Cleanup: Remove deprecated TODO file
[lttng-modules.git] / instrumentation / events / lttng-module / arch / x86 / kvm / mmutrace.h
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b7cdc182 1/* SPDX-License-Identifier: GPL-2.0-only */
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2#if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
3#define LTTNG_TRACE_KVM_MMU_H
b3c40230 4
3b4aafcb 5#include <lttng/tracepoint-event.h>
d3a7bdc5 6#include <linux/version.h>
b3c40230 7
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8#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
9#include <linux/trace_events.h>
10#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
11#include <linux/ftrace_event.h>
12#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
13
b3c40230 14#undef TRACE_SYSTEM
9bbf98da 15#define TRACE_SYSTEM kvm_mmu
b3c40230 16
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17#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0) || \
18 LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0))
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19
20#define LTTNG_KVM_MMU_PAGE_FIELDS \
21 ctf_integer(__u64, gfn, (sp)->gfn) \
22 ctf_integer(__u32, role, (sp)->role.word) \
23 ctf_integer(__u32, root_count, (sp)->root_count) \
24 ctf_integer(bool, unsync, (sp)->unsync)
25
26#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
05b915ce 27
f127e61e 28#define LTTNG_KVM_MMU_PAGE_FIELDS \
05b915ce 29 ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
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30 ctf_integer(__u64, gfn, (sp)->gfn) \
31 ctf_integer(__u32, role, (sp)->role.word) \
32 ctf_integer(__u32, root_count, (sp)->root_count) \
33 ctf_integer(bool, unsync, (sp)->unsync)
b3c40230 34
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35#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
36
37#define LTTNG_KVM_MMU_PAGE_FIELDS \
38 ctf_integer(__u64, gfn, (sp)->gfn) \
39 ctf_integer(__u32, role, (sp)->role.word) \
40 ctf_integer(__u32, root_count, (sp)->root_count) \
41 ctf_integer(bool, unsync, (sp)->unsync)
42
43#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
44
4bbec2e1 45#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
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46/*
47 * A pagetable walk has started
48 */
3bc29f0a 49LTTNG_TRACEPOINT_EVENT(
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50 kvm_mmu_pagetable_walk,
51 TP_PROTO(u64 addr, u32 pferr),
52 TP_ARGS(addr, pferr),
53
f127e61e 54 TP_FIELDS(
2c054599 55 ctf_integer_hex(__u64, addr, addr)
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56 ctf_integer(__u32, pferr, pferr)
57 )
b3c40230 58)
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59#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
60/*
61 * A pagetable walk has started
62 */
63LTTNG_TRACEPOINT_EVENT(
64 kvm_mmu_pagetable_walk,
65 TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault),
66 TP_ARGS(addr, write_fault, user_fault, fetch_fault),
b3c40230 67
4bbec2e1 68 TP_FIELDS(
2c054599 69 ctf_integer_hex(__u64, addr, addr)
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70 ctf_integer(__u32, pferr,
71 (!!write_fault << 1) | (!!user_fault << 2)
72 | (!!fetch_fault << 4))
73 )
74)
75#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
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76
77/* We just walked a paging element */
3bc29f0a 78LTTNG_TRACEPOINT_EVENT(
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79 kvm_mmu_paging_element,
80 TP_PROTO(u64 pte, int level),
81 TP_ARGS(pte, level),
82
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83 TP_FIELDS(
84 ctf_integer(__u64, pte, pte)
85 ctf_integer(__u32, level, level)
86 )
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87)
88
3bc29f0a 89LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
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90
91 TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
92
93 TP_ARGS(table_gfn, index, size),
94
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95 TP_FIELDS(
96 ctf_integer(__u64, gpa,
97 ((u64)table_gfn << PAGE_SHIFT) + index * size)
98 )
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99)
100
101/* We set a pte accessed bit */
3bc29f0a 102LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
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103
104 TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
105
106 TP_ARGS(table_gfn, index, size)
107)
108
109/* We set a pte dirty bit */
3bc29f0a 110LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
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111
112 TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
113
114 TP_ARGS(table_gfn, index, size)
115)
116
3bc29f0a 117LTTNG_TRACEPOINT_EVENT(
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118 kvm_mmu_walker_error,
119 TP_PROTO(u32 pferr),
120 TP_ARGS(pferr),
121
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122 TP_FIELDS(
123 ctf_integer(__u32, pferr, pferr)
124 )
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125)
126
3bc29f0a 127LTTNG_TRACEPOINT_EVENT(
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128 kvm_mmu_get_page,
129 TP_PROTO(struct kvm_mmu_page *sp, bool created),
130 TP_ARGS(sp, created),
131
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132 TP_FIELDS(
133 LTTNG_KVM_MMU_PAGE_FIELDS
134 ctf_integer(bool, created, created)
135 )
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136)
