1 #if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
2 #define LTTNG_TRACE_KVM_MMU_H
4 #include "../../../../../../probes/lttng-tracepoint-event.h"
5 #include <linux/version.h>
7 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
8 #include <linux/trace_events.h>
9 #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
10 #include <linux/ftrace_event.h>
11 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
14 #define TRACE_SYSTEM kvm_mmu
16 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
18 #define LTTNG_KVM_MMU_PAGE_FIELDS \
19 ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
20 ctf_integer(__u64, gfn, (sp)->gfn) \
21 ctf_integer(__u32, role, (sp)->role.word) \
22 ctf_integer(__u32, root_count, (sp)->root_count) \
23 ctf_integer(bool, unsync, (sp)->unsync)
25 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
27 #define LTTNG_KVM_MMU_PAGE_FIELDS \
28 ctf_integer(__u64, gfn, (sp)->gfn) \
29 ctf_integer(__u32, role, (sp)->role.word) \
30 ctf_integer(__u32, root_count, (sp)->root_count) \
31 ctf_integer(bool, unsync, (sp)->unsync)
33 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
36 * A pagetable walk has started
38 LTTNG_TRACEPOINT_EVENT(
39 kvm_mmu_pagetable_walk
,
40 TP_PROTO(u64 addr
, u32 pferr
),
44 ctf_integer(__u64
, addr
, addr
)
45 ctf_integer(__u32
, pferr
, pferr
)
50 /* We just walked a paging element */
51 LTTNG_TRACEPOINT_EVENT(
52 kvm_mmu_paging_element
,
53 TP_PROTO(u64 pte
, int level
),
57 ctf_integer(__u64
, pte
, pte
)
58 ctf_integer(__u32
, level
, level
)
62 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class
,
64 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
66 TP_ARGS(table_gfn
, index
, size
),
69 ctf_integer(__u64
, gpa
,
70 ((u64
)table_gfn
<< PAGE_SHIFT
) + index
* size
)
74 /* We set a pte accessed bit */
75 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_accessed_bit
,
77 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
79 TP_ARGS(table_gfn
, index
, size
)
82 /* We set a pte dirty bit */
83 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_dirty_bit
,
85 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
87 TP_ARGS(table_gfn
, index
, size
)
90 LTTNG_TRACEPOINT_EVENT(
96 ctf_integer(__u32
, pferr
, pferr
)
100 LTTNG_TRACEPOINT_EVENT(
102 TP_PROTO(struct kvm_mmu_page
*sp
, bool created
),
103 TP_ARGS(sp
, created
),
106 LTTNG_KVM_MMU_PAGE_FIELDS
107 ctf_integer(bool, created
, created
)
111 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class
,
113 TP_PROTO(struct kvm_mmu_page
*sp
),
117 LTTNG_KVM_MMU_PAGE_FIELDS
121 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_sync_page
,
122 TP_PROTO(struct kvm_mmu_page
*sp
),
127 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_unsync_page
,
128 TP_PROTO(struct kvm_mmu_page
*sp
),
133 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_prepare_zap_page
,
134 TP_PROTO(struct kvm_mmu_page
*sp
),
139 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
141 LTTNG_TRACEPOINT_EVENT_MAP(
144 kvm_mmu_mark_mmio_spte
,
146 TP_PROTO(u64
*sptep
, gfn_t gfn
, unsigned access
, unsigned int gen
),
147 TP_ARGS(sptep
, gfn
, access
, gen
),
150 ctf_integer(void *, sptep
, sptep
)
151 ctf_integer(gfn_t
, gfn
, gfn
)
152 ctf_integer(unsigned, access
, access
)
153 ctf_integer(unsigned int, gen
, gen
)
157 #else /* #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
),
165 TP_ARGS(sptep
, gfn
, access
),
168 ctf_integer(void *, sptep
, sptep
)
169 ctf_integer(gfn_t
, gfn
, gfn
)
170 ctf_integer(unsigned, access
, access
)
174 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
176 LTTNG_TRACEPOINT_EVENT_MAP(
177 handle_mmio_page_fault
,
179 kvm_mmu_handle_mmio_page_fault
,
181 TP_PROTO(u64 addr
, gfn_t gfn
, unsigned access
),
182 TP_ARGS(addr
, gfn
, access
),
185 ctf_integer(u64
, addr
, addr
)
186 ctf_integer(gfn_t
, gfn
, gfn
)
187 ctf_integer(unsigned, access
, access
)
191 LTTNG_TRACEPOINT_EVENT_MAP(
194 kvm_mmu_fast_page_fault
,
196 TP_PROTO(struct kvm_vcpu
*vcpu
, gva_t gva
, u32 error_code
,
197 u64
*sptep
, u64 old_spte
, bool retry
),
198 TP_ARGS(vcpu
, gva
, error_code
, sptep
, old_spte
, retry
),
201 ctf_integer(int, vcpu_id
, vcpu
->vcpu_id
)
202 ctf_integer(gva_t
, gva
, gva
)
203 ctf_integer(u32
, error_code
, error_code
)
204 ctf_integer(u64
*, sptep
, sptep
)
205 ctf_integer(u64
, old_spte
, old_spte
)
206 ctf_integer(u64
, new_spte
, *sptep
)
207 ctf_integer(bool, retry
, retry
)
210 #endif /* LTTNG_TRACE_KVM_MMU_H */
212 #undef TRACE_INCLUDE_PATH
213 #define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module/arch/x86/kvm
214 #undef TRACE_INCLUDE_FILE
215 #define TRACE_INCLUDE_FILE mmutrace
217 /* This part must be outside protection */
218 #include "../../../../../../probes/define_trace.h"