59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM msr
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE msr-trace
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH asm/
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#if !defined(_TRACE_MSR_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_MSR_H
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#include <linux/tracepoint.h>
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/*
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* Tracing for x86 model specific registers. Directly maps to the
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* RDMSR/WRMSR instructions.
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*/
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DECLARE_EVENT_CLASS(msr_trace_class,
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TP_PROTO(unsigned msr, u64 val, int failed),
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TP_ARGS(msr, val, failed),
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TP_STRUCT__entry(
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__field( unsigned, msr )
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__field( u64, val )
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__field( int, failed )
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),
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TP_fast_assign(
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__entry->msr = msr;
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__entry->val = val;
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__entry->failed = failed;
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),
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TP_printk("%x, value %llx%s",
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__entry->msr,
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__entry->val,
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__entry->failed ? " #GP" : "")
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);
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DEFINE_EVENT(msr_trace_class, read_msr,
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TP_PROTO(unsigned msr, u64 val, int failed),
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TP_ARGS(msr, val, failed)
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);
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DEFINE_EVENT(msr_trace_class, write_msr,
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TP_PROTO(unsigned msr, u64 val, int failed),
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TP_ARGS(msr, val, failed)
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);
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DEFINE_EVENT(msr_trace_class, rdpmc,
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TP_PROTO(unsigned msr, u64 val, int failed),
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TP_ARGS(msr, val, failed)
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);
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#endif /* _TRACE_MSR_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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