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Mark Ray edited this page Apr 20, 2026
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LinuxKI v8.0 is now available as of February 12, 2026. It now supports Linux kernel versions through 6.17. Version 8.0 also introduces new KVM guest VM reporting features when data is collected on a KVM Host.
For other enhancements and fixes - See What's New!
- Download latest RPM or DEB package on the Releases page
LinuxKI Video Series
LinuxKI Quick Reference Guide
LinuxKI Frequently Asked Questions
LinuxKI MasterClass
Contact Mark Ray at mray30188@gmail.com OR Rahul Kulkarni at rahul.kulkarni@hpe.com
- LinuxKI Mainpage
- LinuxKI Basic Documentation
- LinuxKI 8.0 - New!!
- LinuxKI Video Series
-
LinuxKI Warnings
- System Management Interrupts (SMI)
- Speculative Return Stack Overflow (SRSO) mitigation may negatively impact performance
- Benefits and Costs of KVM Halt Polling
- Heavy spinlock contention using mq-deadline IO scheduler with high IOPS
- Suspect SOS_BLOCKALLOCPARTIALLIST spinlock contention
- Performance degradation due incorrect clocksource
- 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