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Realview Debugger 3.1 : machine cycle count for Cortex-a8

rajeeva1807 rajeeva1807
Note: This was originally posted on 27th July 2009 at http://forums.arm.com

Hi All,
I am running a project on Cortex-a8 core on RealView Debugger 3.1. Could anyone please tell what tool should I use to get the machine cycles count for the project? Could I use clock() function to get the counts? How accurate is clock()? Or is there any analyzer tool to solve this purpose?
Thanks in advance,
Rajeeva
Parents
  • Note: This was originally posted on 29th July 2009 at http://forums.arm.com

    Hi All,
    I am running a project on Cortex-a8 core on RealView Debugger 3.1. Could anyone please tell what tool should I use to get the machine cycles count for the project? Could I use clock() function to get the counts? How accurate is clock()? Or is there any analyzer tool to solve this purpose?
    Thanks in advance,
    Rajeeva


    Hi Rajeeva,
    U can use the timer that  r present for cortexA8 in order to the machine count for the function. The memory mapping of timers is given in the installed dir(RVDS)/ ISSM/readme.txt.
Reply
  • Note: This was originally posted on 29th July 2009 at http://forums.arm.com

    Hi All,
    I am running a project on Cortex-a8 core on RealView Debugger 3.1. Could anyone please tell what tool should I use to get the machine cycles count for the project? Could I use clock() function to get the counts? How accurate is clock()? Or is there any analyzer tool to solve this purpose?
    Thanks in advance,
    Rajeeva


    Hi Rajeeva,
    U can use the timer that  r present for cortexA8 in order to the machine count for the function. The memory mapping of timers is given in the installed dir(RVDS)/ ISSM/readme.txt.
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