[lttng-dev] [PATCH lttng-modules 1/2] Added mainline headers for kvm x86 tracepoints.

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Mon Jul 8 12:53:43 EDT 2013


merged, thanks!

* Mohamad Gebai (mohamad.gebai at gmail.com) wrote:
> Signed-off-by: Mohamad Gebai <mohamad.gebai at polymtl.ca>
> ---
>  .../events/mainline/arch/x86/kvm/mmutrace.h        |  285 +++++++
>  .../events/mainline/arch/x86/kvm/trace.h           |  828 ++++++++++++++++++++
>  2 files changed, 1113 insertions(+)
>  create mode 100644 instrumentation/events/mainline/arch/x86/kvm/mmutrace.h
>  create mode 100644 instrumentation/events/mainline/arch/x86/kvm/trace.h
> 
> diff --git a/instrumentation/events/mainline/arch/x86/kvm/mmutrace.h b/instrumentation/events/mainline/arch/x86/kvm/mmutrace.h
> new file mode 100644
> index 0000000..b8f6172
> --- /dev/null
> +++ b/instrumentation/events/mainline/arch/x86/kvm/mmutrace.h
> @@ -0,0 +1,285 @@
> +#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, u32 pferr),
> +	TP_ARGS(addr, pferr),
> +
> +	TP_STRUCT__entry(
> +		__field(__u64, addr)
> +		__field(__u32, pferr)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->addr = addr;
> +		__entry->pferr = pferr;
> +	),
> +
> +	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)
> +);
> +
> +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)
> +);
> +
> +#define __spte_satisfied(__spte)				\
> +	(__entry->retry && is_writable_pte(__entry->__spte))
> +
> +TRACE_EVENT(
> +	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_STRUCT__entry(
> +		__field(int, vcpu_id)
> +		__field(gva_t, gva)
> +		__field(u32, error_code)
> +		__field(u64 *, sptep)
> +		__field(u64, old_spte)
> +		__field(u64, new_spte)
> +		__field(bool, retry)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->vcpu_id = vcpu->vcpu_id;
> +		__entry->gva = gva;
> +		__entry->error_code = error_code;
> +		__entry->sptep = sptep;
> +		__entry->old_spte = old_spte;
> +		__entry->new_spte = *sptep;
> +		__entry->retry = retry;
> +	),
> +
> +	TP_printk("vcpu %d gva %lx error_code %s sptep %p old %#llx"
> +		  " new %llx spurious %d fixed %d", __entry->vcpu_id,
> +		  __entry->gva, __print_flags(__entry->error_code, "|",
> +		  kvm_mmu_trace_pferr_flags), __entry->sptep,
> +		  __entry->old_spte, __entry->new_spte,
> +		  __spte_satisfied(old_spte), __spte_satisfied(new_spte)
> +	)
> +);
> +#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>
> diff --git a/instrumentation/events/mainline/arch/x86/kvm/trace.h b/instrumentation/events/mainline/arch/x86/kvm/trace.h
> new file mode 100644
> index 0000000..fe5e00e
> --- /dev/null
> +++ b/instrumentation/events/mainline/arch/x86/kvm/trace.h
> @@ -0,0 +1,828 @@
> +#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>
> +#include <asm/clocksource.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)
> +#define trace_kvm_apic_write(reg, val)		trace_kvm_apic(1, reg, val)
> +
> +#define KVM_ISA_VMX   1
> +#define KVM_ISA_SVM   2
> +
> +/*
> + * Tracepoint for kvm guest exit:
> + */
> +TRACE_EVENT(kvm_exit,
> +	TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
> +	TP_ARGS(exit_reason, vcpu, isa),
> +
> +	TP_STRUCT__entry(
> +		__field(	unsigned int,	exit_reason	)
> +		__field(	unsigned long,	guest_rip	)
> +		__field(	u32,	        isa             )
> +		__field(	u64,	        info1           )
> +		__field(	u64,	        info2           )
> +	),
> +
> +	TP_fast_assign(
> +		__entry->exit_reason	= exit_reason;
> +		__entry->guest_rip	= kvm_rip_read(vcpu);
> +		__entry->isa            = isa;
> +		kvm_x86_ops->get_exit_info(vcpu, &__entry->info1,
> +					   &__entry->info2);
> +	),
> +
> +	TP_printk("reason %s rip 0x%lx info %llx %llx",
> +		 (__entry->isa == KVM_ISA_VMX) ?
