xref: /openbmc/linux/include/trace/events/tlb.h (revision 588b48ca)
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 	{ TLB_FLUSH_ON_TASK_SWITCH,	"flush on task switch" },	\
12 	{ TLB_REMOTE_SHOOTDOWN,		"remote shootdown" },		\
13 	{ TLB_LOCAL_SHOOTDOWN,		"local shootdown" },		\
14 	{ TLB_LOCAL_MM_SHOOTDOWN,	"local mm shootdown" }
15 
16 TRACE_EVENT(tlb_flush,
17 
18 	TP_PROTO(int reason, unsigned long pages),
19 	TP_ARGS(reason, pages),
20 
21 	TP_STRUCT__entry(
22 		__field(	  int, reason)
23 		__field(unsigned long,  pages)
24 	),
25 
26 	TP_fast_assign(
27 		__entry->reason = reason;
28 		__entry->pages  = pages;
29 	),
30 
31 	TP_printk("pages:%ld reason:%s (%d)",
32 		__entry->pages,
33 		__print_symbolic(__entry->reason, TLB_FLUSH_REASON),
34 		__entry->reason)
35 );
36 
37 #endif /* _TRACE_TLB_H */
38 
39 /* This part must be outside protection */
40 #include <trace/define_trace.h>
41