[lttng-modules.git] / instrumentation / events / lttng-module / arch / x86 / kvm / mmutrace.h

/* SPDX-License-Identifier: GPL-2.0-only */
#if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define LTTNG_TRACE_KVM_MMU_H

#include <probes/lttng-tracepoint-event.h>

#include <linux/trace_events.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm_mmu

#define LTTNG_KVM_MMU_PAGE_FIELDS \
	ctf_integer(__u64, gfn, (sp)->gfn) \
	ctf_integer(__u32, role, (sp)->role.word) \
	ctf_integer(__u32, root_count, (sp)->root_count) \
	ctf_integer(bool, unsync, (sp)->unsync)

/*
 * A pagetable walk has started
 */
LTTNG_TRACEPOINT_EVENT(
	kvm_mmu_pagetable_walk,
	TP_PROTO(u64 addr, u32 pferr),
	TP_ARGS(addr, pferr),

	TP_FIELDS(
		ctf_integer_hex(__u64, addr, addr)
		ctf_integer(__u32, pferr, pferr)
	)
)

/* We just walked a paging element */
LTTNG_TRACEPOINT_EVENT(
	kvm_mmu_paging_element,
	TP_PROTO(u64 pte, int level),
	TP_ARGS(pte, level),

	TP_FIELDS(
		ctf_integer(__u64, pte, pte)
		ctf_integer(__u32, level, level)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,

	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),

	TP_ARGS(table_gfn, index, size),

	TP_FIELDS(
		ctf_integer(__u64, gpa,
			((u64)table_gfn << PAGE_SHIFT) + index * size)
	)
)

/* We set a pte accessed bit */
LTTNG_TRACEPOINT_EVENT_INSTANCE(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 */
LTTNG_TRACEPOINT_EVENT_INSTANCE(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)
)

LTTNG_TRACEPOINT_EVENT(
	kvm_mmu_walker_error,
	TP_PROTO(u32 pferr),
	TP_ARGS(pferr),

	TP_FIELDS(
		ctf_integer(__u32, pferr, pferr)
	)
)

LTTNG_TRACEPOINT_EVENT(
	kvm_mmu_get_page,
	TP_PROTO(struct kvm_mmu_page *sp, bool created),
	TP_ARGS(sp, created),

	TP_FIELDS(
		LTTNG_KVM_MMU_PAGE_FIELDS
		ctf_integer(bool, created, created)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,

	TP_PROTO(struct kvm_mmu_page *sp),
	TP_ARGS(sp),

	TP_FIELDS(
		LTTNG_KVM_MMU_PAGE_FIELDS
	)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
	TP_PROTO(struct kvm_mmu_page *sp),

	TP_ARGS(sp)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
	TP_PROTO(struct kvm_mmu_page *sp),

	TP_ARGS(sp)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
	TP_PROTO(struct kvm_mmu_page *sp),

	TP_ARGS(sp)
)

LTTNG_TRACEPOINT_EVENT_MAP(
	mark_mmio_spte,

	kvm_mmu_mark_mmio_spte,

	TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
	TP_ARGS(sptep, gfn, access, gen),

	TP_FIELDS(
		ctf_integer_hex(void *, sptep, sptep)
		ctf_integer(gfn_t, gfn, gfn)
		ctf_integer(unsigned, access, access)
		ctf_integer(unsigned int, gen, gen)
	)
)

LTTNG_TRACEPOINT_EVENT_MAP(
	handle_mmio_page_fault,

	kvm_mmu_handle_mmio_page_fault,

	TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
	TP_ARGS(addr, gfn, access),

	TP_FIELDS(
		ctf_integer_hex(u64, addr, addr)
		ctf_integer(gfn_t, gfn, gfn)
		ctf_integer(unsigned, access, access)
	)
)

LTTNG_TRACEPOINT_EVENT_MAP(
	fast_page_fault,

	kvm_mmu_fast_page_fault,

	TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
		 u64 *sptep, u64 old_spte, bool retry),
	TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry),

