1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* 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;
}
|
