1 /* SPDX-License-Identifier: GPL-2.0 */
2 #if !defined(_TRACE_KVMMMU_H) || defined(TRACE_HEADER_MULTI_READ)
3 #define _TRACE_KVMMMU_H
5 #include <linux/tracepoint.h>
6 #include <linux/trace_events.h>
9 #define TRACE_SYSTEM kvmmmu
11 #define KVM_MMU_PAGE_FIELDS \
12 __field(__u8, mmu_valid_gen) \
14 __field(__u32, role) \
15 __field(__u32, root_count) \
18 #define KVM_MMU_PAGE_ASSIGN(sp) \
19 __entry->mmu_valid_gen = sp->mmu_valid_gen; \
20 __entry->gfn = sp->gfn; \
21 __entry->role = sp->role.word; \
22 __entry->root_count = sp->root_count; \
23 __entry->unsync = sp->unsync;
25 #define KVM_MMU_PAGE_PRINTK() ({ \
26 const char *saved_ptr = trace_seq_buffer_ptr(p); \
27 static const char *access_str[] = { \
28 "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" \
30 union kvm_mmu_page_role role; \
32 role.word = __entry->role; \
34 trace_seq_printf(p, "sp gen %u gfn %llx l%u %u-byte q%u%s %s%s" \
35 " %snxe %sad root %u %s%c", \
36 __entry->mmu_valid_gen, \
37 __entry->gfn, role.level, \
38 role.has_4_byte_gpte ? 4 : 8, \
40 role.direct ? " direct" : "", \
41 access_str[role.access], \
42 role.invalid ? " invalid" : "", \
43 role.efer_nx ? "" : "!", \
44 role.ad_disabled ? "!" : "", \
45 __entry->root_count, \
46 __entry->unsync ? "unsync" : "sync", 0); \
50 #define kvm_mmu_trace_pferr_flags \
51 { PFERR_PRESENT_MASK, "P" }, \
52 { PFERR_WRITE_MASK, "W" }, \
53 { PFERR_USER_MASK, "U" }, \
54 { PFERR_RSVD_MASK, "RSVD" }, \
55 { PFERR_FETCH_MASK, "F" }
57 TRACE_DEFINE_ENUM(RET_PF_RETRY);
58 TRACE_DEFINE_ENUM(RET_PF_EMULATE);
59 TRACE_DEFINE_ENUM(RET_PF_INVALID);
60 TRACE_DEFINE_ENUM(RET_PF_FIXED);
61 TRACE_DEFINE_ENUM(RET_PF_SPURIOUS);
64 * A pagetable walk has started
67 kvm_mmu_pagetable_walk,
68 TP_PROTO(u64 addr, u32 pferr),
78 __entry->pferr = pferr;
81 TP_printk("addr %llx pferr %x %s", __entry->addr, __entry->pferr,
82 __print_flags(__entry->pferr, "|", kvm_mmu_trace_pferr_flags))
86 /* We just walked a paging element */
88 kvm_mmu_paging_element,
89 TP_PROTO(u64 pte, int level),
99 __entry->level = level;
102 TP_printk("pte %llx level %u", __entry->pte, __entry->level)
105 DECLARE_EVENT_CLASS(kvm_mmu_set_bit_class,
107 TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
109 TP_ARGS(table_gfn, index, size),
116 __entry->gpa = ((u64)table_gfn << PAGE_SHIFT)
120 TP_printk("gpa %llx", __entry->gpa)
123 /* We set a pte accessed bit */
124 DEFINE_EVENT(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
126 TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
128 TP_ARGS(table_gfn, index, size)
131 /* We set a pte dirty bit */
132 DEFINE_EVENT(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
134 TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
136 TP_ARGS(table_gfn, index, size)
140 kvm_mmu_walker_error,
145 __field(__u32, pferr)
149 __entry->pferr = pferr;
152 TP_printk("pferr %x %s", __entry->pferr,
153 __print_flags(__entry->pferr, "|", kvm_mmu_trace_pferr_flags))
158 TP_PROTO(struct kvm_mmu_page *sp, bool created),
159 TP_ARGS(sp, created),
163 __field(bool, created)
167 KVM_MMU_PAGE_ASSIGN(sp)
168 __entry->created = created;
171 TP_printk("%s %s", KVM_MMU_PAGE_PRINTK(),
172 __entry->created ? "new" : "existing")
175 DECLARE_EVENT_CLASS(kvm_mmu_page_class,
177 TP_PROTO(struct kvm_mmu_page *sp),
185 KVM_MMU_PAGE_ASSIGN(sp)
188 TP_printk("%s", KVM_MMU_PAGE_PRINTK())
191 DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_sync_page,
192 TP_PROTO(struct kvm_mmu_page *sp),
197 DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_unsync_page,
198 TP_PROTO(struct kvm_mmu_page *sp),
203 DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
204 TP_PROTO(struct kvm_mmu_page *sp),
211 TP_PROTO(u64 *sptep, gfn_t gfn, u64 spte),
212 TP_ARGS(sptep, gfn, spte),
215 __field(void *, sptep)
217 __field(unsigned, access)
218 __field(unsigned int, gen)
222 __entry->sptep = sptep;
224 __entry->access = spte & ACC_ALL;
225 __entry->gen = get_mmio_spte_generation(spte);
228 TP_printk("sptep:%p gfn %llx access %x gen %x", __entry->sptep,
229 __entry->gfn, __entry->access, __entry->gen)
233 handle_mmio_page_fault,
234 TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
