Technical Implementation Plan & Code Solution
1. Process Drill-Down Architecture
To inspect individual threads, open files, and active sockets of a target process on demand:
- Threads:…
Technical Implementation Plan & Code Solution
1. High-Performance Process Collection Architecture
Enumerating hundreds of processes at 1–2 Hz requires minimal allocations and caching of…
Technical Implementation Plan & Code Solution
1. IOKit Disk I/O Telemetry Architecture
macOS tracks block storage read/write performance in the IORegistry under IOBlockStorageDriver…
Technical Implementation Plan & Code Solution
1. APFS Volumes & Capacity Architecture
Under macOS Sonoma, APFS uses dynamic container sharing where multiple volumes share a common pool of…
Technical Implementation Plan & Code Solution
1. Memory Subsystem Architecture
To match macOS Activity Monitor, RAM must be divided into:
- App Memory: Active pages + anonymous…
Technical Implementation Plan & Code Solution
1. Load Averages & Task Concurrency Architecture
Unix load averages represent the exponentially damped moving average number of runnable and…
Technical Implementation Plan & Code Solution
1. Mach Kernel & BSD Sysctl Counters
macOS maintains cumulative 64-bit performance counters in the kernel for thread scheduling and interrupt…
Technical Implementation Plan & Code Solution
1. Mach Host Processor Load Architecture
MacOS Mach kernel exposes fine-grained tick counters for every logical processor core via `host_proces…
Technical Implementation Plan & Code Solution
1. AppleSMC Fan Architecture & Key Protocol
Intel Macs expose fan counts and per-fan parameters via structured SMC keys:
FNum(type…
Technical Implementation Plan & Code Solution
1. Intel Thermal Architecture & Key Matrix
Intel CPUs on macOS report internal DTS (Digital Thermal Sensor) core temperatures, PECI (Platform…
Technical Implementation Plan & Code Solution
1. Low-Level Architecture & IOKit Mach Structures
The Apple System Management Controller (AppleSMC) communicates via the AppleSMCClient…
Technical Implementation Plan & Code Solution
1. Architecture Overview
The application follows a decoupled Unidirectional Data Flow (UDF) pattern:
- **Low-Level Telemetry Layer (Objective-…