Warning: This file is not a C or C++ file. It does not have highlighting.
1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
---|---|
2 | /* |
3 | * Declarations for error reporting tracepoints. |
4 | * |
5 | * Copyright (C) 2021, Google LLC. |
6 | */ |
7 | #undef TRACE_SYSTEM |
8 | #define TRACE_SYSTEM error_report |
9 | |
10 | #if !defined(_TRACE_ERROR_REPORT_H) || defined(TRACE_HEADER_MULTI_READ) |
11 | #define _TRACE_ERROR_REPORT_H |
12 | |
13 | #include <linux/tracepoint.h> |
14 | |
15 | #ifndef __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY |
16 | #define __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY |
17 | |
18 | enum error_detector { |
19 | ERROR_DETECTOR_KFENCE, |
20 | ERROR_DETECTOR_KASAN, |
21 | ERROR_DETECTOR_WARN, |
22 | }; |
23 | |
24 | #endif /* __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY */ |
25 | |
26 | #define error_detector_list \ |
27 | EM(ERROR_DETECTOR_KFENCE, "kfence") \ |
28 | EM(ERROR_DETECTOR_KASAN, "kasan") \ |
29 | EMe(ERROR_DETECTOR_WARN, "warning") |
30 | /* Always end the list with an EMe. */ |
31 | |
32 | #undef EM |
33 | #undef EMe |
34 | |
35 | #define EM(a, b) TRACE_DEFINE_ENUM(a); |
36 | #define EMe(a, b) TRACE_DEFINE_ENUM(a); |
37 | |
38 | error_detector_list |
39 | |
40 | #undef EM |
41 | #undef EMe |
42 | |
43 | #define EM(a, b) { a, b }, |
44 | #define EMe(a, b) { a, b } |
45 | |
46 | #define show_error_detector_list(val) \ |
47 | __print_symbolic(val, error_detector_list) |
48 | |
49 | DECLARE_EVENT_CLASS(error_report_template, |
50 | TP_PROTO(enum error_detector error_detector, unsigned long id), |
51 | TP_ARGS(error_detector, id), |
52 | TP_STRUCT__entry(__field(enum error_detector, error_detector) |
53 | __field(unsigned long, id)), |
54 | TP_fast_assign(__entry->error_detector = error_detector; |
55 | __entry->id = id;), |
56 | TP_printk("[%s] %lx", |
57 | show_error_detector_list(__entry->error_detector), |
58 | __entry->id)); |
59 | |
60 | /** |
61 | * error_report_end - called after printing the error report |
62 | * @error_detector: short string describing the error detection tool |
63 | * @id: pseudo-unique descriptor identifying the report |
64 | * (e.g. the memory access address) |
65 | * |
66 | * This event occurs right after a debugging tool finishes printing the error |
67 | * report. |
68 | */ |
69 | DEFINE_EVENT(error_report_template, error_report_end, |
70 | TP_PROTO(enum error_detector error_detector, unsigned long id), |
71 | TP_ARGS(error_detector, id)); |
72 | |
73 | #endif /* _TRACE_ERROR_REPORT_H */ |
74 | |
75 | /* This part must be outside protection */ |
76 | #include <trace/define_trace.h> |
77 |
Warning: This file is not a C or C++ file. It does not have highlighting.