blob: 11c8bd7b4f9a7daf818b6c9fe2a942b4601c26b1 (
plain)
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
|
#include <stdio.h>
#include "hello-tp.h"
int main(int argc, char *argv[])
{
int x;
puts("Hello, World!\nPress Enter to continue...");
/*
* The following getchar() call is only placed here for the purpose
* of this demonstration, to pause the application in order for
* you to have time to list its tracepoints. It is not
* needed otherwise.
*/
getchar();
/*
* A tracepoint() call.
*
* Arguments, as defined in hello-tp.h:
*
* 1. Tracepoint provider name (required)
* 2. Tracepoint name (required)
* 3. my_integer_arg (first user-defined argument)
* 4. my_string_arg (second user-defined argument)
*
* Notice the tracepoint provider and tracepoint names are
* NOT strings: they are in fact parts of variables that the
* macros in hello-tp.h create.
*/
tracepoint(hello_world, my_first_tracepoint, 23, "hi there!");
for (x = 0; x < argc; ++x) {
tracepoint(hello_world, my_first_tracepoint, x, argv[x]);
}
puts("Quitting now!");
tracepoint(hello_world, my_first_tracepoint, x * x, "x^2");
return 0;
}
|
