Viewing file:  msr-trace.h (1.35 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM msr
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE msr-trace
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH asm/
#if !defined(_TRACE_MSR_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_MSR_H
#include <linux/tracepoint.h>
/*
* Tracing for x86 model specific registers. Directly maps to the
* RDMSR/WRMSR instructions.
*/
DECLARE_EVENT_CLASS(msr_trace_class,
TP_PROTO(unsigned msr, u64 val, int failed),
TP_ARGS(msr, val, failed),
TP_STRUCT__entry(
__field( unsigned, msr )
__field( u64, val )
__field( int, failed )
),
TP_fast_assign(
__entry->msr = msr;
__entry->val = val;
__entry->failed = failed;
),
TP_printk("%x, value %llx%s",
__entry->msr,
__entry->val,
__entry->failed ? " #GP" : "")
);
DEFINE_EVENT(msr_trace_class, read_msr,
TP_PROTO(unsigned msr, u64 val, int failed),
TP_ARGS(msr, val, failed)
);
DEFINE_EVENT(msr_trace_class, write_msr,
TP_PROTO(unsigned msr, u64 val, int failed),
TP_ARGS(msr, val, failed)
);
DEFINE_EVENT(msr_trace_class, rdpmc,
TP_PROTO(unsigned msr, u64 val, int failed),
TP_ARGS(msr, val, failed)
);
#endif /* _TRACE_MSR_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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