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kernel/linux-imx6_3.14.28/include/trace/define_trace.h 3.12 KB
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  /*
   * Trace files that want to automate creation of all tracepoints defined
   * in their file should include this file. The following are macros that the
   * trace file may define:
   *
   * TRACE_SYSTEM defines the system the tracepoint is for
   *
   * TRACE_INCLUDE_FILE if the file name is something other than TRACE_SYSTEM.h
   *     This macro may be defined to tell define_trace.h what file to include.
   *     Note, leave off the ".h".
   *
   * TRACE_INCLUDE_PATH if the path is something other than core kernel include/trace
   *     then this macro can define the path to use. Note, the path is relative to
   *     define_trace.h, not the file including it. Full path names for out of tree
   *     modules must be used.
   */
  
  #ifdef CREATE_TRACE_POINTS
  
  /* Prevent recursion */
  #undef CREATE_TRACE_POINTS
  
  #include <linux/stringify.h>
  
  #undef TRACE_EVENT
  #define TRACE_EVENT(name, proto, args, tstruct, assign, print)	\
  	DEFINE_TRACE(name)
  
  #undef TRACE_EVENT_CONDITION
  #define TRACE_EVENT_CONDITION(name, proto, args, cond, tstruct, assign, print) \
  	TRACE_EVENT(name,						\
  		PARAMS(proto),						\
  		PARAMS(args),						\
  		PARAMS(tstruct),					\
  		PARAMS(assign),						\
  		PARAMS(print))
  
  #undef TRACE_EVENT_FN
  #define TRACE_EVENT_FN(name, proto, args, tstruct,		\
  		assign, print, reg, unreg)			\
  	DEFINE_TRACE_FN(name, reg, unreg)
  
  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, name, proto, args) \
  	DEFINE_TRACE(name)
  
  #undef DEFINE_EVENT_FN
  #define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \
  	DEFINE_TRACE_FN(name, reg, unreg)
  
  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
  	DEFINE_TRACE(name)
  
  #undef DEFINE_EVENT_CONDITION
  #define DEFINE_EVENT_CONDITION(template, name, proto, args, cond) \
  	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
  
  #undef DECLARE_TRACE
  #define DECLARE_TRACE(name, proto, args)	\
  	DEFINE_TRACE(name)
  
  #undef TRACE_INCLUDE
  #undef __TRACE_INCLUDE
  
  #ifndef TRACE_INCLUDE_FILE
  # define TRACE_INCLUDE_FILE TRACE_SYSTEM
  # define UNDEF_TRACE_INCLUDE_FILE
  #endif
  
  #ifndef TRACE_INCLUDE_PATH
  # define __TRACE_INCLUDE(system) <trace/events/system.h>
  # define UNDEF_TRACE_INCLUDE_PATH
  #else
  # define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h)
  #endif
  
  # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system)
  
  /* Let the trace headers be reread */
  #define TRACE_HEADER_MULTI_READ
  
  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
  
  /* Make all open coded DECLARE_TRACE nops */
  #undef DECLARE_TRACE
  #define DECLARE_TRACE(name, proto, args)
  
  #ifdef CONFIG_EVENT_TRACING
  #include <trace/ftrace.h>
  #endif
  
  #undef TRACE_EVENT
  #undef TRACE_EVENT_FN
  #undef TRACE_EVENT_CONDITION
  #undef DECLARE_EVENT_CLASS
  #undef DEFINE_EVENT
  #undef DEFINE_EVENT_FN
  #undef DEFINE_EVENT_PRINT
  #undef DEFINE_EVENT_CONDITION
  #undef TRACE_HEADER_MULTI_READ
  #undef DECLARE_TRACE
  
  /* Only undef what we defined in this file */
  #ifdef UNDEF_TRACE_INCLUDE_FILE
  # undef TRACE_INCLUDE_FILE
  # undef UNDEF_TRACE_INCLUDE_FILE
  #endif
  
  #ifdef UNDEF_TRACE_INCLUDE_PATH
  # undef TRACE_INCLUDE_PATH
  # undef UNDEF_TRACE_INCLUDE_PATH
  #endif
  
  /* We may be processing more files */
  #define CREATE_TRACE_POINTS
  
  #endif /* CREATE_TRACE_POINTS */