testsuite/systemtap.base/finloop2.stp


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

/*
 * kfunct.stp
 *
 * Check the systemtap avoids infinite loops
 * install it, and get some output.
 */

global count
global loop_count

probe begin
{
	println("systemtap starting probe")
}

probe kernel.function("schedule")
{
	++count;
	for(a = 1; a <=10; ++a) {
		++loop_count;
	}
}

probe end
{
	println("systemtap ending probe")
	printf("count = %d\n", count)
	printf("loop_count = %d\n", loop_count)
	if ( count * 10 == loop_count) {
		println("systemtap test success");
	} else {
		println("systemtap test failure");
	}
}