Flame Graph
Reset Zoom
Search
io/netty/util/Recycler$Stack:::scavengeSome (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageDecoder:::decode (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (1 samples, 0.04%)
Interpreter (3 samples, 0.12%)
io/netty/buffer/AbstractReferenceCountedByteBuf:::release (1 samples, 0.04%)
Interpreter (101 samples, 3.87%)
Inte..
Interpreter (1,567 samples, 60.11%)
Interpreter
org/apache/spark/rpc/netty/RpcOutboxMessage:::onSuccess (5 samples, 0.19%)
java/io/ObjectInputStream$BlockDataInputStream:::readUTFSpan (1 samples, 0.04%)
copy_user_enhanced_fast_string (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv:::ask (4 samples, 0.15%)
scala/collection/IndexedSeqOptimized$class:::foreach (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::write (1 samples, 0.04%)
_new_array_nozero_Java (1 samples, 0.04%)
[libjvm.so] (88 samples, 3.38%)
[li..
Interpreter (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
org/spark_project/guava/base/Objects$ToStringHelper:::toString (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/lang/Class:::getConstructor0 (1 samples, 0.04%)
scala/collection/generic/GenTraversableFactory$GenericCanBuildFrom:::apply (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::writeNioBuffer (6 samples, 0.23%)
org/spark_project/guava/base/Objects$ToStringHelper:::toString (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv$$anonfun$deserialize$1:::apply (11 samples, 0.42%)
scala/collection/mutable/ArrayBuffer:::$plus$eq (97 samples, 3.72%)
scal..
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
scala/collection/mutable/LinkedHashMap:::put (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::transferTo (6 samples, 0.23%)
[libjvm.so] (2 samples, 0.08%)
Interpreter (3 samples, 0.12%)
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/DefaultChannelPromise:::trySuccess (2 samples, 0.08%)
org/apache/spark/rpc/netty/NettyRpcEnv:::ask (3 samples, 0.12%)
Interpreter (4 samples, 0.15%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv:::deserialize (3 samples, 0.12%)
harmonize_features (1 samples, 0.04%)
__do_softirq (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (4 samples, 0.15%)
java/util/Formatter$FormatSpecifier:::printString (1 samples, 0.04%)
[libjvm.so] (4 samples, 0.15%)
java/lang/Class:::forName0 (2 samples, 0.08%)
io/netty/channel/AbstractChannelHandlerContext:::write (4 samples, 0.15%)
[libjvm.so] (109 samples, 4.18%)
[lib..
Interpreter (1 samples, 0.04%)
[libjvm.so] (4 samples, 0.15%)
[libjvm.so] (1 samples, 0.04%)
java/util/concurrent/SynchronousQueue$TransferStack$SNode:::tryMatch (1 samples, 0.04%)
io/netty/handler/timeout/IdleStateHandler:::write (4 samples, 0.15%)
[libjvm.so] (14 samples, 0.54%)
JVM_FindClassFromCaller (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (3 samples, 0.12%)
io/netty/buffer/PooledByteBuf:::deallocate (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (4 samples, 0.15%)
scala/collection/AbstractIterator:::foreach (1 samples, 0.04%)
java/util/Formatter$FormatSpecifier:::init (1 samples, 0.04%)
sun/nio/ch/IOUtil:::write (15 samples, 0.58%)
java/util/regex/Pattern:::compile (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::flush (7 samples, 0.27%)
java/io/ObjectOutputStream$BlockDataOutputStream:::drain (67 samples, 2.57%)
ja..
io/netty/channel/socket/nio/NioSocketChannel:::doWriteFileRegion (20 samples, 0.77%)
io/netty/channel/socket/nio/NioSocketChannel:::doWriteFileRegion (6 samples, 0.23%)
org/apache/spark/network/protocol/MessageEncoder:::encode (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageEncoder:::encode (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
[libpthread-2.19.so] (3 samples, 0.12%)
scala/collection/Iterator$$anon$11:::next (17 samples, 0.65%)
io/netty/handler/timeout/IdleStateHandler:::channelRead (49 samples, 1.88%)
i..
__do_softirq (1 samples, 0.04%)
io/netty/handler/codec/MessageToMessageEncoder:::write (1 samples, 0.04%)
java/io/ObjectStreamClass:::newInstance (1 samples, 0.04%)
io/netty/channel/DefaultChannelPipeline$HeadContext:::flush (7 samples, 0.27%)
pvclock_clocksource_read (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (2 samples, 0.08%)
java/io/ObjectStreamClass:::readNonProxy (1 samples, 0.04%)
Java_java_lang_StrictMath_log (1 samples, 0.04%)
io/netty/util/Recycler$WeakOrderQueue:::add (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
io/netty/buffer/SlicedByteBuf:::nioBuffer (1 samples, 0.04%)
java/lang/InheritableThreadLocal:::getMap (1 samples, 0.04%)
io/netty/channel/nio/NioEventLoop:::select (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
_new_instance_Java (1 samples, 0.04%)
io/netty/buffer/AbstractReferenceCountedByteBuf:::release (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::flush (7 samples, 0.27%)
Interpreter (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::writeAndFlush (2 samples, 0.08%)
org/apache/spark/network/buffer/NettyManagedBuffer:::toString (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
java/net/URLClassLoader:::findClass (1 samples, 0.04%)
scala/concurrent/impl/CallbackRunnable:::run (2 samples, 0.08%)
org/apache/spark/network/server/TransportChannelHandler:::channelRead0 (49 samples, 1.88%)
o..
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject (11 samples, 0.42%)
Interpreter (2,248 samples, 86.23%)
Interpreter
Interpreter (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv$$anonfun$deserialize$1:::apply (3 samples, 0.12%)
io/netty/channel/AbstractChannelHandlerContext:::flush (9 samples, 0.35%)
start_xmit (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
[libjvm.so] (2 samples, 0.08%)
java/util/Formatter$FormatSpecifier:::printString (2 samples, 0.08%)
sun/misc/Unsafe:::copyMemory (1 samples, 0.04%)
io/netty/buffer/Unpooled:::wrappedBuffer (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject (4 samples, 0.15%)
io/netty/channel/AbstractChannelHandlerContext:::flush (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (1,733 samples, 66.47%)
Interpreter
Interpreter (1 samples, 0.04%)
[libjvm.so] (29 samples, 1.11%)
io/netty/channel/AbstractChannel$AbstractUnsafe:::flush0 (20 samples, 0.77%)
io/netty/channel/AbstractChannelHandlerContext:::flush (1 samples, 0.04%)
call_stub (2 samples, 0.08%)
__free_pages_ok (1 samples, 0.04%)
scala/collection/Iterator$$anon$11:::next (1,320 samples, 50.63%)
scala/collection/Iterator$$anon$11:::next
[unknown] (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (15 samples, 0.58%)
io/netty/channel/AbstractChannelHandlerContext:::writeAndFlush (1 samples, 0.04%)
io/netty/util/Recycler$DefaultHandle:::recycle (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
Interpreter (3 samples, 0.12%)
__d_lookup_rcu (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
down_read_trylock (1 samples, 0.04%)
__sk_run_filter (1 samples, 0.04%)
java/util/HashMap:::put (1 samples, 0.04%)
java/lang/Class:::forName0 (2 samples, 0.08%)
org/apache/spark/serializer/JavaSerializationStream:::writeObject (364 samples, 13.96%)
org/apache/spark/seri..
