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

// SPDX-FileCopyrightText: 2013 Mohamad Gebai <mohamad.gebai@polymtl.ca>
//
// 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 <lttng/tracepoint-event.h>
#include <lttng/kernel-version.h>

#include <linux/trace_events.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm_mmu

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0) || \
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0))

#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)

#else

#define LTTNG_KVM_MMU_PAGE_FIELDS \
	ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
	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)

#endif

/*
 * 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)
)

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))

LTTNG_TRACEPOINT_EVENT_MAP(
	mark_mmio_spte,

	kvm_mmu_mark_mmio_spte,

	TP_PROTO(u64 *sptep, gfn_t gfn, u64 spte),
	TP_ARGS(sptep, gfn, spte),

	TP_FIELDS(
		ctf_integer_hex(void *, sptep, sptep)
		ctf_integer(gfn_t, gfn, gfn)
		ctf_integer(unsigned, access, spte & ACC_ALL)
		ctf_integer(unsigned int, gen, get_mmio_spte_generation(spte))
	)
)

#else

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)
	)
)
#endif

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)
	)
)

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0))
LTTNG_TRACEPOINT_EVENT_MAP(
	fast_page_fault,

	kvm_mmu_fast_page_fault,

	TP_PROTO(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault,
		 u64 *sptep, u64 old_spte, int ret),
	TP_ARGS(vcpu, fault, sptep, old_spte, ret),

	TP_FIELDS(
		ctf_integer(int, vcpu_id, vcpu->vcpu_id)
		ctf_integer(gpa_t, cr2_or_gpa, fault->addr)
		ctf_integer(u32, error_code, fault->error_code)
		ctf_integer_hex(u64 *, sptep, sptep)
		ctf_integer(u64, old_spte, old_spte)
		ctf_integer(u64, new_spte, *sptep)
		ctf_integer(int, ret, ret)
	)
)
#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
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, int ret),
	TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, ret),

	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(int, ret, ret)
	)
)
#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \
	LTTNG_KERNEL_RANGE(4,19,103, 4,20,0) || \
	LTTNG_KERNEL_RANGE(5,4,19, 5,5,0) || \
	LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \
	LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,92, 4,16,0,0) || \
	LTTNG_UBUNTU_KERNEL_RANGE(5,0,21,44, 5,1,0,0) || \
	LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,43, 5,3,18,45) || \
	LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,46, 5,4,0,0))
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)
	)
)
#else
LTTNG_TRACEPOINT_EVENT_MAP(
	fast_page_fault,

	kvm_mmu_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_FIELDS(
		ctf_integer(int, vcpu_id, vcpu->vcpu_id)
		ctf_integer(gva_t, gva, gva)
		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