235 TP_ARGS(addr, gfn, access),
240 __field(unsigned, access)
244 __entry->addr = addr;
246 __entry->access = access;
249 TP_printk("addr:%llx gfn %llx access %x", __entry->addr, __entry->gfn,
255 TP_PROTO(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
256 u64 *sptep, u64 old_spte, int ret),
257 TP_ARGS(vcpu, fault, sptep, old_spte, ret),
260 __field(int, vcpu_id)
261 __field(gpa_t, cr2_or_gpa)
262 __field(u32, error_code)
263 __field(u64 *, sptep)
264 __field(u64, old_spte)
265 __field(u64, new_spte)
270 __entry->vcpu_id = vcpu->vcpu_id;
271 __entry->cr2_or_gpa = fault->addr;
272 __entry->error_code = fault->error_code;
273 __entry->sptep = sptep;
274 __entry->old_spte = old_spte;
275 __entry->new_spte = *sptep;
279 TP_printk("vcpu %d gva %llx error_code %s sptep %p old %#llx"
280 " new %llx spurious %d fixed %d", __entry->vcpu_id,
281 __entry->cr2_or_gpa, __print_flags(__entry->error_code, "|",
282 kvm_mmu_trace_pferr_flags), __entry->sptep,
283 __entry->old_spte, __entry->new_spte,
284 __entry->ret == RET_PF_SPURIOUS, __entry->ret == RET_PF_FIXED
289 kvm_mmu_zap_all_fast,
290 TP_PROTO(struct kvm *kvm),
294 __field(__u8, mmu_valid_gen)
295 __field(unsigned int, mmu_used_pages)
299 __entry->mmu_valid_gen = kvm->arch.mmu_valid_gen;
300 __entry->mmu_used_pages = kvm->arch.n_used_mmu_pages;
303 TP_printk("kvm-mmu-valid-gen %u used_pages %x",
304 __entry->mmu_valid_gen, __entry->mmu_used_pages
311 TP_PROTO(u64 spte, unsigned int kvm_gen, unsigned int spte_gen),
312 TP_ARGS(spte, kvm_gen, spte_gen),
315 __field(unsigned int, kvm_gen)
316 __field(unsigned int, spte_gen)
321 __entry->kvm_gen = kvm_gen;
322 __entry->spte_gen = spte_gen;
323 __entry->spte = spte;
326 TP_printk("spte %llx kvm_gen %x spte-gen %x valid %d", __entry->spte,
327 __entry->kvm_gen, __entry->spte_gen,
328 __entry->kvm_gen == __entry->spte_gen
334 TP_PROTO(int level, gfn_t gfn, u64 *sptep),
335 TP_ARGS(level, gfn, sptep),
342 /* These depend on page entry type, so compute them now. */
345 __field(signed char, u)
350 __entry->spte = *sptep;
351 __entry->sptep = virt_to_phys(sptep);
352 __entry->level = level;
353 __entry->r = shadow_present_mask || (__entry->spte & PT_PRESENT_MASK);
354 __entry->x = is_executable_pte(__entry->spte);
355 __entry->u = shadow_user_mask ? !!(__entry->spte & shadow_user_mask) : -1;
358 TP_printk("gfn %llx spte %llx (%s%s%s%s) level %d at %llx",
359 __entry->gfn, __entry->spte,
360 __entry->r ? "r" : "-",
361 __entry->spte & PT_WRITABLE_MASK ? "w" : "-",
362 __entry->x ? "x" : "-",
363 __entry->u == -1 ? "" : (__entry->u ? "u" : "-"),
364 __entry->level, __entry->sptep
369 kvm_mmu_spte_requested,
370 TP_PROTO(struct kvm_page_fault *fault),
380 __entry->gfn = fault->gfn;
381 __entry->pfn = fault->pfn | (fault->gfn & (KVM_PAGES_PER_HPAGE(fault->goal_level) - 1));
382 __entry->level = fault->goal_level;
385 TP_printk("gfn %llx pfn %llx level %d",
386 __entry->gfn, __entry->pfn, __entry->level
391 kvm_tdp_mmu_spte_changed,
392 TP_PROTO(int as_id, gfn_t gfn, int level, u64 old_spte, u64 new_spte),
393 TP_ARGS(as_id, gfn, level, old_spte, new_spte),
397 __field(u64, old_spte)
398 __field(u64, new_spte)
399 /* Level cannot be larger than 5 on x86, so it fits in a u8. */
401 /* as_id can only be 0 or 1 x86, so it fits in a u8. */
407 __entry->old_spte = old_spte;
408 __entry->new_spte = new_spte;
409 __entry->level = level;
410 __entry->as_id = as_id;
413 TP_printk("as id %d gfn %llx level %d old_spte %llx new_spte %llx",
414 __entry->as_id, __entry->gfn, __entry->level,
415 __entry->old_spte, __entry->new_spte
420 kvm_mmu_split_huge_page,
421 TP_PROTO(u64 gfn, u64 spte, int level, int errno),
422 TP_ARGS(gfn, spte, level, errno),
433 __entry->spte = spte;
434 __entry->level = level;
435 __entry->errno = errno;
438 TP_printk("gfn %llx spte %llx level %d errno %d",
439 __entry->gfn, __entry->spte, __entry->level, __entry->errno)
442 #endif /* _TRACE_KVMMMU_H */
444 #undef TRACE_INCLUDE_PATH
445 #define TRACE_INCLUDE_PATH mmu
446 #undef TRACE_INCLUDE_FILE
447 #define TRACE_INCLUDE_FILE mmutrace
449 /* This part must be outside protection */
450 #include <trace/define_trace.h>