arch/x86/include/asm/trace/exceptions.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM exceptions
   3
   4 #if !defined(_TRACE_PAGE_FAULT_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_PAGE_FAULT_H
   6
   7 #include <linux/tracepoint.h>
   8 #include <asm/trace/common.h>
   9
  10 extern int trace_pagefault_reg(void);
  11 extern void trace_pagefault_unreg(void);
  12
  13 DECLARE_EVENT_CLASS(x86_exceptions,
  14
  15         TP_PROTO(unsigned long address, struct pt_regs *regs,
  16                  unsigned long error_code),
  17
  18         TP_ARGS(address, regs, error_code),
  19
  20         TP_STRUCT__entry(
  21                 __field(                unsigned long, address  )
  22                 __field(                unsigned long, ip       )
  23                 __field(                unsigned long, error_code )
  24         ),
  25
  26         TP_fast_assign(
  27                 __entry->address = address;
  28                 __entry->ip = regs->ip;
  29                 __entry->error_code = error_code;
  30         ),
  31
  32         TP_printk("address=%pf ip=%pf error_code=0x%lx",
  33                   (void *)__entry->address, (void *)__entry->ip,
  34                   __entry->error_code) );
  35
  36 #define DEFINE_PAGE_FAULT_EVENT(name)                           \
  37 DEFINE_EVENT_FN(x86_exceptions, name,                           \
  38         TP_PROTO(unsigned long address, struct pt_regs *regs,   \
  39                  unsigned long error_code),                     \
  40         TP_ARGS(address, regs, error_code),                     \
  41         trace_pagefault_reg, trace_pagefault_unreg);
  42
  43 DEFINE_PAGE_FAULT_EVENT(page_fault_user);
  44 DEFINE_PAGE_FAULT_EVENT(page_fault_kernel);
  45
  46 #undef TRACE_INCLUDE_PATH
  47 #define TRACE_INCLUDE_PATH .
  48 #define TRACE_INCLUDE_FILE exceptions
  49 #endif /*  _TRACE_PAGE_FAULT_H */
  50
  51 /* This part must be outside protection */
  52 #include <trace/define_trace.h>