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74 lines
2.0 KiB
74 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Declarations for error reporting tracepoints. |
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* |
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* Copyright (C) 2021, Google LLC. |
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*/ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM error_report |
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#if !defined(_TRACE_ERROR_REPORT_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_ERROR_REPORT_H |
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#include <linux/tracepoint.h> |
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#ifndef __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY |
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#define __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY |
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enum error_detector { |
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ERROR_DETECTOR_KFENCE, |
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ERROR_DETECTOR_KASAN |
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}; |
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#endif /* __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY */ |
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#define error_detector_list \ |
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EM(ERROR_DETECTOR_KFENCE, "kfence") \ |
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EMe(ERROR_DETECTOR_KASAN, "kasan") |
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/* Always end the list with an EMe. */ |
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#undef EM |
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#undef EMe |
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#define EM(a, b) TRACE_DEFINE_ENUM(a); |
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#define EMe(a, b) TRACE_DEFINE_ENUM(a); |
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error_detector_list |
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#undef EM |
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#undef EMe |
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#define EM(a, b) { a, b }, |
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#define EMe(a, b) { a, b } |
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#define show_error_detector_list(val) \ |
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__print_symbolic(val, error_detector_list) |
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DECLARE_EVENT_CLASS(error_report_template, |
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TP_PROTO(enum error_detector error_detector, unsigned long id), |
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TP_ARGS(error_detector, id), |
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TP_STRUCT__entry(__field(enum error_detector, error_detector) |
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__field(unsigned long, id)), |
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TP_fast_assign(__entry->error_detector = error_detector; |
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__entry->id = id;), |
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TP_printk("[%s] %lx", |
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show_error_detector_list(__entry->error_detector), |
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__entry->id)); |
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/** |
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* error_report_end - called after printing the error report |
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* @error_detector: short string describing the error detection tool |
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* @id: pseudo-unique descriptor identifying the report |
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* (e.g. the memory access address) |
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* |
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* This event occurs right after a debugging tool finishes printing the error |
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* report. |
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*/ |
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DEFINE_EVENT(error_report_template, error_report_end, |
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TP_PROTO(enum error_detector error_detector, unsigned long id), |
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TP_ARGS(error_detector, id)); |
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#endif /* _TRACE_ERROR_REPORT_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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