From fdf45ab6fdaddb9e6c8691f415540c64e7dac4bc Mon Sep 17 00:00:00 2001 From: Jan Tattermusch Date: Wed, 19 Oct 2016 10:35:01 +0200 Subject: support threadpool tracing --- src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) (limited to 'src/csharp/Grpc.Core/Internal') diff --git a/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs b/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs index a446c1f99f..25a6589f11 100644 --- a/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs +++ b/src/csharp/Grpc.Core/Internal/GrpcThreadPool.cs @@ -37,6 +37,7 @@ using System.Linq; using System.Threading; using System.Threading.Tasks; using Grpc.Core.Logging; +using Grpc.Core.Profiling; using Grpc.Core.Utils; namespace Grpc.Core.Internal @@ -54,6 +55,8 @@ namespace Grpc.Core.Internal readonly int poolSize; readonly int completionQueueCount; + readonly List threadProfilers = new List(); // profilers assigned to threadpool threads + bool stopRequested; IReadOnlyCollection completionQueues; @@ -82,7 +85,8 @@ namespace Grpc.Core.Internal for (int i = 0; i < poolSize; i++) { - threads.Add(CreateAndStartThread(i)); + var optionalProfiler = i < threadProfilers.Count ? threadProfilers[i] : null; + threads.Add(CreateAndStartThread(i, optionalProfiler)); } } } @@ -111,6 +115,11 @@ namespace Grpc.Core.Internal { cq.Dispose(); } + + for (int i = 0; i < threadProfilers.Count; i++) + { + threadProfilers[i].Dump(string.Format("grpc_trace_thread_{0}.txt", i)); + } }); } @@ -137,12 +146,12 @@ namespace Grpc.Core.Internal } } - private Thread CreateAndStartThread(int threadIndex) + private Thread CreateAndStartThread(int threadIndex, IProfiler optionalProfiler) { var cqIndex = threadIndex % completionQueues.Count; var cq = completionQueues.ElementAt(cqIndex); - var thread = new Thread(new ThreadStart(() => RunHandlerLoop(cq))); + var thread = new Thread(new ThreadStart(() => RunHandlerLoop(cq, optionalProfiler))); thread.IsBackground = true; thread.Name = string.Format("grpc {0} (cq {1})", threadIndex, cqIndex); thread.Start(); @@ -153,8 +162,13 @@ namespace Grpc.Core.Internal /// /// Body of the polling thread. /// - private void RunHandlerLoop(CompletionQueueSafeHandle cq) + private void RunHandlerLoop(CompletionQueueSafeHandle cq, IProfiler optionalProfiler) { + if (optionalProfiler != null) + { + Profilers.SetForCurrentThread(optionalProfiler); + } + CompletionQueueEvent ev; do { -- cgit v1.2.3 From b35dfa83b5ba69daf000125f37602ae1fff011d6 Mon Sep 17 00:00:00 2001 From: Jan Tattermusch Date: Fri, 28 Oct 2016 16:40:22 +0200 Subject: remove existing profiling points --- src/csharp/Grpc.Core/Internal/AsyncCall.cs | 97 ++++++++++------------ src/csharp/Grpc.Core/Internal/AsyncCallBase.cs | 41 ++++----- src/csharp/Grpc.Core/Internal/CallSafeHandle.cs | 7 +- src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs | 13 ++- .../Internal/CompletionQueueSafeHandle.cs | 5 +- .../Grpc.Core/Internal/MetadataArraySafeHandle.cs | 23 +++-- 6 files changed, 77 insertions(+), 109 deletions(-) (limited to 'src/csharp/Grpc.Core/Internal') diff --git a/src/csharp/Grpc.Core/Internal/AsyncCall.cs b/src/csharp/Grpc.Core/Internal/AsyncCall.cs index 5e61e9ec12..da45c4829d 100644 --- a/src/csharp/Grpc.Core/Internal/AsyncCall.cs +++ b/src/csharp/Grpc.Core/Internal/AsyncCall.cs @@ -388,35 +388,29 @@ namespace Grpc.Core.Internal private void Initialize(CompletionQueueSafeHandle cq) { - using (Profilers.ForCurrentThread().NewScope("AsyncCall.Initialize")) - { - var call = CreateNativeCall(cq); + var call = CreateNativeCall(cq); - details.Channel.AddCallReference(this); - InitializeInternal(call); - RegisterCancellationCallback(); - } + details.Channel.AddCallReference(this); + InitializeInternal(call); + RegisterCancellationCallback(); } private INativeCall CreateNativeCall(CompletionQueueSafeHandle cq) { - using (Profilers.ForCurrentThread().NewScope("AsyncCall.CreateNativeCall")) - { - if (injectedNativeCall != null) - { - return injectedNativeCall; // allows injecting a mock INativeCall in tests. - } + if (injectedNativeCall != null) + { + return injectedNativeCall; // allows injecting a mock INativeCall in tests. + } - var parentCall = details.Options.PropagationToken != null ? details.Options.PropagationToken.ParentCall : CallSafeHandle.NullInstance; + var parentCall = details.Options.PropagationToken != null ? details.Options.PropagationToken.ParentCall : CallSafeHandle.NullInstance; - var credentials = details.Options.Credentials; - using (var nativeCredentials = credentials != null ? credentials.ToNativeCredentials() : null) - { - var result = details.Channel.Handle.CreateCall( - parentCall, ContextPropagationToken.DefaultMask, cq, - details.Method, details.Host, Timespec.FromDateTime(details.Options.Deadline.Value), nativeCredentials); - return result; - } + var credentials = details.Options.Credentials; + using (var nativeCredentials = credentials != null ? credentials.ToNativeCredentials() : null) + { + var result = details.Channel.Handle.CreateCall( + parentCall, ContextPropagationToken.DefaultMask, cq, + details.Method, details.Host, Timespec.FromDateTime(details.Options.Deadline.Value), nativeCredentials); + return result; } } @@ -456,47 +450,44 @@ namespace Grpc.Core.Internal // NOTE: because this event is a result of batch containing GRPC_OP_RECV_STATUS_ON_CLIENT, // success will be always set to true. - using (Profilers.ForCurrentThread().NewScope("AsyncCall.HandleUnaryResponse")) + TaskCompletionSource delayedStreamingWriteTcs = null; + TResponse msg = default(TResponse); + var deserializeException = TryDeserialize(receivedMessage, out msg); + + lock (myLock) { - TaskCompletionSource delayedStreamingWriteTcs = null; - TResponse msg = default(TResponse); - var deserializeException = TryDeserialize(receivedMessage, out msg); + finished = true; - lock (myLock) + if (deserializeException != null && receivedStatus.Status.StatusCode == StatusCode.OK) { - finished = true; - - if (deserializeException != null && receivedStatus.Status.StatusCode == StatusCode.OK) - { - receivedStatus = new ClientSideStatus(DeserializeResponseFailureStatus, receivedStatus.Trailers); - } - finishedStatus = receivedStatus; - - if (isStreamingWriteCompletionDelayed) - { - delayedStreamingWriteTcs = streamingWriteTcs; - streamingWriteTcs = null; - } - - ReleaseResourcesIfPossible(); + receivedStatus = new ClientSideStatus(DeserializeResponseFailureStatus, receivedStatus.Trailers); } + finishedStatus = receivedStatus; - responseHeadersTcs.SetResult(responseHeaders); - - if (delayedStreamingWriteTcs != null) + if (isStreamingWriteCompletionDelayed) { - delayedStreamingWriteTcs.SetException(GetRpcExceptionClientOnly()); + delayedStreamingWriteTcs = streamingWriteTcs; + streamingWriteTcs = null; } - var status = receivedStatus.Status; - if (status.StatusCode != StatusCode.OK) - { - unaryResponseTcs.SetException(new RpcException(status)); - return; - } + ReleaseResourcesIfPossible(); + } + + responseHeadersTcs.SetResult(responseHeaders); - unaryResponseTcs.SetResult(msg); + if (delayedStreamingWriteTcs != null) + { + delayedStreamingWriteTcs.SetException(GetRpcExceptionClientOnly()); + } + + var status = receivedStatus.Status; + if (status.StatusCode != StatusCode.OK) + { + unaryResponseTcs.SetException(new RpcException(status)); + return; } + + unaryResponseTcs.SetResult(msg); } /// diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs index 9f9d260e7e..8668903f6e 100644 --- a/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs +++ b/src/csharp/Grpc.Core/Internal/AsyncCallBase.cs @@ -181,19 +181,16 @@ namespace Grpc.Core.Internal /// protected bool ReleaseResourcesIfPossible() { - using (Profilers.ForCurrentThread().NewScope("AsyncCallBase.ReleaseResourcesIfPossible")) + if (!disposed && call != null) { - if (!disposed && call != null) + bool noMoreSendCompletions = streamingWriteTcs == null && (halfcloseRequested || cancelRequested || finished); + if (noMoreSendCompletions && readingDone && finished) { - bool noMoreSendCompletions = streamingWriteTcs == null && (halfcloseRequested || cancelRequested || finished); - if (noMoreSendCompletions && readingDone && finished) - { - ReleaseResources(); - return true; - } + ReleaseResources(); + return true; } - return false; } + return false; } protected abstract bool IsClient @@ -229,28 +226,20 @@ namespace Grpc.Core.Internal protected byte[] UnsafeSerialize(TWrite msg) { - using (Profilers.ForCurrentThread().NewScope("AsyncCallBase.UnsafeSerialize")) - { - return serializer(msg); - } + return serializer(msg); } protected Exception TryDeserialize(byte[] payload, out TRead msg) { - using (Profilers.ForCurrentThread().NewScope("AsyncCallBase.TryDeserialize")) + try { - try - { - - msg = deserializer(payload); - return null; - - } - catch (Exception e) - { - msg = default(TRead); - return e; - } + msg = deserializer(payload); + return null; + } + catch (Exception e) + { + msg = default(TRead); + return e; } } diff --git a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs index 82361f5797..f817a61bce 100644 --- a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs +++ b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs @@ -76,11 +76,8 @@ namespace Grpc.Core.Internal public void StartUnary(BatchContextSafeHandle ctx, byte[] payload, MetadataArraySafeHandle metadataArray, WriteFlags writeFlags) { - using (Profilers.ForCurrentThread().NewScope("CallSafeHandle.StartUnary")) - { - Native.grpcsharp_call_start_unary(this, ctx, payload, new UIntPtr((ulong)payload.Length), metadataArray, writeFlags) - .CheckOk(); - } + Native.grpcsharp_call_start_unary(this, ctx, payload, new UIntPtr((ulong)payload.Length), metadataArray, writeFlags) + .CheckOk(); } public void StartClientStreaming(UnaryResponseClientHandler callback, MetadataArraySafeHandle metadataArray) diff --git a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs index 62864dff0c..0fb6360a23 100644 --- a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs +++ b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs @@ -65,16 +65,13 @@ namespace Grpc.Core.Internal public CallSafeHandle CreateCall(CallSafeHandle parentCall, ContextPropagationFlags propagationMask, CompletionQueueSafeHandle cq, string method, string host, Timespec deadline, CallCredentialsSafeHandle credentials) { - using (Profilers.ForCurrentThread().NewScope("ChannelSafeHandle.CreateCall")) + var result = Native.grpcsharp_channel_create_call(this, parentCall, propagationMask, cq, method, host, deadline); + if (credentials != null) { - var result = Native.grpcsharp_channel_create_call(this, parentCall, propagationMask, cq, method, host, deadline); - if (credentials != null) - { - result.SetCredentials(credentials); - } - result.Initialize(cq); - return result; + result.SetCredentials(credentials); } + result.Initialize(cq); + return result; } public ChannelState CheckConnectivityState(bool tryToConnect) diff --git a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs index 46f5624223..6c9a31921e 100644 --- a/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs +++ b/src/csharp/Grpc.Core/Internal/CompletionQueueSafeHandle.cs @@ -70,10 +70,7 @@ namespace Grpc.Core.Internal public CompletionQueueEvent Pluck(IntPtr tag) { - using (Profilers.ForCurrentThread().NewScope("CompletionQueueSafeHandle.Pluck")) - { - return Native.grpcsharp_completion_queue_pluck(this, tag); - } + return Native.grpcsharp_completion_queue_pluck(this, tag); } /// diff --git a/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs b/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs index dc9f62fdab..05dda5b148 100644 --- a/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs +++ b/src/csharp/Grpc.Core/Internal/MetadataArraySafeHandle.cs @@ -48,22 +48,19 @@ namespace Grpc.Core.Internal public static MetadataArraySafeHandle Create(Metadata metadata) { - using (Profilers.ForCurrentThread().NewScope("MetadataArraySafeHandle.Create")) + if (metadata.Count == 0) { - if (metadata.Count == 0) - { - return new MetadataArraySafeHandle(); - } + return new MetadataArraySafeHandle(); + } - // TODO(jtattermusch): we might wanna check that the metadata is readonly - var metadataArray = Native.grpcsharp_metadata_array_create(new UIntPtr((ulong)metadata.Count)); - for (int i = 0; i < metadata.Count; i++) - { - var valueBytes = metadata[i].GetSerializedValueUnsafe(); - Native.grpcsharp_metadata_array_add(metadataArray, metadata[i].Key, valueBytes, new UIntPtr((ulong)valueBytes.Length)); - } - return metadataArray; + // TODO(jtattermusch): we might wanna check that the metadata is readonly + var metadataArray = Native.grpcsharp_metadata_array_create(new UIntPtr((ulong)metadata.Count)); + for (int i = 0; i < metadata.Count; i++) + { + var valueBytes = metadata[i].GetSerializedValueUnsafe(); + Native.grpcsharp_metadata_array_add(metadataArray, metadata[i].Key, valueBytes, new UIntPtr((ulong)valueBytes.Length)); } + return metadataArray; } /// -- cgit v1.2.3