unexpected output vmstat -s

[Sander van Vugt]

Hi List,

I notices something I don't understand in the vmstat -s output. In other 
Linux distributions I know, the amount of interrupts is always much 
higher than the amount of context switches. As far as I know, that from 
the operating system perspective is also what you would expect, as a 
context switch needs a timer interrupt to do its work. Now when I do 
vmstat -s on Ubuntu Server 8.04, the amount of context switches is about 
5 times as high as the amount of interrupts, where I would expect the 
exact opposite. Can anyone explain this? Is this a specific Ubuntu feature?

Thanks,
Sander