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.
Key Features
- 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.
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Read our verdict in the software roundup.
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