diff options
Diffstat (limited to 'arch/x86/kvm/mmutrace.h')
| -rw-r--r-- | arch/x86/kvm/mmutrace.h | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h deleted file mode 100644 index ffcd96fc02d0..000000000000 --- a/arch/x86/kvm/mmutrace.h +++ /dev/null @@ -1,395 +0,0 @@ -/* 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 . -#undef TRACE_INCLUDE_FILE -#define TRACE_INCLUDE_FILE mmutrace - -/* This part must be outside protection */ -#include <trace/define_trace.h> |