Re: [Xen-devel] how to trace scheduling overheads using xentrace/xenalyze

2015-10-07 Thread Yu-An(Victor) Chen
Hi Dario, Thank you very much for your reply!!! It is very nice of you :) Yes I have checked the blog entry and that is actually where I started! To define my "scheduling overhead", I think I should tell you what I am trying to accomplish: So I am currently using Xen 4.5 to help us understand m

Re: [Xen-devel] how to trace scheduling overheads using xentrace/xenalyze

2015-10-07 Thread Dario Faggioli
On Tue, 2015-10-06 at 20:46 -0700, Yu-An(Victor) Chen wrote: > Hi, > Hi, > I am new to xen environment > Welcome :-) > and I am wondering how to trace scheduling overhead of guest vm using > xentrace/xenalyze ? > Have you had a look at this blog entry? It's from some time ago, but the basic co

[Xen-devel] how to trace scheduling overheads using xentrace/xenalyze

2015-10-06 Thread Yu-An(Victor) Chen
Hi, I am new to xen environment and I am wondering how to trace scheduling overhead of guest vm using xentrace/xenalyze ? I have tried using $xentrace -D -e all -S 256 {filename} and then use various xenalyze options but most of them gave me empty result, and I dont really see where I can get sc