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