io/netty/buffer/PoolArena:::allocate (5 samples, 0.19%)
_raw_spin_unlock_irqrestore (1 samples, 0.04%)
java/util/Formatter$FormatSpecifier:::print (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
io/netty/buffer/AbstractByteBuf:::readLong (1 samples, 0.04%)
scala/concurrent/impl/Promise$DefaultPromise:::result (1 samples, 0.04%)
scala/collection/AbstractIterable:::foreach (2 samples, 0.08%)
io/netty/channel/AbstractChannelHandlerContext:::write (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libc-2.19.so] (1 samples, 0.04%)
java/io/ObjectStreamClass:::invokeWriteReplace (1 samples, 0.04%)
__do_softirq (1 samples, 0.04%)
io/netty/channel/DefaultChannelPipeline$HeadContext:::flush (9 samples, 0.35%)
java/io/ObjectInputStream:::readObject0 (4 samples, 0.15%)
[libjvm.so] (1 samples, 0.04%)
[libc-2.19.so] (4 samples, 0.15%)
[libjvm.so] (9 samples, 0.35%)
counter_overflow Runtime1 stub (1 samples, 0.04%)
io/netty/channel/AbstractChannel$AbstractUnsafe:::flush0 (25 samples, 0.96%)
_raw_spin_unlock_irqrestore (2 samples, 0.08%)
java/io/ObjectOutputStream$BlockDataOutputStream:::writeBlockHeader (7 samples, 0.27%)
java/io/ObjectInputStream:::readObject0 (3 samples, 0.12%)
vtable stub (1 samples, 0.04%)
jbyte_disjoint_arraycopy (7 samples, 0.27%)
Interpreter (1 samples, 0.04%)
JVM_DoPrivileged (1 samples, 0.04%)
Interpreter (44 samples, 1.69%)
io/netty/buffer/AbstractByteBuf:::nioBuffer (1 samples, 0.04%)
scala/collection/TraversableOnce$class:::toArray (1,708 samples, 65.52%)
scala/collection/TraversableOnce$class:::toArray
Interpreter (1 samples, 0.04%)
sun/misc/Unsafe:::copyMemory (6 samples, 0.23%)
Interpreter (1 samples, 0.04%)
scala/collection/TraversableLike$$anonfun$map$1:::apply (2 samples, 0.08%)
Interpreter (6 samples, 0.23%)
__lll_unlock_wake (1 samples, 0.04%)
java/nio/Bits:::copyFromArray (6 samples, 0.23%)
[libjvm.so] (6 samples, 0.23%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/ChannelOutboundHandlerAdapter:::flush (7 samples, 0.27%)
io/netty/channel/AbstractChannel$AbstractUnsafe:::flush0 (1 samples, 0.04%)
io/netty/channel/ChannelOutboundHandlerAdapter:::flush (9 samples, 0.35%)
scala/collection/mutable/HashMap:::put (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (3 samples, 0.12%)
java/io/ObjectOutputStream:::writeObject0 (2 samples, 0.08%)
scala/Array$:::slowcopy (119 samples, 4.56%)
scala..
java/nio/Bits:::copyFromArray (14 samples, 0.54%)
Interpreter (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEndpointRef:::ask (4 samples, 0.15%)
__do_page_fault (1 samples, 0.04%)
Interpreter (1,764 samples, 67.66%)
Interpreter
scala/concurrent/Future$InternalCallbackExecutor$:::execute (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv$$anonfun$3:::apply (2 samples, 0.08%)
_raw_spin_unlock_irqrestore (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
io/netty/util/concurrent/SingleThreadEventExecutor:::isShuttingDown (1 samples, 0.04%)
io/netty/channel/nio/AbstractNioChannel$AbstractNioUnsafe:::flush0 (9 samples, 0.35%)
io/netty/channel/DefaultChannelPromise:::addListener (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv:::postToOutbox (2 samples, 0.08%)
Interpreter (1,567 samples, 60.11%)
Interpreter
[libjvm.so] (1 samples, 0.04%)
Java_java_io_ObjectOutputStream_doublesToBytes (4 samples, 0.15%)
get_page_from_freelist (2 samples, 0.08%)
java/io/ObjectOutputStream:::defaultWriteObject (1 samples, 0.04%)
Interpreter (3 samples, 0.12%)
java/io/ObjectInputStream:::readSerialData (2 samples, 0.08%)
java/util/Formatter$FormatSpecifier:::conversion (1 samples, 0.04%)
java/io/ObjectOutputStream$BlockDataOutputStream:::write (71 samples, 2.72%)
ja..
org/apache/spark/network/client/TransportClient:::sendRpc (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::fireChannelRead (54 samples, 2.07%)
i..
[libjvm.so] (6 samples, 0.23%)
org/apache/spark/network/util/TransportFrameDecoder:::channelRead (54 samples, 2.07%)
o..
mprotect (1 samples, 0.04%)
java/lang/Class:::forName0 (1 samples, 0.04%)
Interpreter (1,567 samples, 60.11%)
Interpreter
java/io/ObjectOutputStream:::defaultWriteFields (1 samples, 0.04%)
org/apache/spark/serializer/JavaSerializerInstance:::serialize (365 samples, 14.00%)
org/apache/spark/seri..
Java_java_lang_ClassLoader_defineClass1 (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::validatePromise (1 samples, 0.04%)
org/apache/spark/serializer/JavaSerializerInstance:::serialize (2 samples, 0.08%)
java/lang/ClassLoader:::defineClass1 (1 samples, 0.04%)
clear_page_c_e (16 samples, 0.61%)
java/lang/Long:::parseLong (1 samples, 0.04%)
java/nio/DirectByteBuffer:::put (1 samples, 0.04%)
io/netty/channel/socket/nio/NioSocketChannel:::doWrite (7 samples, 0.27%)
java/io/ObjectInputStream:::readObject0 (6 samples, 0.23%)
Interpreter (2 samples, 0.08%)
do_futex (1 samples, 0.04%)
org/spark_project/guava/base/Objects$ToStringHelper:::toString (1 samples, 0.04%)
io/netty/channel/DefaultChannelPipeline$HeadContext:::flush (20 samples, 0.77%)
org/apache/spark/network/client/TransportResponseHandler:::handle (5 samples, 0.19%)
java/nio/DirectByteBuffer:::put (6 samples, 0.23%)
io/netty/util/concurrent/DefaultPromise:::notifyListener0 (1 samples, 0.04%)
java/lang/Class:::forName0 (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (8 samples, 0.31%)
java/io/ObjectInputStream:::defaultReadFields (3 samples, 0.12%)
[libjvm.so] (66 samples, 2.53%)
[l..