> +		 __print_symbolic(__entry->exit_reason, VMX_EXIT_REASONS) :
> +		 __print_symbolic(__entry->exit_reason, SVM_EXIT_REASONS),
> +		 __entry->guest_rip, __entry->info1, __entry->info2)
> +);
> +
> +/*
> + * 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)
> +);
> +
> +#define EXS(x) { x##_VECTOR, "#" #x }
> +
> +#define kvm_trace_sym_exc						\
> +	EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM),	\
> +	EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF),		\
> +	EXS(MF), EXS(MC)
> +
> +/*
> + * Tracepoint for kvm interrupt injection:
> + */
> +TRACE_EVENT(kvm_inj_exception,
> +	TP_PROTO(unsigned exception, bool has_error, unsigned error_code),
> +	TP_ARGS(exception, has_error, error_code),
> +
> +	TP_STRUCT__entry(
> +		__field(	u8,	exception	)
> +		__field(	u8,	has_error	)
> +		__field(	u32,	error_code	)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->exception	= exception;
> +		__entry->has_error	= has_error;
> +		__entry->error_code	= error_code;
> +	),
> +
> +	TP_printk("%s (0x%x)",
> +		  __print_symbolic(__entry->exception, kvm_trace_sym_exc),
> +		  /* FIXME: don't print error_code if not present */
> +		  __entry->has_error ? __entry->error_code : 0)
> +);
> +
> +/*
> + * 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 write, u32 ecx, u64 data, bool exception),
> +	TP_ARGS(write, ecx, data, exception),
> +
> +	TP_STRUCT__entry(
> +		__field(	unsigned,	write		)
> +		__field(	u32,		ecx		)
> +		__field(	u64,		data		)
> +		__field(	u8,		exception	)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->write		= write;
> +		__entry->ecx		= ecx;
> +		__entry->data		= data;
> +		__entry->exception	= exception;
> +	),
> +
> +	TP_printk("msr_%s %x = 0x%llx%s",
> +		  __entry->write ? "write" : "read",
> +		  __entry->ecx, __entry->data,
> +		  __entry->exception ? " (#GP)" : "")
> +);
> +
> +#define trace_kvm_msr_read(ecx, data)      trace_kvm_msr(0, ecx, data, false)
> +#define trace_kvm_msr_write(ecx, data)     trace_kvm_msr(1, ecx, data, false)
> +#define trace_kvm_msr_read_ex(ecx)         trace_kvm_msr(0, ecx, 0, true)
> +#define trace_kvm_msr_write_ex(ecx, data)  trace_kvm_msr(1, ecx, data, true)
> +
> +/*
> + * 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)" : "")
> +);
> +
> +TRACE_EVENT(kvm_eoi,
> +	    TP_PROTO(struct kvm_lapic *apic, int vector),
> +	    TP_ARGS(apic, vector),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u32,		apicid		)
> +		__field(	int,		vector		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->apicid		= apic->vcpu->vcpu_id;
> +		__entry->vector		= vector;
> +	),
> +
> +	TP_printk("apicid %x vector %d", __entry->apicid, __entry->vector)
> +);
> +
> +TRACE_EVENT(kvm_pv_eoi,
> +	    TP_PROTO(struct kvm_lapic *apic, int vector),
> +	    TP_ARGS(apic, vector),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u32,		apicid		)
> +		__field(	int,		vector		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->apicid		= apic->vcpu->vcpu_id;
> +		__entry->vector		= vector;
> +	),
> +
> +	TP_printk("apicid %x vector %d", __entry->apicid, __entry->vector)
> +);
> +
> +/*
> + * Tracepoint for nested VMRUN
> + */
> +TRACE_EVENT(kvm_nested_vmrun,
> +	    TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl,
> +		     __u32 event_inj, bool npt),
> +	    TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u64,		rip		)
> +		__field(	__u64,		vmcb		)
> +		__field(	__u64,		nested_rip	)
> +		__field(	__u32,		int_ctl		)
> +		__field(	__u32,		event_inj	)
> +		__field(	bool,		npt		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->rip		= rip;
