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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/riscv/kvm/trace.h
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// SPDX-License-Identifier: GPL-2.0

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/*

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 * Tracepoints for RISC-V KVM

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 *

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 * Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.

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 *

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 */

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#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _TRACE_KVM_H

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#include <linux/tracepoint.h>

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM kvm

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TRACE_EVENT(kvm_entry,

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	TP_PROTO(struct kvm_vcpu *vcpu),

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	TP_ARGS(vcpu),

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	TP_STRUCT__entry(

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		__field(unsigned long, pc)

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	),

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	TP_fast_assign(

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		__entry->pc	= vcpu->arch.guest_context.sepc;

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	),

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	TP_printk("PC: 0x016%lx", __entry->pc)

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);

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TRACE_EVENT(kvm_exit,

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	TP_PROTO(struct kvm_cpu_trap *trap),

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	TP_ARGS(trap),

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	TP_STRUCT__entry(

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		__field(unsigned long, sepc)

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		__field(unsigned long, scause)

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		__field(unsigned long, stval)

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		__field(unsigned long, htval)

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		__field(unsigned long, htinst)

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	),

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	TP_fast_assign(

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		__entry->sepc		= trap->sepc;

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		__entry->scause		= trap->scause;

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		__entry->stval		= trap->stval;

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		__entry->htval		= trap->htval;

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		__entry->htinst		= trap->htinst;

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	),

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	TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx",

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		__entry->sepc,

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		__entry->scause,

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		__entry->stval,

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		__entry->htval,

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		__entry->htinst)

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);

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#endif /* _TRACE_RSICV_KVM_H */

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#undef TRACE_INCLUDE_PATH

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#define TRACE_INCLUDE_PATH .

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#undef TRACE_INCLUDE_FILE

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#define TRACE_INCLUDE_FILE trace

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/* This part must be outside protection */

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#include <trace/define_trace.h>

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