Mike wrote: > You can download the requested trace at > http://www.eliteserver.biz/trace.tar.gz > > the peaks were around 12:04:30 > > Mike > > Avi Kivity schrieb: > >> Mike wrote: >> >>> Avi Kivity schrieb: >>> >>>> Mike wrote: >>>> >>>>> Now I noticed a strange behaviour. >>>>> I have a gameserver running in a guest os. No problems on performance >>>>> side, really fast. >>>>> The only thing, when I make a ping test after unspecific time periods I >>>>> get this: (this peaks are even there if the gameserver isn't running) >>>>> >>>>> >>>>> As you can see, no peaks. >>>>> Example of start command from a guest: >>>>> kvm -hda apache.img -hdb apache_storage.img -m 512 -boot c -net >>>>> nic,vlan=0,macaddr=00:16:3e:00:00:01,model=rtl8139 -net tap -nographic >>>>> -daemonize >>>>> >>>>> Here the pings from the guest started with the command line listed above: >>>>> >>>>> Reply from 195.24.77.171: bytes=32 time=37ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=37ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=97ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=60ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=186ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=363ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=368ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=972ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=673ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=1133ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=1198ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=1881ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=2341ms TTL=57 >>>>> Reply from 195.24.77.171: bytes=32 time=2401ms TTL=57 >>>>> >> Ok. How long does it take for the latency to appear? If it isn't too >> long, please run kvm with >> >> strace -fF -ttT -o /tmp/trace kvm ... >> >> Note the time that latency appears so we can correlate with the logs. >> Be aware the logs can be quite large, so make sure you have some disk >> space ready. >> > Does using a different clock helps ( add "-clock hpet" or "-clock rtc" or "-clock unix" to kvm command line) ?
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