------- Comment From mu...@br.ibm.com 2019-10-16 09:05 EDT------- Using the 2.11+dfsg-1ubuntu7.20~ppa2 build the performance is still the same and no functional issues were seen, here are the numbers for numjobs=4 and numjobs=64 cases, respectively:
READ: bw=1155MiB/s (1211MB/s), 285MiB/s-295MiB/s (299MB/s-309MB/s), io=67.7GiB (72.7GB), run=60001-60001msec READ: bw=4273MiB/s (4481MB/s), 42.7MiB/s-106MiB/s (44.7MB/s-111MB/s), io=250GiB (269GB), run=60001-60005msec # dpkg -l | grep ppa2 ii qemu 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el fast processor emulator ii qemu-block-extra:ppc64el 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el extra block backend modules for qemu-system and qemu-utils ii qemu-kvm 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU Full virtualization on x86 hardware ii qemu-system 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries ii qemu-system-arm 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (arm) ii qemu-system-common 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (common files) ii qemu-system-mips 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (mips) ii qemu-system-misc 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (miscellaneous) ii qemu-system-ppc 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (ppc) ii qemu-system-s390x 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (s390x) ii qemu-system-sparc 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (sparc) ii qemu-system-x86 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU full system emulation binaries (x86) ii qemu-user 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU user mode emulation binaries ii qemu-user-binfmt 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU user mode binfmt registration for qemu-user ii qemu-utils 1:2.11+dfsg-1ubuntu7.20~ppa2 ppc64el QEMU utilities As an important note, this respin version was only tested with the newer custom kernel mentioned in the previous comment. Christian, let me know if you need this tested with the vanillla kernel 4.15.0-65.74 as well. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847948 Title: Improve NVMe guest performance on Bionic QEMU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1847948/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
