arch/x86/kvm/trace.h - kernel/prism - Git at Google

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

 #include <linux/tracepoint.h>

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
 #define TRACE_INCLUDE_PATH arch/x86/kvm
 #define TRACE_INCLUDE_FILE trace

 /*
  * 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 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)
 #define trace_kvm_apic_write(reg, val)		trace_kvm_apic(1, reg, val)

 /*
  * Tracepoint for kvm guest exit:
  */
 TRACE_EVENT(kvm_exit,
 	TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
 	TP_ARGS(exit_reason, guest_rip),

 	TP_STRUCT__entry(
 		__field(	unsigned int,	exit_reason	)
 		__field(	unsigned long,	guest_rip	)
 	),

 	TP_fast_assign(
 		__entry->exit_reason	= exit_reason;
 		__entry->guest_rip	= guest_rip;
 	),

 	TP_printk("reason %s rip 0x%lx",
 		 ftrace_print_symbols_seq(p, __entry->exit_reason,
 					  kvm_x86_ops->exit_reasons_str),
 		 __entry->guest_rip)
 );

 /*
  * Tracepoint for kvm interrupt injection:
  */
 TRACE_EVENT(kvm_inj_virq,
 	TP_PROTO(unsigned int irq),
 	TP_ARGS(irq),

 	TP_STRUCT__entry(
 		__field(	unsigned int,	irq		)
 	),

 	TP_fast_assign(
 		__entry->irq		= irq;
 	),

 	TP_printk("irq %u", __entry->irq)
 );

 /*
  * Tracepoint for page fault.
  */
 TRACE_EVENT(kvm_page_fault,
 	TP_PROTO(unsigned long fault_address, unsigned int error_code),
 	TP_ARGS(fault_address, error_code),

 	TP_STRUCT__entry(
 		__field(	unsigned long,	fault_address	)
 		__field(	unsigned int,	error_code	)
 	),

 	TP_fast_assign(
 		__entry->fault_address	= fault_address;
 		__entry->error_code	= error_code;
 	),

 	TP_printk("address %lx error_code %x",
 		  __entry->fault_address, __entry->error_code)
 );

 /*
  * Tracepoint for guest MSR access.
  */
 TRACE_EVENT(kvm_msr,
 	TP_PROTO(unsigned int rw, unsigned int ecx, unsigned long data),
 	TP_ARGS(rw, ecx, data),

 	TP_STRUCT__entry(
 		__field(	unsigned int,	rw		)
 		__field(	unsigned int,	ecx		)
 		__field(	unsigned long,	data		)
 	),

 	TP_fast_assign(
 		__entry->rw		= rw;
 		__entry->ecx		= ecx;
 		__entry->data		= data;
 	),

 	TP_printk("msr_%s %x = 0x%lx",
 		  __entry->rw ? "write" : "read",
 		  __entry->ecx, __entry->data)
 );

 #define trace_kvm_msr_read(ecx, data)		trace_kvm_msr(0, ecx, data)
 #define trace_kvm_msr_write(ecx, data)		trace_kvm_msr(1, ecx, data)

 /*
  * Tracepoint for guest CR access.
  */
 TRACE_EVENT(kvm_cr,
 	TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
 	TP_ARGS(rw, cr, val),

 	TP_STRUCT__entry(
 		__field(	unsigned int,	rw		)
 		__field(	unsigned int,	cr		)
 		__field(	unsigned long,	val		)
 	),

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

 	TP_printk("cr_%s %x = 0x%lx",
 		  __entry->rw ? "write" : "read",
 		  __entry->cr, __entry->val)
 );

 #define trace_kvm_cr_read(cr, val)		trace_kvm_cr(0, cr, val)
 #define trace_kvm_cr_write(cr, val)		trace_kvm_cr(1, cr, val)

 TRACE_EVENT(kvm_pic_set_irq,
 	    TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
 	    TP_ARGS(chip, pin, elcr, imr, coalesced),

 	TP_STRUCT__entry(
 		__field(	__u8,		chip		)
 		__field(	__u8,		pin		)
 		__field(	__u8,		elcr		)
 		__field(	__u8,		imr		)
 		__field(	bool,		coalesced	)
 	),

 	TP_fast_assign(
 		__entry->chip		= chip;
 		__entry->pin		= pin;
 		__entry->elcr		= elcr;
 		__entry->imr		= imr;
 		__entry->coalesced	= coalesced;
 	),

