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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_MACHINE_H
3#define __PERF_MACHINE_H
4
5#include <sys/types.h>
6#include <linux/rbtree.h>
7#include "map.h"
8#include "dso.h"
9#include "event.h"
10#include "rwsem.h"
11
12struct addr_location;
13struct branch_stack;
14struct perf_evsel;
15struct perf_sample;
16struct symbol;
17struct thread;
18union perf_event;
19
20/* Native host kernel uses -1 as pid index in machine */
21#define HOST_KERNEL_ID (-1)
22#define DEFAULT_GUEST_KERNEL_ID (0)
23
24extern const char *ref_reloc_sym_names[];
25
26struct vdso_info;
27
28#define THREADS__TABLE_BITS 8
29#define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS)
30
31struct threads {
32 struct rb_root entries;
33 struct rw_semaphore lock;
34 unsigned int nr;
35 struct list_head dead;
36 struct thread *last_match;
37};
38
39struct machine {
40 struct rb_node rb_node;
41 pid_t pid;
42 u16 id_hdr_size;
43 bool comm_exec;
44 bool kptr_restrict_warned;
45 char *root_dir;
46 char *mmap_name;
47 struct threads threads[THREADS__TABLE_SIZE];
48 struct vdso_info *vdso_info;
49 struct perf_env *env;
50 struct dsos dsos;
51 struct map_groups kmaps;
52 struct map *vmlinux_maps[MAP__NR_TYPES];
53 u64 kernel_start;
54 pid_t *current_tid;
55 union { /* Tool specific area */
56 void *priv;
57 u64 db_id;
58 };
59};
60
61static inline struct threads *machine__threads(struct machine *machine, pid_t tid)
62{
63 /* Cast it to handle tid == -1 */
64 return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE];
65}
66
67static inline
68struct map *__machine__kernel_map(struct machine *machine, enum map_type type)
69{
70 return machine->vmlinux_maps[type];
71}
72
73static inline
74struct map *machine__kernel_map(struct machine *machine)
75{
76 return __machine__kernel_map(machine, MAP__FUNCTION);
77}
78
79int machine__get_kernel_start(struct machine *machine);
80
81static inline u64 machine__kernel_start(struct machine *machine)
82{
83 if (!machine->kernel_start)
84 machine__get_kernel_start(machine);
85 return machine->kernel_start;
86}
87
88static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
89{
90 u64 kernel_start = machine__kernel_start(machine);
91
92 return ip >= kernel_start;
93}
94
95struct thread *machine__find_thread(struct machine *machine, pid_t pid,
96 pid_t tid);
97struct comm *machine__thread_exec_comm(struct machine *machine,
98 struct thread *thread);
99
100int machine__process_comm_event(struct machine *machine, union perf_event *event,
101 struct perf_sample *sample);
102int machine__process_exit_event(struct machine *machine, union perf_event *event,
103 struct perf_sample *sample);
104int machine__process_fork_event(struct machine *machine, union perf_event *event,
105 struct perf_sample *sample);
106int machine__process_lost_event(struct machine *machine, union perf_event *event,
107 struct perf_sample *sample);
108int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
109 struct perf_sample *sample);
110int machine__process_aux_event(struct machine *machine,
111 union perf_event *event);
112int machine__process_itrace_start_event(struct machine *machine,
113 union perf_event *event);
114int machine__process_switch_event(struct machine *machine,
115 union perf_event *event);
116int machine__process_namespaces_event(struct machine *machine,
117 union perf_event *event,
118 struct perf_sample *sample);
119int machine__process_mmap_event(struct machine *machine, union perf_event *event,
120 struct perf_sample *sample);
121int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
122 struct perf_sample *sample);
123int machine__process_event(struct machine *machine, union perf_event *event,
124 struct perf_sample *sample);
125
126typedef void (*machine__process_t)(struct machine *machine, void *data);
127
128struct machines {
129 struct machine host;
130 struct rb_root guests;
131};
132
133void machines__init(struct machines *machines);
134void machines__exit(struct machines *machines);
135
136void machines__process_guests(struct machines *machines,
137 machine__process_t process, void *data);
138
139struct machine *machines__add(struct machines *machines, pid_t pid,
140 const char *root_dir);
141struct machine *machines__find_host(struct machines *machines);
142struct machine *machines__find(struct machines *machines, pid_t pid);
143struct machine *machines__findnew(struct machines *machines, pid_t pid);
144
145void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
146void machines__set_comm_exec(struct machines *machines, bool comm_exec);
147
148struct machine *machine__new_host(void);
149struct machine *machine__new_kallsyms(void);
150int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
151void machine__exit(struct machine *machine);
152void machine__delete_threads(struct machine *machine);
153void machine__delete(struct machine *machine);
