Average and worst case execution time

From: Patri (sppatr0_at_engr.uky.edu)
Date: 02/14/04 

Date: Sat, 14 Feb 2004 00:39:18 +0000 (UTC)

Hi!
  Iam very new to the field of Real Time & Embedded Sytems,
  I had to find the average execution time of a given C
  code using ticks() function.I am runing the code on Linux,
  during the execution of my code is there any way to set
  my process a top priority and ake other processes do not
  interfere during the execution of my code.

  Iam also analysing the worst case execution time of that code
  for which i need to have the cache miss penalty.Is there any command
  or process to know the cache miss peanlty of the sytem iam running on.

  I also would like to know what is the function and usage of
  sched_setscheduler();

  Thanking you in advance

  Regards
  Patri

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