Line data Source code
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 0 : 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 0 : 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 0 : 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 0 : 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>
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