trace.h

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Tracepoints for RISC-V KVM
 4 *
 5 * Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.
 6 *
 7 */
 8#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 9#define _TRACE_KVM_H
10
11#include <linux/tracepoint.h>
12
13#undef TRACE_SYSTEM
14#define TRACE_SYSTEM kvm
15
16TRACE_EVENT(kvm_entry,
17	TP_PROTO(struct kvm_vcpu *vcpu),
18	TP_ARGS(vcpu),
19
20	TP_STRUCT__entry(
21		__field(unsigned long, pc)
22	),
23
24	TP_fast_assign(
25		__entry->pc	= vcpu->arch.guest_context.sepc;
26	),
27
28	TP_printk("PC: 0x016%lx", __entry->pc)
29);
30
31TRACE_EVENT(kvm_exit,
32	TP_PROTO(struct kvm_cpu_trap *trap),
33	TP_ARGS(trap),
34
35	TP_STRUCT__entry(
36		__field(unsigned long, sepc)
37		__field(unsigned long, scause)
38		__field(unsigned long, stval)
39		__field(unsigned long, htval)
40		__field(unsigned long, htinst)
41	),
42
43	TP_fast_assign(
44		__entry->sepc		= trap->sepc;
45		__entry->scause		= trap->scause;
46		__entry->stval		= trap->stval;
47		__entry->htval		= trap->htval;
48		__entry->htinst		= trap->htinst;
49	),
50
51	TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx",
52		__entry->sepc,
53		__entry->scause,
54		__entry->stval,
55		__entry->htval,
56		__entry->htinst)
57);
58
59#endif /* _TRACE_RSICV_KVM_H */
60
61#undef TRACE_INCLUDE_PATH
62#define TRACE_INCLUDE_PATH .
63#undef TRACE_INCLUDE_FILE
64#define TRACE_INCLUDE_FILE trace
65
66/* This part must be outside protection */
67#include <trace/define_trace.h>