/* this is a program which uses eCos instrumentation buffers; it needs
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/* this is a program which uses eCos instrumentation buffers; it needs
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to be linked with a kernel which was compiled with support for
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to be linked with a kernel which was compiled with support for
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instrumentation */
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instrumentation */
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#include <stdio.h>
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#include <stdio.h>
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#include <pkgconf/kernel.h>
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#include <pkgconf/kernel.h>
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#include <cyg/kernel/instrmnt.h>
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#include <cyg/kernel/instrmnt.h>
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#include <cyg/kernel/kapi.h>
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#include <cyg/kernel/kapi.h>
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#ifndef CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER
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#ifndef CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER
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# error You must configure eCos with CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER
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# error You must configure eCos with CYGVAR_KERNEL_INSTRUMENT_EXTERNAL_BUFFER
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#endif
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#endif
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struct Instrument_Record
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struct Instrument_Record
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{
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{
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CYG_WORD16 type; // record type
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CYG_WORD16 type; // record type
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CYG_WORD16 thread; // current thread id
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CYG_WORD16 thread; // current thread id
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CYG_WORD timestamp; // 32 bit timestamp
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CYG_WORD timestamp; // 32 bit timestamp
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CYG_WORD arg1; // first arg
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CYG_WORD arg1; // first arg
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CYG_WORD arg2; // second arg
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CYG_WORD arg2; // second arg
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};
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};
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struct Instrument_Record instrument_buffer[20];
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struct Instrument_Record instrument_buffer[20];
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cyg_uint32 instrument_buffer_size = 20;
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cyg_uint32 instrument_buffer_size = 20;
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int main(void)
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int main(void)
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{
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{
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int i;
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int i;
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cyg_instrument_enable(CYG_INSTRUMENT_CLASS_CLOCK, 0);
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cyg_instrument_enable(CYG_INSTRUMENT_CLASS_CLOCK, 0);
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cyg_instrument_enable(CYG_INSTRUMENT_CLASS_THREAD, 0);
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cyg_instrument_enable(CYG_INSTRUMENT_CLASS_THREAD, 0);
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cyg_instrument_enable(CYG_INSTRUMENT_CLASS_ALARM, 0);
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cyg_instrument_enable(CYG_INSTRUMENT_CLASS_ALARM, 0);
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printf("Program to play with instrumentation buffer\n");
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printf("Program to play with instrumentation buffer\n");
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cyg_thread_delay(2);
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cyg_thread_delay(2);
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cyg_instrument_disable(CYG_INSTRUMENT_CLASS_CLOCK, 0);
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cyg_instrument_disable(CYG_INSTRUMENT_CLASS_CLOCK, 0);
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cyg_instrument_disable(CYG_INSTRUMENT_CLASS_THREAD, 0);
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cyg_instrument_disable(CYG_INSTRUMENT_CLASS_THREAD, 0);
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cyg_instrument_disable(CYG_INSTRUMENT_CLASS_ALARM, 0);
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cyg_instrument_disable(CYG_INSTRUMENT_CLASS_ALARM, 0);
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for (i = 0; i < instrument_buffer_size; ++i) {
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for (i = 0; i < instrument_buffer_size; ++i) {
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printf("Record %02d: type 0x%04x, thread %d, ",
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printf("Record %02d: type 0x%04x, thread %d, ",
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i, instrument_buffer[i].type, instrument_buffer[i].thread);
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i, instrument_buffer[i].type, instrument_buffer[i].thread);
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printf("time %5d, arg1 0x%08x, arg2 0x%08x\n",
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printf("time %5d, arg1 0x%08x, arg2 0x%08x\n",
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instrument_buffer[i].timestamp, instrument_buffer[i].arg1,
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instrument_buffer[i].timestamp, instrument_buffer[i].arg1,
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instrument_buffer[i].arg2);
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instrument_buffer[i].arg2);
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}
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}
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return 0;
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return 0;
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}
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}
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