mirror of https://gitee.com/openkylin/linux.git
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* 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>
|