Re: [Qemu-devel] errno 13, fopen qemu trace file.

2016-08-18 Thread Nir Levy
- From: Daniel P. Berrange [mailto:berra...@redhat.com] Sent: Thursday, August 18, 2016 4:11 PM To: Nir Levy Cc: qemu-devel@nongnu.org; Stefan Hajnoczi Subject: Re: [Qemu-devel] errno 13, fopen qemu trace file. On Thu, Aug 18, 2016 at 12:58:29PM +, Nir Levy wrote: > Hello everybody, > >

Re: [Qemu-devel] errno 13, fopen qemu trace file.

2016-08-18 Thread Nir Levy
Hello Stefan, you are right that those are initial latencies, I just gave those example for highlighting my goals. I have started reading the ../Virtual/kvm/api. Documentation this is from where I intent to learn the operation I have printed. still I am stuck with Asocs' testing libvirtd not allo

Re: [Qemu-devel] errno 13, fopen qemu trace file.

2016-08-18 Thread Daniel P. Berrange
On Thu, Aug 18, 2016 at 01:31:19PM +, Nir Levy wrote: > Daniel, Thanks for your response. > > But I have succeeded using simpletrace when building libvirt from source file > into some/other/dir/install I can only assume you built libvirt so that qemu runs as root, instead of an unprivileged

Re: [Qemu-devel] errno 13, fopen qemu trace file.

2016-08-18 Thread Stefan Hajnoczi
On Thu, Aug 18, 2016 at 1:58 PM, Nir Levy wrote: > I have a progress in tracing qemu, > I add the thread and tag done for each kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl > in purpose of investigating pure hypervisor activity and delays on host. > the kvm type print only for convenience. > > for examp

Re: [Qemu-devel] errno 13, fopen qemu trace file.

2016-08-18 Thread Daniel P. Berrange
On Thu, Aug 18, 2016 at 12:58:29PM +, Nir Levy wrote: > Hello everybody, > > I have a progress in tracing qemu, > I add the thread and tag done for each kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl > in purpose of investigating pure hypervisor activity and delays on host. > the kvm type print only

[Qemu-devel] errno 13, fopen qemu trace file.

2016-08-18 Thread Nir Levy
Hello everybody, I have a progress in tracing qemu, I add the thread and tag done for each kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl in purpose of investigating pure hypervisor activity and delays on host. the kvm type print only for convenience. for example: kvm_ioctl 3106435.230545 pid=11347 thre