[Spice-devel] spice 0.6.3 slower than 0.4?

Tue Mar 15 01:41:44 PDT 2011

On Mon, Mar 14, 2011 at 04:11:49PM -0700, The Ha wrote:
> Hi Alon
> 
> >Between 0.4 and 0.6.3 we ripped out the ffmpeg reliance and put in new mjpeg
> >code. So this regression might (very probably I guess) be related to this.
> >This affects just the compression btw, the rest of the video code (i.e.
> >discovering repeated updated to the same region) remained unchanged afaik.
> I think your guess is correct, the mjpeg codec.
> Mjpeg will make local CPU/GPU work harder since you have a long list of jpeg
> need to reassemble on the client end.
> 
> Just curious why do you pick mjpeg over ffmpeg ?

What do you mean? we were using mjpeg codec before as well. The implementation
changed, we didn't change the protocol. ffmpeg just caries an implementation
of mjpeg in it.

> 
> Last year test:
> We tested 0.4 with slow laptop (1.2Ghz ULV CPU ). It ran fine with flash.
> I could still do thing the the old laptop while VDI/flsash was running.
> 
> Forward today:
> I have a Netbook, not much better in term of raw CPU, but
> I can't do anything if I have VDI/sflash running. CPU is 80-100% !
> Same CPU issues with my old 1.2Ghz ULV CPU laptop.
> 
> This happen in both Linux (we build it) .
> and Windows spice clients (we downloaded).
> 
> Our test setup:
> Guest VDI is Ubuntu 10.10  ( could not get WindowsXP/7/32-64 bit to
> install QXL drivers that we download from spice-space)

Windows can require some coaxing to install drivers. Did you try the
wizard ''path'' where you select your own driver?