	TP_FIELDS(
		ctf_integer(int, vcpu_id, vcpu->vcpu_id)
		ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
		ctf_integer(u32, error_code, error_code)
		ctf_integer_hex(u64 *, sptep, sptep)
		ctf_integer(u64, old_spte, old_spte)
		ctf_integer(u64, new_spte, *sptep)
		ctf_integer(bool, retry, retry)
	)
)

#endif /* LTTNG_TRACE_KVM_MMU_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE mmutrace

/* This part must be outside protection */
#include <probes/define_trace.h>
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: GPL-2.0-only */
9bbf98da MD	2	#if !defined(LTTNG_TRACE_KVM_MMU_H) \|\| defined(TRACE_HEADER_MULTI_READ)
9bbf98da MD	3	#define LTTNG_TRACE_KVM_MMU_H
b3c40230	4
6ec43db8	5	#include <probes/lttng-tracepoint-event.h>
b3c40230	6
55d9985e	7	#include <linux/trace_events.h>
55d9985e	8
b3c40230	9	#undef TRACE_SYSTEM
9bbf98da	10	#define TRACE_SYSTEM kvm_mmu
b3c40230	11
05b915ce MD	12	#define LTTNG_KVM_MMU_PAGE_FIELDS \
	13	ctf_integer(__u64, gfn, (sp)->gfn) \
	14	ctf_integer(__u32, role, (sp)->role.word) \
	15	ctf_integer(__u32, root_count, (sp)->root_count) \
	16	ctf_integer(bool, unsync, (sp)->unsync)
	17
b3c40230 MG	18	/*
	19	* A pagetable walk has started
	20	*/
3bc29f0a	21	LTTNG_TRACEPOINT_EVENT(
b3c40230 MG	22	kvm_mmu_pagetable_walk,
	23	TP_PROTO(u64 addr, u32 pferr),
	24	TP_ARGS(addr, pferr),
	25
f127e61e	26	TP_FIELDS(
2c054599	27	ctf_integer_hex(__u64, addr, addr)
f127e61e MD	28	ctf_integer(__u32, pferr, pferr)
f127e61e MD	29	)
b3c40230	30	)
b3c40230 MG	31
b3c40230 MG	32	/* We just walked a paging element */
3bc29f0a	33	LTTNG_TRACEPOINT_EVENT(
b3c40230 MG	34	kvm_mmu_paging_element,
	35	TP_PROTO(u64 pte, int level),
	36	TP_ARGS(pte, level),
	37
f127e61e MD	38	TP_FIELDS(
	39	ctf_integer(__u64, pte, pte)
	40	ctf_integer(__u32, level, level)
	41	)
b3c40230 MG	42	)
b3c40230 MG	43
3bc29f0a	44	LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
b3c40230 MG	45
	46	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
	47
	48	TP_ARGS(table_gfn, index, size),
	49
f127e61e MD	50	TP_FIELDS(
	51	ctf_integer(__u64, gpa,
	52	((u64)table_gfn << PAGE_SHIFT) + index * size)
	53	)
b3c40230 MG	54	)
	55
	56	/* We set a pte accessed bit */
3bc29f0a	57	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
b3c40230 MG	58
	59	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
	60
	61	TP_ARGS(table_gfn, index, size)
	62	)
	63
	64	/* We set a pte dirty bit */
3bc29f0a	65	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
b3c40230 MG	66
	67	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
	68
	69	TP_ARGS(table_gfn, index, size)
	70	)
	71
3bc29f0a	72	LTTNG_TRACEPOINT_EVENT(
b3c40230 MG	73	kvm_mmu_walker_error,
	74	TP_PROTO(u32 pferr),
	75	TP_ARGS(pferr),
	76
f127e61e MD	77	TP_FIELDS(
	78	ctf_integer(__u32, pferr, pferr)
	79	)
b3c40230 MG	80	)
b3c40230 MG	81
