Re: [E1000-devel] 82599 receive performance

2012-07-02 Thread Fischer, Anna
: Fischer, Anna Cc: e1000-devel@lists.sourceforge.net Subject: Re: [E1000-devel] 82599 receive performance On Thu, 2012-06-28 at 08:55 +, Anna Fischer wrote: > Hi, I have 2 VCPUs assigned to the VM. I thought more CPUs wouldn't > really help because a single TCP connection doesn&#x

Re: [E1000-devel] 82599 receive performance

2012-06-28 Thread Greg Rose
On Thu, 28 Jun 2012 09:00:34 -0700 Greg Rose wrote: > On Thu, 28 Jun 2012 09:03:51 + > "Waskiewicz Jr, Peter P" wrote: > > > On Thu, 2012-06-28 at 08:55 +, Anna Fischer wrote: > > > Hi, I have 2 VCPUs assigned to the VM. I thought more CPUs > > > wouldn't really help because a single TC

Re: [E1000-devel] 82599 receive performance

2012-06-28 Thread Greg Rose
Why else would it be slow if CPU resources are > > there. > > > > When I say maxed out I mean the VCPU of course, so those cores are > > not running at full capability. > > > > Anna > > > > > > __________________ > > From: "Waskiewicz Jr, Peter P"

Re: [E1000-devel] 82599 receive performance

2012-06-28 Thread Waskiewicz Jr, Peter P
are there. > > When I say maxed out I mean the VCPU of course, so those cores are not > running at full capability. > > Anna > > > __ > From: "Waskiewicz Jr, Peter P" > Date: Thu, 28 J

Re: [E1000-devel] 82599 receive performance

2012-06-28 Thread Anna Fischer
;Waskiewicz Jr, Peter P" Date: Thu, 28 Jun 2012 08:45:23 To: Fischer, Anna Cc: e1000-devel@lists.sourceforge.net Subject: Re: [E1000-devel] 82599 receive performance Hi Anna, On Thu, 2012-06-28 at 08:32 +, Fischer, Anna wrote: > Hi, I'm running a 10G 82599 controller in PCI SR-

Re: [E1000-devel] 82599 receive performance

2012-06-28 Thread Waskiewicz Jr, Peter P
Hi Anna, On Thu, 2012-06-28 at 08:32 +, Fischer, Anna wrote: > Hi, I'm running a 10G 82599 controller in PCI SR-IOV mode, and the VF is > assigned to a VM (PCI pass-through). I only enable a single VF (max_vfs=1). > On my machine I run KVM and just a single VM. > The machine has 4 Xeon X5550

[E1000-devel] 82599 receive performance

2012-06-28 Thread Fischer, Anna
Hi, I'm running a 10G 82599 controller in PCI SR-IOV mode, and the VF is assigned to a VM (PCI pass-through). I only enable a single VF (max_vfs=1). On my machine I run KVM and just a single VM. The machine has 4 Xeon X5550 cores. I've tested RX and TX throughput using iperf (TCP). Basically I w