--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+#if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_KVM_MMU_H
+
+#include <lttng/tracepoint-event.h>
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
+#include <linux/trace_events.h>
+#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
+#include <linux/ftrace_event.h>
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kvm_mmu
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0) || \
+ LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0))
+
+#define LTTNG_KVM_MMU_PAGE_FIELDS \
+ ctf_integer(__u64, gfn, (sp)->gfn) \
+ ctf_integer(__u32, role, (sp)->role.word) \
+ ctf_integer(__u32, root_count, (sp)->root_count) \
+ ctf_integer(bool, unsync, (sp)->unsync)
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
+
+#define LTTNG_KVM_MMU_PAGE_FIELDS \
+ ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
+ ctf_integer(__u64, gfn, (sp)->gfn) \
+ ctf_integer(__u32, role, (sp)->role.word) \
+ ctf_integer(__u32, root_count, (sp)->root_count) \
+ ctf_integer(bool, unsync, (sp)->unsync)
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
+#define LTTNG_KVM_MMU_PAGE_FIELDS \
+ ctf_integer(__u64, gfn, (sp)->gfn) \
+ ctf_integer(__u32, role, (sp)->role.word) \
+ ctf_integer(__u32, root_count, (sp)->root_count) \
+ ctf_integer(bool, unsync, (sp)->unsync)
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
+/*
+ * A pagetable walk has started
+ */
+LTTNG_TRACEPOINT_EVENT(
+ kvm_mmu_pagetable_walk,
+ TP_PROTO(u64 addr, u32 pferr),
+ TP_ARGS(addr, pferr),
+
+ TP_FIELDS(
+ ctf_integer_hex(__u64, addr, addr)
+ ctf_integer(__u32, pferr, pferr)
+ )
+)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
+/*
+ * A pagetable walk has started
+ */
+LTTNG_TRACEPOINT_EVENT(
+ kvm_mmu_pagetable_walk,
+ TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault),
+ TP_ARGS(addr, write_fault, user_fault, fetch_fault),
+
+ TP_FIELDS(
+ ctf_integer_hex(__u64, addr, addr)
+ ctf_integer(__u32, pferr,
+ (!!write_fault << 1) | (!!user_fault << 2)
+ | (!!fetch_fault << 4))
+ )
+)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
+
+/* We just walked a paging element */
+LTTNG_TRACEPOINT_EVENT(
+ kvm_mmu_paging_element,
+ TP_PROTO(u64 pte, int level),
+ TP_ARGS(pte, level),
+
+ TP_FIELDS(
+ ctf_integer(__u64, pte, pte)
+ ctf_integer(__u32, level, level)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
+
+ TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
+
+ TP_ARGS(table_gfn, index, size),
+
+ TP_FIELDS(
+ ctf_integer(__u64, gpa,
+ ((u64)table_gfn << PAGE_SHIFT) + index * size)
+ )
+)
+
+/* We set a pte accessed bit */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(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 */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(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)
+)
+
+LTTNG_TRACEPOINT_EVENT(
+ kvm_mmu_walker_error,
+ TP_PROTO(u32 pferr),
+ TP_ARGS(pferr),
+
+ TP_FIELDS(
+ ctf_integer(__u32, pferr, pferr)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT(
+ kvm_mmu_get_page,
+ TP_PROTO(struct kvm_mmu_page *sp, bool created),
+ TP_ARGS(sp, created),
+
+ TP_FIELDS(
+ LTTNG_KVM_MMU_PAGE_FIELDS
+ ctf_integer(bool, created, created)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
+
+ TP_PROTO(struct kvm_mmu_page *sp),
+ TP_ARGS(sp),
+
+ TP_FIELDS(
+ LTTNG_KVM_MMU_PAGE_FIELDS
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
+ TP_PROTO(struct kvm_mmu_page *sp),
+
+ TP_ARGS(sp)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
+ TP_PROTO(struct kvm_mmu_page *sp),
+
+ TP_ARGS(sp)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
+ TP_PROTO(struct kvm_mmu_page *sp),
+
+ TP_ARGS(sp)
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
+
+LTTNG_TRACEPOINT_EVENT_MAP(
+ mark_mmio_spte,
+
+ kvm_mmu_mark_mmio_spte,
+
+ TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
+ TP_ARGS(sptep, gfn, access, gen),
+
+ TP_FIELDS(
+ ctf_integer_hex(void *, sptep, sptep)
+ ctf_integer(gfn_t, gfn, gfn)
+ ctf_integer(unsigned, access, access)
+ ctf_integer(unsigned int, gen, gen)
+ )
+)
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
+LTTNG_TRACEPOINT_EVENT_MAP(
+ mark_mmio_spte,
+
+ kvm_mmu_mark_mmio_spte,
+
+ TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
+ TP_ARGS(sptep, gfn, access),
+
+ TP_FIELDS(
+ ctf_integer_hex(void *, sptep, sptep)
+ ctf_integer(gfn_t, gfn, gfn)
+ ctf_integer(unsigned, access, access)
+ )
+)
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
+LTTNG_TRACEPOINT_EVENT_MAP(
+ handle_mmio_page_fault,
+
+ kvm_mmu_handle_mmio_page_fault,
+
+ TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
+ TP_ARGS(addr, gfn, access),
+
+ TP_FIELDS(
+ ctf_integer_hex(u64, addr, addr)
+ ctf_integer(gfn_t, gfn, gfn)
+ ctf_integer(unsigned, access, access)
+ )
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) || \
+ LTTNG_KERNEL_RANGE(4,19,103, 4,20,0) || \
+ LTTNG_KERNEL_RANGE(5,4,19, 5,5,0) || \
+ LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \
+ LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,92, 4,16,0,0) || \
+ LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,43, 5,3,18,45) || \
+ LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,46, 5,4,0,0))
+LTTNG_TRACEPOINT_EVENT_MAP(
+ fast_page_fault,
+
+ kvm_mmu_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_FIELDS(
+ ctf_integer(int, vcpu_id, vcpu->vcpu_id)
+ ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
+ ctf_integer(u32, error_code, error_code)
+ ctf_integer_hex(u64 *, sptep, sptep)
+ ctf_integer(u64, old_spte, old_spte)
+ ctf_integer(u64, new_spte, *sptep)
+ ctf_integer(bool, retry, retry)
+ )
+)
+#else
+LTTNG_TRACEPOINT_EVENT_MAP(
+ fast_page_fault,
+
+ kvm_mmu_fast_page_fault,
+
+ TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
+ u64 *sptep, u64 old_spte, bool retry),
+ TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry),
+
+ TP_FIELDS(
+ ctf_integer(int, vcpu_id, vcpu->vcpu_id)
+ ctf_integer(gva_t, gva, gva)
+ ctf_integer(u32, error_code, error_code)
+ ctf_integer_hex(u64 *, sptep, sptep)
+ ctf_integer(u64, old_spte, old_spte)
+ ctf_integer(u64, new_spte, *sptep)
+ ctf_integer(bool, retry, retry)
+ )
+)
+#endif
+
+#endif /* LTTNG_TRACE_KVM_MMU_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH instrumentation/events/arch/x86/kvm
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE mmutrace
+
+/* This part must be outside protection */
+#include <lttng/define_trace.h>
projects / lttng-modules.git / blobdiff