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

2014-08-18 Thread Peter Maydell
On 18 August 2014 07:09, Tony Su 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 upstream QEMU, and th

[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 execution statistics from QEMU

2014-08-18 Thread Jakob Bohm
On 8/18/2014 2:26 PM, Mie Ite wrote: 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 lo

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 to

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 gue

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

2014-08-18 Thread Dale R. Worley
> From: "Mie Ite" > > 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

[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 f

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

2014-08-18 Thread Peter Maydell
On 18 August 2014 15:32, Dale R. Worley 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 computed branch.

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 ha