Release 4.7 include/trace/events/tlb.h

#undef TRACE_SYSTEM

#define TRACE_SYSTEM tlb

#if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_TLB_H

#include <linux/mm_types.h>
#include <linux/tracepoint.h>


#define TLB_FLUSH_REASON						\
	EM(  TLB_FLUSH_ON_TASK_SWITCH,  "flush on task switch" )        \
        EM(  TLB_REMOTE_SHOOTDOWN,      "remote shootdown" )            \
        EM(  TLB_LOCAL_SHOOTDOWN,       "local shootdown" )             \
        EM(  TLB_LOCAL_MM_SHOOTDOWN,    "local mm shootdown" )          \
        EMe( TLB_REMOTE_SEND_IPI,       "remote ipi send" )

/*
 * First define the enums in TLB_FLUSH_REASON to be exported to userspace
 * via TRACE_DEFINE_ENUM().
 */

#undef EM

#undef EMe

#define EM(a,b)		TRACE_DEFINE_ENUM(a);

#define EMe(a,b)	TRACE_DEFINE_ENUM(a);

TLB_FLUSH_REASON

/*
 * Now redefine the EM() and EMe() macros to map the enums to the strings
 * that will be printed in the output.
 */

#undef EM

#undef EMe

#define EM(a,b)		{ a, b },

#define EMe(a,b)	{ a, b }

TRACE_EVENT(tlb_flush,

	TP_PROTO(int reason, unsigned long pages),
	TP_ARGS(reason, pages),

	TP_STRUCT__entry(
		__field(	  int, reason)
		__field(unsigned long,  pages)
	),

	TP_fast_assign(
		__entry->reason = reason;
                __entry->pages  = pages;
	),

	TP_printk("pages:%ld reason:%s (%d)",
		__entry->pages,
		__print_symbolic(__entry->reason, TLB_FLUSH_REASON),
		__entry->reason)
);

#endif /* _TRACE_TLB_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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Directory: include/trace/events

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