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--- a/include/seastar/core/internal/pollable_fd.hh
+++ b/include/seastar/core/internal/pollable_fd.hh
@@ -57,6 +57,7 @@ class pollable_fd_state {
     int events_requested = 0; // wanted by pollin/pollout promises
     int events_epoll = 0;     // installed in epoll
     int events_known = 0;     // returned from epoll
+    bool is_acceptor = false; // put acceptor to disinct epoll
     promise<> pollin;
     promise<> pollout;
     friend class reactor;

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--- a/src/core/reactor.cc
+++ b/src/core/reactor.cc
@@ -124,6 +124,12 @@
 #include <typeinfo>
 #endif

+namespace {
+    thread_local static int schedule_count = 0;
+    thread_local static int schedule_urgent_count = 0;
+    thread_local static int epoll_count = 0;

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// A cpu profiler used to find out hot functions
// modified from https://github.com/jitbit/cpu-analyzer
// require nuget package:
//   https://www.nuget.org/packages/Microsoft.Samples.Debugging.CorApi
//   https://www.nuget.org/packages/Microsoft.Samples.Debugging.MdbgEngine
//
// Copyright 2012 - Sam Saffron
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.

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import numpy as np

# todo:
# - train bias
# - increase alpha when learning progress is slow
# - fix bugs
#  - produce nan when weights_expected are all 0

np.random.seed(1)
np.set_printoptions(suppress=True)

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using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;

namespace ConsoleApp1
{
    public class Program

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.intel_syntax noprefix

.data
hello_string:
	.ascii "Hello World!\n"
len:
	.long len-hello_string

.text
.global main

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// g++ ptrace_child.cpp -o ptrace_child && ./ptrace_child
#include <unistd.h>
#include <iostream>
#include <chrono>
#include <thread>

void testAAA() {
	std::cout << "testaaa" << std::endl;
	std::this_thread::sleep_for(std::chrono::seconds(1));
}

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#include <memory>
#include <atomic>

namespace {	
	class AImpl {
	public:
		void test() { ++value; }
		std::atomic_int value;
	};
	

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Install windbg from:
http://msdn.microsoft.com/windows/hardware/hh852362

Execute windbg, select File => Open Executable,
choose C:\Program Files\dotnet\dotnet.exe and use "c:\path\to\application.dll" as arguments (don't forget the double quotes if path contains space).

Use commands:
sxe ld clr
g
.loadby sos coreclr

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// sudo apt-get install liblttng-ctl-dev
// g++ -Wall -Wextra --std=c++11 CaptureLttngEventFromCoreClr.cpp -llttng-ctl && ./a.out
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// !                                                                     !
// ! Don't copy this code to your project,                               !
// ! it contains GPL licensed code from lttng-tools (lttng-viewer-abi.h).!
// !                                                                     !
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#include <lttng/lttng.h>
#include <sys/socket.h>