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/nio/NioEventLoop:::processSelectedKey (86 samples, 3.30%)
io/..
java/lang/StrictMath:::log (12 samples, 0.46%)
java/util/regex/Pattern:::init (1 samples, 0.04%)
JVM_FindClassFromCaller (1 samples, 0.04%)
io/netty/buffer/PoolArena:::free (1 samples, 0.04%)
itable stub (1 samples, 0.04%)
org/apache/spark/util/Utils$:::tryOrIOException (7 samples, 0.27%)
Interpreter (1,759 samples, 67.47%)
Interpreter
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::fireChannelRead (49 samples, 1.88%)
i..
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
pthread_cond_signal@@GLIBC_2.3.2 (1 samples, 0.04%)
scala/concurrent/impl/CallbackRunnable:::run (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject (2 samples, 0.08%)
java/io/ObjectOutputStream$BlockDataOutputStream:::writeDoubles (263 samples, 10.09%)
java/io/Object..
org/apache/spark/rpc/netty/RpcOutboxMessage:::sendWith (1 samples, 0.04%)
java/lang/Class:::forName0 (1 samples, 0.04%)
__do_softirq (1 samples, 0.04%)
java/nio/DirectByteBuffer:::put (15 samples, 0.58%)
scala/collection/mutable/LinkedHashMap:::$plus$eq (1 samples, 0.04%)
fsnotify (1 samples, 0.04%)
page_add_new_anon_rmap (1 samples, 0.04%)
io/netty/buffer/UnpooledHeapByteBuf:::nioBuffer (1 samples, 0.04%)
io/netty/channel/ChannelOutboundBuffer:::remove (1 samples, 0.04%)
org/apache/spark/network/client/TransportClient:::sendRpc (1 samples, 0.04%)
scala/collection/mutable/HashMap:::get (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
scala/Array$:::copy (119 samples, 4.56%)
scala..
scala/collection/mutable/ArrayBuffer:::copyToArray (119 samples, 4.56%)
scala..
io/netty/channel/ChannelDuplexHandler:::flush (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (5 samples, 0.19%)
I2C/C2I adapters (1 samples, 0.04%)
java/util/concurrent/ConcurrentHashMap:::putIfAbsent (1 samples, 0.04%)
sun/nio/ch/SocketChannelImpl:::write (16 samples, 0.61%)
io/netty/buffer/AbstractReferenceCountedByteBuf:::release (1 samples, 0.04%)
java/lang/reflect/Method:::invoke (1 samples, 0.04%)
io/netty/channel/AbstractChannel:::writeAndFlush (2 samples, 0.08%)
[libjvm.so] (35 samples, 1.34%)
Interpreter (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (6 samples, 0.23%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/io/ObjectOutputStream:::write (98 samples, 3.76%)
java..
__copy_skb_header (1 samples, 0.04%)
Interpreter (44 samples, 1.69%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (6 samples, 0.23%)
io/netty/util/ResourceLeakDetector:::open (1 samples, 0.04%)
io/netty/buffer/PooledByteBuf:::deallocate (1 samples, 0.04%)
[libjvm.so] (20 samples, 0.77%)
scala/collection/AbstractIterator:::foreach (1,567 samples, 60.11%)
scala/collection/AbstractIterator:::foreach
Interpreter (6 samples, 0.23%)
io/netty/util/concurrent/DefaultPromise:::notifyListeners (2 samples, 0.08%)
java/io/ObjectInputStream:::readObject0 (2 samples, 0.08%)
resolve_static_call (1 samples, 0.04%)
[libjvm.so] (19 samples, 0.73%)
sun/nio/ch/SocketChannelImpl:::write (1 samples, 0.04%)
org/apache/spark/network/protocol/RpcRequest:::encode (1 samples, 0.04%)
scala/collection/mutable/FlatHashTable$class:::tableDebug (1 samples, 0.04%)
scala/collection/mutable/WrappedArray:::foreach (2 samples, 0.08%)
io/netty/channel/socket/nio/NioSocketChannel:::doWrite (1 samples, 0.04%)
I2C/C2I adapters (1 samples, 0.04%)
iowrite16 (2 samples, 0.08%)
io/netty/channel/DefaultChannelPipeline$HeadContext:::flush (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::flush (7 samples, 0.27%)
scala/Option:::map (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject0 (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (1 samples, 0.04%)
org/apache/spark/storage/BlockInfoManager:::unlock (1 samples, 0.04%)
io/netty/channel/SimpleChannelInboundHandler:::channelRead (49 samples, 1.88%)
i..
scala/collection/mutable/FlatHashTable$class:::addEntry (1 samples, 0.04%)
org/apache/spark/storage/BlockInfoManager:::unlock (1 samples, 0.04%)
sun/reflect/GeneratedMethodAccessor1:::invoke (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
scala/concurrent/Await$$anonfun$result$1:::apply (1 samples, 0.04%)
io/netty/handler/timeout/IdleStateHandler:::write (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
java/lang/ThreadLocal:::get (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/util/HashMap:::newNode (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/io/ObjectStreamClass:::readNonProxy (1 samples, 0.04%)
java/io/ObjectStreamClass:::initNonProxy (1 samples, 0.04%)
java/lang/ClassLoader:::loadClass (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/lang/AbstractStringBuilder:::append (1 samples, 0.04%)
org/spark_project/guava/util/concurrent/MoreExecutors$SameThreadExecutorService:::execute (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
JVM_FindClassFromCaller (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/socket/nio/NioSocketChannel:::doWrite (20 samples, 0.77%)
Interpreter (7 samples, 0.27%)
[libjvm.so] (1 samples, 0.04%)
org/apache/spark/serializer/JavaSerializerInstance:::serialize (1 samples, 0.04%)
[libjvm.so] (3 samples, 0.12%)
java/nio/DirectByteBuffer:::put (19 samples, 0.73%)
scala/concurrent/impl/Promise$DefaultPromise:::ready (1 samples, 0.04%)
scala/collection/mutable/ArrayBuffer:::$plus$eq (30 samples, 1.15%)
[libjvm.so] (1 samples, 0.04%)
memset (21 samples, 0.81%)
Interpreter (2 samples, 0.08%)
InlineCacheBuffer (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::deallocate (1 samples, 0.04%)
sun/nio/ch/SocketDispatcher:::read (1 samples, 0.04%)
Interpreter (101 samples, 3.87%)
Inte..
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (3 samples, 0.12%)
[libjvm.so] (2 samples, 0.08%)
sun/misc/Unsafe:::copyMemory (14 samples, 0.54%)
java/util/regex/Pattern:::matcher (1 samples, 0.04%)
java/nio/Bits:::copyFromArray (19 samples, 0.73%)
Interpreter (1 samples, 0.04%)
scala/collection/mutable/HashMap:::tableSize (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
sun/nio/ch/SocketChannelImpl:::read (1 samples, 0.04%)
java/lang/ClassLoader:::defineClass (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/socket/nio/NioSocketChannel:::doReadBytes (1 samples, 0.04%)
memset (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (3 samples, 0.12%)
[libjvm.so] (2,444 samples, 93.75%)
[libjvm.so]
org/apache/spark/network/protocol/MessageWithHeader:::copyByteBuf (18 samples, 0.69%)
clear_page_c_e (3 samples, 0.12%)
java/lang/Integer:::numberOfLeadingZeros (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::writeNioBuffer (16 samples, 0.61%)
_new_array_Java (18 samples, 0.69%)
Interpreter (2 samples, 0.08%)
scala/collection/mutable/LinkedHashMap:::$plus$eq (1 samples, 0.04%)
scala/collection/mutable/HashTable$class:::findOrAddEntry (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv$$anonfun$deserialize$1$$anonfun$apply$1:::apply (11 samples, 0.42%)
io/netty/buffer/PooledByteBuf:::deallocate (1 samples, 0.04%)
[libc-2.19.so] (1 samples, 0.04%)
[libjvm.so] (9 samples, 0.35%)
mod_timer (1 samples, 0.04%)
__isnan (28 samples, 1.07%)
[libjvm.so] (8 samples, 0.31%)
io/netty/channel/nio/NioEventLoop:::processSelectedKeys (86 samples, 3.30%)
io/..
io/netty/channel/nio/AbstractNioByteChannel:::doWrite (1 samples, 0.04%)
Java_java_lang_StrictMath_log (11 samples, 0.42%)
Interpreter (1 samples, 0.04%)
java/io/ObjectStreamClass:::readNonProxy (1 samples, 0.04%)
io/netty/buffer/PoolChunkList:::allocate (5 samples, 0.19%)
Interpreter (1 samples, 0.04%)
io/netty/buffer/PooledByteBufAllocator:::newHeapBuffer (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
oop_disjoint_arraycopy (13 samples, 0.50%)
Interpreter (7 samples, 0.27%)
scala/runtime/BoxesRunTime:::hashFromNumber (1 samples, 0.04%)
io/netty/channel/socket/nio/NioSocketChannel:::doWriteFileRegion (19 samples, 0.73%)
scala/collection/mutable/ArrayOps$ofRef:::map (1 samples, 0.04%)
io/netty/channel/nio/AbstractNioByteChannel$NioByteUnsafe:::read (60 samples, 2.30%)
i..
[libjvm.so] (23 samples, 0.88%)
scala/collection/Iterator$class:::foreach (1 samples, 0.04%)
java/nio/DirectByteBuffer:::put (1 samples, 0.04%)
Java_java_lang_Class_forName0 (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject (6 samples, 0.23%)
Interpreter (1 samples, 0.04%)
io/netty/util/internal/RecyclableArrayList:::add (1 samples, 0.04%)
io/netty/buffer/PooledHeapByteBuf:::_setInt (1 samples, 0.04%)
io/netty/buffer/SlicedByteBuf:::unwrap (1 samples, 0.04%)
$line30/$read$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$anonfun$1:::apply (11 samples, 0.42%)
[libjvm.so] (6 samples, 0.23%)
scala/collection/TraversableLike$$anonfun$map$1:::apply (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
org/apache/spark/util/Utils$:::tryOrIOException (101 samples, 3.87%)
org/..
io/netty/channel/socket/nio/NioSocketChannel:::doWrite (25 samples, 0.96%)
sun/nio/ch/SocketChannelImpl:::write (6 samples, 0.23%)
java/io/ObjectOutputStream:::writeObject (364 samples, 13.96%)
java/io/ObjectOutputS..
Interpreter (4 samples, 0.15%)
Interpreter (1 samples, 0.04%)
io/netty/channel/DefaultChannelPromise:::trySuccess (7 samples, 0.27%)
org/apache/spark/network/util/TransportFrameDecoder:::decodeFrameSize (1 samples, 0.04%)
io/netty/channel/nio/AbstractNioByteChannel:::doWrite (7 samples, 0.27%)
org/apache/spark/rpc/netty/NettyRpcEnv:::postToOutbox (2 samples, 0.08%)
slow_subtype_check Runtime1 stub (1 samples, 0.04%)
virtqueue_get_buf (1 samples, 0.04%)
scala/collection/mutable/ArrayBuffer:::init (1 samples, 0.04%)
java/util/LinkedList:::poll (1 samples, 0.04%)
sun/security/provider/DigestBase:::engineUpdate (1 samples, 0.04%)
scala/collection/mutable/HashMap:::removeEntry (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
org/spark_project/guava/base/Objects:::simpleName (1 samples, 0.04%)
io/netty/handler/codec/MessageToMessageEncoder:::write (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject0 (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (3 samples, 0.12%)
[libjvm.so] (1 samples, 0.04%)
scala/collection/generic/Growable$class:::$plus$plus$eq (1,567 samples, 60.11%)
scala/collection/generic/Growable$class:::$plus$plus$eq
scala/collection/mutable/HashTable$class:::findOrAddEntry (1 samples, 0.04%)
Interpreter (1,567 samples, 60.11%)
Interpreter
io/netty/channel/AbstractChannel$AbstractUnsafe:::flush0 (9 samples, 0.35%)
Interpreter (21 samples, 0.81%)
[libjvm.so] (1 samples, 0.04%)
scala/concurrent/impl/ExecutionContextImpl$$anon$1:::execute (1 samples, 0.04%)
scala/collection/mutable/AbstractMap:::$plus$plus$eq (2 samples, 0.08%)
io/netty/buffer/AbstractReferenceCountedByteBuf:::release (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeClassDesc (1 samples, 0.04%)
Interpreter (1,736 samples, 66.59%)
Interpreter
org/apache/spark/network/protocol/RpcResponse:::toString (1 samples, 0.04%)
scala/util/DynamicVariable:::withValue (12 samples, 0.46%)
[libjvm.so] (1 samples, 0.04%)
org/apache/spark/rpc/netty/Outbox:::send (2 samples, 0.08%)
__vdso_clock_gettime (3 samples, 0.12%)
java/nio/DirectByteBuffer:::put (19 samples, 0.73%)
java/util/concurrent/ThreadPoolExecutor:::execute (1 samples, 0.04%)
java/lang/String:::intern (1 samples, 0.04%)
io/netty/channel/nio/AbstractNioByteChannel:::doWrite (25 samples, 0.96%)
io/netty/buffer/PoolArena:::free (1 samples, 0.04%)
org/spark_project/guava/base/Objects$ToStringHelper:::toString (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::write (4 samples, 0.15%)
scala/collection/mutable/HashMap:::index (1 samples, 0.04%)
JVM_FindClassFromCaller (2 samples, 0.08%)
JVM_DefineClassWithSource (1 samples, 0.04%)
scala/collection/immutable/List:::foreach (1 samples, 0.04%)
io/netty/channel/ChannelDuplexHandler:::flush (9 samples, 0.35%)
java/io/ObjectOutputStream:::writeObject0 (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
org/spark_project/guava/base/Objects:::simpleName (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (2 samples, 0.08%)
scala/collection/mutable/ResizableArray$class:::copyToArray (119 samples, 4.56%)
scala..
