sysmon

A terminal-based system monitor written in Go that displays CPU, memory, GPU, and process information in real-time.

Features

• Real-time CPU usage (overall and per-core)
• Memory usage statistics
• GPU usage and memory (via nvidia-smi for NVIDIA or rocm-smi for AMD, if available)
• Top processes by CPU usage
• Clean, readable terminal interface

Requirements

• Go 1.21 or later
• Linux system (for system stats)
• nvidia-smi (optional, for NVIDIA GPU stats)
• rocm-smi (optional, for AMD GPU stats)

Installation

Using bin (Recommended)

bin is a lightweight binary manager that makes installing and updating sysmon easy:

# Install bin if you don't have it
curl -sSfL https://raw.githubusercontent.com/marcosnils/bin/master/install.sh | sh

# Install sysmon using bin
bin install github.com/PinePeakDigital/sysmon

After installation, sysmon will be available in your PATH (typically ~/.local/bin/ on Linux/macOS).

From Source

go mod tidy
go build -o sysmon

Usage

./sysmon

Press q or Ctrl+C to exit.

Output Format

The TUI displays:

• CPU and GPU usage percentages
• Memory and GPU memory percentages
• Per-core CPU usage (4 cores per line)
• Top 10 processes by CPU usage (PID, CPU%, MEM%, COMMAND)