154void machine__remove_thread(struct machine *machine, struct thread *th);
155
156struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
157 struct addr_location *al);
158struct mem_info *sample__resolve_mem(struct perf_sample *sample,
159 struct addr_location *al);
160
161struct callchain_cursor;
162
163int thread__resolve_callchain(struct thread *thread,
164 struct callchain_cursor *cursor,
165 struct perf_evsel *evsel,
166 struct perf_sample *sample,
167 struct symbol **parent,
168 struct addr_location *root_al,
169 int max_stack);
170
171/*
172 * Default guest kernel is defined by parameter --guestkallsyms
173 * and --guestmodules
174 */
175static inline bool machine__is_default_guest(struct machine *machine)
176{
177 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
178}
179
180static inline bool machine__is_host(struct machine *machine)
181{
182 return machine ? machine->pid == HOST_KERNEL_ID : false;
183}
184
185struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
186struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
187
188struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
189
190size_t machine__fprintf(struct machine *machine, FILE *fp);
191
192static inline
193struct symbol *machine__find_kernel_symbol(struct machine *machine,
194 enum map_type type, u64 addr,
195 struct map **mapp)
196{
197 return map_groups__find_symbol(&machine->kmaps, type, addr, mapp);
198}
199
200static inline
201struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
202 enum map_type type, const char *name,
203 struct map **mapp)
204{
205 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, mapp);
206}
207
208static inline
209struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
210 struct map **mapp)
211{
212 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
213 mapp);
214}
215
216static inline
217struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
218 const char *name,
219 struct map **mapp)
220{
221 return map_groups__find_function_by_name(&machine->kmaps, name, mapp);
222}
223
224struct map *machine__findnew_module_map(struct machine *machine, u64 start,
225 const char *filename);
226int arch__fix_module_text_start(u64 *start, const char *name);
227
228int machine__load_kallsyms(struct machine *machine, const char *filename,
229 enum map_type type);
230int machine__load_vmlinux_path(struct machine *machine, enum map_type type);
231
232size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
233 bool (skip)(struct dso *dso, int parm), int parm);
234size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
235size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
236 bool (skip)(struct dso *dso, int parm), int parm);
237
238void machine__destroy_kernel_maps(struct machine *machine);
239int machine__create_kernel_maps(struct machine *machine);
240
241int machines__create_kernel_maps(struct machines *machines, pid_t pid);
242int machines__create_guest_kernel_maps(struct machines *machines);
243void machines__destroy_kernel_maps(struct machines *machines);
244
245size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
246
247int machine__for_each_thread(struct machine *machine,
248 int (*fn)(struct thread *thread, void *p),
249 void *priv);
250int machines__for_each_thread(struct machines *machines,
251 int (*fn)(struct thread *thread, void *p),
252 void *priv);
253
254int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
255 struct target *target, struct thread_map *threads,
256 perf_event__handler_t process, bool data_mmap,
257 unsigned int proc_map_timeout,
258 unsigned int nr_threads_synthesize);
259static inline
260int machine__synthesize_threads(struct machine *machine, struct target *target,
261 struct thread_map *threads, bool data_mmap,
262 unsigned int proc_map_timeout,
263 unsigned int nr_threads_synthesize)
264{
265 return __machine__synthesize_threads(machine, NULL, target, threads,
266 perf_event__process, data_mmap,
267 proc_map_timeout,
268 nr_threads_synthesize);
269}
270
271pid_t machine__get_current_tid(struct machine *machine, int cpu);
272int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
273 pid_t tid);
274/*
275 * For use with libtraceevent's pevent_set_function_resolver()
276 */
277char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
278
279#endif /* __PERF_MACHINE_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_MACHINE_H
3#define __PERF_MACHINE_H
4
5#include <sys/types.h>
6#include <linux/rbtree.h>
7#include "maps.h"
8#include "dsos.h"
9#include "rwsem.h"
10
11struct addr_location;
12struct branch_stack;
13struct dso;
14struct dso_id;
15struct evsel;
16struct perf_sample;
17struct symbol;
18struct target;
19struct thread;
20union perf_event;
21struct machines;
22
23/* Native host kernel uses -1 as pid index in machine */
24#define HOST_KERNEL_ID (-1)
25#define DEFAULT_GUEST_KERNEL_ID (0)
26
27extern const char *ref_reloc_sym_names[];
28
29struct vdso_info;
30
31#define THREADS__TABLE_BITS 8
