1 #if !defined(LTTNG_TRACE_KVMMMU_H) || defined(TRACE_HEADER_MULTI_READ)
2 #define LTTNG_TRACE_KVMMMU_H
4 #include "../../../../../../probes/lttng-tracepoint-event.h"
5 #include <linux/ftrace_event.h>
8 #define TRACE_SYSTEM kvmmmu
10 #define KVM_MMU_PAGE_FIELDS \
12 __field(__u32, role) \
13 __field(__u32, root_count) \
16 #define KVM_MMU_PAGE_ASSIGN(sp) \
17 tp_assign(gfn, sp->gfn) \
18 tp_assign(role, sp->role.word) \
19 tp_assign(root_count, sp->root_count) \
20 tp_assign(unsync, sp->unsync)
22 #define KVM_MMU_PAGE_PRINTK() ({ \
23 const char *ret = p->buffer + p->len; \
24 static const char *access_str[] = { \
25 "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" \
27 union kvm_mmu_page_role role; \
29 role.word = __entry->role; \
31 trace_seq_printf(p, "sp gfn %llx %u%s q%u%s %s%s" \
32 " %snxe root %u %s%c", \
33 __entry->gfn, role.level, \
34 role.cr4_pae ? " pae" : "", \
36 role.direct ? " direct" : "", \
37 access_str[role.access], \
38 role.invalid ? " invalid" : "", \
39 role.nxe ? "" : "!", \
40 __entry->root_count, \
41 __entry->unsync ? "unsync" : "sync", 0); \
45 #define kvm_mmu_trace_pferr_flags \
46 { PFERR_PRESENT_MASK, "P" }, \
47 { PFERR_WRITE_MASK, "W" }, \
48 { PFERR_USER_MASK, "U" }, \
49 { PFERR_RSVD_MASK, "RSVD" }, \
50 { PFERR_FETCH_MASK, "F" }
53 * A pagetable walk has started
55 LTTNG_TRACEPOINT_EVENT(
56 kvm_mmu_pagetable_walk
,
57 TP_PROTO(u64 addr
, u32 pferr
),
67 tp_assign(pferr
, pferr
)
70 TP_printk("addr %llx pferr %x %s", __entry
->addr
, __entry
->pferr
,
71 __print_flags(__entry
->pferr
, "|", kvm_mmu_trace_pferr_flags
))
75 /* We just walked a paging element */
76 LTTNG_TRACEPOINT_EVENT(
77 kvm_mmu_paging_element
,
78 TP_PROTO(u64 pte
, int level
),
88 tp_assign(level
, level
)
91 TP_printk("pte %llx level %u", __entry
->pte
, __entry
->level
)
94 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class
,
96 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
98 TP_ARGS(table_gfn
, index
, size
),
105 tp_assign(gpa
, ((u64
)table_gfn
<< PAGE_SHIFT
)
109 TP_printk("gpa %llx", __entry
->gpa
)
112 /* We set a pte accessed bit */
113 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_accessed_bit
,
115 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
117 TP_ARGS(table_gfn
, index
, size
)
120 /* We set a pte dirty bit */
121 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class
, kvm_mmu_set_dirty_bit
,
123 TP_PROTO(unsigned long table_gfn
, unsigned index
, unsigned size
),
125 TP_ARGS(table_gfn
, index
, size
)
128 LTTNG_TRACEPOINT_EVENT(
129 kvm_mmu_walker_error
,
134 __field(__u32
, pferr
)
138 tp_assign(pferr
, pferr
)
141 TP_printk("pferr %x %s", __entry
->pferr
,
142 __print_flags(__entry
->pferr
, "|", kvm_mmu_trace_pferr_flags
))
145 LTTNG_TRACEPOINT_EVENT(
147 TP_PROTO(struct kvm_mmu_page
*sp
, bool created
),
148 TP_ARGS(sp
, created
),
152 __field(bool, created
)
156 KVM_MMU_PAGE_ASSIGN(sp
)
157 tp_assign(created
, created
)
160 TP_printk("%s %s", KVM_MMU_PAGE_PRINTK(),
161 __entry
->created
? "new" : "existing")
164 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class
,
166 TP_PROTO(struct kvm_mmu_page
*sp
),
174 KVM_MMU_PAGE_ASSIGN(sp
)
177 TP_printk("%s", KVM_MMU_PAGE_PRINTK())
180 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_sync_page
,
181 TP_PROTO(struct kvm_mmu_page
*sp
),
186 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_unsync_page
,
187 TP_PROTO(struct kvm_mmu_page
*sp
),
192 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class
, kvm_mmu_prepare_zap_page
,
193 TP_PROTO(struct kvm_mmu_page
*sp
),
198 LTTNG_TRACEPOINT_EVENT(
200 TP_PROTO(u64
*sptep
, gfn_t gfn
, unsigned access
),
201 TP_ARGS(sptep
, gfn
, access
),
204 __field(void *, sptep
)
206 __field(unsigned, access
)
210 tp_assign(sptep
, sptep
)
212 tp_assign(access
, access
)
215 TP_printk("sptep:%p gfn %llx access %x", __entry
->sptep
, __entry
->gfn
,
219 LTTNG_TRACEPOINT_EVENT(
220 handle_mmio_page_fault
,
221 TP_PROTO(u64 addr
, gfn_t gfn
, unsigned access
),
222 TP_ARGS(addr
, gfn
, access
),
227 __field(unsigned, access
)
231 tp_assign(addr
, addr
)
233 tp_assign(access
, access
)
236 TP_printk("addr:%llx gfn %llx access %x", __entry
->addr
, __entry
->gfn
,
240 #define __spte_satisfied(__spte) \
241 (__entry->retry && is_writable_pte(__entry->__spte))
243 LTTNG_TRACEPOINT_EVENT(
245 TP_PROTO(struct kvm_vcpu
*vcpu
, gva_t gva
, u32 error_code
,
246 u64
*sptep
, u64 old_spte
, bool retry
),
247 TP_ARGS(vcpu
, gva
, error_code
, sptep
, old_spte
, retry
),
250 __field(int, vcpu_id
)
252 __field(u32
, error_code
)
253 __field(u64
*, sptep
)
254 __field(u64
, old_spte
)
255 __field(u64
, new_spte
)
260 tp_assign(vcpu_id
, vcpu
->vcpu_id
)
262 tp_assign(error_code
, error_code
)
263 tp_assign(sptep
, sptep
)
264 tp_assign(old_spte
, old_spte
)
265 tp_assign(new_spte
, *sptep
)
266 tp_assign(retry
, retry
)
269 TP_printk("vcpu %d gva %lx error_code %s sptep %p old %#llx"
270 " new %llx spurious %d fixed %d", __entry
->vcpu_id
,
271 __entry
->gva
, __print_flags(__entry
->error_code
, "|",
272 kvm_mmu_trace_pferr_flags
), __entry
->sptep
,
273 __entry
->old_spte
, __entry
->new_spte
,
274 __spte_satisfied(old_spte
), __spte_satisfied(new_spte
)
277 #endif /* LTTNG_TRACE_KVMMMU_H */
279 #undef TRACE_INCLUDE_PATH
280 #define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module/arch/x86/kvm
281 #undef TRACE_INCLUDE_FILE
282 #define TRACE_INCLUDE_FILE mmutrace
284 /* This part must be outside protection */
285 #include "../../../../../../probes/define_trace.h"