#endif /* LTTNG_TRACE_KVM_MMU_H */

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

/* This part must be outside protection */
#include <lttng/define_trace.h>
Commit	Line	Data
	1	// SPDX-FileCopyrightText: 2013 Mohamad Gebai <mohamad.gebai@polymtl.ca>
	2	//
	3	// SPDX-License-Identifier: GPL-2.0-only
	4
	5	#if !defined(LTTNG_TRACE_KVM_MMU_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	6	#define LTTNG_TRACE_KVM_MMU_H
	7
	8	#include <lttng/tracepoint-event.h>
	9	#include <lttng/kernel-version.h>
	10
	11	#include <linux/trace_events.h>
	12
	13	#undef TRACE_SYSTEM
	14	#define TRACE_SYSTEM kvm_mmu
	15
	16	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0) \|\| \
	17	LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0))
	18
	19	#define LTTNG_KVM_MMU_PAGE_FIELDS \
	20	ctf_integer(__u64, gfn, (sp)->gfn) \
	21	ctf_integer(__u32, role, (sp)->role.word) \
	22	ctf_integer(__u32, root_count, (sp)->root_count) \
	23	ctf_integer(bool, unsync, (sp)->unsync)
	24
	25	#else
	26
	27	#define LTTNG_KVM_MMU_PAGE_FIELDS \
	28	ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
	29	ctf_integer(__u64, gfn, (sp)->gfn) \
	30	ctf_integer(__u32, role, (sp)->role.word) \
	31	ctf_integer(__u32, root_count, (sp)->root_count) \
	32	ctf_integer(bool, unsync, (sp)->unsync)
	33
	34	#endif
	35
	36	/*
	37	* A pagetable walk has started
	38	*/
	39	LTTNG_TRACEPOINT_EVENT(
	40	kvm_mmu_pagetable_walk,
	41	TP_PROTO(u64 addr, u32 pferr),
	42	TP_ARGS(addr, pferr),
	43
	44	TP_FIELDS(
	45	ctf_integer_hex(__u64, addr, addr)
	46	ctf_integer(__u32, pferr, pferr)
	47	)
	48	)
	49
	50	/* We just walked a paging element */
	51	LTTNG_TRACEPOINT_EVENT(
	52	kvm_mmu_paging_element,
	53	TP_PROTO(u64 pte, int level),
	54	TP_ARGS(pte, level),
	55
	56	TP_FIELDS(
	57	ctf_integer(__u64, pte, pte)
	58	ctf_integer(__u32, level, level)
	59	)
	60	)
	61
	62	LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
	63
	64	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
	65
	66	TP_ARGS(table_gfn, index, size),
	67
	68	TP_FIELDS(
	69	ctf_integer(__u64, gpa,
	70	((u64)table_gfn << PAGE_SHIFT) + index * size)
	71	)
	72	)
	73
	74	/* We set a pte accessed bit */
	75	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
	76
	77	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
	78
	79	TP_ARGS(table_gfn, index, size)
	80	)
	81
	82	/* We set a pte dirty bit */
	83	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
	84
	85	TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
	86
	87	TP_ARGS(table_gfn, index, size)
	88	)
	89
	90	LTTNG_TRACEPOINT_EVENT(
	91	kvm_mmu_walker_error,
	92	TP_PROTO(u32 pferr),
	93	TP_ARGS(pferr),
	94
	95	TP_FIELDS(
	96	ctf_integer(__u32, pferr, pferr)
	97	)
	98	)
	99
	100	LTTNG_TRACEPOINT_EVENT(
	101	kvm_mmu_get_page,
	102	TP_PROTO(struct kvm_mmu_page *sp, bool created),
	103	TP_ARGS(sp, created),
	104
	105	TP_FIELDS(
	106	LTTNG_KVM_MMU_PAGE_FIELDS
	107	ctf_integer(bool, created, created)
	108	)
	109	)
	110
	111	LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
	112
	113	TP_PROTO(struct kvm_mmu_page *sp),
	114	TP_ARGS(sp),
	115
	116	TP_FIELDS(
	117	LTTNG_KVM_MMU_PAGE_FIELDS
	118	)
	119	)
	120
	121	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
	122	TP_PROTO(struct kvm_mmu_page *sp),
	123
	124	TP_ARGS(sp)
	125	)
	126
	127	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
	128	TP_PROTO(struct kvm_mmu_page *sp),
	129
	130	TP_ARGS(sp)
	131	)
	132
	133	LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
	134	TP_PROTO(struct kvm_mmu_page *sp),
	135
	136	TP_ARGS(sp)
	137	)
	138
	139	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) \|\| \
	140	LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
	141
	142	LTTNG_TRACEPOINT_EVENT_MAP(
	143	mark_mmio_spte,
	144
	145	kvm_mmu_mark_mmio_spte,
	146
	147	TP_PROTO(u64 *sptep, gfn_t gfn, u64 spte),
	148	TP_ARGS(sptep, gfn, spte),
	149
	150	TP_FIELDS(
	151	ctf_integer_hex(void *, sptep, sptep)
	152	ctf_integer(gfn_t, gfn, gfn)
	153	ctf_integer(unsigned, access, spte & ACC_ALL)
	154	ctf_integer(unsigned int, gen, get_mmio_spte_generation(spte))
	155	)
	156	)
	157
	158	#else
	159
	160	LTTNG_TRACEPOINT_EVENT_MAP(
	161	mark_mmio_spte,
