path: root/arch/x86/kvm/trace.h

#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H

#include <linux/tracepoint.h>
#include <asm/vmx.h>
#include <asm/svm.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm

/*
 * Tracepoint for guest mode entry.
 */
TRACE_EVENT(kvm_entry,
	TP_PROTO(unsigned int vcpu_id),
	TP_ARGS(vcpu_id),

	TP_STRUCT__entry(
		__field(	unsigned int,	vcpu_id		)
	),

	TP_fast_assign(
		__entry->vcpu_id	= vcpu_id;
	),

	TP_printk("vcpu %u", __entry->vcpu_id)
);

/*
 * Tracepoint for hypercall.
 */
TRACE_EVENT(kvm_hypercall,
	TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
		 unsigned long a2, unsigned long a3),
	TP_ARGS(nr, a0, a1, a2, a3),

	TP_STRUCT__entry(
		__field(	unsigned long, 	nr		)
		__field(	unsigned long,	a0		)
		__field(	unsigned long,	a1		)
		__field(	unsigned long,	a2		)
		__field(	unsigned long,	a3		)
	),

	TP_fast_assign(
		__entry->nr		= nr;
		__entry->a0		= a0;
		__entry->a1		= a1;
		__entry->a2		= a2;
		__entry->a3		= a3;
	),

	TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
		 __entry->nr, __entry->a0, __entry->a1,  __entry->a2,
		 __entry->a3)
);

/*
 * Tracepoint for hypercall.
 */
TRACE_EVENT(kvm_hv_hypercall,
	TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
		 __u64 ingpa, __u64 outgpa),
	TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),

	TP_STRUCT__entry(
		__field(	__u16,		rep_cnt		)
		__field(	__u16,		rep_idx		)
		__field(	__u64,		ingpa		)
		__field(	__u64,		outgpa		)
		__field(	__u16, 		code		)
		__field(	bool,		fast		)
	),

	TP_fast_assign(
		__entry->rep_cnt	= rep_cnt;
		__entry->rep_idx	= rep_idx;
		__entry->ingpa		= ingpa;
		__entry->outgpa		= outgpa;
		__entry->code		= code;
		__entry->fast		= fast;
	),

	TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
		  __entry->code, __entry->fast ? "fast" : "slow",
		  __entry->rep_cnt, __entry->rep_idx,  __entry->ingpa,
		  __entry->outgpa)
);

/*
 * Tracepoint for PIO.
 */
TRACE_EVENT(kvm_pio,
	TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
		 unsigned int count),
	TP_ARGS(rw, port, size, count),

	TP_STRUCT__entry(
		__field(	unsigned int, 	rw		)
		__field(	unsigned int, 	port		)
		__field(	unsigned int, 	size		)
		__field(	unsigned int,	count		)
	),

	TP_fast_assign(
		__entry->rw		= rw;
		__entry->port		= port;
		__entry->size		= size;
		__entry->count		= count;
	),

	TP_printk("pio_%s at 0x%x size %d count %d",
		  __entry->rw ? "write" : "read",
		  __entry->port, __entry->size, __entry->count)
);

/*
 * Tracepoint for cpuid.
 */
TRACE_EVENT(kvm_cpuid,
	TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
		 unsigned long rcx, unsigned long rdx),
	TP_ARGS(function, rax, rbx, rcx, rdx),

	TP_STRUCT__entry(
		__field(	unsigned int,	function	)
		__field(	unsigned long,	rax		)
		__field(	unsigned long,	rbx		)
		__field(	unsigned long,	rcx		)
		__field(	unsigned long,	rdx		)
	),

	TP_fast_assign(
		__entry->function	= function;
		__entry->rax		= rax;
		__entry->rbx		= rbx;
		__entry->rcx		= rcx;
		__entry->rdx		= rdx;
	),

	TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
		  __entry->function, __entry->rax,
		  __entry->rbx, __entry->rcx, __entry->rdx)
);

#define AREG(x) { APIC_##x, "APIC_" #x }

#define kvm_trace_symbol_apic						    \
	AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI),    \
	AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR),  \
	AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
	AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR),   \
	AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT),  \
	AREG(ECTRL)
/*
 * Tracepoint for apic access.
 */
TRACE_EVENT(kvm_apic,
	TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
	TP_ARGS(rw, reg, val),

	TP_STRUCT__entry(
		__field(	unsigned int,	rw		)
		__field(	unsigned int,	reg		)
		__field(	unsigned int,	val		)
	),

	TP_fast_assign(
		__entry->rw		= rw;
		__entry->reg		= reg;
		__entry->val		= val;
	),

	TP_printk("apic_%s %s = 0x%x",
		  __entry->rw ? "write" : "read",
		  __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
		  __entry->val)
);

#define trace_kvm_apic_read(reg, val)		trace_kvm_apic(0, reg, val)