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LinuxKI Video Series
Mark Ray edited this page Jul 17, 2019
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The LinuxKI Video Series consists of a number of short 3-7 minute videos that takes you through the Introduction, Download, and use of the LinuxKI Toolset. Watch them all in sequence, or pick and choose the subjects you want to watch.
- Part 1 - Introduction
- Part 2 - Installation
- Part 3 - Collecting Data
- Part 4 - LinuxKI Trace Data
- Part 5 - PID Analysis Report
- Part 6 - Disk Analysis Report
- Part 7 - CPU Analysis Report
- Part 8 - CPU Profile Report
- Part 9 - Wait Event Report
- Part 10 - File Activity Report
- Part 11 - Socket Activity Report
- Part 12 - Futex Activity Report
- Part 13 - Docker Activity Report
- Part 14 - Kparse Report
- Part 15 - Curses-based UI
Be sure to check out the LinuxKI Channel on YouTube, or just search for "LinuxKI", and watch for more videos in the future!
- LinuxKI Mainpage
- LinuxKI Basic Documentation
- LinuxKI 7.10 - New!!
- LinuxKI Video Series
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LinuxKI Warnings
- High System CPU utilization during memory allocations, deallocations, and page faults
- RunQ delays for critical processes can impact performance in a variety of ways
- Performance degradation on Microsoft Windows due to TCP interrupt timeouts
- Microsoft SQLServer scaling issues caused by SQL auto statistics
- Excessive page faults on KVM host
- Large IOs (>1MB) causing performance degradation on servers with PCIe Smart Array Controllers
- Oracle column tracking causing high CPU usage by Oracle processes
- Side-Channel Attack mitigation
- High SYS CPU time by processes reading /proc/stat such
- hugetlb_fault lock contention
- Excessive CPU time in pcc_cpufreq driver
- Excessive poll() calls by Oracle
- High wait time in md_flush()
- High BLOCK SoftIRQ times
- Network Latency Tuned profile
- Power vs. Performance
- Unaligned Direct IO
- NUMA Balancing
- NUMA Off
- SAP DB2 semget
- Semaphore Lock Scaling
- Tasklet IRQs
- Unterminated ixgbe NICs
- Poor Direct IO Reads
- RHEL 7.3 / SLES 12SP2 Multipath bug
- Barrier Writes