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 "dso.h"
8 #include "event.h"
9
10 struct addr_location;
11 struct branch_stack;
12 struct perf_evsel;
13 struct perf_sample;
14 struct symbol;
15 struct thread;
16 union perf_event;
17
18 /* Native host kernel uses -1 as pid index in machine */
19 #define HOST_KERNEL_ID (-1)
20 #define DEFAULT_GUEST_KERNEL_ID (0)
21
22 extern const char *ref_reloc_sym_names[];
23
24 struct vdso_info;
25
26 struct machine {
27 struct rb_node rb_node;
28 pid_t pid;
29 u16 id_hdr_size;
30 bool comm_exec;
31 char *root_dir;
32 struct rb_root threads;
33 struct list_head dead_threads;
34 struct thread *last_match;
35 struct vdso_info *vdso_info;
36 struct dsos user_dsos;
37 struct dsos kernel_dsos;
38 struct map_groups kmaps;
39 struct map *vmlinux_maps[MAP__NR_TYPES];
40 u64 kernel_start;
41 symbol_filter_t symbol_filter;
42 pid_t *current_tid;
43 };
44
45 static inline
machine__kernel_map(struct machine * machine,enum map_type type)46 struct map *machine__kernel_map(struct machine *machine, enum map_type type)
47 {
48 return machine->vmlinux_maps[type];
49 }
50
51 int machine__get_kernel_start(struct machine *machine);
52
machine__kernel_start(struct machine * machine)53 static inline u64 machine__kernel_start(struct machine *machine)
54 {
55 if (!machine->kernel_start)
56 machine__get_kernel_start(machine);
57 return machine->kernel_start;
58 }
59
machine__kernel_ip(struct machine * machine,u64 ip)60 static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
61 {
62 u64 kernel_start = machine__kernel_start(machine);
63
64 return ip >= kernel_start;
65 }
66
67 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
68 pid_t tid);
69 struct comm *machine__thread_exec_comm(struct machine *machine,
70 struct thread *thread);
71
72 int machine__process_comm_event(struct machine *machine, union perf_event *event,
73 struct perf_sample *sample);
74 int machine__process_exit_event(struct machine *machine, union perf_event *event,
75 struct perf_sample *sample);
76 int machine__process_fork_event(struct machine *machine, union perf_event *event,
77 struct perf_sample *sample);
78 int machine__process_lost_event(struct machine *machine, union perf_event *event,
79 struct perf_sample *sample);
80 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
81 struct perf_sample *sample);
82 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
83 struct perf_sample *sample);
84 int machine__process_event(struct machine *machine, union perf_event *event,
85 struct perf_sample *sample);
86
87 typedef void (*machine__process_t)(struct machine *machine, void *data);
88
89 struct machines {
90 struct machine host;
91 struct rb_root guests;
92 symbol_filter_t symbol_filter;
93 };
94
95 void machines__init(struct machines *machines);
96 void machines__exit(struct machines *machines);
97
98 void machines__process_guests(struct machines *machines,
99 machine__process_t process, void *data);
100
101 struct machine *machines__add(struct machines *machines, pid_t pid,
102 const char *root_dir);
103 struct machine *machines__find_host(struct machines *machines);
104 struct machine *machines__find(struct machines *machines, pid_t pid);
105 struct machine *machines__findnew(struct machines *machines, pid_t pid);
106
107 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
108 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
109
110 void machines__set_symbol_filter(struct machines *machines,
111 symbol_filter_t symbol_filter);
112 void machines__set_comm_exec(struct machines *machines, bool comm_exec);
113
114 struct machine *machine__new_host(void);
115 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
116 void machine__exit(struct machine *machine);
117 void machine__delete_dead_threads(struct machine *machine);
118 void machine__delete_threads(struct machine *machine);
119 void machine__delete(struct machine *machine);
120
121 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
122 struct addr_location *al);
123 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
124 struct addr_location *al);
125 int machine__resolve_callchain(struct machine *machine,
126 struct perf_evsel *evsel,
127 struct thread *thread,
128 struct perf_sample *sample,
129 struct symbol **parent,
130 struct addr_location *root_al,
131 int max_stack);
132
133 /*
134 * Default guest kernel is defined by parameter --guestkallsyms
135 * and --guestmodules
136 */
machine__is_default_guest(struct machine * machine)137 static inline bool machine__is_default_guest(struct machine *machine)
138 {
139 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
140 }
141
machine__is_host(struct machine * machine)142 static inline bool machine__is_host(struct machine *machine)
143 {
144 return machine ? machine->pid == HOST_KERNEL_ID : false;
145 }
146
147 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
148 pid_t tid);
149
150 size_t machine__fprintf(struct machine *machine, FILE *fp);
151
152 static inline
machine__find_kernel_symbol(struct machine * machine,enum map_type type,u64 addr,struct map ** mapp,symbol_filter_t filter)153 struct symbol *machine__find_kernel_symbol(struct machine *machine,
154 enum map_type type, u64 addr,
155 struct map **mapp,
156 symbol_filter_t filter)
157 {
158 return map_groups__find_symbol(&machine->kmaps, type, addr,
159 mapp, filter);
160 }
161
162 static inline
machine__find_kernel_function(struct machine * machine,u64 addr,struct map ** mapp,symbol_filter_t filter)163 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
164 struct map **mapp,
165 symbol_filter_t filter)
166 {
167 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
168 mapp, filter);
169 }
170
171 static inline
machine__find_kernel_function_by_name(struct machine * machine,const char * name,struct map ** mapp,symbol_filter_t filter)172 struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
173 const char *name,
174 struct map **mapp,
175 symbol_filter_t filter)
176 {
177 return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
178 filter);
179 }
180
181 struct map *machine__new_module(struct machine *machine, u64 start,
182 const char *filename);
183
184 int machine__load_kallsyms(struct machine *machine, const char *filename,
185 enum map_type type, symbol_filter_t filter);
186 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
187 symbol_filter_t filter);
188
189 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
190 bool (skip)(struct dso *dso, int parm), int parm);
191 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
192 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
193 bool (skip)(struct dso *dso, int parm), int parm);
194
195 void machine__destroy_kernel_maps(struct machine *machine);
196 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
197 int machine__create_kernel_maps(struct machine *machine);
198
199 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
200 int machines__create_guest_kernel_maps(struct machines *machines);
201 void machines__destroy_kernel_maps(struct machines *machines);
202
203 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
204
205 int machine__for_each_thread(struct machine *machine,
206 int (*fn)(struct thread *thread, void *p),
207 void *priv);
208
209 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
210 struct target *target, struct thread_map *threads,
211 perf_event__handler_t process, bool data_mmap);
212 static inline
machine__synthesize_threads(struct machine * machine,struct target * target,struct thread_map * threads,bool data_mmap)213 int machine__synthesize_threads(struct machine *machine, struct target *target,
214 struct thread_map *threads, bool data_mmap)
215 {
216 return __machine__synthesize_threads(machine, NULL, target, threads,
217 perf_event__process, data_mmap);
218 }
219
220 pid_t machine__get_current_tid(struct machine *machine, int cpu);
221 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
222 pid_t tid);
223
224 #endif /* __PERF_MACHINE_H */
225