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? Greets, Stefan