atop ☆
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Description:
Advanced system and process monitor for Linux using process events
Type: Formula  |  Latest Version: 2.12.1@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: monitoring system-utilities performance logging linux
Install: brew install atop
About:
Atop is a full-performance system monitor for Linux that logs process-level resource usage to disk for historical analysis. It captures a wide variety of metrics including CPU, memory, disk, and network activity, along with kernel-level process events. Its unique event-based logging enables detailed post-mortem troubleshooting of system behavior over time.
Key Features:
  • Event-based process accounting for granular historical analysis
  • Integrated logging and replay tools (atop, atopacctd, atopdaily)
  • Comprehensive resource monitoring: CPU, memory, disk I/O, and network
  • Interactive, color-coded interface for real-time system inspection
Use Cases:
  • Post-mortem analysis of system bottlenecks and process behavior
  • Capacity planning and resource usage auditing over time
  • Real-time monitoring of high-load production servers
Alternatives:
  • htop – htop offers a more user-friendly interactive process viewer but lacks atop's historical logging and event-based accounting.
  • sar (sysstat) – sar provides system-wide historical metrics but does not track individual process events with the same granularity as atop.
License: GPL-2.0-or-later
Dependencies: glib, ncurses, zlib
Bottles available for: arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
May 14, 2023 1:08pm 0 VERSION_BUMP 2ef32bce
May 14, 2023 12:09pm 0 VERSION_BUMP b4835794
Jan 7, 2023 11:04pm 0 VERSION_BUMP d1502596
Jan 7, 2023 11:04pm 0 VERSION_BUMP 342e2119
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