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Linux, Real-Time Linux, & IPC

By Frederick M. Proctor, November 01, 1999

When dealing with real-time systems, IPC overhead becomes important. Fred examines two of the best IPC mechanisms available under Linux -- FIFO and shared memory.
Nov99: Linux, Real-Time Linux, & IPC 


<b>(a) </b>
image=/boot/zImage 
label=rtlinux-0.6 
root=/dev/hda2 
read-only 
  
<b>(b)</b>
image=/boot/zImage 
label=rtlinux-0.6 
root=/dev/hda2 
read-only 
append="mem=31m" 
  
<b>(c) </b>
image=/boot/zImage 
label=rtlinux-0.6 
root=/dev/hda2 
read-only 
append="mem=15872k"

Example 1: (a) Original /etc/lilo.conf file; (b) modified file for 31 MB; (c) modified file for 15872 KB.

Copyright © 1999, Dr. Dobb's Journal


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