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