4 ms·
> but very little cpu time is spent on kernel overhead for any heavy io application I would really like to see some backing for that claim. In I/O heavy applic
by unmole 8y ago
> but very little cpu time is spent on kernel overhead for any heavy io application
I would really like to see some backing for that claim. In I/O heavy applications that I've seen (Think performance enhancing proxies), syscalls easily account for over half the CPU cycles.
- grandinj 8y agomost of that is spent in the network stack, not the userspace->kernel layer
- cma 8y agohttps://www.epicgames.com/fortnite/forums/news/announcements/132642-epic-services-stability-update https://www.epicgames.com/fortnite/forums/news/announcements... That was directly from userspace->kernel getting slowed down, to send on the network.