Interpreter (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (4 samples, 0.15%)
io/netty/channel/AbstractChannel:::writeAndFlush (1 samples, 0.04%)
sun/nio/ch/SelectionKeyImpl:::interestOps (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
org/apache/spark/rpc/netty/Outbox:::org$apache$spark$rpc$netty$Outbox$$drainOutbox (2 samples, 0.08%)
io/netty/channel/nio/AbstractNioByteChannel:::doWrite (20 samples, 0.77%)
java/io/ObjectInputStream:::readObject (3 samples, 0.12%)
Interpreter (21 samples, 0.81%)
mprotect (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (11 samples, 0.42%)
io/netty/channel/AbstractChannelHandlerContext:::write (1 samples, 0.04%)
[libjvm.so] (18 samples, 0.69%)
java/nio/ByteBuffer:::init (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (2 samples, 0.08%)
free_pages_prepare (1 samples, 0.04%)
JVM_InternString (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::writeAndFlush (21 samples, 0.81%)
org/apache/spark/network/util/TransportFrameDecoder:::decodeNext (2 samples, 0.08%)
io/netty/util/internal/RecyclableMpscLinkedQueueNode:::unlink (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
java/lang/Long:::reverseBytes (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::flush (9 samples, 0.35%)
[libjvm.so] (1 samples, 0.04%)
tcp_write_xmit (1 samples, 0.04%)
Interpreter (2,247 samples, 86.19%)
Interpreter
io/netty/buffer/PoolChunk:::initBuf (3 samples, 0.12%)
io/netty/channel/AbstractChannelHandlerContext$WriteAndFlushTask:::recycle (2 samples, 0.08%)
org/apache/spark/rpc/netty/RpcOutboxMessage:::sendWith (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject0 (364 samples, 13.96%)
java/io/ObjectOutputS..
java/io/ObjectOutputStream:::writeObject0 (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
sun/nio/ch/SelectorImpl:::lockAndDoSelect (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::flush (20 samples, 0.77%)
io/netty/channel/nio/AbstractNioChannel$AbstractNioUnsafe:::flush0 (7 samples, 0.27%)
scala/util/DynamicVariable:::withValue (3 samples, 0.12%)
[unknown] (2 samples, 0.08%)
[libjvm.so] (4 samples, 0.15%)
sun/reflect/DelegatingMethodAccessorImpl:::invoke (1 samples, 0.04%)
scala/util/matching/Regex:::runMatcher (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
java/util/HashMap:::resize (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject0 (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
io/netty/util/concurrent/DefaultPromise:::notifyListener0 (7 samples, 0.27%)
[libjvm.so] (15 samples, 0.58%)
org/apache/spark/rpc/netty/NettyRpcEnv:::org$apache$spark$rpc$netty$NettyRpcEnv$$onSuccess$1 (2 samples, 0.08%)
memset (18 samples, 0.69%)
Interpreter (42 samples, 1.61%)
io/netty/channel/nio/AbstractNioChannel$AbstractNioUnsafe:::flush0 (1 samples, 0.04%)
Interpreter (1,567 samples, 60.11%)
Interpreter
Interpreter (1 samples, 0.04%)
Interpreter (3 samples, 0.12%)
ic_miss_stub (1 samples, 0.04%)
scala/util/matching/Regex:::unapplySeq (1 samples, 0.04%)
java/util/UUID:::randomUUID (1 samples, 0.04%)
sun/nio/ch/SelectionKeyImpl:::ensureValid (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
io/netty/channel/AbstractChannelHandlerContext:::flush (20 samples, 0.77%)
[libjvm.so] (188 samples, 7.21%)
[libjvm.so]
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectStreamClass:::initNonProxy (2 samples, 0.08%)
all (2,607 samples, 100%)
java/io/ObjectInputStream:::readSerialData (2 samples, 0.08%)
io/netty/util/AbstractReferenceCounted:::release (1 samples, 0.04%)
do_futex (1 samples, 0.04%)
$line30/$read$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$anonfun$1:::apply (43 samples, 1.65%)
io/netty/buffer/PooledByteBuf:::init (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
virtqueue_get_buf (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (5 samples, 0.19%)
Java_java_io_ObjectOutputStream_doublesToBytes (151 samples, 5.79%)
Java_ja..
java/io/ObjectInputStream:::readObject0 (5 samples, 0.19%)
org/spark_project/guava/base/Objects:::toStringHelper (1 samples, 0.04%)
io/netty/handler/timeout/IdleStateHandler:::write (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
virtqueue_kick_prepare (1 samples, 0.04%)
io/netty/channel/ChannelDuplexHandler:::flush (20 samples, 0.77%)
org/apache/spark/network/protocol/RpcResponse:::toString (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeExternalData (101 samples, 3.87%)
java..
io/netty/buffer/PooledByteBuf:::deallocate (1 samples, 0.04%)
org/apache/spark/rpc/netty/Outbox:::send (2 samples, 0.08%)
__vdso_clock_gettime (1 samples, 0.04%)
io/netty/buffer/AbstractByteBufAllocator:::directBuffer (5 samples, 0.19%)
sun/misc/Unsafe:::copyMemory (19 samples, 0.73%)
[libjava.so] (567 samples, 21.75%)
[libjava.so]
scala/collection/IndexedSeqOptimized$class:::foreach (2 samples, 0.08%)
java/io/ObjectStreamClass:::initNonProxy (1 samples, 0.04%)
java/lang/reflect/Constructor:::init (1 samples, 0.04%)
io/netty/buffer/PoolArena:::free (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
java/io/ObjectInputStream:::defaultReadFields (2 samples, 0.08%)
slow_subtype_check Runtime1 stub (1 samples, 0.04%)
scala/reflect/ClassTag$:::apply (1 samples, 0.04%)
Java_java_lang_Class_forName0 (1 samples, 0.04%)
[libjvm.so] (14 samples, 0.54%)
io/netty/channel/AbstractChannelHandlerContext:::write (2 samples, 0.08%)
[libjvm.so] (16 samples, 0.61%)
java/io/ObjectOutputStream:::doublesToBytes (187 samples, 7.17%)
java/io/O..
org/apache/spark/rpc/netty/NettyRpcEndpointRef:::ask (3 samples, 0.12%)
java/io/ObjectOutputStream$HandleTable:::clear (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::write (1 samples, 0.04%)
sun/nio/ch/SocketChannelImpl:::write (20 samples, 0.77%)
[libjvm.so] (1 samples, 0.04%)
io/netty/buffer/PoolArena:::free (1 samples, 0.04%)
java/util/Formatter$FormatSpecifier:::print (1 samples, 0.04%)
[libjvm.so] (25 samples, 0.96%)
org/apache/spark/network/buffer/NettyManagedBuffer:::toString (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
__schedule (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::deallocate (4 samples, 0.15%)
Interpreter (98 samples, 3.76%)
Inte..
