Recording: --------------------------------------------------------------------- /dev/hda: Timing buffer-cache reads: 820 MB in 2.01 seconds = 408.43 MB/sec Timing buffered disk reads: 10 MB in 3.38 seconds = 2.96 MB/sec Without Record: --------------------------------------------------------------------- /dev/hda: Timing buffer-cache reads: 852 MB in 2.01 seconds = 423.94 MB/sec Timing buffered disk reads: 8 MB in 3.00 seconds = 2.66 MB/sec Recording again: --------------------------------------------------------------------- /dev/hda: Timing buffer-cache reads: 812 MB in 2.00 seconds = 405.25 MB/sec Timing buffered disk reads: 10 MB in 3.66 seconds = 2.74 MB/sec Runing Jack --------------------------------------------------------------------- /dev/hda: Timing buffer-cache reads: 1028 MB in 2.00 seconds = 512.80 MB/sec Timing buffered disk reads: 10 MB in 3.26 seconds = 3.07 MB/sec Thats it? []'s Alexander > Alexander Franca wrote: >> >> Good questions :) >> >> Sound card is one VIA 8233. Ok, it's a very bad and ugly soundcard, but is >> just for test. In next week that machine will have one SB Audigy >> Platinium. >> >> I start jack with: >> >> jackd -v -R -d alsa -d hw:0 -r 44100 -p 2048 >> >> But I tried othes options and continue with xruns. >> >> I think my hdparm can't get this DMA information. >> >> I'm getting the source code of hdparm to find some option in compilation. >> >> Your suggestion send to me: >> >> /dev/dsp not supported by hdparm > > Sorry - I was misunderstood. > > First, just type mount and look at your mounted drives. > > hdparm -tT /dev/hda > hdparm -tT /dev/hdc > > Use whatever drive you are recording or playing audio from.
