asm/trace/exceptions.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #undef TRACE_SYSTEM
0003 #define TRACE_SYSTEM exceptions
0004
0005 #if !defined(_TRACE_PAGE_FAULT_H) || defined(TRACE_HEADER_MULTI_READ)
0006 #define _TRACE_PAGE_FAULT_H
0007
0008 #include <linux/tracepoint.h>
0009 #include <asm/trace/common.h>
0010
0011 extern int trace_pagefault_reg(void);
0012 extern void trace_pagefault_unreg(void);
0013
0014 DECLARE_EVENT_CLASS(x86_exceptions,
0015
0016     TP_PROTO(unsigned long address, struct pt_regs *regs,
0017          unsigned long error_code),
0018
0019     TP_ARGS(address, regs, error_code),
0020
0021     TP_STRUCT__entry(
0022         __field(        unsigned long, address  )
0023         __field(        unsigned long, ip   )
0024         __field(        unsigned long, error_code )
0025     ),
0026
0027     TP_fast_assign(
0028         __entry->address = address;
0029         __entry->ip = regs->ip;
0030         __entry->error_code = error_code;
0031     ),
0032
0033     TP_printk("address=%ps ip=%ps error_code=0x%lx",
0034           (void *)__entry->address, (void *)__entry->ip,
0035           __entry->error_code) );
0036
0037 #define DEFINE_PAGE_FAULT_EVENT(name)               \
0038 DEFINE_EVENT_FN(x86_exceptions, name,               \
0039     TP_PROTO(unsigned long address, struct pt_regs *regs,   \
0040          unsigned long error_code),         \
0041     TP_ARGS(address, regs, error_code),         \
0042     trace_pagefault_reg, trace_pagefault_unreg);
0043
0044 DEFINE_PAGE_FAULT_EVENT(page_fault_user);
0045 DEFINE_PAGE_FAULT_EVENT(page_fault_kernel);
0046
0047 #undef TRACE_INCLUDE_PATH
0048 #undef TRACE_INCLUDE_FILE
0049 #define TRACE_INCLUDE_PATH .
0050 #define TRACE_INCLUDE_FILE exceptions
0051 #endif /*  _TRACE_PAGE_FAULT_H */
0052
0053 /* This part must be outside protection */
0054 #include <trace/define_trace.h>