| /* SPDX-License-Identifier: GPL-2.0 */ |
| #if !defined(_TRACE_KVMMMU_H) || defined(TRACE_HEADER_MULTI_READ) |
| #define _TRACE_KVMMMU_H |
| |
| #include <linux/tracepoint.h> |
| #include <linux/trace_events.h> |
| |
| #undef TRACE_SYSTEM |
| #define TRACE_SYSTEM kvmmmu |
| |
| #define KVM_MMU_PAGE_FIELDS \ |
| __field(__u8, mmu_valid_gen) \ |
| __field(__u64, gfn) \ |
| __field(__u32, role) \ |
| __field(__u32, root_count) \ |
| __field(bool, unsync) |
| |
| #define KVM_MMU_PAGE_ASSIGN(sp) \ |
| __entry->mmu_valid_gen = sp->mmu_valid_gen; \ |
| __entry->gfn = sp->gfn; \ |
| __entry->role = sp->role.word; \ |
| __entry->root_count = sp->root_count; \ |
| __entry->unsync = sp->unsync; |
| |
| #define KVM_MMU_PAGE_PRINTK() ({ \ |
| const char *saved_ptr = trace_seq_buffer_ptr(p); \ |
| static const char *access_str[] = { \ |
| "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" \ |
| }; \ |
| union kvm_mmu_page_role role; \ |
| \ |
| role.word = __entry->role; \ |
| \ |
| trace_seq_printf(p, "sp gen %u gfn %llx l%u %u-byte q%u%s %s%s" \ |
| " %snxe %sad root %u %s%c", \ |
| __entry->mmu_valid_gen, \ |
| __entry->gfn, role.level, \ |
| role.gpte_is_8_bytes ? 8 : 4, \ |
| role.quadrant, \ |
| role.direct ? " direct" : "", \ |
| access_str[role.access], \ |
| role.invalid ? " invalid" : "", \ |
| role.nxe ? "" : "!", \ |
| role.ad_disabled ? "!" : "", \ |
| __entry->root_count, \ |
| __entry->unsync ? "unsync" : "sync", 0); \ |
| saved_ptr; \ |
| }) |
| |
| #define kvm_mmu_trace_pferr_flags \ |
| { PFERR_PRESENT_MASK, "P" }, \ |
| { PFERR_WRITE_MASK, "W" }, \ |
| { PFERR_USER_MASK, "U" }, \ |
| { PFERR_RSVD_MASK, "RSVD" }, \ |
| { PFERR_FETCH_MASK, "F" } |
| |
| /* |
| * A pagetable walk has started |
| */ |
| TRACE_EVENT( |
| kvm_mmu_pagetable_walk, |
| TP_PROTO(u64 addr, u32 pferr), |
| TP_ARGS(addr, pferr), |
| |
| TP_STRUCT__entry( |
| __field(__u64, addr) |
| __field(__u32, pferr) |
| ), |
| |
| TP_fast_assign( |
| __entry->addr = addr; |
| __entry->pferr = pferr; |
| ), |
| |
| TP_printk("addr %llx pferr %x %s", __entry->addr, __entry->pferr, |
| __print_flags(__entry->pferr, "|", kvm_mmu_trace_pferr_flags)) |
| ); |
| |
| |
| /* We just walked a paging element */ |
| TRACE_EVENT( |
| kvm_mmu_paging_element, |
| TP_PROTO(u64 pte, int level), |
| TP_ARGS(pte, level), |
| |
| TP_STRUCT__entry( |
| __field(__u64, pte) |
| __field(__u32, level) |
| ), |
| |
| TP_fast_assign( |
| __entry->pte = pte; |
| __entry->level = level; |
| ), |
| |
| TP_printk("pte %llx level %u", __entry->pte, __entry->level) |
| ); |
| |
| DECLARE_EVENT_CLASS(kvm_mmu_set_bit_class, |
| |
| TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size), |
| |
| TP_ARGS(table_gfn, index, size), |
| |
| TP_STRUCT__entry( |
| __field(__u64, gpa) |
| ), |
| |
| TP_fast_assign( |
| __entry->gpa = ((u64)table_gfn << PAGE_SHIFT) |
| + index * size; |
| ), |
| |
| TP_printk("gpa %llx", __entry->gpa) |
| ); |
| |
| /* We set a pte accessed bit */ |
| DEFINE_EVENT(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit, |
| |
| TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size), |
| |
| TP_ARGS(table_gfn, index, size) |
| ); |
| |
| /* We set a pte dirty bit */ |
| DEFINE_EVENT(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit, |
| |
| TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size), |
| |
| TP_ARGS(table_gfn, index, size) |
| ); |
| |
| TRACE_EVENT( |
| kvm_mmu_walker_error, |
| TP_PROTO(u32 pferr), |
| TP_ARGS(pferr), |
| |
| TP_STRUCT__entry( |
| __field(__u32, pferr) |
| ), |
| |
| TP_fast_assign( |
| __entry->pferr = pferr; |
| ), |
| |
| TP_printk("pferr %x %s", __entry->pferr, |
| __print_flags(__entry->pferr, "|", kvm_mmu_trace_pferr_flags)) |
| ); |
| |
| TRACE_EVENT( |
| kvm_mmu_get_page, |
| TP_PROTO(struct kvm_mmu_page *sp, bool created), |
| TP_ARGS(sp, created), |
| |
| TP_STRUCT__entry( |
| KVM_MMU_PAGE_FIELDS |
| __field(bool, created) |
| ), |
| |
| TP_fast_assign( |
| KVM_MMU_PAGE_ASSIGN(sp) |
| __entry->created = created; |
| ), |
| |
| TP_printk("%s %s", KVM_MMU_PAGE_PRINTK(), |
| __entry->created ? "new" : "existing") |
| ); |
| |
| DECLARE_EVENT_CLASS(kvm_mmu_page_class, |
| |
| TP_PROTO(struct kvm_mmu_page *sp), |
| TP_ARGS(sp), |
| |
| TP_STRUCT__entry( |
| KVM_MMU_PAGE_FIELDS |
| ), |
| |
| TP_fast_assign( |
| KVM_MMU_PAGE_ASSIGN(sp) |
| ), |
| |
| TP_printk("%s", KVM_MMU_PAGE_PRINTK()) |
| ); |
| |
| DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_sync_page, |
| TP_PROTO(struct kvm_mmu_page *sp), |
| |
| TP_ARGS(sp) |
| ); |
| |
| DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_unsync_page, |
| TP_PROTO(struct kvm_mmu_page *sp), |
| |
| TP_ARGS(sp) |
| ); |
| |
| DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_prepare_zap_page, |
| TP_PROTO(struct kvm_mmu_page *sp), |
| |
| TP_ARGS(sp) |
| ); |
| |
| TRACE_EVENT( |
| mark_mmio_spte, |
| TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen), |
| TP_ARGS(sptep, gfn, access, gen), |
| |
| TP_STRUCT__entry( |
| __field(void *, sptep) |
| __field(gfn_t, gfn) |
| __field(unsigned, access) |
| __field(unsigned int, gen) |
| ), |
| |
| TP_fast_assign( |
| __entry->sptep = sptep; |
| __entry->gfn = gfn; |
| __entry->access = access; |
| __entry->gen = gen; |
| ), |
| |
| TP_printk("sptep:%p gfn %llx access %x gen %x", __entry->sptep, |
| __entry->gfn, __entry->access, __entry->gen) |
| ); |
| |
| TRACE_EVENT( |
| handle_mmio_page_fault, |
| TP_PROTO(u64 addr, gfn_t gfn, unsigned access), |
| TP_ARGS(addr, gfn, access), |
| |
| TP_STRUCT__entry( |
| __field(u64, addr) |
| __field(gfn_t, gfn) |
| __field(unsigned, access) |
| ), |
| |
| TP_fast_assign( |
| __entry->addr = addr; |
| __entry->gfn = gfn; |
| __entry->access = access; |
| ), |
| |
| TP_printk("addr:%llx gfn %llx access %x", __entry->addr, __entry->gfn, |
| __entry->access) |
| ); |
| |
| #define __spte_satisfied(__spte) \ |
| (__entry->retry && is_writable_pte(__entry->__spte)) |
| |
| TRACE_EVENT( |
| fast_page_fault, |
| TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, |
| u64 *sptep, u64 old_spte, bool retry), |
| TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry), |
| |
| TP_STRUCT__entry( |
| __field(int, vcpu_id) |
| __field(gpa_t, cr2_or_gpa) |
| __field(u32, error_code) |
| __field(u64 *, sptep) |
| __field(u64, old_spte) |
| __field(u64, new_spte) |
| __field(bool, retry) |
| ), |
| |
| TP_fast_assign( |
| __entry->vcpu_id = vcpu->vcpu_id; |
| __entry->cr2_or_gpa = cr2_or_gpa; |
| __entry->error_code = error_code; |
| __entry->sptep = sptep; |
