Re: [Xen-devel] [PATCH 3/6] xen: credit: rearrange members of control structures

2017-07-21 Thread George Dunlap
On 06/23/2017 11:55 AM, Dario Faggioli wrote: > With the aim of improving memory size and layout, and > at the same time trying to put related fields reside > in the same cacheline. > > Here's a summary of the output of `pahole`, with and > without this patch, for the affected data structures. >

[Xen-devel] [PATCH 3/6] xen: credit: rearrange members of control structures

2017-06-23 Thread Dario Faggioli
With the aim of improving memory size and layout, and at the same time trying to put related fields reside in the same cacheline. Here's a summary of the output of `pahole`, with and without this patch, for the affected data structures. csched_pcpu: * Before: size: 88, cachelines: 2, members