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Linux System Monitoring with eBPF
The document discusses Linux system monitoring using eBPF, highlighting its ability to provide deep insights into CPU, memory, network, and disk performance metrics. It emphasizes best practices for monitoring and showcases various system call metrics and latencies. The content is supported by contributions from notable figures in the field and includes resources for further reading and practical application.
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Linux System Monitoring with eBPF
- 1. Heinrich.Hartmann@Circonus.com Linux System Monitoringwith eBPF DevOpsDays Kiel, 2018-05-16 Heinrich Hartmann
- 2. Heinrich.Hartmann@Circonus.com System Monitoring isabout Kernel & Hardware
- 3. Heinrich.Hartmann@Circonus.com Best Practice: TheUSE Method https://www.circonus.com/2017/08/system-monitoring-with-the-use-dashboard CPU Memory Network Disks Utilization Saturation Errors
- 4. Heinrich.Hartmann@Circonus.com Best Practice: TheUSE Method https://www.circonus.com/2017/08/system-monitoring-with-the-use-dashboard CPU Memory Network Disks Utilization Saturation Errors
- 5. Heinrich.Hartmann@Circonus.com Lot’s of Unknownsremaining https://www.circonus.com/2017/08/system-monitoring-with-the-use-dashboard ? ? ? ~ ~ ~ CPU Memory Network Disks Utilization Saturation Errors
- 6. Heinrich.Hartmann@Circonus.com eBPF allows unparalleledinsights https://github.com/iovisor/bcc Credits: - Brendan Gregg @ Netflix (Sun) - Sasha Goldshtein @ Sela, Microsoft - Brenden Blanco @ VMWare - Linus Torvalds, et. al.
- 7. Heinrich.Hartmann@Circonus.com eBPF allows unparalleledinsights https://github.com/iovisor/bcc Credits: - Brendan Gregg @ Netflix (Sun) - Sasha Goldshtein @ Sela, Microsoft - Brenden Blanco @ VMWare - Linus Torvalds, et. al.
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- 13. Heinrich.Hartmann@Circonus.com Don’t shout inthe Datacenter Brendan Gregg (2008) https://www.youtube.com/watch?v=tDacjrSCeq4
- 14. Heinrich.Hartmann@Circonus.com System Calls: TheKernel API Monitor Rate Errors Duration System Call API
- 15. Heinrich.Hartmann@Circonus.com Syscalls: Rate /Count sched_yield (2tn) clock_time (1.5tn) recvfrom (300bn) 394 Metrics
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- 17. Heinrich.Hartmann@Circonus.com Syscall durations span>8 orders of magnitude 1s 100 ms 10 us 1.5 tn events total
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- 20. Heinrich.Hartmann@Circonus.com Further Reading Slides: @HeinrichHartman/ #dodkiel18 Code: https://github.com/circonus-labs/nad/.../bccbpf Blog: http://www.circonus.com/2018/05/linux-system-monitoring-with-ebpf/