sar output shows 100% user cpu

[robm]

We have an unprivileged LXC centOS 7 container set up on the latest Proxmox. After installing sysstat, sar output shows user cpu at 100%, with cpu being 0% idle, even though there is little to no load on the container or the node.

Anyone ever run into this before? Any workaround to get accurate sar data?

Thanks!

Rob

 

[robm]

Following up on this, "top" shows normal loads as expected. "htop" shows idle processes pegging the CPU, so it seems to be behaving erratically like the sar output. Graphs in the web gui all look correct.

Hopefully there is a way to adjust sar to work in an LXC container using a stock centOS 7 image.

 

[robm]

A reboot of the container and sar has returned to normal. Very odd, but all seems fine in our CTs now.