> +		__entry->vmcb		= vmcb;
> +		__entry->nested_rip	= nested_rip;
> +		__entry->int_ctl	= int_ctl;
> +		__entry->event_inj	= event_inj;
> +		__entry->npt		= npt;
> +	),
> +
> +	TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
> +		  "event_inj: 0x%08x npt: %s",
> +		__entry->rip, __entry->vmcb, __entry->nested_rip,
> +		__entry->int_ctl, __entry->event_inj,
> +		__entry->npt ? "on" : "off")
> +);
> +
> +TRACE_EVENT(kvm_nested_intercepts,
> +	    TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept),
> +	    TP_ARGS(cr_read, cr_write, exceptions, intercept),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u16,		cr_read		)
> +		__field(	__u16,		cr_write	)
> +		__field(	__u32,		exceptions	)
> +		__field(	__u64,		intercept	)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->cr_read	= cr_read;
> +		__entry->cr_write	= cr_write;
> +		__entry->exceptions	= exceptions;
> +		__entry->intercept	= intercept;
> +	),
> +
> +	TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx",
> +		__entry->cr_read, __entry->cr_write, __entry->exceptions,
> +		__entry->intercept)
> +);
> +/*
> + * Tracepoint for #VMEXIT while nested
> + */
> +TRACE_EVENT(kvm_nested_vmexit,
> +	    TP_PROTO(__u64 rip, __u32 exit_code,
> +		     __u64 exit_info1, __u64 exit_info2,
> +		     __u32 exit_int_info, __u32 exit_int_info_err, __u32 isa),
> +	    TP_ARGS(rip, exit_code, exit_info1, exit_info2,
> +		    exit_int_info, exit_int_info_err, isa),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u64,		rip			)
> +		__field(	__u32,		exit_code		)
> +		__field(	__u64,		exit_info1		)
> +		__field(	__u64,		exit_info2		)
> +		__field(	__u32,		exit_int_info		)
> +		__field(	__u32,		exit_int_info_err	)
> +		__field(	__u32,		isa			)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->rip			= rip;
> +		__entry->exit_code		= exit_code;
> +		__entry->exit_info1		= exit_info1;
> +		__entry->exit_info2		= exit_info2;
> +		__entry->exit_int_info		= exit_int_info;
> +		__entry->exit_int_info_err	= exit_int_info_err;
> +		__entry->isa			= isa;
> +	),
> +	TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
> +		  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
> +		  __entry->rip,
> +		 (__entry->isa == KVM_ISA_VMX) ?
> +		 __print_symbolic(__entry->exit_code, VMX_EXIT_REASONS) :
> +		 __print_symbolic(__entry->exit_code, SVM_EXIT_REASONS),
> +		  __entry->exit_info1, __entry->exit_info2,
> +		  __entry->exit_int_info, __entry->exit_int_info_err)
> +);
> +
> +/*
> + * Tracepoint for #VMEXIT reinjected to the guest
> + */
> +TRACE_EVENT(kvm_nested_vmexit_inject,
> +	    TP_PROTO(__u32 exit_code,
> +		     __u64 exit_info1, __u64 exit_info2,
> +		     __u32 exit_int_info, __u32 exit_int_info_err, __u32 isa),
> +	    TP_ARGS(exit_code, exit_info1, exit_info2,
> +		    exit_int_info, exit_int_info_err, isa),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u32,		exit_code		)
> +		__field(	__u64,		exit_info1		)
> +		__field(	__u64,		exit_info2		)
> +		__field(	__u32,		exit_int_info		)
> +		__field(	__u32,		exit_int_info_err	)
> +		__field(	__u32,		isa			)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->exit_code		= exit_code;
> +		__entry->exit_info1		= exit_info1;
> +		__entry->exit_info2		= exit_info2;
> +		__entry->exit_int_info		= exit_int_info;
> +		__entry->exit_int_info_err	= exit_int_info_err;
> +		__entry->isa			= isa;
> +	),
> +
> +	TP_printk("reason: %s ext_inf1: 0x%016llx "
> +		  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
> +		 (__entry->isa == KVM_ISA_VMX) ?
