klueska

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//

klueska

#include <elfio/elfio.hpp>                                                    
                                                                              
int main(int argc, char **argv)                                               
{                                                                             
  ELFIO::elfio elf;                                                           
                                                                              
  if (!elf.load("/usr/bin/ls")) {                                             
    std::cerr << "Error loading binary" << std::endl;                         
    exit(1);                                                                  
  }                                                                           

klueska

#!/bin/bash

declare -a pids
NUM_LOGGERS=$1

cleanup() {
    echo "Caught SIGINT/HUP/TERM - Cleaning up PIDs.."
    for p in ${pids[@]}
    do
        echo "Cleaning up PID ${p}"

klueska

$ mesos --help
Mesos CLI

Usage:
  mesos (-h | --help)
  mesos --version
  mesos <command> [<args>...]

Options:
  -h --help  Show this screen.

klueska

import itertools
import prettytable

from prettytable import PrettyTable

affinities = [
  (0,1),
  (1,0),
  (1,1),
]

klueska

#!/usr/bin/env bash

# Declare some helper functions
function get_kubernetes_hostname() {
local json="$(kubectl get nodes -o json)"
echo ${json} | python -c "$(cat << EOF
import sys
import json

nodes = json.load(sys.stdin)

klueska

--- blog-orig.md	2020-03-31 13:06:09.899071690 +0200
+++ blog.md	2020-03-31 13:04:49.594078489 +0200
@@ -7,46 +7,52 @@

 **Authors:** Kevin Klues (NVIDIA), Victor Pickard (RedHat), Conor Nolan (Intel)

-This blog post describes the **<code>TopologyManager</code>**, a beta feature of Kubernetes in release 1.18. The <strong><code>TopologyManager</code></strong> feature enables NUMA alignment of CPUs and peripheral devices (such as SR-IOV VFs and GPUs), allowing your workload to run in an environment optimized for low-latency.
+This blog post describes the **<code>TopologyManager</code>**, a beta feature of Kubernetes in release 1.18. The **<code>TopologyManager</code>** feature enables NUMA alignment of CPUs and peripheral devices (such as SR-IOV VFs and GPUs), allowing your workload to run in an environment optimized for low-latency.

-Prior to the introduction of the **<code>TopologyManager</code>**, the CPU and Device Manager would make resource allocation decisions independent of each other. This could resu

klueska

layout	title	date	slug
blog	Kubernetes Topology Manager Moves to Beta - Align Up!	2020-03-30	kubernetes-1-18-feature-topoloy-manager-beta

Authors: Kevin Klues (NVIDIA), Victor Pickard (RedHat), Conor Nolan (Intel)

This blog post describes the TopologyManager, a beta feature of Kubernetes in release 1.18. The TopologyManager feature enables NUMA alignment of CPUs and peripheral devices (such as SR-IOV VFs and GPUs), allowing your workload to run in an environment optimized for low-latency.

klueska

# Run the export command of nvidia-mig-parted
nvidia-mig-parted export

# Show nvidia-smi on the host with 8 full GPUs
nvidia-smi -L

# List out the NVIDIA container toolkit packages installed
dpkg -l | grep nvidia-container; dpkg -l | grep nvidia-docker

# Show that docker is configured to run with the nvidia container toolkit

klueska

diff --git a/pkg/kubelet/cm/devicemanager/plugin/v1beta1/handler.go b/pkg/kubelet/cm/devicemanager/plugin/v1beta1/handler.go
index cea6317257e..bdec8984139 100644
--- a/pkg/kubelet/cm/devicemanager/plugin/v1beta1/handler.go
+++ b/pkg/kubelet/cm/devicemanager/plugin/v1beta1/handler.go
@@ -44,10 +44,9 @@ func (s *server) RegisterPlugin(pluginName string, endpoint string, versions []s

 func (s *server) DeRegisterPlugin(pluginName string) {
 	klog.V(2).InfoS("Deregistering plugin", "plugin", pluginName)
-	s.mutex.Lock()
-	defer s.mutex.Unlock()