Interpreter (3 samples, 0.12%)
java/util/HashMap:::put (1 samples, 0.04%)
start_thread (2,545 samples, 97.62%)
start_thread
Interpreter (3 samples, 0.12%)
[libjvm.so] (186 samples, 7.13%)
[libjvm.so]
[libjvm.so] (1 samples, 0.04%)
skb_release_data (1 samples, 0.04%)
kmem_cache_alloc_node_trace (1 samples, 0.04%)
io/netty/channel/AbstractChannel$AbstractUnsafe:::flush0 (7 samples, 0.27%)
java/nio/DirectByteBuffer:::put (15 samples, 0.58%)
org/apache/spark/serializer/JavaSerializationStream:::writeObject (1 samples, 0.04%)
io/netty/channel/ChannelOutboundHandlerAdapter:::flush (20 samples, 0.77%)
scala/collection/IndexedSeqOptimized$class:::foreach (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
java/lang/ClassLoader:::loadClass (1 samples, 0.04%)
org/apache/spark/network/protocol/RpcResponse:::toString (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
scala/collection/mutable/HashMap:::findEntry (1 samples, 0.04%)
jlong_disjoint_arraycopy (1 samples, 0.04%)
scala/collection/AbstractTraversable:::genericBuilder (1 samples, 0.04%)
io/netty/buffer/PooledUnsafeDirectByteBuf:::init (1 samples, 0.04%)
scala/concurrent/impl/Promise$DefaultPromise:::tryComplete (2 samples, 0.08%)
java/nio/DirectByteBuffer:::put (6 samples, 0.23%)
io/netty/util/concurrent/DefaultPromise:::notifyListeners (7 samples, 0.27%)
java/io/ObjectInputStream:::readSerialData (1 samples, 0.04%)
I2C/C2I adapters (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
java (2,607 samples, 100.00%)
java
pthread_cond_signal@@GLIBC_2.3.2 (2 samples, 0.08%)
pthread_cond_timedwait@@GLIBC_2.3.2 (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (7 samples, 0.27%)
Interpreter (1,743 samples, 66.86%)
Interpreter
io/netty/buffer/PooledByteBufAllocator:::newDirectBuffer (5 samples, 0.19%)
io/netty/util/AbstractReferenceCounted:::release (4 samples, 0.15%)
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (3 samples, 0.12%)
[libjava.so] (612 samples, 23.48%)
[libjava.so]
Interpreter (1 samples, 0.04%)
io/netty/buffer/PoolArena:::allocateNormal (5 samples, 0.19%)
io/netty/channel/socket/nio/NioSocketChannel:::doWrite (9 samples, 0.35%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
sun/nio/ch/IOUtil:::readIntoNativeBuffer (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::transferTo (20 samples, 0.77%)
io/netty/util/Recycler$Stack:::pop (1 samples, 0.04%)
org/apache/spark/rpc/RpcEndpointRef:::askWithRetry (1 samples, 0.04%)
tcp_parse_md5sig_option (1 samples, 0.04%)
java/io/ObjectOutputStream$BlockDataOutputStream:::drain (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Java_java_lang_Class_forName0 (1 samples, 0.04%)
io/netty/buffer/AbstractByteBuf:::nioBuffer (1 samples, 0.04%)
vtable stub (1 samples, 0.04%)
Interpreter (7 samples, 0.27%)
scala/concurrent/BlockContext$DefaultBlockContext$:::blockOn (1 samples, 0.04%)
java/io/ObjectStreamClass:::getReflector (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext$WriteAndFlushTask:::write (13 samples, 0.50%)
virtqueue_add_outbuf (1 samples, 0.04%)
jbyte_disjoint_arraycopy (33 samples, 1.27%)
I2C/C2I adapters (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (2,133 samples, 81.82%)
Interpreter
java/io/ObjectInputStream:::defaultReadFields (1 samples, 0.04%)
_raw_spin_lock (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/util/Formatter:::parse (2 samples, 0.08%)
itable stub (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (6 samples, 0.23%)
scala/concurrent/duration/Duration:::$greater (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/util/regex/Pattern:::sequence (1 samples, 0.04%)
io/netty/util/Recycler$WeakOrderQueue:::transfer (1 samples, 0.04%)
scala/collection/AbstractTraversable:::map (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
Java_java_lang_Class_forName0 (1 samples, 0.04%)
java/lang/reflect/Method:::invoke (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
__pthread_mutex_unlock_usercnt (1 samples, 0.04%)
io/netty/channel/nio/AbstractNioByteChannel:::doWrite (9 samples, 0.35%)
Interpreter (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject0 (1 samples, 0.04%)
[libjvm.so] (32 samples, 1.23%)
io/netty/channel/AbstractChannelHandlerContext:::write (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv:::deserialize (12 samples, 0.46%)
Interpreter (1 samples, 0.04%)
sun/nio/ch/IOUtil:::write (19 samples, 0.73%)
java/util/regex/Pattern:::sequence (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
pthread_cond_timedwait@@GLIBC_2.3.2 (3 samples, 0.12%)
inet_ehashfn (1 samples, 0.04%)
[unknown] (50 samples, 1.92%)
[..
org/spark_project/guava/base/Objects$ToStringHelper:::toString (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
org/apache/spark/network/buffer/NettyManagedBuffer:::release (1 samples, 0.04%)
scala/collection/generic/Growable$$anonfun$$plus$plus$eq$1:::apply (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
scala/util/DynamicVariable:::withValue (3 samples, 0.12%)
java/lang/String:::intern (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject (1 samples, 0.04%)
[libjvm.so] (54 samples, 2.07%)
[..
io/netty/channel/nio/AbstractNioChannel$AbstractNioUnsafe:::flush0 (20 samples, 0.77%)
__do_softirq (1 samples, 0.04%)
org/apache/spark/executor/Executor:::org$apache$spark$executor$Executor$$computeTotalGcTime (2 samples, 0.08%)
[libjvm.so] (2,545 samples, 97.62%)
[libjvm.so]
io/netty/channel/ChannelOutboundBuffer:::remove (8 samples, 0.31%)
io/netty/util/AbstractReferenceCounted:::release (1 samples, 0.04%)
iowrite16 (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageEncoder:::encode (1 samples, 0.04%)
io/netty/channel/ChannelDuplexHandler:::flush (7 samples, 0.27%)
Interpreter (2,248 samples, 86.23%)
Interpreter
skb_split (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject (1 samples, 0.04%)
sun/nio/ch/IOUtil:::read (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext$AbstractWriteTask:::run (13 samples, 0.50%)
Interpreter (11 samples, 0.42%)
free_pages_prepare (1 samples, 0.04%)
scala/collection/Iterator$class:::foreach (1 samples, 0.04%)
JVM_FindClassFromCaller (2 samples, 0.08%)
scala/collection/TraversableOnce$class:::toArray (141 samples, 5.41%)
scala/c..
