Hi, On 12.11.2014 14:06, Christian Menard wrote: > When I setup a system that starts the Android-VM and Nitpicker in parallel on > top of my Framebuffer-Multiplexer but does not start any nitpicker apps, > everything works fine in single- and multi-processor case. However, as soon > as > I start a nitpicker app like liquid_fb, the system gets very slow while the > android kernel is booting. The kernel boot takes more than 30 minutes > (usually > a few seconds) and everything else is very slow as well. In the case where > virtualbox runs on a separate CPU it gets even worse. Once the kernel boot > completed, the system runs fast again. In this state starting virtualbox on > another CPU helps, the system in general responds faster and has better > performance.
Do you see during the slow down messages like "apply timer quirk" in the log output ? Alex. > > I wonder why an app running in parallel to virtualbox influences the > performance of the whole system so drastically. First I thought it might be > related to my Framebuffer multiplexer, but the problem remains when starting > virtualbox in a liquid_fb. Do you have any suggestions? > > Thanks > Christian > > On Monday 10 November 2014 11:26:44 Alexander Boettcher wrote: >> Hello Christian, >> >> On 09.11.2014 14:51, Alexander Boettcher wrote: >>> The core services and init are running on the boot CPU. By moving all >>> critical servers to another CPU (as done in your run script) you get a >>> lot of cross CPU switching overhead, whenever the services call init or >>> core. >>> >>> The better approach is to start VBox on another CPU instead, actually I >>> doesn't know whether this is already works ... >> >> please try following attached patch. With it VBox can be started also on >> another CPU then the boot CPU. >> >> Does it work for you ? >> >> Alex. > > ------------------------------------------------------------------------------ > Comprehensive Server Monitoring with Site24x7. > Monitor 10 servers for $9/Month. > Get alerted through email, SMS, voice calls or mobile push notifications. > Take corrective actions from your mobile device. > http://pubads.g.doubleclick.net/gampad/clk?id=154624111&iu=/4140/ostg.clktrk > _______________________________________________ > genode-main mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/genode-main > ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ genode-main mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/genode-main