> Host KVM is RHEL 6
> 
> Thanks
> 
> The Ha
> 
> 
> >
> >There is nothing to see in the logs below, they look normal.
> >
> >>
> >>[root at localhost ~]# /usr/local/bin/qemu-system-x86_64 -boot c -drive
> >>file=/var/lib/libvirt/images/xp01.img,if=virtio -soundhw ac97 -nographic
> >>-net nic,macaddr=52:54:00:13:9f:17,model=virtio -net
> >>tap,ifname=XP3,script=/etc/lan-ifup, -vga qxl -spice
> >>port=5931,disable-ticketing -enable-kvm -m 1024 -device virtio-serial
> >>-chardev spicevmc,id=vdagent,debug=1,name=vdagent -device
> >>virtserialport,chardev=vdagent,name=com.redhat.spice.0
> >>do_spice_init: starting 0.8.0
> >>spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
> >>spice_server_add_interface: SPICE_INTERFACE_MOUSE
> >>spice_server_add_interface: SPICE_INTERFACE_QXL
> >>red_worker_main: begin
> >>spice_server_add_interface: SPICE_INTERFACE_RECORD
> >>spice_server_add_interface: SPICE_INTERFACE_PLAYBACK
> >>handle_dev_destroy_surfaces:
> >>handle_dev_destroy_surfaces:
> >>handle_dev_input: start
> >>reds_handle_main_link:
> >>reds_show_new_channel: channel 1:0, connected successfully, over Non
> >>Secure link
> >>reds_show_new_channel: channel 5:0, connected successfully, over Non
> >>Secure link
> >>reds_main_handle_message: net test: latency 0.646000 ms, bitrate
> >>18653114 bps (17.788996 Mbps)
> >>reds_show_new_channel: channel 6:0, connected successfully, over Non
> >>Secure link
> >>reds_show_new_channel: channel 4:0, connected successfully, over Non
> >>Secure link
> >>red_dispatcher_set_cursor_peer:
> >>handle_dev_input: cursor connect
> >>reds_show_new_channel: channel 2:0, connected successfully, over Non
> >>Secure link
> >>red_dispatcher_set_peer:
> >>handle_dev_input: connect
> >>handle_new_display_channel: jpeg disabled
> >>handle_new_display_channel: zlib-over-glz disabled
> >>reds_show_new_channel: channel 3:0, connected successfully, over Non
> >>Secure link
> >>inputs_link:
> >>handle_dev_destroy_surfaces:
> >>scd:   1: vmc_register_interface
> >>spice_server_char_device_add_interface: CHAR_DEVICE vdagent
> >>handle_dev_input: mouse mode 2
> >>reds_main_handle_message: agent start
> >>
> >>On the client side:
> >>.spice/spicec.log
> >>
> >>1300101368 INFO [1484:1484] Application::main: starting 0.8.0
> >>1300101369 INFO [1484:1484] init_key_map: using evdev mapping
> >>1300101369 INFO [1484:1484] MultyMonScreen::MultyMonScreen:
> >>platform_win: 27262977
> >>1300101369 INFO [1484:1484] ForeignMenu::ForeignMenu: Creating a foreign
> >>menu connection /tmp/SpiceForeignMenu-1484.uds
> >>1300101369 INFO [1484:1485] RedPeer::connect_unsecure: Trying 10.1.10.10
> >>5931
> >>1300101369 INFO [1484:1485] RedPeer::connect_unsecure: Connected to
> >>10.1.10.10 5931
> >>1300101369 INFO [1484:1487] RedPeer::connect_unsecure: Trying 10.1.10.10
> >>5931
> >>1300101369 INFO [1484:1487] RedPeer::connect_unsecure: Connected to
> >>10.1.10.10 5931
> >>1300101369 INFO [1484:1488] RedPeer::connect_unsecure: Trying 10.1.10.10
> >>5931
> >>1300101369 INFO [1484:1488] RedPeer::connect_unsecure: Connected to
> >>10.1.10.10 5931
> >>1300101369 INFO [1484:1489] RedPeer::connect_unsecure: Trying 10.1.10.10
> >>5931
> >>1300101369 INFO [1484:1489] RedPeer::connect_unsecure: Connected to
> >>10.1.10.10 5931
> >>1300101369 INFO [1484:1490] RedPeer::connect_unsecure: Trying 10.1.10.10
> >>5931
> >>1300101369 INFO [1484:1491] RedPeer::connect_unsecure: Trying 10.1.10.10
> >>5931
> >>1300101369 INFO [1484:1490] RedPeer::connect_unsecure: Connected to
> >>10.1.10.10 5931
> >>1300101369 INFO [1484:1491] RedPeer::connect_unsecure: Connected to
> >>10.1.10.10 5931
> >>1300101369 INFO [1484:1484] DisplayChannel::create_sw_canvas: display 0:
> >>using sw
> >>1300101369 INFO [1484:1485] RedChannel::handle_notify: remote channel
> >>1:0 warn!!! #0: keyboard channel is insecure
> >>1300101371 INFO [1484:1484] DisplayChannel::create_sw_canvas: display 0:
> >>using sw
> >>1300101371 INFO [1484:1484] DisplayChannel::create_sw_canvas: display 0:
> >>using sw
> >>
> >>-----Oorspronkelijk bericht-----
> >>Van: Alon Levy [mailto:alevy at redhat.com]
> >>Verzonden: maandag 14 maart 2011 11:35
> >>Aan: Vermonden David
> >>CC: Attila Sukosd; Hans de Goede; spice-devel at lists.freedesktop.org
> >>Onderwerp: Re: [Spice-devel] spice 0.6.3 slower than 0.4?
> >>
> >>On Mon, Mar 14, 2011 at 11:28:16AM +0100, Vermonden David wrote:
> >>>Attila
> >>>
> >>>
> >>>
> >>>Does the RHEV Spice agent always have to run?
> >>>
> >>>
> >>>
> >>>I managed to install the serial device but movies are still very
> >>choppy. I added the following argument:
> >>>
> >>>-device virtio-serial -chardev
> >>spicevmc,id=vdagent,debug=0,name=vdagent
> >>
> >>The complete command is: (in one line)
> >>-device virtio-serial
> >>-chardev spicevmc,id=vdagent,debug=0,name=vdagent
> >>-device virtserialport,chardev=vdagent,name=com.redhat.spice.0
> >>
> >>i.e. create a virtioserialport with a specific name
> >>(com.redhat.spice.0), and connect
> >>it to a chardevice of type spicevmc and with name vdagent (the property
> >>is called name,
> >>but it's actually the type of the spicevmc - so for instance there is
> >>another type for smartcard
> >>channel usage called smartcard).
> >>
> >>>
> >>>
> >>>
> >>>Kind regards,
> >>>
> >>>David
> >>>
> >>>
> >>>
> >>>Van: Attila Sukosd [mailto:attila.sukosd at gmail.com]
> >>>Verzonden: maandag 14 maart 2011 10:31
> >>>Aan: Hans de Goede
> >>>CC: Vermonden David; spice-devel at lists.freedesktop.org
> >>>Onderwerp: Re: [Spice-devel] spice 0.6.3 slower than 0.4?
> >>>
> >>>
> >>>
> >>>Hi,
> >>>
> >>>On Mon, Mar 14, 2011 at 10:28 AM, Hans de Goede <hdegoede at redhat.com>
> >>wrote:
> >>>
> >>>Hi,
> >>>
> >>>
> >>>
> >>>
> >>>On 03/14/2011 10:00 AM, Vermonden David wrote:
> >>>
> >>>	Thanks for your quick response!
> >>>
> >>>
> >>>
> >>>	Slower when I play a movie (tried serveral). For instance when
> >>playing a
> >>>	need for speed full HD movie it goes very smooth with spice 0.4
> >>with
> >>>	correct sound synchronisation but when using 0.6.3 or 0.8 it
> >>shocks
> >>>	(when heavy action it's almost a slide show) and the sound isn't
> >>>	syncronised anymore.
> >>>
> >>>
> >>>I think we indeed may have some regressions wrt streaming video
> >>>performance. Someone needs to look into this I guess ...
> >>>
> >>>Hmm, thats strange. We've been seeing much better performance in video
> >>streaming with the latest 0.8 client with the 0.4 server.
> >>>
> >>>
> >>>
> >>>In earlier releases there were problems with the video not updating
> >>unless the window was scrolled, but that is gone now too.
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>Regards,
> >>>
> >>>
> >>>
> >>>Attila
> >>>
> >>>
> >>>
> >>>	Regards,
> >>>
> >>>	Hans
> >>>
> >>>
> >>>	_______________________________________________
> >>>	Spice-devel mailing list
> >>>	Spice-devel at lists.freedesktop.org
> >>>	http://lists.freedesktop.org/mailman/listinfo/spice-devel
> >>>
> >>>
> >>>
> >>
> >>>_______________________________________________
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> >>>http://lists.freedesktop.org/mailman/listinfo/spice-devel
> >>
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> >
> 
> Alternate Email <the.ha at ubc.ca>