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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/x86/kvm/mmutrace.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/x86/kvm/mmutrace.h')
-rw-r--r--arch/x86/kvm/mmutrace.h254
1 files changed, 254 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
new file mode 100644
index 00000000..89fb0e81
--- /dev/null
+++ b/arch/x86/kvm/mmutrace.h
@@ -0,0 +1,254 @@
+#if !defined(_TRACE_KVMMMU_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_KVMMMU_H
+
+#include <linux/tracepoint.h>
+#include <linux/ftrace_event.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kvmmmu
+
+#define KVM_MMU_PAGE_FIELDS \
+ __field(__u64, gfn) \
+ __field(__u32, role) \
+ __field(__u32, root_count) \
+ __field(bool, unsync)
+
+#define KVM_MMU_PAGE_ASSIGN(sp) \
+ __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 *ret = p->buffer + p->len; \
+ 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 gfn %llx %u%s q%u%s %s%s" \
+ " %snxe root %u %s%c", \
+ __entry->gfn, role.level, \
+ role.cr4_pae ? " pae" : "", \
+ role.quadrant, \
+ role.direct ? " direct" : "", \
+ access_str[role.access], \
+ role.invalid ? " invalid" : "", \
+ role.nxe ? "" : "!", \
+ __entry->root_count, \
+ __entry->unsync ? "unsync" : "sync", 0); \
+ ret; \
+ })
+
+#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, int write_fault, int user_fault, int fetch_fault),
+ TP_ARGS(addr, write_fault, user_fault, fetch_fault),
+
+ TP_STRUCT__entry(
+ __field(__u64, addr)
+ __field(__u32, pferr)
+ ),
+
+ TP_fast_assign(
+ __entry->addr = addr;
+ __entry->pferr = (!!write_fault << 1) | (!!user_fault << 2)
+ | (!!fetch_fault << 4);
+ ),
+
+ 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)
+);
+
+DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_delay_free_pages,
+ TP_PROTO(struct kvm_mmu_page *sp),
+
+ TP_ARGS(sp)
+);
+
+TRACE_EVENT(
+ mark_mmio_spte,
+ TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
+ TP_ARGS(sptep, gfn, access),
+
+ TP_STRUCT__entry(
+ __field(void *, sptep)
+ __field(gfn_t, gfn)
+ __field(unsigned, access)
+ ),
+
+ TP_fast_assign(
+ __entry->sptep = sptep;
+ __entry->gfn = gfn;
+ __entry->access = access;
+ ),
+
+ TP_printk("sptep:%p gfn %llx access %x", __entry->sptep, __entry->gfn,
+ __entry->access)
+);
+
+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)
+);
+#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>