Hello, First of all bravo Qemu has progressed and I have lots of questions.
Configuration : DELL precision 690 model name : Intel(R) Xeon(R) CPU X5355 @ 2.66GHz *2 MemTotal: 64571604 kB root@jonas:/proc# lsblk --scsi NAME HCTL TYPE VENDOR MODEL REV TRAN sda 2:0:0:0 disk ATA ST2000DM001-1ER1 CC43 sata sr0 3:0:0:0 rom HL-DT-ST HL-DT-ST_BD-RE_BH16NS40 1.01 sata root@jonas:/proc# uname -a Linux jonas 5.4.0-124-generic #140-Ubuntu SMP Thu Aug 4 02:23:37 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux qemu-7.1.0-rc2/build/qemu-system-ppc64 ./configure .. default devices : YES out of process emulation : YES vfio-user server : NO Block layer support coroutine backend : ucontext coroutine pool : YES Block whitelist (rw) : Block whitelist (ro) : Use block whitelist in tools : NO VirtFS support : YES build virtiofs daemon : YES Live block migration : YES replication support : YES bochs support : YES cloop support : YES dmg support : YES qcow v1 support : YES vdi support : YES vvfat support : YES qed support : YES parallels support : YES FUSE exports : NO VDUSE block exports : YES Crypto TLS priority : NORMAL GNUTLS support : YES 3.6.13 GNUTLS crypto : NO libgcrypt : YES 1.8.5 nettle : NO AF_ALG support : NO rng-none : NO Linux keyring : YES Dependencies SDL support : YES SDL image support : NO GTK support : YES pixman : YES 0.38.4 VTE support : YES 0.60.3 slirp support : internal libtasn1 : YES 4.16.0 PAM : NO iconv support : YES curses support : YES virgl support : NO curl support : YES 7.68.0 Multipath support : YES PNG support : YES 1.6.37 VNC support : YES VNC SASL support : YES VNC JPEG support : YES 2.0.3 OSS support : YES ALSA support : YES 1.2.2 PulseAudio support : YES 13.99.1 JACK support : NO brlapi support : YES vde support : YES netmap support : NO l2tpv3 support : YES Linux AIO support : YES Linux io_uring support : NO ATTR/XATTR support : YES RDMA support : NO PVRDMA support : NO fdt support : system libcap-ng support : YES bpf support : NO spice protocol support : NO rbd support : YES smartcard support : NO U2F support : NO libusb : NO usb net redir : NO OpenGL support (epoxy) : YES 1.5.4 GBM : NO libiscsi support : YES 1.18.0 libnfs support : YES 4.0.0 seccomp support : YES 2.5.1 GlusterFS support : NO TPM support : YES libssh support : YES 0.9.3 lzo support : YES snappy support : YES bzip2 support : YES lzfse support : NO zstd support : NO NUMA host support : YES capstone : YES 3.0.5 libpmem support : YES 1.8 libdaxctl support : NO libudev : YES 245 FUSE lseek : NO selinux : YES 3.0 Subprojects libvduse : YES libvhost-user : YES It took me 4 hours to install a Windows XP . It took me 12 hours to install an AIX 7.2. iostat on AIX during a yum update : tty: tin tout avg-cpu: % user % sys % idle % iowait physc % entc 0.0 720.0 0.7 5.8 0.0 93.5 1.0 99.4 Disks: % tm_act Kbps tps Kb_read Kb_wrtn cd0 0.0 0.0 0.0 0 0 hdisk0 100.0 0.0 0.0 0 0 my ubuntu 20.04 : avg-cpu: %user %nice %system %iowait %steal %idle 12.53 0.00 0.50 8.65 0.00 78.32 Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd dm-0 0.00 0.00 0.00 0.00 0 0 0 dm-1 181.00 0.00 712.00 0.00 0 712 0 fd0 0.00 0.00 0.00 0.00 0 0 0 loop0 0.00 0.00 0.00 0.00 0 0 0 loop1 0.00 0.00 0.00 0.00 0 0 0 loop2 0.00 0.00 0.00 0.00 0 0 0 loop3 0.00 0.00 0.00 0.00 0 0 0 loop4 0.00 0.00 0.00 0.00 0 0 0 loop5 0.00 0.00 0.00 0.00 0 0 0 loop6 0.00 0.00 0.00 0.00 0 0 0 loop7 0.00 0.00 0.00 0.00 0 0 0 loop8 0.00 0.00 0.00 0.00 0 0 0 loop9 0.00 0.00 0.00 0.00 0 0 0 sda 103.00 0.00 632.00 0.00 0 632 0 why ? thank you for your answers Pascal