137
3bc29f0a 138LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
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139
140 TP_PROTO(struct kvm_mmu_page *sp),
141 TP_ARGS(sp),
142
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143 TP_FIELDS(
144 LTTNG_KVM_MMU_PAGE_FIELDS
145 )
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146)
147
3bc29f0a 148LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
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149 TP_PROTO(struct kvm_mmu_page *sp),
150
151 TP_ARGS(sp)
152)
153
3bc29f0a 154LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
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155 TP_PROTO(struct kvm_mmu_page *sp),
156
157 TP_ARGS(sp)
158)
159
3bc29f0a 160LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
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161 TP_PROTO(struct kvm_mmu_page *sp),
162
163 TP_ARGS(sp)
164)
165
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166#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
167
168LTTNG_TRACEPOINT_EVENT_MAP(
169 mark_mmio_spte,
170
171 kvm_mmu_mark_mmio_spte,
172
173 TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
174 TP_ARGS(sptep, gfn, access, gen),
175
176 TP_FIELDS(
fa91fcac 177 ctf_integer_hex(void *, sptep, sptep)
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178 ctf_integer(gfn_t, gfn, gfn)
179 ctf_integer(unsigned, access, access)
180 ctf_integer(unsigned int, gen, gen)
181 )
182)
183
184#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
185
9bbf98da 186LTTNG_TRACEPOINT_EVENT_MAP(
b3c40230 187 mark_mmio_spte,
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188
189 kvm_mmu_mark_mmio_spte,
190
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191 TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
192 TP_ARGS(sptep, gfn, access),
193
f127e61e 194 TP_FIELDS(
fa91fcac 195 ctf_integer_hex(void *, sptep, sptep)
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196 ctf_integer(gfn_t, gfn, gfn)
197 ctf_integer(unsigned, access, access)
198 )
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199)
200
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201#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
202
9bbf98da 203LTTNG_TRACEPOINT_EVENT_MAP(
b3c40230 204 handle_mmio_page_fault,
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205
206 kvm_mmu_handle_mmio_page_fault,
207
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208 TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
209 TP_ARGS(addr, gfn, access),
210
f127e61e 211 TP_FIELDS(
2c054599 212 ctf_integer_hex(u64, addr, addr)
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213 ctf_integer(gfn_t, gfn, gfn)
214 ctf_integer(unsigned, access, access)
215 )
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216)
217
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218#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) || \
219 LTTNG_KERNEL_RANGE(4,19,103, 4,20,0) || \
220 LTTNG_KERNEL_RANGE(5,4,19, 5,5,0) || \
9b364f49 221 LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \
66d91dec 222 LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,92, 4,16,0,0) || \
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223 LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,43, 5,3,18,45) || \
224 LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,46, 5,4,0,0))
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225LTTNG_TRACEPOINT_EVENT_MAP(
226 fast_page_fault,
227
228 kvm_mmu_fast_page_fault,
229
230 TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code,
231 u64 *sptep, u64 old_spte, bool retry),
232 TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry),
233
234 TP_FIELDS(
235 ctf_integer(int, vcpu_id, vcpu->vcpu_id)
236 ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa)
237 ctf_integer(u32, error_code, error_code)
238 ctf_integer_hex(u64 *, sptep, sptep)
239 ctf_integer(u64, old_spte, old_spte)
240 ctf_integer(u64, new_spte, *sptep)
241 ctf_integer(bool, retry, retry)
242 )
243)
244#else
9bbf98da 245LTTNG_TRACEPOINT_EVENT_MAP(
b3c40230 246 fast_page_fault,
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247
248 kvm_mmu_fast_page_fault,
249
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250 TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
251 u64 *sptep, u64 old_spte, bool retry),
252 TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry),
253
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254 TP_FIELDS(
255 ctf_integer(int, vcpu_id, vcpu->vcpu_id)
256 ctf_integer(gva_t, gva, gva)
257 ctf_integer(u32, error_code, error_code)
fa91fcac 258 ctf_integer_hex(u64 *, sptep, sptep)
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259 ctf_integer(u64, old_spte, old_spte)
260 ctf_integer(u64, new_spte, *sptep)
261 ctf_integer(bool, retry, retry)
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262 )
263)
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264#endif
265
9bbf98da 266#endif /* LTTNG_TRACE_KVM_MMU_H */
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267
268#undef TRACE_INCLUDE_PATH
c075712b 269#define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
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270#undef TRACE_INCLUDE_FILE
271#define TRACE_INCLUDE_FILE mmutrace
272
273/* This part must be outside protection */
3b4aafcb 274#include <lttng/define_trace.h>
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