99c5a086 |
1 | |
2 | #include "marker.h" |
3 | |
4 | /** |
5 | * __mark_empty_function - Empty probe callback |
6 | * @probe_private: probe private data |
7 | * @call_private: call site private data |
8 | * @fmt: format string |
9 | * @...: variable argument list |
10 | * |
11 | * Empty callback provided as a probe to the markers. By providing this to a |
12 | * disabled marker, we make sure the execution flow is always valid even |
13 | * though the function pointer change and the marker enabling are two distinct |
14 | * operations that modifies the execution flow of preemptible code. |
15 | */ |
16 | void __mark_empty_function(void *probe_private, void *call_private, |
17 | const char *fmt, va_list *args) |
18 | { |
19 | } |
20 | |
21 | /* |
22 | * marker_probe_cb Callback that prepares the variable argument list for probes. |
23 | * @mdata: pointer of type struct marker |
24 | * @call_private: caller site private data |
25 | * @fmt: format string |
26 | * @...: Variable argument list. |
27 | * |
28 | */ |
29 | void marker_probe_cb(const struct marker *mdata, void *call_private, |
30 | const char *fmt, ...) |
31 | { |
32 | |
33 | |
34 | } |