part of the answer seems to be to install cpufreqd. On ubuntu it is automatically configured to scale up the CPU frequency when mplayer or xine are run.
On 21-12-11 19:48, Preston Hagar wrote: > On Wed, Dec 21, 2011 at 3:22 AM, Paul Sijben <p...@sijben.net> wrote: >> Update: the 3400 runs at 2.7Ghz. Do not know why /proc/cpuinfo reports it >> as 800MHz. >> > Not sure about the ATI card, I use a NVIDIA, > > As for /proc/cpuinfo, > > It will read the speed the CPU is currently running at, not the max > speed. AMD chips are actually pretty good about scaling, so when idle > they tend to slow down to reduce heat and save power. For example, I > have a Athlon 64 X2 6000+ (3.0 Ghz, dual core) in my main freevo box, > but it is reading 1 Ghz for cpu speed right now. > > With cpufreq-set, you can adjust the cpu speed at will. For example, > I run Hulu Desktop with Freevo (using a fxd command file). Since Hulu > seems to take a lot of processing power and sometimes the cpu doesn't > scale up fast enough, I now start hulu with this script: > > > cpufreq-set -c 0 -f 3.0GHz > cpufreq-set -c 1 -f 3.0GHz > /usr/bin/huludesktop > cpufreq-set -c 0 -f 1.0GHz > cpufreq-set -c 1 -f 1.0GHz > > > Basically, the first two commands set my cpu frequency for each core > to their max (3.0 Ghz), then I run hulu. When it exits, I set the > frequency back to the minimum 1 Ghz and let the standard governor take > over. > > Try > > cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor > > to see what your current governor is, or > > cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors > > to see the available ones. > > I use userspace, which then lets me use powernowd (you have to install > it separately). It seems to be decent. > > Anyway, you might try setting the governor to performance or just > setting the cpufreq to maximum before trying a video and see if that > helps your tearing problem. You probably want the cpu to idle lower > when not in use, but it might at least give you an idea if your issue > is your cpu not running at full speed. > > Preston > > ------------------------------------------------------------------------------ > Write once. Port to many. > Get the SDK and tools to simplify cross-platform app development. Create > new or port existing apps to sell to consumers worldwide. Explore the > Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join > http://p.sf.net/sfu/intel-appdev > _______________________________________________ > Freevo-users mailing list > Freevo-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freevo-users -- Paul Sijben tel 0334557522 ------------------------------------------------------------------------------ RSA(R) Conference 2012 Mar 27 - Feb 2 Save $400 by Jan. 27 Register now! http://p.sf.net/sfu/rsa-sfdev2dev2 _______________________________________________ Freevo-users mailing list Freevo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freevo-users