32#define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS)
33
34struct threads {
35 struct rb_root_cached entries;
36 struct rw_semaphore lock;
37 unsigned int nr;
38 struct list_head dead;
39 struct thread *last_match;
40};
41
42struct machine {
43 struct rb_node rb_node;
44 pid_t pid;
45 u16 id_hdr_size;
46 bool comm_exec;
47 bool kptr_restrict_warned;
48 bool single_address_space;
49 char *root_dir;
50 char *mmap_name;
51 char *kallsyms_filename;
52 struct threads threads[THREADS__TABLE_SIZE];
53 struct vdso_info *vdso_info;
54 struct perf_env *env;
55 struct dsos dsos;
56 struct maps *kmaps;
57 struct map *vmlinux_map;
58 u64 kernel_start;
59 struct {
60 u64 text_start;
61 u64 text_end;
62 } sched, lock;
63 pid_t *current_tid;
64 size_t current_tid_sz;
65 union { /* Tool specific area */
66 void *priv;
67 u64 db_id;
68 };
69 struct machines *machines;
70 bool trampolines_mapped;
71};
72
73static inline struct threads *machine__threads(struct machine *machine, pid_t tid)
74{
75 /* Cast it to handle tid == -1 */
76 return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE];
77}
78
79/*
80 * The main kernel (vmlinux) map
81 */
82static inline
83struct map *machine__kernel_map(struct machine *machine)
84{
85 return machine->vmlinux_map;
86}
87
88/*
89 * kernel (the one returned by machine__kernel_map()) plus kernel modules maps
90 */
91static inline
92struct maps *machine__kernel_maps(struct machine *machine)
93{
94 return machine->kmaps;
95}
96
97int machine__get_kernel_start(struct machine *machine);
98
99static inline u64 machine__kernel_start(struct machine *machine)
100{
101 if (!machine->kernel_start)
102 machine__get_kernel_start(machine);
103 return machine->kernel_start;
104}
105
106static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
107{
108 u64 kernel_start = machine__kernel_start(machine);
109
110 return ip >= kernel_start;
111}
112
113u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr);
114
115struct thread *machine__find_thread(struct machine *machine, pid_t pid,
116 pid_t tid);
117struct thread *machine__idle_thread(struct machine *machine);
118struct comm *machine__thread_exec_comm(struct machine *machine,
119 struct thread *thread);
120
121int machine__process_comm_event(struct machine *machine, union perf_event *event,
122 struct perf_sample *sample);
123int machine__process_exit_event(struct machine *machine, union perf_event *event,
124 struct perf_sample *sample);
125int machine__process_fork_event(struct machine *machine, union perf_event *event,
126 struct perf_sample *sample);
127int machine__process_lost_event(struct machine *machine, union perf_event *event,
128 struct perf_sample *sample);
129int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
130 struct perf_sample *sample);
131int machine__process_aux_event(struct machine *machine,
132 union perf_event *event);
133int machine__process_itrace_start_event(struct machine *machine,
134 union perf_event *event);
135int machine__process_aux_output_hw_id_event(struct machine *machine,
136 union perf_event *event);
137int machine__process_switch_event(struct machine *machine,
138 union perf_event *event);
139int machine__process_namespaces_event(struct machine *machine,
140 union perf_event *event,
141 struct perf_sample *sample);
142int machine__process_cgroup_event(struct machine *machine,
143 union perf_event *event,
144 struct perf_sample *sample);
145int machine__process_mmap_event(struct machine *machine, union perf_event *event,
146 struct perf_sample *sample);
147int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
148 struct perf_sample *sample);
149int machine__process_ksymbol(struct machine *machine,
150 union perf_event *event,
151 struct perf_sample *sample);
152int machine__process_text_poke(struct machine *machine,
153 union perf_event *event,
154 struct perf_sample *sample);
155int machine__process_event(struct machine *machine, union perf_event *event,
156 struct perf_sample *sample);
157
158typedef void (*machine__process_t)(struct machine *machine, void *data);
159
160struct machines {
161 struct machine host;
162 struct rb_root_cached guests;
163};
164
165void machines__init(struct machines *machines);
166void machines__exit(struct machines *machines);
167
168void machines__process_guests(struct machines *machines,
169 machine__process_t process, void *data);
170
171struct machine *machines__add(struct machines *machines, pid_t pid,
172 const char *root_dir);
173struct machine *machines__find(struct machines *machines, pid_t pid);
174struct machine *machines__findnew(struct machines *machines, pid_t pid);
175struct machine *machines__find_guest(struct machines *machines, pid_t pid);
176struct thread *machines__findnew_guest_code(struct machines *machines, pid_t pid);
177struct thread *machine__findnew_guest_code(struct machine *machine, pid_t pid);
178
179void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