 	TP_printk("chip %u pin %u (%s%s)%s",
 		  __entry->chip, __entry->pin,
 		  (__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
 		  (__entry->imr & (1 << __entry->pin)) ? "|masked":"",
 		  __entry->coalesced ? " (coalesced)" : "")
 );

 #define kvm_apic_dst_shorthand		\
 	{0x0, "dst"},			\
 	{0x1, "self"},			\
 	{0x2, "all"},			\
 	{0x3, "all-but-self"}

 TRACE_EVENT(kvm_apic_ipi,
 	    TP_PROTO(__u32 icr_low, __u32 dest_id),
 	    TP_ARGS(icr_low, dest_id),

 	TP_STRUCT__entry(
 		__field(	__u32,		icr_low		)
 		__field(	__u32,		dest_id		)
 	),

 	TP_fast_assign(
 		__entry->icr_low	= icr_low;
 		__entry->dest_id	= dest_id;
 	),

 	TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
 		  __entry->dest_id, (u8)__entry->icr_low,
 		  __print_symbolic((__entry->icr_low >> 8 & 0x7),
 				   kvm_deliver_mode),
 		  (__entry->icr_low & (1<<11)) ? "logical" : "physical",
 		  (__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
 		  (__entry->icr_low & (1<<15)) ? "level" : "edge",
 		  __print_symbolic((__entry->icr_low >> 18 & 0x3),
 				   kvm_apic_dst_shorthand))
 );

 TRACE_EVENT(kvm_apic_accept_irq,
 	    TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
 	    TP_ARGS(apicid, dm, tm, vec, coalesced),

 	TP_STRUCT__entry(
 		__field(	__u32,		apicid		)
 		__field(	__u16,		dm		)
 		__field(	__u8,		tm		)
 		__field(	__u8,		vec		)
 		__field(	bool,		coalesced	)
 	),

 	TP_fast_assign(
 		__entry->apicid		= apicid;
 		__entry->dm		= dm;
 		__entry->tm		= tm;
 		__entry->vec		= vec;
 		__entry->coalesced	= coalesced;
 	),

 	TP_printk("apicid %x vec %u (%s|%s)%s",
 		  __entry->apicid, __entry->vec,
 		  __print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
 		  __entry->tm ? "level" : "edge",
 		  __entry->coalesced ? " (coalesced)" : "")
 );

 #endif /* _TRACE_KVM_H */

 /* This part must be outside protection */
 #include <trace/define_trace.h>
	#if !defined(_TRACE_KVM_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	#define _TRACE_KVM_H

	#include <linux/tracepoint.h>

	#undef TRACE_SYSTEM
	#define TRACE_SYSTEM kvm
	#define TRACE_INCLUDE_PATH arch/x86/kvm
	#define TRACE_INCLUDE_FILE trace

	/*
	* 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 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)
	#define trace_kvm_apic_write(reg, val) trace_kvm_apic(1, reg, val)

	/*
	* Tracepoint for kvm guest exit:
	*/
	TRACE_EVENT(kvm_exit,
	TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
	TP_ARGS(exit_reason, guest_rip),

	TP_STRUCT__entry(
	__field( unsigned int, exit_reason )
	__field( unsigned long, guest_rip )
	),

	TP_fast_assign(
	__entry->exit_reason = exit_reason;
	__entry->guest_rip = guest_rip;
	),

	TP_printk("reason %s rip 0x%lx",
	ftrace_print_symbols_seq(p, __entry->exit_reason,
	kvm_x86_ops->exit_reasons_str),
	__entry->guest_rip)
	);

	/*
	* Tracepoint for kvm interrupt injection:
	*/
	TRACE_EVENT(kvm_inj_virq,
	TP_PROTO(unsigned int irq),
	TP_ARGS(irq),

	TP_STRUCT__entry(
	__field( unsigned int, irq )
	),

	TP_fast_assign(
	__entry->irq = irq;
	),

	TP_printk("irq %u", __entry->irq)
	);

	/*
	* Tracepoint for page fault.
	*/
	TRACE_EVENT(kvm_page_fault,
	TP_PROTO(unsigned long fault_address, unsigned int error_code),
	TP_ARGS(fault_address, error_code),

	TP_STRUCT__entry(
	__field( unsigned long, fault_address )
	__field( unsigned int, error_code )
	),

	TP_fast_assign(
	__entry->fault_address = fault_address;
	__entry->error_code = error_code;
	),

