diff options
Diffstat (limited to 'samples/tracepoints/tracepoint-probe-sample2.c')
-rw-r--r-- | samples/tracepoints/tracepoint-probe-sample2.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/samples/tracepoints/tracepoint-probe-sample2.c b/samples/tracepoints/tracepoint-probe-sample2.c deleted file mode 100644 index 9fcf990e5d4b..000000000000 --- a/samples/tracepoints/tracepoint-probe-sample2.c +++ /dev/null | |||
@@ -1,44 +0,0 @@ | |||
1 | /* | ||
2 | * tracepoint-probe-sample2.c | ||
3 | * | ||
4 | * 2nd sample tracepoint probes. | ||
5 | */ | ||
6 | |||
7 | #include <linux/module.h> | ||
8 | #include <linux/fs.h> | ||
9 | #include "tp-samples-trace.h" | ||
10 | |||
11 | /* | ||
12 | * Here the caller only guarantees locking for struct file and struct inode. | ||
13 | * Locking must therefore be done in the probe to use the dentry. | ||
14 | */ | ||
15 | static void probe_subsys_event(void *ignore, | ||
16 | struct inode *inode, struct file *file) | ||
17 | { | ||
18 | printk(KERN_INFO "Event is encountered with inode number %lu\n", | ||
19 | inode->i_ino); | ||
20 | } | ||
21 | |||
22 | static int __init tp_sample_trace_init(void) | ||
23 | { | ||
24 | int ret; | ||
25 | |||
26 | ret = register_trace_subsys_event(probe_subsys_event, NULL); | ||
27 | WARN_ON(ret); | ||
28 | |||
29 | return 0; | ||
30 | } | ||
31 | |||
32 | module_init(tp_sample_trace_init); | ||
33 | |||
34 | static void __exit tp_sample_trace_exit(void) | ||
35 | { | ||
36 | unregister_trace_subsys_event(probe_subsys_event, NULL); | ||
37 | tracepoint_synchronize_unregister(); | ||
38 | } | ||
39 | |||
40 | module_exit(tp_sample_trace_exit); | ||
41 | |||
42 | MODULE_LICENSE("GPL"); | ||
43 | MODULE_AUTHOR("Mathieu Desnoyers"); | ||
44 | MODULE_DESCRIPTION("Tracepoint Probes Samples"); | ||