Re: [PATCH] page_alloc.c: inline __rmqueue()

From: Aaron Lu
Date: Mon Oct 09 2017 - 22:52:02 EST


On Mon, Oct 09, 2017 at 01:23:34PM -0700, Dave Hansen wrote:
> On 10/08/2017 10:44 PM, Aaron Lu wrote:
> > On a 2 sockets Intel-Skylake machine:
> > base %change head
> > 77342 +6.3% 82203 will-it-scale.per_process_ops
>
> What's the unit here? That seems ridiculously low for page_fault1.
> It's usually in the millions.

per_process_ops = processes/nr_process

since nr_process here is nr_cpu, so on the 2 sockets machine with 104
CPUs, processes are 8043568(base) and 8549112(head), which are in the
millions as you correctly pointed out.