Subversion Repositories openrisc_2011-10-31

/* this is a program which uses eCos instrumentation buffers; it needs

   to be linked with a kernel which was compiled with support for

   instrumentation */

#include <stdio.h>

#include <pkgconf/kernel.h>

#include <cyg/kernel/instrmnt.h>

#include <cyg/kernel/kapi.h>

#ifndef CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER

# error You must configure eCos with CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER

#endif

struct Instrument_Record

{

    CYG_WORD16  type;                   // record type

    CYG_WORD16  thread;                 // current thread id

    CYG_WORD    timestamp;              // 32 bit timestamp

    CYG_WORD    arg1;                   // first arg

    CYG_WORD    arg2;                   // second arg

};

struct Instrument_Record instrument_buffer[20];

cyg_uint32        instrument_buffer_size = 20;

int main(void)

{

  int i;

  cyg_instrument_enable(CYG_INSTRUMENT_CLASS_CLOCK, 0);

  cyg_instrument_enable(CYG_INSTRUMENT_CLASS_THREAD, 0);

  cyg_instrument_enable(CYG_INSTRUMENT_CLASS_ALARM, 0);

  printf("Program to play with instrumentation buffer\n");

  cyg_thread_delay(2);

  cyg_instrument_disable(CYG_INSTRUMENT_CLASS_CLOCK, 0);

  cyg_instrument_disable(CYG_INSTRUMENT_CLASS_THREAD, 0);

  cyg_instrument_disable(CYG_INSTRUMENT_CLASS_ALARM, 0);

  for (i = 0; i < instrument_buffer_size; ++i) {

    printf("Record %02d: type 0x%04x, thread %d, ",

           i, instrument_buffer[i].type, instrument_buffer[i].thread);

    printf("time %5d, arg1 0x%08x, arg2 0x%08x\n",

           instrument_buffer[i].timestamp, instrument_buffer[i].arg1,

           instrument_buffer[i].arg2);

  }

  return 0;

}