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Commit | Line | Data |
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d17d8f9d DH |
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 | ||
23b97662 SRRH |
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" ) \ | |
5b74283a MG |
14 | EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \ |
15 | EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" ) | |
23b97662 SRRH |
16 | |
17 | /* | |
18 | * First define the enums in TLB_FLUSH_REASON to be exported to userspace | |
19 | * via TRACE_DEFINE_ENUM(). | |
20 | */ | |
21 | #undef EM | |
22 | #undef EMe | |
23 | #define EM(a,b) TRACE_DEFINE_ENUM(a); | |
24 | #define EMe(a,b) TRACE_DEFINE_ENUM(a); | |
25 | ||
26 | TLB_FLUSH_REASON | |
27 | ||
28 | /* | |
29 | * Now redefine the EM() and EMe() macros to map the enums to the strings | |
30 | * that will be printed in the output. | |
31 | */ | |
32 | #undef EM | |
33 | #undef EMe | |
34 | #define EM(a,b) { a, b }, | |
35 | #define EMe(a,b) { a, b } | |
d17d8f9d | 36 | |
633f6f58 | 37 | TRACE_EVENT(tlb_flush, |
d17d8f9d DH |
38 | |
39 | TP_PROTO(int reason, unsigned long pages), | |
40 | TP_ARGS(reason, pages), | |
41 | ||
42 | TP_STRUCT__entry( | |
43 | __field( int, reason) | |
44 | __field(unsigned long, pages) | |
45 | ), | |
46 | ||
47 | TP_fast_assign( | |
48 | __entry->reason = reason; | |
49 | __entry->pages = pages; | |
50 | ), | |
51 | ||
52 | TP_printk("pages:%ld reason:%s (%d)", | |
53 | __entry->pages, | |
54 | __print_symbolic(__entry->reason, TLB_FLUSH_REASON), | |
55 | __entry->reason) | |
56 | ); | |
57 | ||
58 | #endif /* _TRACE_TLB_H */ | |
59 | ||
60 | /* This part must be outside protection */ | |
61 | #include <trace/define_trace.h> |