__do_softirq (1 samples, 0.04%)
org/apache/spark/network/client/TransportClient:::sendRpc (1 samples, 0.04%)
_new_instance_Java (1 samples, 0.04%)
scala/collection/mutable/HashMap:::elemHashCode (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject (3 samples, 0.12%)
java/lang/ClassLoader:::loadClass (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (2,514 samples, 96.43%)
[libjvm.so]
scala/util/DynamicVariable:::withValue (11 samples, 0.42%)
io/netty/channel/AbstractChannelHandlerContext:::fireChannelRead (51 samples, 1.96%)
i..
org/apache/spark/serializer/JavaDeserializationStream:::readObject (4 samples, 0.15%)
itable stub (1 samples, 0.04%)
java/security/AccessController:::doPrivileged (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (6 samples, 0.23%)
io/netty/handler/codec/MessageToMessageDecoder:::channelRead (51 samples, 1.96%)
i..
java/util/regex/Matcher:::match (1 samples, 0.04%)
Interpreter (18 samples, 0.69%)
Interpreter (7 samples, 0.27%)
scala/collection/mutable/ArrayOps$ofRef:::map (3 samples, 0.12%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/lang/Class:::forName0 (1 samples, 0.04%)
java/io/ObjectStreamClass$FieldReflector:::setPrimFieldValues (1 samples, 0.04%)
io/netty/channel/ChannelOutboundBuffer:::remove (6 samples, 0.23%)
io/netty/buffer/PooledUnsafeDirectByteBuf:::_getLong (1 samples, 0.04%)
system_call_after_swapgs (1 samples, 0.04%)
io/netty/channel/nio/NioEventLoop:::processSelectedKey (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
$line31/$read$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$anonfun$1:::apply (43 samples, 1.65%)
[libjvm.so] (48 samples, 1.84%)
[..
scala/collection/AbstractIterator:::foreach (1 samples, 0.04%)
[libjvm.so] (141 samples, 5.41%)
[libjvm..
org/apache/spark/network/protocol/MessageWithHeader:::writeNioBuffer (20 samples, 0.77%)
Interpreter (2 samples, 0.08%)
I2C/C2I adapters (1 samples, 0.04%)
[libjvm.so] (11 samples, 0.42%)
scala/collection/generic/Growable$class:::$plus$plus$eq (2 samples, 0.08%)
scala/concurrent/impl/Promise$DefaultPromise:::trySuccess (2 samples, 0.08%)
io/netty/channel/nio/AbstractNioByteChannel:::incompleteWrite (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
[libc-2.19.so] (2 samples, 0.08%)
java/util/Formatter$FormatSpecifier:::printString (1 samples, 0.04%)
scala/collection/Iterator$class:::foreach (1,520 samples, 58.30%)
scala/collection/Iterator$class:::foreach
java/util/Formatter:::parse (1 samples, 0.04%)
java/util/Formatter$FormatSpecifier:::printString (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
Interpreter (7 samples, 0.27%)
scala/runtime/BoxesRunTime:::unboxToLong (1 samples, 0.04%)
scala/concurrent/impl/CallbackRunnable:::executeWithValue (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
java/util/Formatter$FormatSpecifier:::print (2 samples, 0.08%)
java/io/ObjectStreamClass:::readNonProxy (1 samples, 0.04%)
sun/nio/ch/IOUtil:::write (6 samples, 0.23%)
itable stub (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/lang/ClassLoader:::loadClass (2 samples, 0.08%)
java/io/ObjectOutputStream$BlockDataOutputStream:::write (98 samples, 3.76%)
java..
scala/collection/AbstractTraversable:::copyToArray (119 samples, 4.56%)
scala..
tcp_ack (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
Interpreter (7 samples, 0.27%)
skb_clone (1 samples, 0.04%)
java/util/Formatter$FormatSpecifier:::print (1 samples, 0.04%)
scala/concurrent/impl/ExecutionContextImpl$$anon$1:::execute (1 samples, 0.04%)
[libjvm.so] (4 samples, 0.15%)
io/netty/buffer/AbstractByteBuf:::writeInt (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (3 samples, 0.12%)
Java_java_lang_Class_forName0 (2 samples, 0.08%)
[libpthread-2.19.so] (43 samples, 1.65%)
Interpreter (1,567 samples, 60.11%)
Interpreter
[libjvm.so] (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv$$anonfun$deserialize$1$$anonfun$apply$1:::apply (3 samples, 0.12%)
sun/nio/ch/IOUtil:::write (1 samples, 0.04%)
[libjvm.so] (178 samples, 6.83%)
[libjvm.so]
java/lang/AbstractStringBuilder:::append (1 samples, 0.04%)
scala/collection/AbstractSeq:::size (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
org/apache/spark/rpc/netty/Outbox:::org$apache$spark$rpc$netty$Outbox$$drainOutbox (2 samples, 0.08%)
kmem_cache_alloc (1 samples, 0.04%)
io/netty/buffer/PoolChunk:::allocateNode (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (5 samples, 0.19%)
[unknown] (4 samples, 0.15%)
__do_page_fault (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageDecoder:::decode (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::deallocate (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (1 samples, 0.04%)
Interpreter (6 samples, 0.23%)
io/netty/handler/codec/MessageToMessageEncoder:::write (4 samples, 0.15%)
Interpreter (1,738 samples, 66.67%)
Interpreter
vtable stub (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
java/util/regex/Pattern:::init (1 samples, 0.04%)
clear_page_c_e (2 samples, 0.08%)
jbyte_disjoint_arraycopy (57 samples, 2.19%)
j..
__do_page_fault (4 samples, 0.15%)
org/apache/spark/scheduler/DirectTaskResult$$anonfun$writeExternal$1$$anonfun$apply$mcV$sp$1:::apply (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
io/netty/util/Recycler:::get (1 samples, 0.04%)
org/apache/spark/serializer/JavaSerializationStream:::writeObject (1 samples, 0.04%)
java/util/concurrent/SynchronousQueue:::offer (1 samples, 0.04%)
org/apache/spark/serializer/JavaSerializationStream:::writeObject (2 samples, 0.08%)
strlen (1 samples, 0.04%)
Java_java_lang_Class_forName0 (2 samples, 0.08%)
java/security/MessageDigest$Delegate:::engineUpdate (1 samples, 0.04%)
[libjvm.so] (17 samples, 0.65%)
Interpreter (101 samples, 3.87%)
Inte..
