spdlog

Install

Header-only version

Compiled version (recommended - much faster compile times)

Platforms

Package managers:

Features

Usage samples

Basic usage

Create stdout/stderr logger object

Basic file logger

Rotating files

Daily files

Backtrace support

Periodic flush

Stopwatch

Log binary data in hex

Logger with multi sinks - each with a different format and log level

User-defined callbacks about log events

Asynchronous logging

Asynchronous logger with multi sinks

User-defined types

User-defined flags in the log pattern

Custom error handler

syslog

Android example

Load log levels from the env variable or argv

Log file open/close event handlers

Replace the Default Logger

Log to Qt with nice colors

Mapped Diagnostic Context

Benchmarks

Synchronous mode

Asynchronous mode

Documentation