	162
	163	kvm_mmu_mark_mmio_spte,
	164
	165	TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
	166	TP_ARGS(sptep, gfn, access, gen),
	167
	168	TP_FIELDS(
	169	ctf_integer_hex(void *, sptep, sptep)
	170	ctf_integer(gfn_t, gfn, gfn)
	171	ctf_integer(unsigned, access, access)
	172	ctf_integer(unsigned int, gen, gen)
	173	)
	174	)
	175	#endif
	176
	177	LTTNG_TRACEPOINT_EVENT_MAP(
	178	handle_mmio_page_fault,
	179
	180	kvm_mmu_handle_mmio_page_fault,
	181
	182	TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
	183	TP_ARGS(addr, gfn, access),
	184
	185	TP_FIELDS(
	186	ctf_integer_hex(u64, addr, addr)
	187	ctf_integer(gfn_t, gfn, gfn)
	188	ctf_integer(unsigned, access, access)
	189	)
	190	)
	191
	192	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0))
	193	LTTNG_TRACEPOINT_EVENT_MAP(
	194	fast_page_fault,
	195
	196	kvm_mmu_fast_page_fault,
	197
	198	TP_PROTO(struct kvm_vcpu vcpu, struct kvm_page_fault fault,
	199	u64 *sptep, u64 old_spte, int ret),
	200	TP_ARGS(vcpu, fault, sptep, old_spte, ret),
	201
	202	TP_FIELDS(
	203	ctf_integer(int, vcpu_id, vcpu->vcpu_id)
	204	ctf_integer(gpa_t, cr2_or_gpa, fault->addr)
	205	ctf_integer(u32, error_code, fault->error_code)
	206	ctf_integer_hex(u64 *, sptep, sptep)
	207	ctf_integer(u64, old_spte, old_spte)
	208	ctf_integer(u64, new_spte, *sptep)
	209	ctf_integer(int, ret, ret)
	210	)
	211	)
	212	#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) \|\| \
	213	LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
	214	LTTNG_TRACEPOINT_EVENT_MAP(
	215	fast_page_fault,
	216
	217	kvm_mmu_fast_page_fault,
	218
	219	TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
	220	u64 *sptep, u64 old_spte, int ret),
	221	TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, ret),
	222
	223	TP_FIELDS(
	224	ctf_integer(int, vcpu_id, vcpu->vcpu_id)
	225	ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
	226	ctf_integer(u32, error_code, error_code)
	227	ctf_integer_hex(u64 *, sptep, sptep)
	228	ctf_integer(u64, old_spte, old_spte)
	229	ctf_integer(u64, new_spte, *sptep)
	230	ctf_integer(int, ret, ret)
	231	)
	232	)
	233	#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) \|\| \
	234	LTTNG_KERNEL_RANGE(4,19,103, 4,20,0) \|\| \
	235	LTTNG_KERNEL_RANGE(5,4,19, 5,5,0) \|\| \
	236	LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) \|\| \
	237	LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,92, 4,16,0,0) \|\| \
	238	LTTNG_UBUNTU_KERNEL_RANGE(5,0,21,44, 5,1,0,0) \|\| \
	239	LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,43, 5,3,18,45) \|\| \
	240	LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,46, 5,4,0,0))
	241	LTTNG_TRACEPOINT_EVENT_MAP(
	242	fast_page_fault,
	243
	244	kvm_mmu_fast_page_fault,
	245
	246	TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
	247	u64 *sptep, u64 old_spte, bool retry),
	248	TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry),
	249
	250	TP_FIELDS(
	251	ctf_integer(int, vcpu_id, vcpu->vcpu_id)
	252	ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
	253	ctf_integer(u32, error_code, error_code)
	254	ctf_integer_hex(u64 *, sptep, sptep)
	255	ctf_integer(u64, old_spte, old_spte)
	256	ctf_integer(u64, new_spte, *sptep)
	257	ctf_integer(bool, retry, retry)
	258	)
	259	)
	260	#else
	261	LTTNG_TRACEPOINT_EVENT_MAP(
	262	fast_page_fault,
	263
	264	kvm_mmu_fast_page_fault,
	265
	266	TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
	267	u64 *sptep, u64 old_spte, bool retry),
	268	TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry),
	269
	270	TP_FIELDS(
	271	ctf_integer(int, vcpu_id, vcpu->vcpu_id)
	272	ctf_integer(gva_t, gva, gva)
	273	ctf_integer(u32, error_code, error_code)
	274	ctf_integer_hex(u64 *, sptep, sptep)
	275	ctf_integer(u64, old_spte, old_spte)
	276	ctf_integer(u64, new_spte, *sptep)
	277	ctf_integer(bool, retry, retry)
	278	)
	279	)
	280	#endif
	281
	282	#endif /* LTTNG_TRACE_KVM_MMU_H */
	283
	284	#undef TRACE_INCLUDE_PATH
	285	#define TRACE_INCLUDE_PATH instrumentation/events/arch/x86/kvm
	286	#undef TRACE_INCLUDE_FILE
	287	#define TRACE_INCLUDE_FILE mmutrace
	288
	289	/* This part must be outside protection */
	290	#include <lttng/define_trace.h>