On Mon, Feb 16, 2015 at 5:47 PM, Stefan Priebe - Profihost AG <s.pri...@profihost.ag> wrote: > Hi, > Am 16.02.2015 um 15:44 schrieb Paolo Bonzini: >> >> >> On 16/02/2015 15:43, Stefan Priebe - Profihost AG wrote: >>> Hi, >>> >>> Am 16.02.2015 um 13:24 schrieb Paolo Bonzini: >>>> >>>> >>>> On 15/02/2015 19:46, Stefan Priebe wrote: >>>>> >>>>> while i get a constant random 4k i/o write speed of 20.000 iops with >>>>> qemu 2.1.0 or 2.1.3. I get jumping speeds with qemu 2.2 (jumping between >>>>> 500 iops and 15.000 iop/s). >>>>> >>>>> If i use virtio instead of virtio-scsi speed is the same between 2.2 and >>>>> 2.1. >>>> >>>> http://wiki.qemu.org/Contribute/ReportABug >>>> >>>> What is your command line? >>> >>> Could it be that this is a results of compiling qemu with --enable-debug >>> to get debugging symbols? >> >> Yes. > > *urg* my fault - sorry. Is there a way to get debugging symbols without > using enable-debug / getting slower performance?
Hi Stefan, splitdebug will help you there. Also this is a standard way to ship debugging symbols in most distribuitions, so I wonder if you may use just a generic build skeleton for this task...
