1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM tlb
3
4#if !defined(_TRACE_TLB_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_TLB_H
6
7#include <linux/mm_types.h>
8#include <linux/tracepoint.h>
9
10#define TLB_FLUSH_REASON						\
11	EM(  TLB_FLUSH_ON_TASK_SWITCH,	"flush on task switch" )	\
12	EM(  TLB_REMOTE_SHOOTDOWN,	"remote shootdown" )		\
13	EM(  TLB_LOCAL_SHOOTDOWN,	"local shootdown" )		\
14	EMe( TLB_LOCAL_MM_SHOOTDOWN,	"local mm shootdown" )
15
16/*
17 * First define the enums in TLB_FLUSH_REASON to be exported to userspace
18 * via TRACE_DEFINE_ENUM().
19 */
20#undef EM
21#undef EMe
22#define EM(a,b)		TRACE_DEFINE_ENUM(a);
23#define EMe(a,b)	TRACE_DEFINE_ENUM(a);
24
25TLB_FLUSH_REASON
26
27/*
28 * Now redefine the EM() and EMe() macros to map the enums to the strings
29 * that will be printed in the output.
30 */
31#undef EM
32#undef EMe
33#define EM(a,b)		{ a, b },
34#define EMe(a,b)	{ a, b }
35
36TRACE_EVENT_CONDITION(tlb_flush,
37
38	TP_PROTO(int reason, unsigned long pages),
39	TP_ARGS(reason, pages),
40
41	TP_CONDITION(cpu_online(smp_processor_id())),
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>
63