Hello! I am using Fedora 14 with kernel and qemu-kvm from Fedora 15: [root@serv ~]# qemu-kvm --help | head -1 QEMU emulator version 0.14.0 (qemu-kvm-0.14.0), Copyright (c) 2003-2008 Fabrice Bellard [root@serv ~]# uname -a Linux serv 2.6.38.8-35.fc15.x86_64 #1 SMP Wed Jul 6 13:58:54 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux I have a guest with latest CentOS6: [root@localhost ~]# uname -a Linux localhost.localdomain 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011 x86_64 x86_64 x86_64 GNU/Linux When I try to load a small MySQL database dump (nearly 10k lines), it loads a lot of time. Guest cpu states: Cpu(s): 0.3%us, 0.6%sy, 0.0%ni, 61.9%id, 37.2%wa, 0.0%hi, 0.0%si, 0.0%st MySQL Processlist: mysql> show full processlist; +----+------+-----------+--------+---------+------+---------------+------------------------------------------------------------+ | Id | User | Host | db | Command | Time | State | Info | +----+------+-----------+--------+---------+------+---------------+------------------------------------------------------------+ | 4 | root | localhost | NULL | Query | 0 | NULL | show full processlist | | 11 | root | localhost | zabbix | Query | 0 | freeing items | INSERT INTO applications VALUES (41,10002,'Performance',0) | Guest top: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1330 mysql 20 0 560m 29m 5900 S 1.3 6.0 0:05.61 mysqld 336 root 20 0 0 0 0 D 0.7 0.0 0:02.39 kdmflush 1367 root 20 0 14928 1212 924 S 0.7 0.2 0:08.42 top 355 root 20 0 0 0 0 D 0.3 0.0 0:03.34 jbd2/dm-0-8 1421 root 20 0 14932 1220 920 R 0.3 0.2 0:00.01 top Guest is installed inside LVM. Host cpu states: Cpu(s): 2.3%us, 4.0%sy, 0.0%ni, 93.1%id, 0.4%wa, 0.0%hi, 0.1%si, 0.0%st QEMU command: /usr/bin/qemu-kvm -enable-kvm -name VM7 -nographic -vnc 0.0.0.0:7 -vga std -m 512 -smp 4 -boot c -pidfile /home/vms/run/7.pid -monitor unix:/home/vms/run/7.monitor,server,nowait -serial unix:/home/vms/run/7.serial,server,nowait -net nic,vlan=0,macaddr=FE:E1:DE:AD:00:07,model=virtio -net tap,vlan=0,ifname=tap_7_0,script=/home/vms/ifup,downscript=/home/vms/ifdown -drive media=disk,if=virtio,index=0,file=/dev/vg0/cent6,cache=none,boot=on I can provide any additional debug information. What is the reason of this behaviour? -- Boris Dolgov. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
