/* SPDX-License-Identifier: GPL-2.0 */
#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" )          \
        EM(  TLB_REMOTE_SEND_IPI,       "remote IPI send" )             \
        EMe( TLB_REMOTE_WRONG_CPU,      "remote wrong CPU" )

/*
 * 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>