Re: [Xen-users] Bug: xentop Domain-0 output CPU(sec) and CPU(%) sometimes too high

[Neszt Tibor <tibor@xxxxxxxx>]

Hi,

I also use Debian 9 and XEN 4.8.

# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 9.5 (stretch)
Release:        9.5
Codename:       stretch

# dpkg -l | grep xen
ii  grub-xen-bin                    2.02~beta3-5                             
amd64        GRand Unified Bootloader, version 2 (Xen binaries)
ii  grub-xen-host                   2.02~beta3-5                             
amd64        GRand Unified Bootloader, version 2 (Xen host version)
ii  libxen-4.8:amd64                4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
amd64        Public libs for Xen
ii  libxenstore3.0:amd64            4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
amd64        Xenstore communications library for Xen
ii  xen-hypervisor-4.8-amd64        4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
amd64        Xen Hypervisor on AMD64
ii  xen-linux-system-amd64          4.9+80+deb9u6                            
amd64        Xen system with Linux for 64-bit PCs (dummy package)
ii  xen-system-amd64                4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
amd64        Xen System on AMD64 (meta-package)
ii  xen-utils-4.8                   4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
amd64        XEN administrative tools
ii  xen-utils-common                4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
all          Xen administrative tools - common files
ii  xenstore-utils                  4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 
amd64        Xenstore command line utilities for Xen


Neszt Tibor
E-mail: tibor@xxxxxxxx
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On Wed, 17 Apr 2019, Damian Pietras wrote:

> On 17.04.2019 10:39, Neszt Tibor wrote:
> > I use munin to monitor xen servers and munin uses xentop command to
> > gather information:
> >
> > $ xentop -b -f -i2
> >
> > In rare cases the output of this command gives too high (it seems buggy)
> > values for CPU(sec) and CPU(%), this destroys the munin graphs.
> Hi,
>
> We are experiencing the same issue with XEN 4.8 from Debian 9. What is
> your XEN version?
>
> --
> Damian Pietras
>
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