Welcome to Handystats’ documentation!

Handystats is C++ library for collecting user-defined in-process runtime statistics.

Handystats allows users to monitor their multithreaded applications in a production environment with low overhead.

Caution

Handystats library is in “beta” phase. Everything may be changed!

Contents:

• About
  • What Is Handystats?
  • What Problem We Are Aimed To Solve?
  • Motivation
  • Inspiring Example
• Architecture
  • Metrics
  • Measuring Points
  • Event Message Queue
  • Processing Core
  • Metrics And JSON Dumps
• Incremental Statistics
  • Definition
  • Interval Statistics
  • Exponential Moving Average
  • Exponential Smoothing Technique For Time Intervals
  • List of Handystats’ Incremental Statistics
  • Incremental Statistics Implementation
• Metrics
  • Counters
  • Timers
  • Gauges
• Configuration
  • Incremental Statistics Configuration
  • Timer Metric Configuration
  • JSON Dump Configuration
  • Metrics Dump Configuration
  • Message Queue Configuration
• Time Measurement
  • Clock Sources
  • POSIX Clocks
  • Time Intervals And Timestamps
  • Clock Concept
  • Implementation Details