On Fri, 28 Jan 2005 13:36:59 -0500, Marc E. Fiuczynski <[EMAIL PROTECTED]> wrote: > Looking at a class' stats file, it appears that the CPU scheduler accounts > for all time spent on behalf of a class. Would it be difficult to modify > the CPU scheduler to maintain stats on how much of that time is in user > space vs. kernel space?
I think it should be easy since reporting the additional numbers doesn't require any change to the core logic of the scheduler. > > Also, when an interrupt is handled by the system, is that time charged to a > slice or to the system class? It's charged to the current class. Yes, it might be a cause of unfairness if interrupts consume significant amount of time. But isn't it a tradtional thing that Linux does? Haoqiang ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
