Hi, > Am 16.02.2015 um 15:58 schrieb Andrey Korolyov <and...@xdel.ru>: > > 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...
I'm using enable-debug with dh_strip from Debian Stefan
