1 /* SPDX-License-Identifier: GPL-2.0-only */
2 #if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
3 #define LTTNG_TRACE_KVM_MMU_H
5 #include <probes/lttng-tracepoint-event.h>
7 #include <linux/trace_events.h>
10 #define TRACE_SYSTEM kvm_mmu
12 #define LTTNG_KVM_MMU_PAGE_FIELDS \
13 ctf_integer(__u64, gfn, (sp)->gfn) \
14 ctf_integer(__u32, role, (sp)->role.word) \
15 ctf_integer(__u32, root_count, (sp)->root_count) \
16 ctf_integer(bool, unsync, (sp)->unsync)
19 * A pagetable walk has started
21 LTTNG_TRACEPOINT_EVENT(
22 kvm_mmu_pagetable_walk
,
23 TP_PROTO(u64 addr
, u32 pferr
),
27 ctf_integer_hex(__u64
, addr
, addr
)
28 ctf_integer(__u32
, pferr
, pferr
)
32 /* We just walked a paging element */
33 LTTNG_TRACEPOINT_EVENT(
34 kvm_mmu_paging_element
,
35 TP_PROTO(u64 pte
, int level
),
39 ctf_integer(__u64
, pte
, pte
)
40 ctf_integer(__u32
, level
, level
)
44 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class
,
46 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
48 TP_ARGS(table_gfn
, index
, size
),
51 ctf_integer(__u64
, gpa
,
52 ((u64
)table_gfn
<< PAGE_SHIFT
) + index
* size
)
56 /* We set a pte accessed bit */
57 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_accessed_bit
,
59 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
61 TP_ARGS(table_gfn
, index
, size
)
64 /* We set a pte dirty bit */
65 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_dirty_bit
,
67 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
69 TP_ARGS(table_gfn
, index
, size
)
72 LTTNG_TRACEPOINT_EVENT(
78 ctf_integer(__u32
, pferr
, pferr
)
82 LTTNG_TRACEPOINT_EVENT(
84 TP_PROTO(struct kvm_mmu_page
*sp
, bool created
),
88 LTTNG_KVM_MMU_PAGE_FIELDS
89 ctf_integer(bool, created
, created
)
93 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class
,
95 TP_PROTO(struct kvm_mmu_page
*sp
),
99 LTTNG_KVM_MMU_PAGE_FIELDS
103 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_sync_page
,
104 TP_PROTO(struct kvm_mmu_page
*sp
),
109 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_unsync_page
,
110 TP_PROTO(struct kvm_mmu_page
*sp
),
115 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_prepare_zap_page
,
116 TP_PROTO(struct kvm_mmu_page
*sp
),
121 LTTNG_TRACEPOINT_EVENT_MAP(
124 kvm_mmu_mark_mmio_spte
,
126 TP_PROTO(u64
*sptep
, gfn_t gfn
, unsigned access
, unsigned int gen
),
127 TP_ARGS(sptep
, gfn
, access
, gen
),
130 ctf_integer_hex(void *, sptep
, sptep
)
131 ctf_integer(gfn_t
, gfn
, gfn
)
132 ctf_integer(unsigned, access
, access
)
133 ctf_integer(unsigned int, gen
, gen
)
137 LTTNG_TRACEPOINT_EVENT_MAP(
138 handle_mmio_page_fault
,
140 kvm_mmu_handle_mmio_page_fault
,
142 TP_PROTO(u64 addr
, gfn_t gfn
, unsigned access
),
143 TP_ARGS(addr
, gfn
, access
),
146 ctf_integer_hex(u64
, addr
, addr
)
147 ctf_integer(gfn_t
, gfn
, gfn
)
148 ctf_integer(unsigned, access
, access
)
152 LTTNG_TRACEPOINT_EVENT_MAP(
155 kvm_mmu_fast_page_fault
,
157 TP_PROTO(struct kvm_vcpu
*vcpu
, gpa_t cr2_or_gpa
, u32 error_code
,
158 u64
*sptep
, u64 old_spte
, bool retry
),
159 TP_ARGS(vcpu
, cr2_or_gpa
, error_code
, sptep
, old_spte
, retry
),
162 ctf_integer(int, vcpu_id
, vcpu
->vcpu_id
)
163 ctf_integer(gpa_t
, cr2_or_gpa
, cr2_or_gpa
)
164 ctf_integer(u32
, error_code
, error_code
)
165 ctf_integer_hex(u64
*, sptep
, sptep
)
166 ctf_integer(u64
, old_spte
, old_spte
)
167 ctf_integer(u64
, new_spte
, *sptep
)
168 ctf_integer(bool, retry
, retry
)
172 #endif /* LTTNG_TRACE_KVM_MMU_H */
174 #undef TRACE_INCLUDE_PATH
175 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
176 #undef TRACE_INCLUDE_FILE
177 #define TRACE_INCLUDE_FILE mmutrace
179 /* This part must be outside protection */
180 #include <probes/define_trace.h>