1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM msr |
4 | |
5 | #undef TRACE_INCLUDE_FILE |
6 | #define TRACE_INCLUDE_FILE msr-trace |
7 | |
8 | #undef TRACE_INCLUDE_PATH |
9 | #define TRACE_INCLUDE_PATH asm/ |
10 | |
11 | #if !defined(_TRACE_MSR_H) || defined(TRACE_HEADER_MULTI_READ) |
12 | #define _TRACE_MSR_H |
13 | |
14 | #include <linux/tracepoint.h> |
15 | |
16 | /* |
17 | * Tracing for x86 model specific registers. Directly maps to the |
18 | * RDMSR/WRMSR instructions. |
19 | */ |
20 | |
21 | DECLARE_EVENT_CLASS(msr_trace_class, |
22 | TP_PROTO(unsigned msr, u64 val, int failed), |
23 | TP_ARGS(msr, val, failed), |
24 | TP_STRUCT__entry( |
25 | __field( unsigned, msr ) |
26 | __field( u64, val ) |
27 | __field( int, failed ) |
28 | ), |
29 | TP_fast_assign( |
30 | __entry->msr = msr; |
31 | __entry->val = val; |
32 | __entry->failed = failed; |
33 | ), |
34 | TP_printk("%x, value %llx%s" , |
35 | __entry->msr, |
36 | __entry->val, |
37 | __entry->failed ? " #GP" : "" ) |
38 | ); |
39 | |
40 | DEFINE_EVENT(msr_trace_class, read_msr, |
41 | TP_PROTO(unsigned msr, u64 val, int failed), |
42 | TP_ARGS(msr, val, failed) |
43 | ); |
44 | |
45 | DEFINE_EVENT(msr_trace_class, write_msr, |
46 | TP_PROTO(unsigned msr, u64 val, int failed), |
47 | TP_ARGS(msr, val, failed) |
48 | ); |
49 | |
50 | DEFINE_EVENT(msr_trace_class, rdpmc, |
51 | TP_PROTO(unsigned msr, u64 val, int failed), |
52 | TP_ARGS(msr, val, failed) |
53 | ); |
54 | |
55 | #endif /* _TRACE_MSR_H */ |
56 | |
57 | /* This part must be outside protection */ |
58 | #include <trace/define_trace.h> |
59 | |