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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
8struct branch_stack;
9struct perf_evsel;
10struct perf_sample;
11struct symbol;
12struct thread;
13union perf_event;
14
15/* Native host kernel uses -1 as pid index in machine */
16#define HOST_KERNEL_ID (-1)
17#define DEFAULT_GUEST_KERNEL_ID (0)
18
19struct machine {
20 struct rb_node rb_node;
21 pid_t pid;
22 u16 id_hdr_size;
23 char *root_dir;
24 struct rb_root threads;
25 struct list_head dead_threads;
26 struct thread *last_match;
27 struct list_head user_dsos;
28 struct list_head kernel_dsos;
29 struct map_groups kmaps;
30 struct map *vmlinux_maps[MAP__NR_TYPES];
31};
32
33static inline
34struct map *machine__kernel_map(struct machine *machine, enum map_type type)
35{
36 return machine->vmlinux_maps[type];
37}
38
39struct thread *machine__find_thread(struct machine *machine, pid_t pid);
40
41int machine__process_comm_event(struct machine *machine, union perf_event *event);
42int machine__process_exit_event(struct machine *machine, union perf_event *event);
43int machine__process_fork_event(struct machine *machine, union perf_event *event);
44int machine__process_lost_event(struct machine *machine, union perf_event *event);
45int machine__process_mmap_event(struct machine *machine, union perf_event *event);
46int machine__process_event(struct machine *machine, union perf_event *event);
47
48typedef void (*machine__process_t)(struct machine *machine, void *data);
49
50struct machines {
51 struct machine host;
52 struct rb_root guests;
53};
54
55void machines__init(struct machines *machines);
56void machines__exit(struct machines *machines);
57
58void machines__process_guests(struct machines *machines,
59 machine__process_t process, void *data);
60
61struct machine *machines__add(struct machines *machines, pid_t pid,
62 const char *root_dir);
63struct machine *machines__find_host(struct machines *machines);
64struct machine *machines__find(struct machines *machines, pid_t pid);
65struct machine *machines__findnew(struct machines *machines, pid_t pid);
66
67void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
68char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
69
70int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
71void machine__exit(struct machine *machine);
72void machine__delete_dead_threads(struct machine *machine);
73void machine__delete_threads(struct machine *machine);
74void machine__delete(struct machine *machine);
75
76struct branch_info *machine__resolve_bstack(struct machine *machine,
77 struct thread *thread,
78 struct branch_stack *bs);
79int machine__resolve_callchain(struct machine *machine,
80 struct perf_evsel *evsel,
81 struct thread *thread,
82 struct perf_sample *sample,
83 struct symbol **parent);
84
85/*
86 * Default guest kernel is defined by parameter --guestkallsyms
87 * and --guestmodules
88 */
89static inline bool machine__is_default_guest(struct machine *machine)
90{
91 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
92}
93
94static inline bool machine__is_host(struct machine *machine)
95{
96 return machine ? machine->pid == HOST_KERNEL_ID : false;
97}
98
99struct thread *machine__findnew_thread(struct machine *machine, pid_t pid);
100void machine__remove_thread(struct machine *machine, struct thread *th);
101
102size_t machine__fprintf(struct machine *machine, FILE *fp);
103
104static inline
105struct symbol *machine__find_kernel_symbol(struct machine *machine,
106 enum map_type type, u64 addr,
107 struct map **mapp,
108 symbol_filter_t filter)
109{
110 return map_groups__find_symbol(&machine->kmaps, type, addr,
111 mapp, filter);
112}
113
114static inline
115struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
116 struct map **mapp,
117 symbol_filter_t filter)
118{
119 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
120 mapp, filter);
121}
122
123static inline
124struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
125 const char *name,
126 struct map **mapp,
127 symbol_filter_t filter)
128{
129 return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
130 filter);
131}
132
133struct map *machine__new_module(struct machine *machine, u64 start,
134 const char *filename);
135
136int machine__load_kallsyms(struct machine *machine, const char *filename,
137 enum map_type type, symbol_filter_t filter);
138int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
139 symbol_filter_t filter);
140
141size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
142 bool (skip)(struct dso *dso, int parm), int parm);
143size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
144size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
145 bool (skip)(struct dso *dso, int parm), int parm);
146
147void machine__destroy_kernel_maps(struct machine *machine);
148int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
149int machine__create_kernel_maps(struct machine *machine);
150
151int machines__create_kernel_maps(struct machines *machines, pid_t pid);
152int machines__create_guest_kernel_maps(struct machines *machines);
153void machines__destroy_kernel_maps(struct machines *machines);
154
155size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
156
157#endif /* __PERF_MACHINE_H */