LockSupport) ← awaitDone(int, long) (java.util.concurrent.ForkJoinTask) ← get() ← run(int, List, int) (org.renaissance.jdk.concurrent.JavaKMeans) ← $anonfun$1(int) (org.renaissance.jdk.concurrent.FjKmeans) ← $anonfun$adapted$1(Object) ← apply(Object) (org.renaissance.jdk.concurrent.FjKmeans$$Lambda.0x000000a80117ae68) ← map(Function1) (scala.collection.immutable.Range) ← run(BenchmarkContext) (org.renaissance.jdk.concurrent.FjKmeans) ← executeOperation(int) (org.renaissance.harness.ExecutionDriver) ← executeBenchmark() ← runBenchmarks$$anonfun$1(BenchmarkSuite, Plugin$ExecutionPolicy, EventDispatcher, Buffer, long, BenchmarkDescriptor) (org.renaissance.harness.RenaissanceSuite$) ← applyVoid(Object) (org.renaissance.harness.RenaissanceSuite$$$Lambda.0x000000a80111efe0) ← apply(Object) (scala.runtime.function.JProcedure1) ← apply(Object) ← foreach(Function1) (scala.collection.immutable.List) ← runBenchmarks(BenchmarkSuite, Seq, Plugin$ExecutionPolicy, EventDispatcher) (org.renaissance.harness.RenaissanceSuite$) ← main(String[]) ← main(String[]) (org.renaissance.harness.RenaissanceSuite) ← invokeStatic(Object, Object) (java.lang.invoke.LambdaForm$DMH.0x000000a801004800) ← invoke(Object, Object, Object) (java.lang.invoke.LambdaForm$MH.0x000000a801009800) ← invokeExact_MT(Object, Object, Object, Object) (java.lang.invoke.Invokers$Holder) ← invokeImpl(Object, Object[]) (jdk.internal.reflect.DirectMethodHandleAccessor) ← invoke(Object, Object[]) ← invoke(Object, Object[]) (java.lang.reflect.Method) ← loadAndInvokeHarnessClass(ModuleLoader, String, String[]) (org.renaissance.core.Launcher) ← launchHarnessClass(String, String[]) ← main(String[])
1.6%	77	__psynch_cvwait (libsystem_kernel.dylib) ← Parker::park (libjvm.dylib) ← Unsafe_Park ← park(boolean, long) (jdk.internal.misc.Unsafe) ← park() (java.util.concurrent.locks.LockSupport) ← awaitDone(int, long) (java.util.concurrent.ForkJoinTask) ← join() ← compute() (org.renaissance.jdk.concurrent.JavaKMeans$RangedTask) ← exec() (java.util.concurrent.RecursiveTask) ← doExec() (java.util.concurrent.ForkJoinTask) ← topLevelExec(ForkJoinTask, ForkJoinPool$WorkQueue) (java.util.concurrent.ForkJoinPool$WorkQueue) ← scan(ForkJoinPool$WorkQueue, int, int) (java.util.concurrent.ForkJoinPool) ← runWorker(ForkJoinPool$WorkQueue) ← run() (java.util.concurrent.ForkJoinWorkerThread)