Re: [Qemu-discuss] Guest network performance is painfully slow

2014-08-18 Thread Tony Su
Unless someone says differently, I believe that doesn't change the likely fact that the main KVM is different than what you are doing and would perform much better. Tony On Sun, Aug 17, 2014 at 8:09 PM, JHM j...@juliohm.com.br wrote: Sorry, I'm taking my first steps with qemu here. The man

Re: [Qemu-discuss] Guest network performance is painfully slow

2014-08-18 Thread Peter Maydell
On 18 August 2014 07:09, Tony Su ton...@su-networking.com wrote: Unless someone says differently, I believe that doesn't change the likely fact that the main KVM is different than what you are doing and would perform much better. No, Julio is correct. The KVM functionality was all merged into

[Qemu-discuss] Guest execution statistics from QEMU

2014-08-18 Thread Mie Ite
Hi everyone, I would like to know the following information of the guest application executed in QEMU: - the number of guest instructions executed per each function call - the number of memory access instructions - the address and size of each executed load / store It it possible to extract

Re: [Qemu-discuss] Guest network performance is painfully slow

2014-08-18 Thread Brian Rak
Why are you using e1000 and not virtio? The virtio drives have significantly better performance Ubuntu should also have native support for them. On 8/17/2014 10:34 PM, JHM wrote: Salutations to all members, first off. This is my first post in the discussion group. I searched for this

Re: [Qemu-discuss] Guest execution statistics from QEMU

2014-08-18 Thread Brian Rak
You could look at the KVM perf support, but I'm unsure if that gives you enough detail: http://www.linux-kvm.org/page/Perf_events On 8/18/2014 8:26 AM, Mie Ite wrote: Hi everyone, I would like to know the following information of the guest application executed in QEMU: - the number of

[Qemu-discuss] Space use

2014-08-18 Thread Dale R. Worley
Is there any program that gives a good view of the space used in the repository by various files? I know that the space use will vary depending on what is packed and exactly how the packing is going, but I've got a situation where I don't need exact information; rather I'm looking for particular

Re: [Qemu-discuss] Guest execution statistics from QEMU

2014-08-18 Thread Peter Maydell
On 18 August 2014 15:32, Dale R. Worley wor...@alum.mit.edu wrote: The per each function call metric is tricky, because you'd need to define what a function call is. In particular, on some guest CPU architectures it's genuinely not possible to reliably distinguish function call return from a

Re: [Qemu-discuss] Guest execution statistics from QEMU

2014-08-18 Thread JHM
Well, I'll humbly apologize for wasting everyone's time :( Our client connections are coming from Brazil and the server is hosted in Canada. Turns out, the ISP we are using had issues that were resolved last night. I haven't changed any qemu parameters for the last couple of days. Last night we