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/* 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" ) \
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>