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DS-5: memory profiling in eclipse

manju thumpiri
Note: This was originally posted on 19th December 2011 at http://forums.arm.com

guys.....
can anyone explain how to find number of cycles count for a C program in eclipse for  "ARM- CORTEX - A8 RTSM pre-configured to boot ARM Embedded Linux configuration",in DS-5
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  • Arm Employee Badge
    Note: This was originally posted on 20th December 2011 at http://forums.arm.com


    guys.....
    can anyone explain how to find number of cycles count for a C program in eclipse for  "ARM- CORTEX - A8 RTSM pre-configured to boot ARM Embedded Linux configuration",in DS-5


    The RTSM shows an instruction count at the top of it's LCD window, but it does not try to keep track of cycles and does not have PMU counters.  Counting the cycles would slow it down too much.

    You could consider getting one of the many cheap Linux boards: BeagleBoard, PandaBoard, Snowball, Overo, Origen (to name a few that are supported by Linaro).  Then you could use tools like Streamline to analyse performance, although it still won't be easy to get the number cycles for a single application?
Reply
  • Arm Employee Badge
    Note: This was originally posted on 20th December 2011 at http://forums.arm.com


    guys.....
    can anyone explain how to find number of cycles count for a C program in eclipse for  "ARM- CORTEX - A8 RTSM pre-configured to boot ARM Embedded Linux configuration",in DS-5


    The RTSM shows an instruction count at the top of it's LCD window, but it does not try to keep track of cycles and does not have PMU counters.  Counting the cycles would slow it down too much.

    You could consider getting one of the many cheap Linux boards: BeagleBoard, PandaBoard, Snowball, Overo, Origen (to name a few that are supported by Linaro).  Then you could use tools like Streamline to analyse performance, although it still won't be easy to get the number cycles for a single application?
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