cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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tlb.h (1439B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#undef TRACE_SYSTEM
      3#define TRACE_SYSTEM tlb
      4
      5#if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ)
      6#define _TRACE_TLB_H
      7
      8#include <linux/mm_types.h>
      9#include <linux/tracepoint.h>
     10
     11#define TLB_FLUSH_REASON						\
     12	EM(  TLB_FLUSH_ON_TASK_SWITCH,	"flush on task switch" )	\
     13	EM(  TLB_REMOTE_SHOOTDOWN,	"remote shootdown" )		\
     14	EM(  TLB_LOCAL_SHOOTDOWN,	"local shootdown" )		\
     15	EM(  TLB_LOCAL_MM_SHOOTDOWN,	"local mm shootdown" )		\
     16	EMe( TLB_REMOTE_SEND_IPI,	"remote ipi send" )
     17
     18/*
     19 * First define the enums in TLB_FLUSH_REASON to be exported to userspace
     20 * via TRACE_DEFINE_ENUM().
     21 */
     22#undef EM
     23#undef EMe
     24#define EM(a,b)		TRACE_DEFINE_ENUM(a);
     25#define EMe(a,b)	TRACE_DEFINE_ENUM(a);
     26
     27TLB_FLUSH_REASON
     28
     29/*
     30 * Now redefine the EM() and EMe() macros to map the enums to the strings
     31 * that will be printed in the output.
     32 */
     33#undef EM
     34#undef EMe
     35#define EM(a,b)		{ a, b },
     36#define EMe(a,b)	{ a, b }
     37
     38TRACE_EVENT(tlb_flush,
     39
     40	TP_PROTO(int reason, unsigned long pages),
     41	TP_ARGS(reason, pages),
     42
     43	TP_STRUCT__entry(
     44		__field(	  int, reason)
     45		__field(unsigned long,  pages)
     46	),
     47
     48	TP_fast_assign(
     49		__entry->reason = reason;
     50		__entry->pages  = pages;
     51	),
     52
     53	TP_printk("pages:%ld reason:%s (%d)",
     54		__entry->pages,
     55		__print_symbolic(__entry->reason, TLB_FLUSH_REASON),
     56		__entry->reason)
     57);
     58
     59#endif /* _TRACE_TLB_H */
     60
     61/* This part must be outside protection */
     62#include <trace/define_trace.h>