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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#include <UserTrace.h>
#include <LinuxEvents.h>
int main(void)
{
trace_event_mask lEventMask;
printf("Attaching to trace device \n");
if(trace_attach() < 0)
{
printf("Unable to attach to trace device \n");
exit(1);
}
printf("Setting trace mask to 0x0 \n");
lEventMask = 0;
trace_set_event_mask(lEventMask);
/* Wait for a while */
sleep(10);
printf("Enabling events one by one \n");
trace_enable_event_trace(TRACE_IRQ_ENTRY);
sleep(2);
trace_enable_event_trace(TRACE_TRAP_ENTRY);
sleep(2);
trace_enable_event_trace(TRACE_KERNEL_TIMER);
sleep(2);
trace_enable_event_trace(TRACE_PROCESS);
sleep(2);
trace_enable_event_trace(TRACE_SOFT_IRQ);
sleep(2);
/* Check for some events */
if(trace_is_event_traced(TRACE_IRQ_ENTRY))
printf("Tracing: TRACE_IRQ_ENTRY \n");
else
printf("NOT Tracing: TRACE_IRQ_ENTRY \n");
if(trace_is_event_traced(TRACE_IRQ_EXIT))
printf("Tracing: TRACE_IRQ_EXIT \n");
else
printf("NOT Tracing: TRACE_IRQ_EXIT \n");
if(trace_is_event_traced(TRACE_PROCESS))
printf("Tracing: TRACE_PROCESS \n");
else
printf("NOT Tracing: TRACE_PROCESS \n");
if(trace_is_event_traced(TRACE_FILE_SYSTEM))
printf("Tracing: TRACE_FILE_SYSTEM \n");
else
printf("NOT Tracing: TRACE_FILE_SYSTEM \n");
if(trace_is_event_traced(TRACE_CHANGE_MASK))
printf("Tracing: TRACE_CHANGE_MASK \n");
else
printf("NOT Tracing: TRACE_CHANGE_MASK \n");
/* Get the trace mask */
trace_get_event_mask(&lEventMask);
printf("Event mask is : %lX \n", lEventMask);
printf("Detaching from trace device \n");
if(trace_detach() < 0)
{
printf("Unable to detach to trace device \n");
exit(1);
}
printf("Done \n");
/* We're out */
exit(0);
return 0;
}
|
