collectl is a lightweight open source performance monitoring tool capable of reporting interactively as well as logging to disk.
This software reports statistics on cpu, disk, infiniband, lustre, memory, network, nfs, process, quadrics, slabs and more in an easy to read format.
collectl has been tested at scale within the HP Public Cloud.
Features include:
- Fine Grained, Non-Drifting Monitoring.
- Interactive, record, and playback modes.
- Uses less than 0.1% CPU.
- Report aggregated performance numbers on many devices such as CPUs, Disks, interconnects such as Infiniband or Quadrics, Networks and the Lustre file system.
- Report on individual devices if you want to see how the aggregate load is being generated
- Brief and verbose formats as a default interactive display format.
- Plot format to feed files into plotting tools that recognize delimiter separated fields such as gnuplot.
- Aligned Monitoring Intervals.
- Process and Slab Monitoring.
- Monitor process i/o statistics.
- Interrupt Reporting by CPU.
- Send data over a socket.
- Exportable data formats.
- IPMI monitoring for fans and temperature sensors.
- API for importing additional data.
Website: collectl.sourceforge.net
Support: Documentation
Developer: Mark Seger
License: GNU GPL v2, Artistic License
collectl is written in Perl. Learn Perl with our recommended free books and free tutorials.
Return to Alternatives to the Top Utility
| Popular series | |
|---|---|
 | The largest compilation of the best free and open source software in the universe. Each article is supplied with a legendary ratings chart helping you to make informed decisions. |
 | Hundreds of in-depth reviews offering our unbiased and expert opinion on software. We offer helpful and impartial information. |
 | Replace proprietary software with open source alternatives: Google, Microsoft, Apple, Adobe, IBM, Autodesk, Oracle, Atlassian, Corel, Cisco, Intuit, and SAS. |
 | Awesome Free Linux Games Tools showcases a series of tools that making gaming on Linux a more pleasurable experience. This is a new series. |
 | Machine Learning explores practical applications of machine learning and deep learning from a Linux perspective. We've written reviews of more than 40 self-hosted apps. All are free and open source. |
 | New to Linux? Read our Linux for Starters series. We start right at the basics and teach you everything you need to know to get started with Linux. |
 | Alternatives to popular CLI tools showcases essential tools that are modern replacements for core Linux utilities. |
 | Essential Linux system tools focuses on small, indispensable utilities, useful for system administrators as well as regular users. |
 | Linux utilities to maximise your productivity. Small, indispensable tools, useful for anyone running a Linux machine. |
 | Surveys popular streaming services from a Linux perspective: Amazon Music Unlimited, Myuzi, Spotify, Deezer, Tidal. |
 | Saving Money with Linux looks at how you can reduce your energy bills running Linux. |
 | Home computers became commonplace in the 1980s. Emulate home computers including the Commodore 64, Amiga, Atari ST, ZX81, Amstrad CPC, and ZX Spectrum. |
 | Now and Then examines how promising open source software fared over the years. It can be a bumpy ride. |
 | Linux at Home looks at a range of home activities where Linux can play its part, making the most of our time at home, keeping active and engaged. |
 | Linux Candy reveals the lighter side of Linux. Have some fun and escape from the daily drudgery. |
 | Getting Started with Docker helps you master Docker, a set of platform as a service products that delivers software in packages called containers. |
 | Best Free Android Apps. We showcase free Android apps that are definitely worth downloading. There's a strict eligibility criteria for inclusion in this series. |
 | These best free books accelerate your learning of every programming language. Learn a new language today! |
 | These free tutorials offer the perfect tonic to our free programming books series. |
 | Linux Around The World showcases usergroups that are relevant to Linux enthusiasts. Great ways to meet up with fellow enthusiasts. |
 | Stars and Stripes is an occasional series looking at the impact of Linux in the USA. |