pavel-odintsov

package qxp;
use strict;

# https://code.google.com/p/qxp/

sub H($){pack'H*',$_[0]}
sub by{map{[splice@_,1,$_[0]]}!($#_%$_[0])..$#_/$_[0]}
sub is($){$_ eq$_[0]}
sub cat{join'',@_}
sub list{@_}

pavel-odintsov

#!/usr/bin/perl

use strict;
use warnings;

use Data::Dumper;
use Net::DNS::Resolver;
use List::Util qw(sum);

use lib "/opt/local/lib/perl5/vendor_perl/5.16.3";

pavel-odintsov

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// Author: pavel.odintsov@gmail.com at FastVPS Eesti OU
// License: GPLv2

// This script allocate huge block of memory and fill it with random crap
// It's useful for checking kdump or ISP's with memory oversell :)
// Compilation: gcc memory_eater_ng.c -omemory_eater_ng

pavel-odintsov

package qxp;
use strict;

# code from: https://code.google.com/p/qxp/source/browse/qxp/qxp.pm

sub H($){pack'H*',$_[0]}
sub by{map{[splice@_,1,$_[0]]}!($#_%$_[0])..$#_/$_[0]}
sub is($){$_ eq$_[0]}
sub cat{join'',@_}
sub list{@_}

pavel-odintsov

#!/usr/bin/python

import json
import urllib2
import sys
import pprint

if len(sys.argv) != 2:
    sys.exit("Please provide params");

pavel-odintsov

#!/bin/bash
 
INTERVAL="1"  # update interval in seconds
 
if [ -z "$1" ]; then
        echo
        echo usage: $0 [network-interface]
        echo
        echo e.g. $0 eth0
        echo

pavel-odintsov

#/usr/bin/perl

# Author Pavel Odintsov 
# pavel.odintsov@gmail.com

use strict;
use warnings;


opendir my $dir, '/proc' or die "Can't open procfs";

pavel-odintsov

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
         /*    

pavel-odintsov

#!/bin/bash
 
INTERVAL="1"  # update interval in seconds
 
if [ -z "$1" ]; then
        echo
        echo usage: $0 [network-interface]
        echo
        echo e.g. $0 eth0
        echo

pavel-odintsov

#!/bin/bash

# from http://habrahabr.ru/post/108240/
ncpus=`grep -ciw ^processor /proc/cpuinfo`
test "$ncpus" -gt 1 || exit 1

n=0
for irq in `cat /proc/interrupts | grep eth | awk '{print $1}' | sed s/\://g`
do
    f="/proc/irq/$irq/smp_affinity"