3bc29f0a	82	LTTNG_TRACEPOINT_EVENT(
b3c40230 MG	83	kvm_mmu_get_page,
	84	TP_PROTO(struct kvm_mmu_page *sp, bool created),
	85	TP_ARGS(sp, created),
	86
f127e61e MD	87	TP_FIELDS(
	88	LTTNG_KVM_MMU_PAGE_FIELDS
	89	ctf_integer(bool, created, created)
	90	)
b3c40230 MG	91	)
b3c40230 MG	92
3bc29f0a	93	LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
b3c40230 MG	94
	95	TP_PROTO(struct kvm_mmu_page *sp),
	96	TP_ARGS(sp),
	97
f127e61e MD	98	TP_FIELDS(
	99	LTTNG_KVM_MMU_PAGE_FIELDS
	100	)
b3c40230 MG	101	)
b3c40230 MG	102
3bc29f0a	103	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
b3c40230 MG	104	TP_PROTO(struct kvm_mmu_page *sp),
	105
	106	TP_ARGS(sp)
	107	)
	108
3bc29f0a	109	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
b3c40230 MG	110	TP_PROTO(struct kvm_mmu_page *sp),
	111
	112	TP_ARGS(sp)
	113	)
	114
3bc29f0a	115	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
b3c40230 MG	116	TP_PROTO(struct kvm_mmu_page *sp),
	117
	118	TP_ARGS(sp)
	119	)
	120
d3a7bdc5 MD	121	LTTNG_TRACEPOINT_EVENT_MAP(
	122	mark_mmio_spte,
	123
	124	kvm_mmu_mark_mmio_spte,
	125
	126	TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
	127	TP_ARGS(sptep, gfn, access, gen),
	128
	129	TP_FIELDS(
fa91fcac	130	ctf_integer_hex(void *, sptep, sptep)
d3a7bdc5 MD	131	ctf_integer(gfn_t, gfn, gfn)
	132	ctf_integer(unsigned, access, access)
	133	ctf_integer(unsigned int, gen, gen)
	134	)
	135	)
	136
9bbf98da	137	LTTNG_TRACEPOINT_EVENT_MAP(
b3c40230	138	handle_mmio_page_fault,
9bbf98da MD	139
	140	kvm_mmu_handle_mmio_page_fault,
	141
b3c40230 MG	142	TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
	143	TP_ARGS(addr, gfn, access),
	144
f127e61e	145	TP_FIELDS(
2c054599	146	ctf_integer_hex(u64, addr, addr)
f127e61e MD	147	ctf_integer(gfn_t, gfn, gfn)
	148	ctf_integer(unsigned, access, access)
	149	)
b3c40230 MG	150	)
b3c40230 MG	151
c5db2e0a MJ	152	LTTNG_TRACEPOINT_EVENT_MAP(
	153	fast_page_fault,
	154
	155	kvm_mmu_fast_page_fault,
	156
	157	TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
	158	u64 *sptep, u64 old_spte, bool retry),
	159	TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry),
	160
	161	TP_FIELDS(
	162	ctf_integer(int, vcpu_id, vcpu->vcpu_id)
	163	ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
	164	ctf_integer(u32, error_code, error_code)
	165	ctf_integer_hex(u64 *, sptep, sptep)
	166	ctf_integer(u64, old_spte, old_spte)
	167	ctf_integer(u64, new_spte, *sptep)
	168	ctf_integer(bool, retry, retry)
	169	)
	170	)
c5db2e0a	171
9bbf98da	172	#endif /* LTTNG_TRACE_KVM_MMU_H */
b3c40230 MG	173
b3c40230 MG	174	#undef TRACE_INCLUDE_PATH
c075712b	175	#define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
b3c40230 MG	176	#undef TRACE_INCLUDE_FILE
	177	#define TRACE_INCLUDE_FILE mmutrace
	178
	179	/* This part must be outside protection */
6ec43db8	180	#include <probes/define_trace.h>