> +		 __print_symbolic(__entry->exit_code, VMX_EXIT_REASONS) :
> +		 __print_symbolic(__entry->exit_code, SVM_EXIT_REASONS),
> +		__entry->exit_info1, __entry->exit_info2,
> +		__entry->exit_int_info, __entry->exit_int_info_err)
> +);
> +
> +/*
> + * Tracepoint for nested #vmexit because of interrupt pending
> + */
> +TRACE_EVENT(kvm_nested_intr_vmexit,
> +	    TP_PROTO(__u64 rip),
> +	    TP_ARGS(rip),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u64,	rip	)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->rip	=	rip
> +	),
> +
> +	TP_printk("rip: 0x%016llx", __entry->rip)
> +);
> +
> +/*
> + * Tracepoint for nested #vmexit because of interrupt pending
> + */
> +TRACE_EVENT(kvm_invlpga,
> +	    TP_PROTO(__u64 rip, int asid, u64 address),
> +	    TP_ARGS(rip, asid, address),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u64,	rip	)
> +		__field(	int,	asid	)
> +		__field(	__u64,	address	)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->rip		=	rip;
> +		__entry->asid		=	asid;
> +		__entry->address	=	address;
> +	),
> +
> +	TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
> +		  __entry->rip, __entry->asid, __entry->address)
> +);
> +
> +/*
> + * Tracepoint for nested #vmexit because of interrupt pending
> + */
> +TRACE_EVENT(kvm_skinit,
> +	    TP_PROTO(__u64 rip, __u32 slb),
> +	    TP_ARGS(rip, slb),
> +
> +	TP_STRUCT__entry(
> +		__field(	__u64,	rip	)
> +		__field(	__u32,	slb	)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->rip		=	rip;
> +		__entry->slb		=	slb;
> +	),
> +
> +	TP_printk("rip: 0x%016llx slb: 0x%08x",
> +		  __entry->rip, __entry->slb)
> +);
> +
> +#define KVM_EMUL_INSN_F_CR0_PE (1 << 0)
> +#define KVM_EMUL_INSN_F_EFL_VM (1 << 1)
> +#define KVM_EMUL_INSN_F_CS_D   (1 << 2)
> +#define KVM_EMUL_INSN_F_CS_L   (1 << 3)
> +
> +#define kvm_trace_symbol_emul_flags	                  \
> +	{ 0,   			    "real" },		  \
> +	{ KVM_EMUL_INSN_F_CR0_PE			  \
> +	  | KVM_EMUL_INSN_F_EFL_VM, "vm16" },		  \
> +	{ KVM_EMUL_INSN_F_CR0_PE,   "prot16" },		  \
> +	{ KVM_EMUL_INSN_F_CR0_PE			  \
> +	  | KVM_EMUL_INSN_F_CS_D,   "prot32" },		  \
> +	{ KVM_EMUL_INSN_F_CR0_PE			  \
> +	  | KVM_EMUL_INSN_F_CS_L,   "prot64" }
> +
> +#define kei_decode_mode(mode) ({			\
> +	u8 flags = 0xff;				\
> +	switch (mode) {					\
> +	case X86EMUL_MODE_REAL:				\
> +		flags = 0;				\
> +		break;					\
> +	case X86EMUL_MODE_VM86:				\
> +		flags = KVM_EMUL_INSN_F_EFL_VM;		\
> +		break;					\
> +	case X86EMUL_MODE_PROT16:			\
> +		flags = KVM_EMUL_INSN_F_CR0_PE;		\
> +		break;					\
> +	case X86EMUL_MODE_PROT32:			\
> +		flags = KVM_EMUL_INSN_F_CR0_PE		\
> +			| KVM_EMUL_INSN_F_CS_D;		\
> +		break;					\
> +	case X86EMUL_MODE_PROT64:			\
> +		flags = KVM_EMUL_INSN_F_CR0_PE		\
> +			| KVM_EMUL_INSN_F_CS_L;		\
> +		break;					\
> +	}						\
> +	flags;						\
> +	})
> +
> +TRACE_EVENT(kvm_emulate_insn,
> +	TP_PROTO(struct kvm_vcpu *vcpu, __u8 failed),
> +	TP_ARGS(vcpu, failed),
> +
> +	TP_STRUCT__entry(
> +		__field(    __u64, rip                       )
> +		__field(    __u32, csbase                    )
> +		__field(    __u8,  len                       )
> +		__array(    __u8,  insn,    15	             )
> +		__field(    __u8,  flags       	   	     )
> +		__field(    __u8,  failed                    )
> +		),
> +
> +	TP_fast_assign(
> +		__entry->rip = vcpu->arch.emulate_ctxt.fetch.start;
> +		__entry->csbase = kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS);
> +		__entry->len = vcpu->arch.emulate_ctxt._eip
> +			       - vcpu->arch.emulate_ctxt.fetch.start;
