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VDSO: Standards & Overview

vDSO (virtual dynamic shared object) is a kernel mechanism for exporting a carefully selected set of kernel space routines to user space applications so that applications can call these kernel space routines in-process, without incurring the performance penalty of a mode switch from user mode to kernel mode that is inherent when calling these same kernel…

Language: English [EN]
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VDSO topic overview

The analysis highlights Standards and Overview as prominent areas in the source structure around VDSO.

Related topics
20
Source areas
1
Connected nodes
21
Extracted relationships
2
Related term clusters
21
Bridge connections
21

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 20 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

For the semantics nerds

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Advanced semantic analysis

How VDSO connects Entity context

The extracted context around VDSO shows recurring relationship patterns in the source. For example, VDSO → memory area allocated in user space which exposes some kernel functionalities. vDSO is dynamically allocated. Use these groups to spot repeated connection types before inspecting the individual relationships.

VDSO

Top relations

is a · 1
VDSO → memory area allocated in user space which exposes some kernel functionalities. vDSO is dynamically allocated

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

kernel system space routines standard allocated glibc virtual dynamic user call calling interface format memory four calls provide support security

VDSO relationships Subject–Predicate–Object triples

TTTA extracted 2 structured relationships around VDSO. Examples in this analysis include VDSO → is a → memory area allocated in user space which exposes some kernel functionalities. vDSO is dynamically allocated and IA-32 → instance of → and it also can work as a way to select the best system-call method on some computer architectures. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
VDSOis amemory area allocated in user space which exposes some kernel functionalities. vDSO is dynamically allocated0.90text
IA-32instance ofand it also can work as a way to select the best system-call method on some computer architectures0.80text

Related concept clusters Related term clusters

The concept neighborhoods around VDSO bring nearby vocabulary together. In this analysis, examples include System, Allocated and Call. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • VDSO
    • System
    • Allocated
    • Call
    • Calling
    • Calls
    • Dynamic
    • Four
    • Glibc
    • Interface
    • Kernel
    • Memory
    • Security
  • vdso
    • System
    • Allocated
    • Call
    • Calling
    • Calls
    • Dynamic
    • Four
    • Glibc
    • Interface
    • Kernel
    • Memory
    • Security
  • kernel space
    • Applications
    • Calling
    • In-process
    • Incurring
    • Linking
    • Loading
    • Mode
    • Penalty
    • Performance
    • Standard
    • User
    • Without
  • user mode
    • Applications
    • In-process
    • Incurring
    • Linking
    • Loading
    • Mode
    • Object
    • Penalty
    • Performance
    • Selected
    • Set
    • Shared
  • kernel mode
    • Calling
    • Linking
    • Loading
    • Object
    • Penalty
    • Performance
    • Selected
    • Set
    • Shared
    • Space
    • Standard
    • User
  • system call
    • Virtual
    • Vdso
    • Allocated
    • Calls
    • Four
    • Interface
    • Memory
    • Security
    • System
    • Carefully
    • Exporting
    • In-process
  • executable and linkable format
    • Routines
    • Dwarf
    • In-process
    • Incurring
    • Linking
    • Loading
    • Mechanism
    • Mode
    • Object
    • Penalty
    • Performance
    • Selected
  • dynamically allocated
    • Calls
    • Dynamic
    • Four
    • Interface
    • Memory
    • System
    • Applications
    • Carefully
    • Exporting
    • In-process
    • Incurring
    • Linking

Connections between topic areas Semantic bridges

Bridges highlight paths between different parts of the VDSO map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Map overview Semantic statistics

VDSO

Nodes22
Edges21
Triples2
Avg. degree1.91
Density0.090909
Components1

Source & methodology

TTTA analyzes the structure around VDSO to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Standards & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — VDSO · EN edition · Analysis: TopicsToTalkAbout

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