What do you get

Note that you will get immediate access to the 2019 videos of this class. I didn't run a class in 2020  due to all the distractions and had not recovered back to 100% from being ill in 2021. The late 2019 version is the best version of this class!

I am updating and re-recording the entire class right now and will launch it by end of June 2022. If you sign up now, you will get access both to the 2019 and 2022 versions!

Course curriculum

  1. 1

    • Welcome!

    • Slides & Scripts

    • Personal Lab Setup Instructions (optional)
  2. 2

    • 01-01-Introduction-Logistics

    • 01-02-History-Protected-Mode

    • 01-03-System-Calls

    • 01-04-Tracing-System-Calls-Strace

    • 01-05-Getting-Info-System-Calls

    • 01-06-Strace-Examples

    • 01-07-Strace-Trace-Running-Processes

    • 01-08-Demo-Strace-SSH-Logon-Delay

    • 01-09-Demo-Strace-Wrong-Config-File

    • 01-10-Question-App-Tracing-Windows

    • 01-11-Tracing-Library-Calls-Ltrace

    • 01-12-Other-Tracing-Tools-Pros-Cons

    • 01-13-Other-Tools-Sysdig-Demo

    • 01-14-Questions-Ltrace-Strace-Profiling
  3. 3

    • 02-01-Introduction-Thread-State-Analysis

    • 02-02-Processes-Threads-Tasks

    • 02-03-Task-States

    • 02-04-Sampling-Task-States

    • 02-05-CPU-Usage-vs-Waits

    • 02-06-Linux-Process-Snapper

    • 02-07-Application-Profiling-Low-Tech-Tools

    • 02-08-Reading-Stack-Traces

    • 02-09-Demo-Java-Hang-Troubleshooting

    • 02-10-Application-Profiling-FlameGraphs

    • 02-11-Application-CPU-Profiling-Perf

    • 02-12-Java-Profiling-Async-Profiler

    • 02-13-Process-Thread-Creation-Basics

    • 02-14-Parents-Children-Zombies

    • 02-15-System-Load-Average
  4. 4

    • 03-01-File-Descriptors

    • 03-02-Standard-Input-Output-Redirection

    • 03-03-List-Open-Files-Lsof

    • 03-04-Who-Uses-This-File-Fuser

    • 03-05-Following-Socket-Endpoints

    • 03-06-File-Descriptor-Limits-Ulimit

    • 03-07-VFS-Layer-Inode-Dentry

    • 03-08-Comment-Open-RDBMS-Files

    • 03-09-File-System-Caching-Syncing

    • 03-10-Finding-Block-Devices-of-FS

    • 03-11-Measuring-Process-IO-Volume

    • 03-12-Measuring-System-IO-Volume

    • 03-13-Block-Device-IO-Latency-Intro
  5. 5

    • 04-01-Process-Address-Space-Layout

    • 04-02-Dynamically-Loaded-Libraries

    • 04-03-Process-Memory-Usage-Pmap-Top

    • 04-04-Detailed-Memory-Usage-Smaps-Smem

    • 04-05-System-Free-Memory-and-Shortage

    • 04-06-Memory-Shortage-Kswapd

    • 04-07-Memory-Pressure-Levels

    • 04-08-Memory-Scan-Rate-Sar

    • 04-09-Who-Is-Causing-Swapping
  6. 6

    • 05-01-TCP-Networking-Sockets-Intro

    • 05-02-Network-Stack-Protocol-Layers

    • 05-03-Analyzing-Network-Traffic-Wireshark

    • 05-04-Application-OS-Network-Flow

    • 05-05-Establishing-a-TCP-Connection

    • 05-06-Network-Traffic-Reporting-Tools

    • 05-07-Trace-Network-Route-Latency

    • 05-08-Examining-Server-Routing-Tables

    • 05-09-Network-Latency-Layers-Physics

    • 05-10-Application-Latency-Think-Time

    • 05-11-Remote-Application-Latency-Tcpdump

    • 05-12-TCP-Latency-Analysis-Wireshark

    • 05-13-Application-Network-Throughput

    • 05-14-TCP-Throughput-Buffer-Sizing

    • 05-15-Iperf-TCP-Buffer-Throughput-Demo
  7. 7

    • 06-01-Virtual-Memory-Address-Space

    • 06-02-Virtual-Memory-Sharing-Pages

    • 06-03-Multithreaded-Process-Memory

    • 06-04-Question-Process-Heap

    • 06-05-Shared-Memory-Usage

    • 06-06-Page-Size-Considerations-Hugepages

    • 06-07-Virtual-Memory-Pagetables-Lookups

    • 06-08-Demo-Memory-Allocation-Pagefauts
  8. 8

    • 07-01-CPU-Memory-Latency-Introduction

    • 07-02-Measuring-CPU-Efficiency-Perf-Stat

    • 07-03-Superscalar-CPU-Execution

    • 07-04-CPU-Quality-of-Service

    • 07-05-CPU-Time-Stealing-VM-Cloud

    • 07-06-Process-Scheduling-Latency

    • 07-07-Kernel-Tracing-Infrastructure

    • 07-08-Many-Shortlived-Processes

    • 07-09-Question-First-Command-Exec-Slow

    • 07-10-Hardware-Interrupt-Handling

    • 07-11-High-Sys-Interrupt-CPU-Profiling
  9. 9

    • 08-01-Block-IO-Stack-Iostat

    • 08-02-Measuring-Disk-IO-Utilization

    • 08-03-Blocktrace-Block-Device-Latency

    • 08-04-Demo-IO-Contention-Filesystem

    • 08-05-Demo-IO-Sys-CPU-Usage

    • 08-06-IO-Queue-Depth-In-Flight
  10. 10

    • 09-01-Process-State-IPC-Introduction

    • 09-02-Signals-Introduction

    • 09-03-Signals-Types-Uses

    • 09-04-Tracing-Examining-Signals

    • 09-05-Kernel-Locks-Semaphores

    • 09-06-User-Space-Locks-Futexes

    • 09-07-Posix-Advisory-Locks

    • 09-08-Kernel-Ticks-Timers

    • 09-09-Demo-Kernel-Tracing-Sleep-Time
  11. 11

    • 10-01-Process-Crashes-Coredumps

    • 10-02-Process-Killed-Out-of-Memory

    • 10-03-Kernel-Safety-Hang-Comment

    • 10-04-Demo-Kernel-Crash-Dumps

    • 10-05-Other-Hardware-Issues

How does this work?

Attending & Logistics

When you sign up, you will get access to the following (for the next 12 months):

  1. Online streamable videos
  2. Downloadable videos for personal "forever-use"
  3. Training slides, scripts and other material


The "videos only" products do not include follow up Q&A sessions and discussion forum/chat access.


More details, terms & conditions and logistics here:


Thanks and See You Soon!