Re: [Qemu-discuss] Request for information inclusion on the wiki links page section of QEMU project!

2018-08-15 Thread Thomas Huth
On 08/15/2018 04:22 PM, daniel silva ferreira bruno wrote: > Hi, staff of QEMU project! > I am Daniel Silva Ferreira Bruno, creator of the JavaQEMU Open Source > Software, available at:https://sourceforge.net/projects/javaqemu/. > JavaQemu is a Graphical User Interface Front End for QEMU, written

Re: [Qemu-discuss]  qcow2 performance improve

2018-08-15 Thread Alberto Garcia
On Wed 15 Aug 2018 05:47:57 PM CEST, Jakob Bohm wrote: > And don't forget the high-speed solution: Create the qcow2 file with > all clusters preallocated in contiguous file clusters in a > non-fragmented file on the underlying physical disk(s). > > I believe there are qemu-img options to create suc

[Qemu-discuss] Request for information inclusion on the wiki links page section of QEMU project!

2018-08-15 Thread daniel silva ferreira bruno
Hi, staff of QEMU project! I am Daniel Silva Ferreira Bruno, creator of the JavaQEMU Open Source Software, available at:https://sourceforge.net/projects/javaqemu/. JavaQemu is a Graphical User Interface Front End for QEMU, written in Java Programming Language! I would like the JavaQemu project in

Re: [Qemu-discuss]  qcow2 performance improve

2018-08-15 Thread Jakob Bohm
On 15/08/2018 17:06, Alberto Garcia wrote: On Wed, Aug 15, 2018 at 02:22:30PM +0800, yang.bi...@zte.com.cn wrote: When use cluster_size=1M qcow2 newly created to test "32k rand write" in the VM,We get low performance within VM。But there are huge “write” requests in HOST which falls into qemu sta

Re: [Qemu-discuss]  qcow2 performance improve 

2018-08-15 Thread Alberto Garcia
On Wed, Aug 15, 2018 at 02:22:30PM +0800, yang.bi...@zte.com.cn wrote: > > > When use cluster_size=1M qcow2 newly created to test "32k rand > > > write" in the VM,We get low performance within VM。But there > > > are huge “write” requests in HOST which falls into qemu > > > stack of"perform_cow". >

[Qemu-discuss] Qemu RS232 mouse emulation -howto

2018-08-15 Thread Peter Fodrek ml
Dear Qemu experts, Our company would like to use QEMU for DOS based program that requirers msmouse driver - seems to work only with RS232 mouse- from year of 1998., yet But in Qemu it cannot use this mouse even tried to use several command line options in Windows & based machine. Another fu