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-rw-r--r--src/csharp/Grpc.Core/Profiling/IProfiler.cs47
-rw-r--r--src/csharp/Grpc.Core/Profiling/ProfilerEntry.cs87
-rw-r--r--src/csharp/Grpc.Core/Profiling/ProfilerScope.cs60
-rw-r--r--src/csharp/Grpc.Core/Profiling/Profilers.cs131
4 files changed, 325 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core/Profiling/IProfiler.cs b/src/csharp/Grpc.Core/Profiling/IProfiler.cs
new file mode 100644
index 0000000000..c426c365d2
--- /dev/null
+++ b/src/csharp/Grpc.Core/Profiling/IProfiler.cs
@@ -0,0 +1,47 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.IO;
+using System.Threading;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core.Profiling
+{
+ internal interface IProfiler
+ {
+ void Begin(string tag);
+ void End(string tag);
+ void Mark(string tag);
+ }
+}
diff --git a/src/csharp/Grpc.Core/Profiling/ProfilerEntry.cs b/src/csharp/Grpc.Core/Profiling/ProfilerEntry.cs
new file mode 100644
index 0000000000..5cc4c3c054
--- /dev/null
+++ b/src/csharp/Grpc.Core/Profiling/ProfilerEntry.cs
@@ -0,0 +1,87 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.IO;
+using System.Threading;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core.Profiling
+{
+ internal struct ProfilerEntry
+ {
+ public enum Type {
+ BEGIN,
+ END,
+ MARK
+ }
+
+ public ProfilerEntry(Timespec timespec, Type type, string tag)
+ {
+ this.timespec = timespec;
+ this.type = type;
+ this.tag = tag;
+ }
+
+ public Timespec timespec;
+ public Type type;
+ public string tag;
+
+ public override string ToString()
+ {
+ // mimic the output format used by C core.
+ return string.Format(
+ "{{\"t\": {0}.{1}, \"thd\":\"unknown\", \"type\": \"{2}\", \"tag\": \"{3}\", " +
+ "\"file\": \"unknown\", \"line\": 0, \"imp\": 0}}",
+ timespec.TimevalSeconds, timespec.TimevalNanos.ToString("D9"),
+ GetTypeAbbreviation(type), tag);
+ }
+
+ internal static string GetTypeAbbreviation(Type type)
+ {
+ switch (type)
+ {
+ case Type.BEGIN:
+ return "{";
+
+ case Type.END:
+ return "}";
+
+ case Type.MARK:
+ return ".";
+ default:
+ throw new ArgumentException("Unknown type");
+ }
+ }
+ }
+}
diff --git a/src/csharp/Grpc.Core/Profiling/ProfilerScope.cs b/src/csharp/Grpc.Core/Profiling/ProfilerScope.cs
new file mode 100644
index 0000000000..413f3a1a35
--- /dev/null
+++ b/src/csharp/Grpc.Core/Profiling/ProfilerScope.cs
@@ -0,0 +1,60 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.IO;
+using System.Threading;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core.Profiling
+{
+ // Allows declaring Begin and End of a profiler scope with a using statement.
+ // declared as struct for better performance.
+ internal struct ProfilerScope : IDisposable
+ {
+ readonly IProfiler profiler;
+ readonly string tag;
+
+ public ProfilerScope(IProfiler profiler, string tag)
+ {
+ this.profiler = profiler;
+ this.tag = tag;
+ this.profiler.Begin(this.tag);
+ }
+
+ public void Dispose()
+ {
+ profiler.End(tag);
+ }
+ }
+}
diff --git a/src/csharp/Grpc.Core/Profiling/Profilers.cs b/src/csharp/Grpc.Core/Profiling/Profilers.cs
new file mode 100644
index 0000000000..c8123347f2
--- /dev/null
+++ b/src/csharp/Grpc.Core/Profiling/Profilers.cs
@@ -0,0 +1,131 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.IO;
+using System.Threading;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core.Profiling
+{
+ internal static class Profilers
+ {
+ static readonly NopProfiler defaultProfiler = new NopProfiler();
+ static readonly ThreadLocal<IProfiler> profilers = new ThreadLocal<IProfiler>();
+
+ public static IProfiler ForCurrentThread()
+ {
+ return profilers.Value ?? defaultProfiler;
+ }
+
+ public static void SetForCurrentThread(IProfiler profiler)
+ {
+ profilers.Value = profiler;
+ }
+
+ public static ProfilerScope NewScope(this IProfiler profiler, string tag)
+ {
+ return new ProfilerScope(profiler, tag);
+ }
+ }
+
+ internal class NopProfiler : IProfiler
+ {
+ public void Begin(string tag)
+ {
+ }
+
+ public void End(string tag)
+ {
+ }
+
+ public void Mark(string tag)
+ {
+ }
+ }
+
+ // Profiler using Timespec.PreciseNow
+ internal class BasicProfiler : IProfiler
+ {
+ ProfilerEntry[] entries;
+ int count;
+
+ public BasicProfiler() : this(1024*1024)
+ {
+ }
+
+ public BasicProfiler(int capacity)
+ {
+ this.entries = new ProfilerEntry[capacity];
+ }
+
+ public void Begin(string tag) {
+ AddEntry(new ProfilerEntry(Timespec.PreciseNow, ProfilerEntry.Type.BEGIN, tag));
+ }
+
+ public void End(string tag) {
+ AddEntry(new ProfilerEntry(Timespec.PreciseNow, ProfilerEntry.Type.END, tag));
+ }
+
+ public void Mark(string tag) {
+ AddEntry(new ProfilerEntry(Timespec.PreciseNow, ProfilerEntry.Type.MARK, tag));
+ }
+
+ public void Reset()
+ {
+ count = 0;
+ }
+
+ public void Dump(string filepath)
+ {
+ using (var stream = new StreamWriter(filepath))
+ {
+ Dump(stream);
+ }
+ }
+
+ public void Dump(TextWriter stream)
+ {
+ for (int i = 0; i < count; i++)
+ {
+ var entry = entries[i];
+ stream.WriteLine(entry.ToString());
+ }
+ }
+
+ // NOT THREADSAFE!
+ void AddEntry(ProfilerEntry entry) {
+ entries[count++] = entry;
+ }
+ }
+}