Interpreter (2 samples, 0.08%)
[libjvm.so] (5 samples, 0.19%)
[libjvm.so] (14 samples, 0.54%)
io/netty/buffer/UnpooledUnsafeDirectByteBuf:::_getInt (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (2 samples, 0.08%)
call_stub (2,248 samples, 86.23%)
call_stub
Interpreter (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
clear_page_c_e (4 samples, 0.15%)
java/io/ObjectInputStream:::defaultReadFields (2 samples, 0.08%)
[libjvm.so] (1 samples, 0.04%)
[libjvm.so] (2,545 samples, 97.62%)
[libjvm.so]
system_call_after_swapgs (2 samples, 0.08%)
jshort_disjoint_arraycopy (1 samples, 0.04%)
net_rx_action (1 samples, 0.04%)
java/io/ObjectInputStream:::readSerialData (6 samples, 0.23%)
futex_wait_setup (1 samples, 0.04%)
pthread_getspecific (1 samples, 0.04%)
scala/collection/mutable/HashMap:::update (1 samples, 0.04%)
io/netty/buffer/AbstractByteBuf:::writeBytes (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
Interpreter (2 samples, 0.08%)
org/apache/spark/network/protocol/MessageEncoder:::encode (3 samples, 0.12%)
io/netty/buffer/AbstractByteBufAllocator:::toLeakAwareBuffer (1 samples, 0.04%)
sun/misc/Launcher$AppClassLoader:::loadClass (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::fireChannelRead (49 samples, 1.88%)
i..
scala/concurrent/BatchingExecutor$class:::execute (1 samples, 0.04%)
_raw_spin_unlock_irqrestore (1 samples, 0.04%)
I2C/C2I adapters (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::writeAndFlush (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
io/netty/util/concurrent/SingleThreadEventExecutor:::runAllTasks (22 samples, 0.84%)
org/apache/spark/network/buffer/NettyManagedBuffer:::nioByteBuffer (1 samples, 0.04%)
java/io/ObjectOutputStream$BlockDataOutputStream:::write (1 samples, 0.04%)
java/io/ObjectInputStream:::defaultReadFields (7 samples, 0.27%)
scala/collection/AbstractTraversable:::toArray (141 samples, 5.41%)
scala/c..
io/netty/channel/AbstractChannel:::writeAndFlush (21 samples, 0.81%)
java/nio/Bits:::copyFromArray (1 samples, 0.04%)
scala/collection/AbstractIterable:::foreach (1 samples, 0.04%)
io/netty/channel/AbstractChannelHandlerContext:::write (21 samples, 0.81%)
tcp_sendmsg (1 samples, 0.04%)
org/apache/spark/serializer/JavaDeserializationStream:::readObject (6 samples, 0.23%)
_raw_spin_unlock_irqrestore (1 samples, 0.04%)
org/apache/spark/rpc/netty/NettyRpcEnv:::serialize (2 samples, 0.08%)
Interpreter (1 samples, 0.04%)
java/lang/ClassLoader:::loadClass (1 samples, 0.04%)
io/netty/buffer/PooledUnsafeDirectByteBuf:::setBytes (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectStreamClass:::getReflector (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
__alloc_skb (1 samples, 0.04%)
Interpreter (7 samples, 0.27%)
io/netty/util/Recycler:::recycle (2 samples, 0.08%)
Interpreter (1,753 samples, 67.24%)
Interpreter
Interpreter (1 samples, 0.04%)
java/util/regex/Pattern:::newSingle (1 samples, 0.04%)
java/lang/reflect/Method:::invoke (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::copyByteBuf (6 samples, 0.23%)
Interpreter (1 samples, 0.04%)
_raw_spin_unlock_irqrestore (2 samples, 0.08%)
[libc-2.19.so] (1 samples, 0.04%)
org/apache/spark/rpc/RpcTimeout:::awaitResult (1 samples, 0.04%)
org/apache/spark/network/protocol/MessageWithHeader:::copyByteBuf (20 samples, 0.77%)
[libjvm.so] (1 samples, 0.04%)
java/util/regex/Pattern:::atom (1 samples, 0.04%)
find_vma (1 samples, 0.04%)
jbyte_disjoint_arraycopy (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeArray (263 samples, 10.09%)
java/io/Object..
org/apache/spark/storage/BlockInfo:::checkInvariants (1 samples, 0.04%)
java/io/ObjectInputStream:::readObject0 (2 samples, 0.08%)
security_file_mprotect (1 samples, 0.04%)
[libjvm.so] (21 samples, 0.81%)
[libjvm.so] (2,545 samples, 97.62%)
[libjvm.so]
org/apache/spark/rpc/RpcEndpointRef:::askWithRetry (4 samples, 0.15%)
java/lang/String:::format (3 samples, 0.12%)
org/apache/spark/network/protocol/MessageWithHeader:::transferTo (18 samples, 0.69%)
Interpreter (4 samples, 0.15%)
org/apache/spark/network/protocol/MessageEncoder:::encode (4 samples, 0.15%)
java/util/concurrent/ConcurrentHashMap:::putVal (1 samples, 0.04%)
java/util/regex/Pattern:::compile (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
[libjvm.so] (2 samples, 0.08%)
java/lang/StrictMath:::log (649 samples, 24.89%)
java/lang/StrictMath:::log
__clock_gettime (1 samples, 0.04%)
Interpreter (3 samples, 0.12%)
java/util/concurrent/ConcurrentHashMap:::putIfAbsent (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
get_page_from_freelist (2 samples, 0.08%)
$line31/$read$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$anonfun$1:::apply (18 samples, 0.69%)
scala/collection/TraversableLike$$anonfun$map$1:::apply (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
resolve_static_call (1 samples, 0.04%)
java/io/ObjectInputStream:::readClassDesc (1 samples, 0.04%)
[libjvm.so] (2,545 samples, 97.62%)
[libjvm.so]
[libjvm.so] (40 samples, 1.53%)
org/apache/spark/rpc/RpcEndpointRef:::askWithRetry (3 samples, 0.12%)
copy_user_enhanced_fast_string (26 samples, 1.00%)
__xstat64 (1 samples, 0.04%)
io/netty/buffer/PoolArena:::freeChunk (1 samples, 0.04%)
[libjvm.so] (1 samples, 0.04%)
java/io/ObjectOutputStream:::writeObject (1 samples, 0.04%)
io/netty/util/concurrent/DefaultPromise:::notifyListener0 (2 samples, 0.08%)
Interpreter (101 samples, 3.87%)
Inte..
org/apache/spark/network/buffer/NioManagedBuffer:::convertToNetty (1 samples, 0.04%)
java/lang/ClassLoader:::loadClass (1 samples, 0.04%)
io/netty/util/concurrent/DefaultPromise:::addListener (1 samples, 0.04%)
jshort_disjoint_arraycopy (1 samples, 0.04%)
sun/security/provider/SecureRandom:::engineNextBytes (1 samples, 0.04%)
Interpreter (1 samples, 0.04%)
io/netty/buffer/AbstractByteBuf:::readInt (1 samples, 0.04%)
io/netty/channel/ChannelOutboundHandlerAdapter:::flush (1 samples, 0.04%)
Interpreter (7 samples, 0.27%)
[libjvm.so] (1 samples, 0.04%)
java/util/concurrent/atomic/AtomicBoolean:::get (1 samples, 0.04%)