	TP_printk("address %lx error_code %x",
	__entry->fault_address, __entry->error_code)
	);

	/*
	* Tracepoint for guest MSR access.
	*/
	TRACE_EVENT(kvm_msr,
	TP_PROTO(unsigned int rw, unsigned int ecx, unsigned long data),
	TP_ARGS(rw, ecx, data),

	TP_STRUCT__entry(
	__field( unsigned int, rw )
	__field( unsigned int, ecx )
	__field( unsigned long, data )
	),

	TP_fast_assign(
	__entry->rw = rw;
	__entry->ecx = ecx;
	__entry->data = data;
	),

	TP_printk("msr_%s %x = 0x%lx",
	__entry->rw ? "write" : "read",
	__entry->ecx, __entry->data)
	);

	#define trace_kvm_msr_read(ecx, data) trace_kvm_msr(0, ecx, data)
	#define trace_kvm_msr_write(ecx, data) trace_kvm_msr(1, ecx, data)

	/*
	* Tracepoint for guest CR access.
	*/
	TRACE_EVENT(kvm_cr,
	TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
	TP_ARGS(rw, cr, val),

	TP_STRUCT__entry(
	__field( unsigned int, rw )
	__field( unsigned int, cr )
	__field( unsigned long, val )
	),

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

	TP_printk("cr_%s %x = 0x%lx",
	__entry->rw ? "write" : "read",
	__entry->cr, __entry->val)
	);

	#define trace_kvm_cr_read(cr, val) trace_kvm_cr(0, cr, val)
	#define trace_kvm_cr_write(cr, val) trace_kvm_cr(1, cr, val)

	TRACE_EVENT(kvm_pic_set_irq,
	TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
	TP_ARGS(chip, pin, elcr, imr, coalesced),

	TP_STRUCT__entry(
	__field( __u8, chip )
	__field( __u8, pin )
	__field( __u8, elcr )
	__field( __u8, imr )
	__field( bool, coalesced )
	),

	TP_fast_assign(
	__entry->chip = chip;
	__entry->pin = pin;
	__entry->elcr = elcr;
	__entry->imr = imr;
	__entry->coalesced = coalesced;
	),

	TP_printk("chip %u pin %u (%s%s)%s",
	__entry->chip, __entry->pin,
	(__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
	(__entry->imr & (1 << __entry->pin)) ? "\|masked":"",
	__entry->coalesced ? " (coalesced)" : "")
	);

	#define kvm_apic_dst_shorthand \
	{0x0, "dst"}, \
	{0x1, "self"}, \
	{0x2, "all"}, \
	{0x3, "all-but-self"}

	TRACE_EVENT(kvm_apic_ipi,
	TP_PROTO(__u32 icr_low, __u32 dest_id),
	TP_ARGS(icr_low, dest_id),

	TP_STRUCT__entry(
	__field( __u32, icr_low )
	__field( __u32, dest_id )
	),

	TP_fast_assign(
	__entry->icr_low = icr_low;
	__entry->dest_id = dest_id;
	),

	TP_printk("dst %x vec %u (%s\|%s\|%s\|%s\|%s)",
	__entry->dest_id, (u8)__entry->icr_low,
	__print_symbolic((__entry->icr_low >> 8 & 0x7),
	kvm_deliver_mode),
	(__entry->icr_low & (1<<11)) ? "logical" : "physical",
	(__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
	(__entry->icr_low & (1<<15)) ? "level" : "edge",
	__print_symbolic((__entry->icr_low >> 18 & 0x3),
	kvm_apic_dst_shorthand))
	);

	TRACE_EVENT(kvm_apic_accept_irq,
	TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
	TP_ARGS(apicid, dm, tm, vec, coalesced),

	TP_STRUCT__entry(
	__field( __u32, apicid )
	__field( __u16, dm )
	__field( __u8, tm )
	__field( __u8, vec )
	__field( bool, coalesced )
	),

	TP_fast_assign(
	__entry->apicid = apicid;
	__entry->dm = dm;
	__entry->tm = tm;
	__entry->vec = vec;
	__entry->coalesced = coalesced;
	),

	TP_printk("apicid %x vec %u (%s\|%s)%s",
	__entry->apicid, __entry->vec,
	__print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
	__entry->tm ? "level" : "edge",
	__entry->coalesced ? " (coalesced)" : "")
	);

	#endif /* _TRACE_KVM_H */

	/* This part must be outside protection */
	#include <trace/define_trace.h>