Re: [RFC PATCH 0/4] cgroup aware workqueues
From: Bandan Das
Date: Mon Mar 21 2016 - 13:50:01 EST
Christian Borntraeger <borntraeger@xxxxxxxxxx> writes:
> On 03/18/2016 11:14 PM, Bandan Das wrote:
>> Two guests running netperf in parallel.
>> Without patches With patches
>> TCP_STREAM (10^6 bits/second) 975.45 978.88
>> TCP_RR (Trans/second) 20121 18820.82
>> UDP_STREAM (10^6 bits/second) 1287.82 1184.5
>> UDP_RR (Trans/second) 20766.72 19667.08
>> Time a 4G iso download 2m 33 seconds 3m 02 seconds
> So TCP stream stays the same everything else shows a regression? Not good.
> Have you an idea why this happens?
I am not sure yet but my guess is the way these patches implement cgroup
support. I will run some tests just with workqueues (and without these patches) and
see if the newer numbers are consistent with these.