> +		memcpy(__entry->insn,
> +		       vcpu->arch.emulate_ctxt.fetch.data,
> +		       15);
> +		__entry->flags = kei_decode_mode(vcpu->arch.emulate_ctxt.mode);
> +		__entry->failed = failed;
> +		),
> +
> +	TP_printk("%x:%llx:%s (%s)%s",
> +		  __entry->csbase, __entry->rip,
> +		  __print_hex(__entry->insn, __entry->len),
> +		  __print_symbolic(__entry->flags,
> +				   kvm_trace_symbol_emul_flags),
> +		  __entry->failed ? " failed" : ""
> +		)
> +	);
> +
> +#define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
> +#define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
> +
> +TRACE_EVENT(
> +	vcpu_match_mmio,
> +	TP_PROTO(gva_t gva, gpa_t gpa, bool write, bool gpa_match),
> +	TP_ARGS(gva, gpa, write, gpa_match),
> +
> +	TP_STRUCT__entry(
> +		__field(gva_t, gva)
> +		__field(gpa_t, gpa)
> +		__field(bool, write)
> +		__field(bool, gpa_match)
> +		),
> +
> +	TP_fast_assign(
> +		__entry->gva = gva;
> +		__entry->gpa = gpa;
> +		__entry->write = write;
> +		__entry->gpa_match = gpa_match
> +		),
> +
> +	TP_printk("gva %#lx gpa %#llx %s %s", __entry->gva, __entry->gpa,
> +		  __entry->write ? "Write" : "Read",
> +		  __entry->gpa_match ? "GPA" : "GVA")
> +);
> +
> +#ifdef CONFIG_X86_64
> +
> +#define host_clocks					\
> +	{VCLOCK_NONE, "none"},				\
> +	{VCLOCK_TSC,  "tsc"},				\
> +	{VCLOCK_HPET, "hpet"}				\
> +
> +TRACE_EVENT(kvm_update_master_clock,
> +	TP_PROTO(bool use_master_clock, unsigned int host_clock, bool offset_matched),
> +	TP_ARGS(use_master_clock, host_clock, offset_matched),
> +
> +	TP_STRUCT__entry(
> +		__field(		bool,	use_master_clock	)
> +		__field(	unsigned int,	host_clock		)
> +		__field(		bool,	offset_matched		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->use_master_clock	= use_master_clock;
> +		__entry->host_clock		= host_clock;
> +		__entry->offset_matched		= offset_matched;
> +	),
> +
> +	TP_printk("masterclock %d hostclock %s offsetmatched %u",
> +		  __entry->use_master_clock,
> +		  __print_symbolic(__entry->host_clock, host_clocks),
> +		  __entry->offset_matched)
> +);
> +
> +TRACE_EVENT(kvm_track_tsc,
> +	TP_PROTO(unsigned int vcpu_id, unsigned int nr_matched,
> +		 unsigned int online_vcpus, bool use_master_clock,
> +		 unsigned int host_clock),
> +	TP_ARGS(vcpu_id, nr_matched, online_vcpus, use_master_clock,
> +		host_clock),
> +
> +	TP_STRUCT__entry(
> +		__field(	unsigned int,	vcpu_id			)
> +		__field(	unsigned int,	nr_vcpus_matched_tsc	)
> +		__field(	unsigned int,	online_vcpus		)
> +		__field(	bool,		use_master_clock	)
> +		__field(	unsigned int,	host_clock		)
> +	),
> +
> +	TP_fast_assign(
> +		__entry->vcpu_id		= vcpu_id;
> +		__entry->nr_vcpus_matched_tsc	= nr_matched;
> +		__entry->online_vcpus		= online_vcpus;
> +		__entry->use_master_clock	= use_master_clock;
> +		__entry->host_clock		= host_clock;
> +	),
> +
> +	TP_printk("vcpu_id %u masterclock %u offsetmatched %u nr_online %u"
> +		  " hostclock %s",
> +		  __entry->vcpu_id, __entry->use_master_clock,
> +		  __entry->nr_vcpus_matched_tsc, __entry->online_vcpus,
> +		  __print_symbolic(__entry->host_clock, host_clocks))
> +);
> +
> +#endif /* CONFIG_X86_64 */
> +
> +#endif /* _TRACE_KVM_H */
> +
> +#undef TRACE_INCLUDE_PATH
> +#define TRACE_INCLUDE_PATH arch/x86/kvm
> +#undef TRACE_INCLUDE_FILE
> +#define TRACE_INCLUDE_FILE trace
> +
> +/* This part must be outside protection */
> +#include <trace/define_trace.h>
> -- 
> 1.7.10.4
> 
> 
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com



More information about the lttng-dev mailing list