Re: oxenstored performance issue when starting VMs in parallel

2020-09-22 Thread Edwin Torok
On Tue, 2020-09-22 at 15:17 +0200, jerome leseinne wrote: > Hi, > > Edwin you rock ! This call in qemu is effectively the culprit ! > I have disabled this xen_bus_add_watch call and re-run test on our > big server: > > - oxenstored is now between 10% to 20% CPU usage (previously was > 100% all

RE: oxenstored performance issue when starting VMs in parallel

2020-09-22 Thread Paul Durrant
@kernel.org; Anthony Perard ; > >> xen- > >> de...@lists.xenproject.org; p...@xen.org > >> Cc: xen-us...@lists.xenproject.org; jerome.lesei...@gmail.com; > >> jul...@xen.org > >> Subject: Re: oxenstored performance issue when starting VMs in parallel > >

Re: oxenstored performance issue when starting VMs in parallel

2020-09-22 Thread Jürgen Groß
: oxenstored performance issue when starting VMs in parallel On Tue, 2020-09-22 at 15:17 +0200, jerome leseinne wrote: Hi, Edwin you rock ! This call in qemu is effectively the culprit ! I have disabled this xen_bus_add_watch call and re-run test on our big server: - oxenstored is now between 10

RE: oxenstored performance issue when starting VMs in parallel

2020-09-22 Thread Paul Durrant
xenstored performance issue when starting VMs in parallel > > On Tue, 2020-09-22 at 15:17 +0200, jerome leseinne wrote: > > Hi, > > > > Edwin you rock ! This call in qemu is effectively the culprit ! > > I have disabled this xen_bus_add_watch call and re-run test on our &