3 ms·
Can you share if you needed to do anything to deal with time drift issues when using tsc? For my own systems, incorrect timestamps would cause a lot of issues.
by aluminussoma 10y ago
Can you share if you needed to do anything to deal with time drift issues when using tsc? For my own systems, incorrect timestamps would cause a lot of issues.
- brendangregg 10y agoWell, it's been a few years and we haven't switched it back. :) We have had a number of clock issues, and one of the first things I try is taking and instance and switching it back to xen for a few days, but those issues have not turned out to be the clocksource. Usually NTP. AWS can comment more about the state (safety/risk) of these clocksources (given they have access to all the SW/HW internals).
- bdarfler 10y agoLooks like AWS recommends TSC as well. https://www.slideshare.net/AmazonWebServices/cmp402-amazon-ec2-instances-deep-dive/24 https://www.slideshare.net/AmazonWebServices/cmp402-amazon-e...