abbd00d3 |
1 | /* |
2 | * ltt-facility-loader-tests.c |
3 | * |
4 | * (C) Copyright 2005 - |
5 | * Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca) |
6 | * |
7 | * Contains the LTT facility loader. |
8 | * |
9 | */ |
10 | |
11 | |
12 | #include <linux/ltt-facilities.h> |
13 | #include <linux/module.h> |
14 | #include <linux/init.h> |
15 | #include <linux/config.h> |
16 | #include "ltt-facility-loader-tests.h" |
17 | |
18 | |
19 | #ifdef CONFIG_LTT |
20 | |
21 | EXPORT_SYMBOL(LTT_FACILITY_SYMBOL); |
22 | EXPORT_SYMBOL(LTT_FACILITY_CHECKSUM_SYMBOL); |
23 | |
24 | static const char ltt_facility_name[] = LTT_FACILITY_NAME; |
25 | |
26 | #define SYMBOL_STRING(sym) #sym |
27 | |
28 | static struct ltt_facility facility = { |
29 | .name = ltt_facility_name, |
30 | .num_events = LTT_FACILITY_NUM_EVENTS, |
31 | .checksum = LTT_FACILITY_CHECKSUM, |
32 | .symbol = SYMBOL_STRING(LTT_FACILITY_SYMBOL), |
33 | }; |
34 | |
35 | static int __init facility_init(void) |
36 | { |
37 | printk(KERN_INFO "LTT : ltt-facility-tests init in kernel\n"); |
38 | |
39 | LTT_FACILITY_SYMBOL = ltt_facility_kernel_register(&facility); |
40 | LTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL; |
41 | |
42 | return LTT_FACILITY_SYMBOL; |
43 | } |
44 | |
45 | #ifndef MODULE |
46 | __initcall(facility_init); |
47 | #else |
48 | module_init(facility_init); |
49 | static void __exit facility_exit(void) |
50 | { |
51 | int err; |
52 | |
53 | err = ltt_facility_unregister(LTT_FACILITY_SYMBOL); |
54 | if(err != 0) |
55 | printk(KERN_ERR "LTT : Error in unregistering facility.\n"); |
56 | |
57 | } |
58 | module_exit(facility_exit) |
59 | |
60 | MODULE_LICENSE("GPL"); |
61 | MODULE_AUTHOR("Mathieu Desnoyers"); |
62 | MODULE_DESCRIPTION("Linux Trace Toolkit Facility"); |
63 | |
64 | #endif //MODULE |
65 | |
66 | #endif //CONFIG_LTT |