[PlanetCCRMA] audio breaking and cpu load?
Oded Ben-Tal
oded at ccrma.Stanford.EDU
Sat Feb 27 07:37:40 PST 2010
Here are the first few lines of top the variation is fairly large so I
took 2 snapshots more or less the ranges I see.
jast jack
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3244 oded 20 0 154m 14m 11m S 11.2 0.4 0:15.45 jackd.bin
2505 root 20 0 334m 58m 9.8m S 2.6 1.5 0:09.31 Xorg
69 root -51 -5 0 0 0 S 1.7 0.0 0:00.45 IRQ-20
68 root -51 -5 0 0 0 S 1.3 0.0 0:00.94 IRQ-19
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3244 oded 20 0 154m 14m 11m S 41.2 0.4 0:22.55 jackd.bin
69 root -51 -5 0 0 0 S 3.3 0.0 0:00.62 IRQ-20
2505 root 20 0 334m 58m 9.8m S 2.3 1.5 0:09.72 Xorg
2908 oded 20 0 26280 12m 8448 S 1.0 0.3 0:00.86 metacity
; now with pd
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3244 oded 20 0 154m 14m 11m S 48.2 0.4 0:38.88 jackd.bin
3303 oded 20 0 93048 17m 9712 R 13.9 0.4 0:04.53 pd
2505 root 20 0 343m 67m 9.9m S 4.6 1.7 0:13.40 Xorg
3304 oded 20 0 14160 7392 4612 S 3.0 0.2 0:01.57 pd-gui
69 root -51 -5 0 0 0 S 2.6 0.0 0:01.79 IRQ-20
2908 oded 20 0 26372 12m 8448 S 1.3 0.3 0:01.37 metacity
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3244 oded 20 0 154m 14m 11m S 28.4 0.4 1:10.04 jackd.bin
3303 oded 20 0 93328 18m 9752 R 17.2 0.5 0:31.70 pd
2505 root 20 0 337m 61m 9m S 10.6 1.6 0:22.25 Xorg
3304 oded 20 0 14160 7500 4636 S 5.3 0.2 0:09.45 pd-gui
69 root -51 -5 0 0 0 S 2.3 0.0 0:04.63 IRQ-20
68 root -51 -5 0 0 0 S 1.0 0.0 0:05.45 IRQ-19
21 root -50 -5 0 0 0 S 0.7 0.0 0:00.25 sirq-net-rx/1
2918 oded 20 0 22616 9180 5596 S 0.7 0.2 0:02.83
imsettings-appl
; Pd running but no patch opened. Still constant DIO errors reported.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3244 oded 20 0 154m 14m 11m S 13.8 0.4 1:49.78 jackd.bin
3303 oded 20 0 87576 13m 9760 S 3.0 0.3 1:01.87 pd
2505 root 20 0 334m 58m 10m S 1.0 1.5 0:35.56 Xorg
3315 oded 20 0 2560 1116 844 R 1.0 0.0 0:02.37 top
68 root -51 -5 0 0 0 S 0.7 0.0 0:08.59 IRQ-19
2918 oded 20 0 22616 9204 5596 S 0.7 0.2 0:04.07
imsettings-appl
2993 oded 20 0 26648 7900 6760 S 0.7 0.2 0:01.63
multiload-apple
3216 oded 20 0 90412 24m 18m S 0.7 0.6 0:05.46 qjackctl
23 root -50 -5 0 0 0 S 0.3 0.0 0:06.46
sirq-tasklet/1
1997 dbus 20 0 3280 1380 732 S 0.3 0.0 0:00.73 dbus-daemon
In short I get Synch errors when Pd isn't doing anything. I then tried to
see what happens if I just playback a file from Pd and I did hear the
sound break. For comparison I tried Snd which was able to play a file
normally (unless I tried to change anything like resize the window)
any clues?
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