question-mark
Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Agent consuming excessive CPU during / after IMA measurement

See original GitHub issue

Environment

  • OS / version: Fedora 31
  • Processor architecture: VM
  • TPM Manufacturer: Emulator
  • Keylime version: master

Description

Some CPU spikes have been observed up to 100%

This continues even after changing the agents operation status to deleted. Only way to stop is to ctrl break the agent.

Steps to reproduce problem

  1. Provision with the following as an example: keylime_tenant -t 127.0.0.1 -v 127.0.0.1 --cert /root/democa --exclude /root/excludes.txt --whitelist /root/whitelist.txt --include /root/payload -c add

Relevant logs

Issue Analytics

  • State:open
  • Created 4 years ago
  • Comments:11 (8 by maintainers)

github_iconTop GitHub Comments

1reaction
mdroccocommented, Apr 10, 2020

Is that the whitelist for IMA verification? If yes, this is surprising to me, as I thought (based only on log interpretation) that the measurement/IMA matching was performed by the verifier and the agents simply sent the measurements. Did I get it wrong?

0reactions
stale[bot]commented, Jul 12, 2020

This issue has been automatically marked as stale because it has not had recent activity. It will be closed after 7 days if no further activity occurs. Thank you for your contributions.

Read more comments on GitHub >

github_iconTop Results From Across the Web

High %sys CPU usage an uptick in the load when 3rd party ...
The high CPU utilization in the kernel-space ( %system ) is due to spinlock contention caused by the Trend Micro Deep Security module...
Read more >
High CPU usage on machines with Deep Security Agent
The CPU is being used for the cleanup of Integrity Monitoring baselines. This may cause a sudden increase in CPU usage. CPU usage...
Read more >
Imperva´s Agent | Imperva Cyber Community
Agent CPU utilization is typically within 3% of the CPU of the DBs and it should not cause any degradation in normal operations....
Read more >
High CPU and memory usage on some PCs after the ... - N-able
High CPU and memory usage on some PCs after the installation of N-able agent. Everything went back to normal after removing the N-able...
Read more >
Common Causes for High CPU with the Windows OS Agent
An inefficiently written situation formula can also cause high CPU utilization. Using wildcard characters (*) and/or the MISSING function in situations is one ......
Read more >

github_iconTop Related Medium Post

No results found

github_iconTop Related StackOverflow Question

No results found

github_iconTroubleshoot Live Code

Lightrun enables developers to add logs, metrics and snapshots to live code - no restarts or redeploys required.
Start Free

github_iconTop Related Reddit Thread

No results found

github_iconTop Related Hackernoon Post

No results found

github_iconTop Related Tweet

No results found

github_iconTop Related Dev.to Post

No results found

github_iconTop Related Hashnode Post

No results found