kvm.h File Reference

#include <linux/tracepoint.h>
#include <trace/define_trace.h>

Go to the source code of this file.

Macros
#define	_TRACE_KVM_MAIN_H
#define	TRACE_SYSTEM   kvm
#define	ERSN(x)   { KVM_EXIT_##x, "KVM_EXIT_" #x }
#define	kvm_trace_exit_reason
#define	KVM_TRACE_MMIO_READ_UNSATISFIED   0
#define	KVM_TRACE_MMIO_READ   1
#define	KVM_TRACE_MMIO_WRITE   2
#define	kvm_trace_symbol_mmio
#define	kvm_fpu_load_symbol

Functions
	TRACE_EVENT (kvm_userspace_exit, TP_PROTO(__u32 reason, int errno), TP_ARGS(reason, errno), TP_STRUCT__entry(__field(__u32, reason) __field(int, errno)), TP_fast_assign(__entry->reason=reason;__entry->errno=errno;), TP_printk("reason %s (%d)", __entry->errno< 0?(__entry->errno==-EINTR?"restart":"error"):__print_symbolic(__entry->reason, kvm_trace_exit_reason), __entry->errno< 0?-__entry->errno:__entry->reason))
	TRACE_EVENT (kvm_mmio, TP_PROTO(int type, int len, u64 gpa, u64 val), TP_ARGS(type, len, gpa, val), TP_STRUCT__entry(__field(u32, type) __field(u32, len) __field(u64, gpa) __field(u64, val)), TP_fast_assign(__entry->type=type;__entry->len=len;__entry->gpa=gpa;__entry->val=val;), TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx", __print_symbolic(__entry->type, kvm_trace_symbol_mmio), __entry->len, __entry->gpa, __entry->val))
	TRACE_EVENT (kvm_fpu, TP_PROTO(int load), TP_ARGS(load), TP_STRUCT__entry(__field(u32, load)), TP_fast_assign(__entry->load=load;), TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol)))
	TRACE_EVENT (kvm_age_page, TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref), TP_ARGS(hva, slot, ref), TP_STRUCT__entry(__field(u64, hva) __field(u64, gfn) __field(u8, referenced)), TP_fast_assign(__entry->hva=hva;__entry->gfn=slot->base_gfn+((hva-slot->userspace_addr) >> PAGE_SHIFT);__entry->referenced=ref;), TP_printk("hva %llx gfn %llx %s", __entry->hva, __entry->gfn, __entry->referenced?"YOUNG":"OLD"))

Macro Definition Documentation

#define _TRACE_KVM_MAIN_H

Definition at line 2 of file kvm.h.

#define ERSN

(

x

)

{ KVM_EXIT_##x, "KVM_EXIT_" #x }

Definition at line 9 of file kvm.h.

#define kvm_fpu_load_symbol

Value:

{0, "unload"},      \
    {1, "load"}

Definition at line 180 of file kvm.h.

#define kvm_trace_exit_reason

Value:

ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),  \
    ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),  \
    ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
    ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
    ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),   \
    ERSN(S390_UCONTROL)

Definition at line 11 of file kvm.h.

#define KVM_TRACE_MMIO_READ   1

Definition at line 149 of file kvm.h.

#define KVM_TRACE_MMIO_READ_UNSATISFIED   0

Definition at line 148 of file kvm.h.

#define KVM_TRACE_MMIO_WRITE   2

Definition at line 150 of file kvm.h.

#define kvm_trace_symbol_mmio

Value:

{ KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
    { KVM_TRACE_MMIO_READ, "read" }, \
    { KVM_TRACE_MMIO_WRITE, "write" }

Definition at line 152 of file kvm.h.

#define TRACE_SYSTEM   kvm

Definition at line 7 of file kvm.h.

Function Documentation

TRACE_EVENT	(	kvm_userspace_exit	,
		TP_PROTO(__u32 reason, int errno)	,
		TP_ARGS(reason, errno)	,
		TP_STRUCT__entry(__field(__u32, reason) __field(int, errno))	,
		TP_fast_assign(__entry->reason=reason;__entry->errno=errno;)	,
		TP_printk("reason %s (%d)", __entry->errno< 0?(__entry->errno==-EINTR?"restart":"error"):__print_symbolic(__entry->reason, kvm_trace_exit_reason), __entry->errno< 0?-__entry->errno:__entry->reason)
	)

TRACE_EVENT	(	kvm_mmio	,
		TP_PROTO(int type, int len, u64 gpa, u64 val)	,
		TP_ARGS(type, len, gpa, val)	,
		TP_STRUCT__entry(__field(u32, type) __field(u32, len) __field(u64, gpa) __field(u64, val))	,
		TP_fast_assign(__entry->type=type;__entry->len=len;__entry->gpa=gpa;__entry->val=val;)	,
		TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx", __print_symbolic(__entry->type, kvm_trace_symbol_mmio), __entry->len, __entry->gpa, __entry->val)
	)

TRACE_EVENT	(	kvm_fpu	,
		TP_PROTO(int load)	,
		TP_ARGS(load)	,
		TP_STRUCT__entry(__field(u32, load))	,
		TP_fast_assign(__entry->load=load;)	,
		TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
	)

TRACE_EVENT	(	kvm_age_page	,
		TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref)	,
		TP_ARGS(hva, slot, ref)	,
		TP_STRUCT__entry(__field(u64, hva) __field(u64, gfn) __field(u8, referenced))	,
		TP_fast_assign(__entry->hva=hva;__entry->gfn=slot->base_gfn+((hva-slot->userspace_addr) >> PAGE_SHIFT);__entry->referenced=ref;)	,
		TP_printk("hva %llx gfn %llx %s", __entry->hva, __entry->gfn, __entry->referenced?"YOUNG":"OLD")
	)