1
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
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_map;
53 u64 kernel_start;
54 pid_t *current_tid;
55 union {
56 void *priv;
57 u64 db_id;
58 };
59 bool trampolines_mapped;
60};
61
62static inline struct threads *machine__threads(struct machine *machine, pid_t tid)
63{
64
65 return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE];
66}
67
68
69
70
71static inline
72struct map *machine__kernel_map(struct machine *machine)
73{
74 return machine->vmlinux_map;
75}
76
77
78
79
80static inline
81struct maps *machine__kernel_maps(struct machine *machine)
82{
83 return &machine->kmaps.maps;
84}
85
86int machine__get_kernel_start(struct machine *machine);
87
88static inline u64 machine__kernel_start(struct machine *machine)
89{
90 if (!machine->kernel_start)
91 machine__get_kernel_start(machine);
92 return machine->kernel_start;
93}
94
95static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
96{
97 u64 kernel_start = machine__kernel_start(machine);
98
99 return ip >= kernel_start;
100}
101
102struct thread *machine__find_thread(struct machine *machine, pid_t pid,
103 pid_t tid);
104struct comm *machine__thread_exec_comm(struct machine *machine,
105 struct thread *thread);
106
107int machine__process_comm_event(struct machine *machine, union perf_event *event,
108 struct perf_sample *sample);
109int machine__process_exit_event(struct machine *machine, union perf_event *event,
110 struct perf_sample *sample);
111int machine__process_fork_event(struct machine *machine, union perf_event *event,
112 struct perf_sample *sample);
113int machine__process_lost_event(struct machine *machine, union perf_event *event,
114 struct perf_sample *sample);
115int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
116 struct perf_sample *sample);
117int machine__process_aux_event(struct machine *machine,
118 union perf_event *event);
119int machine__process_itrace_start_event(struct machine *machine,
120 union perf_event *event);
121int machine__process_switch_event(struct machine *machine,
122 union perf_event *event);
123int machine__process_namespaces_event(struct machine *machine,
124 union perf_event *event,
125 struct perf_sample *sample);
126int machine__process_mmap_event(struct machine *machine, union perf_event *event,
127 struct perf_sample *sample);
128int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
129 struct perf_sample *sample);
130int machine__process_event(struct machine *machine, union perf_event *event,
131 struct perf_sample *sample);
132
133typedef void (*machine__process_t)(struct machine *machine, void *data);
134
135struct machines {
136 struct machine host;
137 struct rb_root guests;
138};
139
140void machines__init(struct machines *machines);
141void machines__exit(struct machines *machines);
142
143void machines__process_guests(struct machines *machines,
144 machine__process_t process, void *data);
145
146struct machine *machines__add(struct machines *machines, pid_t pid,
147 const char *root_dir);
148struct machine *machines__find_host(struct machines *machines);
149struct machine *machines__find(struct machines *machines, pid_t pid);
150struct machine *machines__findnew(struct machines *machines, pid_t pid);
151
152void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
153void machines__set_comm_exec(struct machines *machines, bool comm_exec);
154
155struct machine *machine__new_host(void);
156struct machine *machine__new_kallsyms(void);
157int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
158void machine__exit(struct machine *machine);
159void machine__delete_threads(struct machine *machine);
160void machine__delete(struct machine *machine);
161void machine__remove_thread(struct machine *machine, struct thread *th);
162
163struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
164 struct addr_location *al);
165struct mem_info *sample__resolve_mem(struct perf_sample *sample,
166 struct addr_location *al);
167
168struct callchain_cursor;
169
170int thread__resolve_callchain(struct thread *thread,
171 struct callchain_cursor *cursor,
172 struct perf_evsel *evsel,
173 struct perf_sample *sample,
174 struct symbol **parent,
175 struct addr_location *root_al,
176 int max_stack);
177
178
179
180
181
182static inline bool machine__is_default_guest(struct machine *machine)
183{
184 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
185}
186
187static inline bool machine__is_host(struct machine *machine)
188{
189 return machine ? machine->pid == HOST_KERNEL_ID : false;
190}
191
192bool machine__is(struct machine *machine, const char *arch);
193int machine__nr_cpus_avail(struct machine *machine);
194
195struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
196struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
197
198struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
199
200size_t machine__fprintf(struct machine *machine, FILE *fp);
201
202static inline
203struct symbol *machine__find_kernel_symbol(struct machine *machine, u64 addr,
204 struct map **mapp)
205{
206 return map_groups__find_symbol(&machine->kmaps, addr, mapp);
207}
208
209static inline
210struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
211 const char *name,
212 struct map **mapp)
213{
214 return map_groups__find_symbol_by_name(&machine->kmaps, name, mapp);
215}
216
217struct map *machine__findnew_module_map(struct machine *machine, u64 start,
218 const char *filename);
219int arch__fix_module_text_start(u64 *start, const char *name);
220
221int machine__load_kallsyms(struct machine *machine, const char *filename);
222
223int machine__load_vmlinux_path(struct machine *machine);
224
225size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
226 bool (skip)(struct dso *dso, int parm), int parm);
227size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
228size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
229 bool (skip)(struct dso *dso, int parm), int parm);
230
231void machine__destroy_kernel_maps(struct machine *machine);
232int machine__create_kernel_maps(struct machine *machine);
233
234int machines__create_kernel_maps(struct machines *machines, pid_t pid);
235int machines__create_guest_kernel_maps(struct machines *machines);
236void machines__destroy_kernel_maps(struct machines *machines);
237
238size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
239
240int machine__for_each_thread(struct machine *machine,
241 int (*fn)(struct thread *thread, void *p),
242 void *priv);
243int machines__for_each_thread(struct machines *machines,
244 int (*fn)(struct thread *thread, void *p),
245 void *priv);
246
247int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
248 struct target *target, struct thread_map *threads,
249 perf_event__handler_t process, bool data_mmap,
250 unsigned int proc_map_timeout,
251 unsigned int nr_threads_synthesize);
252static inline
253int machine__synthesize_threads(struct machine *machine, struct target *target,
254 struct thread_map *threads, bool data_mmap,
255 unsigned int proc_map_timeout,
256 unsigned int nr_threads_synthesize)
257{
258 return __machine__synthesize_threads(machine, NULL, target, threads,
259 perf_event__process, data_mmap,
260 proc_map_timeout,
261 nr_threads_synthesize);
262}
263
264pid_t machine__get_current_tid(struct machine *machine, int cpu);
265int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
266 pid_t tid);
267
268
269
270char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
271
272void machine__get_kallsyms_filename(struct machine *machine, char *buf,
273 size_t bufsz);
274
275int machine__create_extra_kernel_maps(struct machine *machine,
276 struct dso *kernel);
277
278
279struct extra_kernel_map {
280 u64 start;
281 u64 end;
282 u64 pgoff;
283 char name[KMAP_NAME_LEN];
284};
285
286int machine__create_extra_kernel_map(struct machine *machine,
287 struct dso *kernel,
288 struct extra_kernel_map *xm);
289
290int machine__map_x86_64_entry_trampolines(struct machine *machine,
291 struct dso *kernel);
292
293#endif
294