180void machines__set_comm_exec(struct machines *machines, bool comm_exec);
181
182struct machine *machine__new_host(void);
183struct machine *machine__new_kallsyms(void);
184int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
185void machine__exit(struct machine *machine);
186void machine__delete_threads(struct machine *machine);
187void machine__delete(struct machine *machine);
188void machine__remove_thread(struct machine *machine, struct thread *th);
189
190struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
191 struct addr_location *al);
192struct mem_info *sample__resolve_mem(struct perf_sample *sample,
193 struct addr_location *al);
194
195struct callchain_cursor;
196
197int thread__resolve_callchain(struct thread *thread,
198 struct callchain_cursor *cursor,
199 struct evsel *evsel,
200 struct perf_sample *sample,
201 struct symbol **parent,
202 struct addr_location *root_al,
203 int max_stack);
204
205/*
206 * Default guest kernel is defined by parameter --guestkallsyms
207 * and --guestmodules
208 */
209static inline bool machine__is_default_guest(struct machine *machine)
210{
211 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
212}
213
214static inline bool machine__is_host(struct machine *machine)
215{
216 return machine ? machine->pid == HOST_KERNEL_ID : false;
217}
218
219bool machine__is_lock_function(struct machine *machine, u64 addr);
220bool machine__is(struct machine *machine, const char *arch);
221bool machine__normalized_is(struct machine *machine, const char *arch);
222int machine__nr_cpus_avail(struct machine *machine);
223
224struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
225struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
226
227struct dso *machine__findnew_dso_id(struct machine *machine, const char *filename, struct dso_id *id);
228struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
229
230size_t machine__fprintf(struct machine *machine, FILE *fp);
231
232static inline
233struct symbol *machine__find_kernel_symbol(struct machine *machine, u64 addr,
234 struct map **mapp)
235{
236 return maps__find_symbol(machine->kmaps, addr, mapp);
237}
238
239static inline
240struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
241 const char *name,
242 struct map **mapp)
243{
244 return maps__find_symbol_by_name(machine->kmaps, name, mapp);
245}
246
247int arch__fix_module_text_start(u64 *start, u64 *size, const char *name);
248
249int machine__load_kallsyms(struct machine *machine, const char *filename);
250
251int machine__load_vmlinux_path(struct machine *machine);
252
253size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
254 bool (skip)(struct dso *dso, int parm), int parm);
255size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
256size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
257 bool (skip)(struct dso *dso, int parm), int parm);
258
259void machine__destroy_kernel_maps(struct machine *machine);
260int machine__create_kernel_maps(struct machine *machine);
261
262int machines__create_kernel_maps(struct machines *machines, pid_t pid);
263int machines__create_guest_kernel_maps(struct machines *machines);
264void machines__destroy_kernel_maps(struct machines *machines);
265
266size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
267
268typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void *priv);
269
270int machine__for_each_dso(struct machine *machine, machine__dso_t fn,
271 void *priv);
272
273typedef int (*machine__map_t)(struct map *map, void *priv);
274int machine__for_each_kernel_map(struct machine *machine, machine__map_t fn,
275 void *priv);
276
277int machine__for_each_thread(struct machine *machine,
278 int (*fn)(struct thread *thread, void *p),
279 void *priv);
280int machines__for_each_thread(struct machines *machines,
281 int (*fn)(struct thread *thread, void *p),
282 void *priv);
283
284pid_t machine__get_current_tid(struct machine *machine, int cpu);
285int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
286 pid_t tid);
287/*
288 * For use with libtraceevent's tep_set_function_resolver()
289 */
290char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
291
292void machine__get_kallsyms_filename(struct machine *machine, char *buf,
293 size_t bufsz);
294
295int machine__create_extra_kernel_maps(struct machine *machine,
296 struct dso *kernel);
297
298/* Kernel-space maps for symbols that are outside the main kernel map and module maps */
299struct extra_kernel_map {
300 u64 start;
301 u64 end;
302 u64 pgoff;
303 char name[KMAP_NAME_LEN];
304};
305
306int machine__create_extra_kernel_map(struct machine *machine,
307 struct dso *kernel,
308 struct extra_kernel_map *xm);
309
310int machine__map_x86_64_entry_trampolines(struct machine *machine,
311 struct dso *kernel);
312
313int machine__resolve(struct machine *machine, struct addr_location *al,
314 struct perf_sample *sample);
315
316#endif /* __PERF_MACHINE_H */