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ILTIMING: ISR Latency of 1ms? RRS feed

  • Question

  • Anyone have idea what could be wrong? I thought that ARM9 is a bit faster at processing interrupts... :)

    84026 PID:400002 TID:3840006 -------------------------------------------------------------------
      84026 PID:400002 TID:3840006   SYSTEM BUILD INFO
      84026 PID:400002 TID:3840006
      84026 PID:400002 TID:3840006   PLATFORM   = AT91SAM9G45M10EK
      84026 PID:400002 TID:3840006   PROCESSOR  = ARMV4I
      84026 PID:400002 TID:3840006   CONFIG     = speech
      84026 PID:400002 TID:3840006   RET/DEBUG  = retail
      84027 PID:400002 TID:3840006   BUILD DATE = Sep  6 2006 @ (19:32:33)
      84027 PID:400002 TID:3840006 -------------------------------------------------------------------
      84027 PID:400002 TID:3840006   COUNTER INFO
      84027 PID:400002 TID:3840006
      84027 PID:400002 TID:3840006   Counter Frequency     = 8868000 Hz
      84027 PID:400002 TID:3840006   Counter tick interval = 112 ns
      84027 PID:400002 TID:3840006 -------------------------------------------------------------------
      84027 PID:400002 TID:3840006   RUNTIME OPTIONS
      84027 PID:400002 TID:3840006
      84027 PID:400002 TID:3840006   Timing interval      = 5
      84027 PID:400002 TID:3840006   Number of interrupts = 10
      84027 PID:400002 TID:3840006 ===================================================================
      84027 PID:400002 TID:3840006 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      84028 PID:400002 TID:3840006 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      84028 PID:400002 TID:3840006
      84028 PID:400002 TID:3840006
      84078 PID:400002 TID:3840006 All times are in microseconds.
      84078 PID:400002 TID:3840006 Summary:
      84078 PID:400002 TID:3840006                     ISR starts   IST starts
      84078 PID:400002 TID:3840006 min                     1000.4          3.8
      84078 PID:400002 TID:3840006 ave                     1000.4          4.3
      84078 PID:400002 TID:3840006 max                     1000.4          6.3
      84078 PID:400002 TID:3840006 Build,Platform,Processor,Project,Debug,Number of Interrupts,ISR Min,ISR Max,ISR Ave,IST Min,IST Max,IST Ave,Thread Priority,Idle Threads
      84078 PID:400002 TID:3840006 3122,AT91SAM9G45M10EK,ARMV4I,speech,retail,10,1000.4,1000.4,1000.4,3.8,6.3,4.3,0,0
      84078 PID:3830006 TID:3840006 --ILTiming (Loader): Done!

    Wednesday, November 10, 2010 12:15 PM