On Fri, Jun 29, 2012 at 11:13:20AM +0900, Atsushi Kumagai wrote: > Hello, > > I improved prototype of cyclic processing as version 2. > If there is no objection to basic idea, I want to consider the things > related to performance as next step. (Concretely, buffer size and the patch set > HATAYAMA-san sent a short time ago.) > Hi Atushi san, Good to see this work making progress. I have few queries. - Do you have some numbers for bigger machines like 1TB or higher memory. I am curious to know how bad is the time penalty. - Will this work with option -F (flattned format). Often people save filtered dump over ssh and we need to make sure it does work with -F option too. > > Version 1: > > http://lists.infradead.org/pipermail/kexec/2012-May/006363.html - I have few queries about the diagram in the link above. - What is 1st cycle, 2nd cycle and 3rd cycle. Are we cycling thorough all the pages 3 times for everything? - What is 1st bitmap and 2nd bitmap and page_header? And why 3 cycles for each. - And why 3 cycles for page_data. Thanks Vivek