| __entry->old_spte = old_spte; |
| __entry->new_spte = *sptep; |
| __entry->retry = retry; |
| ), |
| |
| TP_printk("vcpu %d gva %llx error_code %s sptep %p old %#llx" |
| " new %llx spurious %d fixed %d", __entry->vcpu_id, |
| __entry->cr2_or_gpa, __print_flags(__entry->error_code, "|", |
| kvm_mmu_trace_pferr_flags), __entry->sptep, |
| __entry->old_spte, __entry->new_spte, |
| __spte_satisfied(old_spte), __spte_satisfied(new_spte) |
| ) |
| ); |
| |
| TRACE_EVENT( |
| kvm_mmu_zap_all_fast, |
| TP_PROTO(struct kvm *kvm), |
| TP_ARGS(kvm), |
| |
| TP_STRUCT__entry( |
| __field(__u8, mmu_valid_gen) |
| __field(unsigned int, mmu_used_pages) |
| ), |
| |
| TP_fast_assign( |
| __entry->mmu_valid_gen = kvm->arch.mmu_valid_gen; |
| __entry->mmu_used_pages = kvm->arch.n_used_mmu_pages; |
| ), |
| |
| TP_printk("kvm-mmu-valid-gen %u used_pages %x", |
| __entry->mmu_valid_gen, __entry->mmu_used_pages |
| ) |
| ); |
| |
| |
| TRACE_EVENT( |
| check_mmio_spte, |
| TP_PROTO(u64 spte, unsigned int kvm_gen, unsigned int spte_gen), |
| TP_ARGS(spte, kvm_gen, spte_gen), |
| |
| TP_STRUCT__entry( |
| __field(unsigned int, kvm_gen) |
| __field(unsigned int, spte_gen) |
| __field(u64, spte) |
| ), |
| |
| TP_fast_assign( |
| __entry->kvm_gen = kvm_gen; |
| __entry->spte_gen = spte_gen; |
| __entry->spte = spte; |
| ), |
| |
| TP_printk("spte %llx kvm_gen %x spte-gen %x valid %d", __entry->spte, |
| __entry->kvm_gen, __entry->spte_gen, |
| __entry->kvm_gen == __entry->spte_gen |
| ) |
| ); |
| |
| TRACE_EVENT( |
| kvm_mmu_set_spte, |
| TP_PROTO(int level, gfn_t gfn, u64 *sptep), |
| TP_ARGS(level, gfn, sptep), |
| |
| TP_STRUCT__entry( |
| __field(u64, gfn) |
| __field(u64, spte) |
| __field(u64, sptep) |
| __field(u8, level) |
| /* These depend on page entry type, so compute them now. */ |
| __field(bool, r) |
| __field(bool, x) |
| __field(signed char, u) |
| ), |
| |
| TP_fast_assign( |
| __entry->gfn = gfn; |
| __entry->spte = *sptep; |
| __entry->sptep = virt_to_phys(sptep); |
| __entry->level = level; |
| __entry->r = shadow_present_mask || (__entry->spte & PT_PRESENT_MASK); |
| __entry->x = is_executable_pte(__entry->spte); |
| __entry->u = shadow_user_mask ? !!(__entry->spte & shadow_user_mask) : -1; |
| ), |
| |
| TP_printk("gfn %llx spte %llx (%s%s%s%s) level %d at %llx", |
| __entry->gfn, __entry->spte, |
| __entry->r ? "r" : "-", |
| __entry->spte & PT_WRITABLE_MASK ? "w" : "-", |
| __entry->x ? "x" : "-", |
| __entry->u == -1 ? "" : (__entry->u ? "u" : "-"), |
| __entry->level, __entry->sptep |
| ) |
| ); |
| |
| TRACE_EVENT( |
| kvm_mmu_spte_requested, |
| TP_PROTO(gpa_t addr, int level, kvm_pfn_t pfn), |
| TP_ARGS(addr, level, pfn), |
| |
| TP_STRUCT__entry( |
| __field(u64, gfn) |
| __field(u64, pfn) |
| __field(u8, level) |
| ), |
| |
| TP_fast_assign( |
| __entry->gfn = addr >> PAGE_SHIFT; |
| __entry->pfn = pfn | (__entry->gfn & (KVM_PAGES_PER_HPAGE(level) - 1)); |
| __entry->level = level; |
| ), |
| |
| TP_printk("gfn %llx pfn %llx level %d", |
| __entry->gfn, __entry->pfn, __entry->level |
| ) |
| ); |
| |
| #endif /* _TRACE_KVMMMU_H */ |
| |
| #undef TRACE_INCLUDE_PATH |
| #define TRACE_INCLUDE_PATH mmu |
| #undef TRACE_INCLUDE_FILE |
| #define TRACE_INCLUDE_FILE mmutrace |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |