CentOS Stream 10 – Common Problem 049 – Diagnosis and Fix

📖 ~1 min read

Table of contents

1. Symptom & Impact
2. Environment & Reproduction
3. Root Cause Analysis
4. Quick Triage
5. Step-by-Step Diagnosis
6. Solution – Primary Fix
7. Solution – Alternative Approaches
8. Verification & Acceptance Criteria
9. Rollback Plan
10. Prevention & Hardening
11. Related Errors & Cross-Refs
12. References & Further Reading

Symptom & Impact

After applying tuned virtual-guest, latency-critical workload still throttles.

Environment & Reproduction

Virtualized CentOS Stream 10 hosts running databases.

cat /etc/os-release
uname -r
rpm -qa | grep 

Root Cause Analysis

tuned profile inherits suboptimal defaults for the workload class.

Quick Triage

Confirm package, network, SELinux and firewall state.

tuned-adm active
tuned-adm list
systemctl status tuned

Step-by-Step Diagnosis

Drill into tuned/profile state and recent journal entries to isolate the failure.

tuned-adm verify
journalctl -u tuned -n 50

Solution – Primary Fix

Apply the standard remediation for tuned/profile on CentOS Stream 10.

sudo tuned-adm profile throughput-performance
sudo systemctl restart tuned

Solution – Alternative Approaches

Create a custom profile under /etc/tuned with parent=virtual-guest.

Verification & Acceptance Criteria

Validate the fix with positive functional checks before closing.

tuned-adm active
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

Rollback Plan

Revert to the previous known-good configuration if the fix regresses.

sudo tuned-adm profile virtual-guest

Prevention & Hardening

Codify the fix in configuration management and add monitoring.

Bake tuned profile into kickstart and CI image.

Related Errors & Cross-Refs

cpupower frequency-info mismatches.

Related tutorial: View the step-by-step tutorial for centos-stream-10.

View all centos-stream-10 tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

tuned profile reference.