Hi, I know my question is quite easy for this ml, but I hope to get a little help. I'm an embedded developer and I'm not so good with x86. I'm trying to load the system and hear mp3 decoding getting worst, but no way on my "Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz" very basic system. I'm trying to understand why I can't. Using trace (the complete one is here www.opensurf.it/trace12-02-04-19-14-48.txt_orig.lzma ) I get:
grep HDA trace12-02-04-19-14-48.txt .. cpu-100.sh-26486 [000] 9490.976257: irq_handler_entry: irq=21 handler=HDA Intel cpu-100.sh-26474 [000] 9490.984236: irq_handler_entry: irq=21 handler=HDA Intel cpu-100.sh-26467 [000] 9490.992220: irq_handler_entry: irq=21 handler=HDA Intel cpu-100.sh-26502 [000] 9491.088042: irq_handler_entry: irq=21 handler=HDA Intel .. almost every 10msec pulseaudio reads from /dev/snd/pcmC0D0p, mplayer reads from pulseaudio.
How can I create context switch problem in this situation and trace is well ? Thanks, Raffaele
--------------------- Loading the system --------------------- where I have lauched cpu-100.sh 20 times $ cat cpu-100.sh #!/bin/bash while : ; do true done
I have also launched root $ ping -l 100000 -q -s 10 -f localhost & once
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