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168
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1 /* this is a program which uses eCos instrumentation buffers; it needs |
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2 to be linked with a kernel which was compiled with support for |
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3 instrumentation */ |
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4 |
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5 #include <stdio.h> |
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6 #include <pkgconf/kernel.h> |
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7 #include <cyg/kernel/instrmnt.h> |
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8 #include <cyg/kernel/kapi.h> |
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9 |
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10 #ifndef CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER |
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11 # error You must configure eCos with CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER |
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12 #endif |
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13 |
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14 struct Instrument_Record |
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15 { |
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16 CYG_WORD16 type; // record type |
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17 CYG_WORD16 thread; // current thread id |
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18 CYG_WORD timestamp; // 32 bit timestamp |
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19 CYG_WORD arg1; // first arg |
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20 CYG_WORD arg2; // second arg |
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21 }; |
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22 |
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23 struct Instrument_Record instrument_buffer[20]; |
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24 cyg_uint32 instrument_buffer_size = 20; |
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25 |
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26 int main(void) |
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27 { |
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28 int i; |
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29 |
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30 cyg_instrument_enable(CYG_INSTRUMENT_CLASS_CLOCK, 0); |
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31 cyg_instrument_enable(CYG_INSTRUMENT_CLASS_THREAD, 0); |
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32 cyg_instrument_enable(CYG_INSTRUMENT_CLASS_ALARM, 0); |
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33 |
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34 printf("Program to play with instrumentation buffer\n"); |
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35 |
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36 cyg_thread_delay(2); |
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37 |
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38 cyg_instrument_disable(CYG_INSTRUMENT_CLASS_CLOCK, 0); |
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39 cyg_instrument_disable(CYG_INSTRUMENT_CLASS_THREAD, 0); |
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40 cyg_instrument_disable(CYG_INSTRUMENT_CLASS_ALARM, 0); |
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41 |
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42 for (i = 0; i < instrument_buffer_size; ++i) { |
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43 printf("Record %02d: type 0x%04x, thread %d, ", |
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44 i, instrument_buffer[i].type, instrument_buffer[i].thread); |
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45 printf("time %5d, arg1 0x%08x, arg2 0x%08x\n", |
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46 instrument_buffer[i].timestamp, instrument_buffer[i].arg1, |
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47 instrument_buffer[i].arg2); |
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48 } |
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49 return 0; |
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50 } |
