tag

#diagnostics

3 posts

macOSDeep Dive July 11, 2026 4 min read

Unified Logging: How os_log Replaced syslog on macOS

Why traditional plain-text syslog couldn't keep up with modern macOS's logging needs, and how the unified logging system's structured, activity-tracing design fixes the problems that made old-style logs so hard to use for real diagnosis.

#logging#os-log#diagnostics

WindowsDeep Dive July 11, 2026 4 min read

Event Tracing for Windows (ETW): The Kernel's Built-In Instrumentation System

The high-performance, always-available tracing infrastructure built directly into the Windows kernel, and why it's the foundation nearly every serious Windows diagnostic and monitoring tool is actually built on.

#etw#tracing#diagnostics

macOSHow-To July 10, 2026 3 min read

How to Use Console.app for Diagnosing Problems on macOS

A complete walkthrough reading the unified logging system through Console — filtering the noise down to the specific process or subsystem actually relevant to a problem you're diagnosing.

#howto#console#logging