1 /* SPDX-License-Identifier: GPL-2.0 */
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>
6 #include <linux/version.h>
8 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
9 #include <linux/trace_events.h>
10 #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
11 #include <linux/ftrace_event.h>
12 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
15 #define TRACE_SYSTEM kvm_mmu
17 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
19 #define LTTNG_KVM_MMU_PAGE_FIELDS \
20 ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
21 ctf_integer(__u64, gfn, (sp)->gfn) \
22 ctf_integer(__u32, role, (sp)->role.word) \
23 ctf_integer(__u32, root_count, (sp)->root_count) \
24 ctf_integer(bool, unsync, (sp)->unsync)
26 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
28 #define LTTNG_KVM_MMU_PAGE_FIELDS \
29 ctf_integer(__u64, gfn, (sp)->gfn) \
30 ctf_integer(__u32, role, (sp)->role.word) \
31 ctf_integer(__u32, root_count, (sp)->root_count) \
32 ctf_integer(bool, unsync, (sp)->unsync)
34 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
36 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
38 * A pagetable walk has started
40 LTTNG_TRACEPOINT_EVENT(
41 kvm_mmu_pagetable_walk
,
42 TP_PROTO(u64 addr
, u32 pferr
),
46 ctf_integer(__u64
, addr
, addr
)
47 ctf_integer(__u32
, pferr
, pferr
)
50 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
52 * A pagetable walk has started
54 LTTNG_TRACEPOINT_EVENT(
55 kvm_mmu_pagetable_walk
,
56 TP_PROTO(u64 addr
, int write_fault
, int user_fault
, int fetch_fault
),
57 TP_ARGS(addr
, write_fault
, user_fault
, fetch_fault
),
60 ctf_integer(__u64
, addr
, addr
)
61 ctf_integer(__u32
, pferr
,
62 (!!write_fault
<< 1) | (!!user_fault
<< 2)
63 | (!!fetch_fault
<< 4))
66 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
68 /* We just walked a paging element */
69 LTTNG_TRACEPOINT_EVENT(
70 kvm_mmu_paging_element
,
71 TP_PROTO(u64 pte
, int level
),
75 ctf_integer(__u64
, pte
, pte
)
76 ctf_integer(__u32
, level
, level
)
80 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class
,
82 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
84 TP_ARGS(table_gfn
, index
, size
),
87 ctf_integer(__u64
, gpa
,
88 ((u64
)table_gfn
<< PAGE_SHIFT
) + index
* size
)
92 /* We set a pte accessed bit */
93 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_accessed_bit
,
95 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
97 TP_ARGS(table_gfn
, index
, size
)
100 /* We set a pte dirty bit */
101 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_dirty_bit
,
103 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
105 TP_ARGS(table_gfn
, index
, size
)
108 LTTNG_TRACEPOINT_EVENT(
109 kvm_mmu_walker_error
,
114 ctf_integer(__u32
, pferr
, pferr
)
118 LTTNG_TRACEPOINT_EVENT(
120 TP_PROTO(struct kvm_mmu_page
*sp
, bool created
),
121 TP_ARGS(sp
, created
),
124 LTTNG_KVM_MMU_PAGE_FIELDS
125 ctf_integer(bool, created
, created
)
129 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class
,
131 TP_PROTO(struct kvm_mmu_page
*sp
),
135 LTTNG_KVM_MMU_PAGE_FIELDS
139 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_sync_page
,
140 TP_PROTO(struct kvm_mmu_page
*sp
),
145 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_unsync_page
,
146 TP_PROTO(struct kvm_mmu_page
*sp
),
151 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_prepare_zap_page
,
152 TP_PROTO(struct kvm_mmu_page
*sp
),
157 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
159 LTTNG_TRACEPOINT_EVENT_MAP(
162 kvm_mmu_mark_mmio_spte
,
164 TP_PROTO(u64
*sptep
, gfn_t gfn
, unsigned access
, unsigned int gen
),
165 TP_ARGS(sptep
, gfn
, access
, gen
),
168 ctf_integer_hex(void *, sptep
, sptep
)
169 ctf_integer(gfn_t
, gfn
, gfn
)
170 ctf_integer(unsigned, access
, access
)
171 ctf_integer(unsigned int, gen
, gen
)
175 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
177 LTTNG_TRACEPOINT_EVENT_MAP(
180 kvm_mmu_mark_mmio_spte
,
182 TP_PROTO(u64
*sptep
, gfn_t gfn
, unsigned access
),
183 TP_ARGS(sptep
, gfn
, access
),
186 ctf_integer_hex(void *, sptep
, sptep
)
187 ctf_integer(gfn_t
, gfn
, gfn
)
188 ctf_integer(unsigned, access
, access
)
192 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
194 LTTNG_TRACEPOINT_EVENT_MAP(
195 handle_mmio_page_fault
,
197 kvm_mmu_handle_mmio_page_fault
,
199 TP_PROTO(u64 addr
, gfn_t gfn
, unsigned access
),
200 TP_ARGS(addr
, gfn
, access
),
203 ctf_integer(u64
, addr
, addr
)
204 ctf_integer(gfn_t
, gfn
, gfn
)
205 ctf_integer(unsigned, access
, access
)
209 LTTNG_TRACEPOINT_EVENT_MAP(
212 kvm_mmu_fast_page_fault
,
214 TP_PROTO(struct kvm_vcpu
*vcpu
, gva_t gva
, u32 error_code
,
215 u64
*sptep
, u64 old_spte
, bool retry
),
216 TP_ARGS(vcpu
, gva
, error_code
, sptep
, old_spte
, retry
),
219 ctf_integer(int, vcpu_id
, vcpu
->vcpu_id
)
220 ctf_integer(gva_t
, gva
, gva
)
221 ctf_integer(u32
, error_code
, error_code
)
222 ctf_integer_hex(u64
*, sptep
, sptep
)
223 ctf_integer(u64
, old_spte
, old_spte
)
224 ctf_integer(u64
, new_spte
, *sptep
)
225 ctf_integer(bool, retry
, retry
)
228 #endif /* LTTNG_TRACE_KVM_MMU_H */
230 #undef TRACE_INCLUDE_PATH
231 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
232 #undef TRACE_INCLUDE_FILE
233 #define TRACE_INCLUDE_FILE mmutrace
235 /* This part must be outside protection */
236 #include <probes/define_trace.h>