majek

/*
 *  gcc flood_mmap.c -l pcap -O3 -o flood_mmap
 */
#include <arpa/inet.h>
#include <ctype.h>
#include <getopt.h>
#include <linux/if_packet.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <pcap/pcap.h>

majek

diff -Nraup ixgbe-linux-netmap/ixgbe-3.23.2.1/src/ixgbe_main.c ixgbe-linux-netmap-single-queue/ixgbe-3.23.2.1/src/ixgbe_main.c
--- ixgbe-linux-netmap/ixgbe-3.23.2.1/src/ixgbe_main.c	2015-06-20 14:23:38.457783634 +0100
+++ ixgbe-linux-netmap-single-queue/ixgbe-3.23.2.1/src/ixgbe_main.c	2015-06-20 14:23:31.330496612 +0100
@@ -686,6 +686,7 @@ static bool ixgbe_clean_tx_irq(struct ix
 	if (test_bit(__IXGBE_DOWN, &adapter->state))
 		return true;
 
+        if (tx_ring->queue_index == 0) {
 #ifdef DEV_NETMAP
         /*    

majek

#!/bin/bash

cat << EOF > /tmp/xxx
4.1.1	2015-06-17		100100 weekly downloads	 
4.0.3	2015-04-15		9494 weekly downloads	 
3.23.2.1	2015-02-23		1919 weekly downloads	 
3.23.2	2014-12-22		1515 weekly downloads	 
3.22.3	2014-08-15		99 weekly downloads	 
3.21.2	2014-03-28		88 weekly downloads	 
3.19.1	2013-12-20		1515 weekly downloads	 

majek

package main

import (
	"fmt"
	"os"
	"strings"
	"math/rand"


	"github.com/gdamore/mangos"

majek

How to run:

go build udp.go; sudo bash -c "ulimit -n 100000; ./udpserver"
go build udpclient.go && ./udpclient
sudo netstat -l4np --udp|grep :1234|tr -s " "|egrep -v "p 0"

Sample output

127.0.87.133:1234 0.347 ms

majek

package main

import (
	"flag"
	"fmt"
	"net"
	"os"
	"strings"
	"sync/atomic"
	"time"

majek

i = 10
for x in [0...i]
    alert(x)

majek

var d, i, _i, _results;
i = 10;
d = (function() {
  _results = [];
  for (var _i = 0;
       0 <= i ? _i < i : _i > i;
       0 <= i ? _i++ : _i--) { _results.push(_i); }
  return _results;
}).apply(this);

majek

console.log(a + b + c);
console.log(a(+b + c));

majek

var i, x;
i = 10;
for (x = 0; 0 <= i ? x < i : x > i; 0 <= i ? x++ : x--) {
  alert(x);
}