System Monitor 📊

System Monitor is a lightweight, cross-platform CLI tool for real-time system monitoring with intelligent scaling and color-coded feedback. Built with Rust for maximum performance and minimal resource usage.

English | Español

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✨ Features

• 🖥️ CPU Monitoring - Intelligent display with compact/detailed modes
• 💾 Memory Tracking - RAM usage with visual indicators
• 💽 Disk Usage - Space usage for all mounted drives
• 📊 Process Monitoring - Top processes by CPU and memory
• 🌐 Network Statistics - Real-time download/upload speeds
• 🎨 Color-Coded UI - Green/Yellow/Red based on usage levels
• ⏱️ System Uptime - Track system runtime
• 🔄 Watch Mode - Continuous real-time updates
• 🚀 Blazing Fast - Native Rust performance
• 🌍 Cross-Platform - Windows, Linux, and macOS

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🚀 Quick Start

Installation

# Clone and build
git clone https://github.com/SoftDryzz/system_monitor.git
cd system_monitor
cargo build --release

# Run
./target/release/sysmon

Or download pre-compiled binaries from Releases.

Basic Usage

# Single snapshot with colors
sysmon

# Detailed view (all CPU cores, more processes)
sysmon --detailed

# Watch mode (continuous updates)
sysmon --watch

# Watch mode with details and custom interval
sysmon --watch --detailed --interval 2

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📊 Example Output

╭─────────────────────────────────────────────────────────╮
│   System Monitor v0.4.0                                 │
╰─────────────────────────────────────────────────────────╯

CPU:  34.5% (8 cores)  [██████░░░░░░░░░░░░░░]    ← Yellow (moderate)
  Top 3: Core 0 (52%) Core 4 (48%) Core 7 (46%)

Memory:  8.34/16.00 GB (52.1%)  [██████████░░░░░░░░░░]  ← Yellow

Disk Usage:
  C:\       450.0/1000.0 GB ( 45.0%)  [███████░░░░░░░░]  ← Yellow
  D:\       200.0/ 500.0 GB ( 40.0%)  [██████░░░░░░░░░]  ← Yellow

Network:
  ↓ Download: 5.2 MB/s     ← Green (active)
  ↑ Upload:   1.3 MB/s     ← Green (active)
  Total RX:   2.5 GB
  Total TX:   850 MB

Top 5 Processes (by CPU):
   1. firefox.exe        PID  1234   25.2%    2.5 GB  ← Red (high CPU)
   2. chrome.exe         PID  5678   15.1%    1.8 GB
   3. Code.exe           PID  9012   10.4%    1.2 GB

Top 3 Processes (by Memory):
   1. chrome.exe         PID  5678   15.1%    2.8 GB  ← Red (high memory)
   2. firefox.exe        PID  1234   25.2%    2.5 GB

Uptime: 2 days, 0 hours, 32 minutes

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🎨 Color Coding

Color	Usage Level	Meaning
🟢 Green	0-30%	Healthy, low usage
🟡 Yellow	30-70%	Normal, moderate usage
🔴 Red	70-100%	High usage, attention needed

Applied to: CPU, Memory, Disk, and Process metrics

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💻 Commands

Command	Description
sysmon	Compact view with colors
sysmon --detailed	Detailed view (all cores)
sysmon --watch	Continuous updates
sysmon -w -d -i 3	Watch detailed, 3s interval
sysmon --help	Show help
sysmon --version	Show version

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📦 What's New in v0.4.0

🌐 Network Statistics

• Real-time download/upload speeds
• Automatic unit conversion (B/s → GB/s)
• Total bytes received/transmitted

🎨 Color-Coded UI

• Visual health indicators throughout
• Instant feedback on system status
• Professional terminal appearance

Full Changelog | User Guide

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🗺️ Version History

Version	Features
v0.4.0	Network stats, Color-coded UI
v0.3.0	Process monitoring, Intelligent scaling
v0.2.1	Disk usage monitoring
v0.2.0	Watch mode, Continuous updates
v0.1.0	Initial release

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🛠️ Development

Build

cargo build --release

Test

cargo test
cargo clippy
cargo fmt

Project Structure

src/
├── main.rs              # Entry point
├── cli.rs               # CLI parsing
├── monitor/
│   ├── cpu.rs           # CPU monitoring
│   ├── memory.rs        # Memory monitoring
│   ├── disk.rs          # Disk monitoring
│   ├── network.rs       # Network monitoring
│   ├── process.rs       # Process monitoring
│   └── system.rs        # System facade
└── display/
    └── formatter.rs     # Output formatting + colors

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🤝 Contributing

Contributions welcome! See USER_GUIDE.md for details.

1. Fork the repository
2. Create feature branch: git checkout -b feature/amazing
3. Commit changes: git commit -m 'feat: add amazing feature'
4. Push and create Pull Request

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📄 License

MIT License - see LICENSE file.

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👤 Author

SoftDryzz

• GitHub: @SoftDryzz
• Project: system_monitor

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🙏 Acknowledgments

• sysinfo - System information
• clap - CLI parsing
• crossterm - Terminal manipulation
• colored - Terminal colors
• ctrlc - Signal handling

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⭐ Star this project if you find it useful!