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3a73333f SRG |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * Trace files that want to automate creation of all tracepoints defined | |
4 | * in their file should include this file. The following are macros that the | |
5 | * trace file may define: | |
6 | * | |
7 | * TRACE_SYSTEM defines the system the tracepoint is for | |
8 | * | |
9 | * TRACE_INCLUDE_FILE if the file name is something other than TRACE_SYSTEM.h | |
10 | * This macro may be defined to tell define_trace.h what file to include. | |
11 | * Note, leave off the ".h". | |
12 | * | |
13 | * TRACE_INCLUDE_PATH if the path is something other than core kernel include/trace | |
14 | * then this macro can define the path to use. Note, the path is relative to | |
15 | * define_trace.h, not the file including it. Full path names for out of tree | |
16 | * modules must be used. | |
17 | */ | |
18 | ||
19 | #ifdef CREATE_CUSTOM_TRACE_EVENTS | |
20 | ||
21 | /* Prevent recursion */ | |
22 | #undef CREATE_CUSTOM_TRACE_EVENTS | |
23 | ||
24 | #include <linux/stringify.h> | |
25 | ||
26 | #undef TRACE_CUSTOM_EVENT | |
27 | #define TRACE_CUSTOM_EVENT(name, proto, args, tstruct, assign, print) | |
28 | ||
29 | #undef DEFINE_CUSTOM_EVENT | |
30 | #define DEFINE_CUSTOM_EVENT(template, name, proto, args) | |
31 | ||
32 | #undef TRACE_INCLUDE | |
33 | #undef __TRACE_INCLUDE | |
34 | ||
35 | #ifndef TRACE_INCLUDE_FILE | |
36 | # define TRACE_INCLUDE_FILE TRACE_SYSTEM | |
37 | # define UNDEF_TRACE_INCLUDE_FILE | |
38 | #endif | |
39 | ||
40 | #ifndef TRACE_INCLUDE_PATH | |
41 | # define __TRACE_INCLUDE(system) <trace/events/system.h> | |
42 | # define UNDEF_TRACE_INCLUDE_PATH | |
43 | #else | |
44 | # define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h) | |
45 | #endif | |
46 | ||
47 | # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system) | |
48 | ||
49 | /* Let the trace headers be reread */ | |
50 | #define TRACE_CUSTOM_MULTI_READ | |
51 | ||
52 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) | |
53 | ||
54 | #ifdef TRACEPOINTS_ENABLED | |
55 | #include <trace/trace_custom_events.h> | |
56 | #endif | |
57 | ||
58 | #undef TRACE_CUSTOM_EVENT | |
59 | #undef DECLARE_CUSTOM_EVENT_CLASS | |
60 | #undef DEFINE_CUSTOM_EVENT | |
61 | #undef TRACE_CUSTOM_MULTI_READ | |
62 | ||
63 | /* Only undef what we defined in this file */ | |
64 | #ifdef UNDEF_TRACE_INCLUDE_FILE | |
65 | # undef TRACE_INCLUDE_FILE | |
66 | # undef UNDEF_TRACE_INCLUDE_FILE | |
67 | #endif | |
68 | ||
69 | #ifdef UNDEF_TRACE_INCLUDE_PATH | |
70 | # undef TRACE_INCLUDE_PATH | |
71 | # undef UNDEF_TRACE_INCLUDE_PATH | |
72 | #endif | |
73 | ||
74 | /* We may be processing more files */ | |
75 | #define CREATE_CUSTOM_TRACE_POINTS | |
76 | ||
77 | #endif /* CREATE_CUSTOM_TRACE_POINTS */ |