Sinossi
Modern applications live or die by performance, reliability, and efficiency — yet most developers never truly understand what happens after their code hits the kernel. Low-Level Linux takes you beneath abstractions and frameworks and into the machinery that actually runs your software.
This book is a practical, deeply technical guide to how Linux works from the metal up — from virtual memory and page tables to syscalls, scheduling, and performance tuning at scale.
Whether you’re optimizing high-throughput systems, debugging impossible latency spikes, or preparing for kernel-level work, this book gives you the mental models used by elite systems engineers.
You will learn how Linux really behaves under load — not just how it’s supposed to.
Inside you’ll master:How Linux virtual memory actually works
(paging, MMUs, TLBs, NUMA, and page faults demystified)The full syscall lifecycle
from user space → kernel → hardware → back againHow context switching, scheduling, and interrupts impact latency
Memory allocation internals
(slab, slub, vmalloc, brk, mmap)CPU caches, false sharing, and cache-line–level optimization
Diagnosing real performance problems using
perf, ftrace, strace, bcc, and eBPFWhy “fast code” is often slow — and how to prove it
How to reason about performance using first principles, not guesswork
Software engineers ready to go beyond frameworks
Linux users who want to understand what their system is truly doing
Backend, infrastructure, and systems engineers
Performance engineers and SREs
Anyone who wants to think like the kernel does
No fluff. No hand-waving. Just real Linux internals explained clearly, visually, and practically.
Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.
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Paperback. Condizione: new. Paperback. Modern applications live or die by performance, reliability, and efficiency - yet most developers never truly understand what happens after their code hits the kernel. Low-Level Linux takes you beneath abstractions and frameworks and into the machinery that actually runs your software.This book is a practical, deeply technical guide to how Linux works from the metal up - from virtual memory and page tables to syscalls, scheduling, and performance tuning at scale.Whether you're optimizing high-throughput systems, debugging impossible latency spikes, or preparing for kernel-level work, this book gives you the mental models used by elite systems engineers.You will learn how Linux really behaves under load - not just how it's supposed to.Inside you'll master: How Linux virtual memory actually works(paging, MMUs, TLBs, NUMA, and page faults demystified)The full syscall lifecyclefrom user space kernel hardware back againHow context switching, scheduling, and interrupts impact latencyMemory allocation internals(slab, slub, vmalloc, brk, mmap)CPU caches, false sharing, and cache-line-level optimizationDiagnosing real performance problems usingperf, ftrace, strace, bcc, and eBPFWhy "fast code" is often slow - and how to prove itHow to reason about performance using first principles, not guessworkWho this book is for: Software engineers ready to go beyond frameworksLinux users who want to understand what their system is truly doingBackend, infrastructure, and systems engineersPerformance engineers and SREsAnyone who wants to think like the kernel doesNo fluff. No hand-waving. Just real Linux internals explained clearly, visually, and practically. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. Codice articolo 9798244306668
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Paperback. Condizione: new. Paperback. Modern applications live or die by performance, reliability, and efficiency - yet most developers never truly understand what happens after their code hits the kernel. Low-Level Linux takes you beneath abstractions and frameworks and into the machinery that actually runs your software.This book is a practical, deeply technical guide to how Linux works from the metal up - from virtual memory and page tables to syscalls, scheduling, and performance tuning at scale.Whether you're optimizing high-throughput systems, debugging impossible latency spikes, or preparing for kernel-level work, this book gives you the mental models used by elite systems engineers.You will learn how Linux really behaves under load - not just how it's supposed to.Inside you'll master: How Linux virtual memory actually works(paging, MMUs, TLBs, NUMA, and page faults demystified)The full syscall lifecyclefrom user space kernel hardware back againHow context switching, scheduling, and interrupts impact latencyMemory allocation internals(slab, slub, vmalloc, brk, mmap)CPU caches, false sharing, and cache-line-level optimizationDiagnosing real performance problems usingperf, ftrace, strace, bcc, and eBPFWhy "fast code" is often slow - and how to prove itHow to reason about performance using first principles, not guessworkWho this book is for: Software engineers ready to go beyond frameworksLinux users who want to understand what their system is truly doingBackend, infrastructure, and systems engineersPerformance engineers and SREsAnyone who wants to think like the kernel doesNo fluff. No hand-waving. Just real Linux internals explained clearly, visually, and practically. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. Codice articolo 9798244306668
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