LXR linux/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
  20DECLARE_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
  39DEFINE_EVENT(msr_trace_class, read_msr,
  40             TP_PROTO(unsigned msr, u64 val, int failed),
  41             TP_ARGS(msr, val, failed)
  42);
  43
  44DEFINE_EVENT(msr_trace_class, write_msr,
  45             TP_PROTO(unsigned msr, u64 val, int failed),
  46             TP_ARGS(msr, val, failed)
  47);
  48
  49DEFINE_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>
  58