sumant1122/Perfmon: Perfmon is TUI that shows essential performance monitoring commands in one place. It uses tabbed approach for showing the results. Its quick way to find the stats in one place

Perfmon is a TUI that shows essential performance monitoring commands in one place. It uses a tabbed approach for showing the results, making it quick to find stats in one place.

• Tabbed command output with keyboard navigation
• Summary strip with sparklines (load, CPU, memory, network)
• Disabled tab detection with install hints
• Configurable tabs via TOML
• Theme toggle (t)

Quit with q, Q, Esc, or Ctrl+C.

Perfmon can load a custom tab list from a TOML file. Search order:

1. PERFMON_CONFIG env var (full path)
2. $XDG_CONFIG_HOME/perfmon/config.toml (or ~/.config/perfmon/config.toml)
3. ./perfmon.toml

Example perfmon.toml:

# Global refresh rate (default: 5s)
global_refresh_interval = "5s"

[[tab]]
title = "uptime"
cmd = ["uptime"]

[[tab]]
title = "top (fast)"
cmd = ["top", "-b", "-n", "1"]
refresh_interval = "1s" # Override global rate

If no configuration file is found, Perfmon falls back to a sensible default set:

• Load: uptime
• CPU: vmstat (or mpstat)
• Memory: free -m (Linux) or vm_stat (macOS)
• Net: /proc/net/dev (Linux) or netstat (macOS)
• Top: top

See CONTRIBUTING.md for instructions on how to set up your development environment and contribute to the project.