arch/x86/include/asm/msr-trace.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM msr
   3
   4 #undef TRACE_INCLUDE_FILE
   5 #define TRACE_INCLUDE_FILE msr-trace
   6
   7 #undef TRACE_INCLUDE_PATH
   8 #define TRACE_INCLUDE_PATH asm/
   9
  10 #if !defined(_TRACE_MSR_H) || defined(TRACE_HEADER_MULTI_READ)
  11 #define _TRACE_MSR_H
  12
  13 #include <linux/tracepoint.h>
  14
  15 /*
  16  * Tracing for x86 model specific registers. Directly maps to the
  17  * RDMSR/WRMSR instructions.
  18  */
  19
  20 DECLARE_EVENT_CLASS(msr_trace_class,
  21             TP_PROTO(unsigned msr, u64 val, int failed),
  22             TP_ARGS(msr, val, failed),
  23             TP_STRUCT__entry(
  24                     __field(    unsigned,       msr )
  25                     __field(    u64,            val )
  26                     __field(    int,            failed )
  27             ),
  28             TP_fast_assign(
  29                     __entry->msr = msr;
  30                     __entry->val = val;
  31                     __entry->failed = failed;
  32             ),
  33             TP_printk("%x, value %llx%s",
  34                       __entry->msr,
  35                       __entry->val,
  36                       __entry->failed ? " #GP" : "")
  37 );
  38
  39 DEFINE_EVENT(msr_trace_class, read_msr,
  40              TP_PROTO(unsigned msr, u64 val, int failed),
  41              TP_ARGS(msr, val, failed)
  42 );
  43
  44 DEFINE_EVENT(msr_trace_class, write_msr,
  45              TP_PROTO(unsigned msr, u64 val, int failed),
  46              TP_ARGS(msr, val, failed)
  47 );
  48
  49 DEFINE_EVENT(msr_trace_class, rdpmc,
  50              TP_PROTO(unsigned msr, u64 val, int failed),
  51              TP_ARGS(msr, val, failed)
  52 );
  53
  54 #endif /* _TRACE_MSR_H */
  55
  56 /* This part must be outside protection */
  57 #include <trace/define_trace.h>