1 #ifndef __PERF_MACHINE_H
2 #define __PERF_MACHINE_H
5 #include <linux/rbtree.h>
18 /* Native host kernel uses -1 as pid index in machine */
19 #define HOST_KERNEL_ID (-1)
20 #define DEFAULT_GUEST_KERNEL_ID (0)
22 extern const char *ref_reloc_sym_names[];
27 struct rb_node rb_node;
31 bool kptr_restrict_warned;
33 struct rb_root threads;
34 pthread_rwlock_t threads_lock;
35 unsigned int nr_threads;
36 struct list_head dead_threads;
37 struct thread *last_match;
38 struct vdso_info *vdso_info;
41 struct map_groups kmaps;
42 struct map *vmlinux_maps[MAP__NR_TYPES];
45 union { /* Tool specific area */
52 struct map *__machine__kernel_map(struct machine *machine, enum map_type type)
54 return machine->vmlinux_maps[type];
58 struct map *machine__kernel_map(struct machine *machine)
60 return __machine__kernel_map(machine, MAP__FUNCTION);
63 int machine__get_kernel_start(struct machine *machine);
65 static inline u64 machine__kernel_start(struct machine *machine)
67 if (!machine->kernel_start)
68 machine__get_kernel_start(machine);
69 return machine->kernel_start;
72 static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
74 u64 kernel_start = machine__kernel_start(machine);
76 return ip >= kernel_start;
79 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
81 struct comm *machine__thread_exec_comm(struct machine *machine,
82 struct thread *thread);
84 int machine__process_comm_event(struct machine *machine, union perf_event *event,
85 struct perf_sample *sample);
86 int machine__process_exit_event(struct machine *machine, union perf_event *event,
87 struct perf_sample *sample);
88 int machine__process_fork_event(struct machine *machine, union perf_event *event,
89 struct perf_sample *sample);
90 int machine__process_lost_event(struct machine *machine, union perf_event *event,
91 struct perf_sample *sample);
92 int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
93 struct perf_sample *sample);
94 int machine__process_aux_event(struct machine *machine,
95 union perf_event *event);
96 int machine__process_itrace_start_event(struct machine *machine,
97 union perf_event *event);
98 int machine__process_switch_event(struct machine *machine,
99 union perf_event *event);
100 int machine__process_namespaces_event(struct machine *machine,
101 union perf_event *event,
102 struct perf_sample *sample);
103 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
104 struct perf_sample *sample);
105 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
106 struct perf_sample *sample);
107 int machine__process_event(struct machine *machine, union perf_event *event,
108 struct perf_sample *sample);
110 typedef void (*machine__process_t)(struct machine *machine, void *data);
114 struct rb_root guests;
117 void machines__init(struct machines *machines);
118 void machines__exit(struct machines *machines);
120 void machines__process_guests(struct machines *machines,
121 machine__process_t process, void *data);
123 struct machine *machines__add(struct machines *machines, pid_t pid,
124 const char *root_dir);
125 struct machine *machines__find_host(struct machines *machines);
126 struct machine *machines__find(struct machines *machines, pid_t pid);
127 struct machine *machines__findnew(struct machines *machines, pid_t pid);
129 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
130 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
132 void machines__set_comm_exec(struct machines *machines, bool comm_exec);
134 struct machine *machine__new_host(void);
135 struct machine *machine__new_kallsyms(void);
136 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
137 void machine__exit(struct machine *machine);
138 void machine__delete_threads(struct machine *machine);
139 void machine__delete(struct machine *machine);
140 void machine__remove_thread(struct machine *machine, struct thread *th);
142 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
143 struct addr_location *al);
144 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
145 struct addr_location *al);
147 struct callchain_cursor;
149 int thread__resolve_callchain(struct thread *thread,
150 struct callchain_cursor *cursor,
151 struct perf_evsel *evsel,
152 struct perf_sample *sample,
153 struct symbol **parent,
154 struct addr_location *root_al,
158 * Default guest kernel is defined by parameter --guestkallsyms
161 static inline bool machine__is_default_guest(struct machine *machine)
163 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
166 static inline bool machine__is_host(struct machine *machine)
168 return machine ? machine->pid == HOST_KERNEL_ID : false;
171 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
172 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
174 struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
176 size_t machine__fprintf(struct machine *machine, FILE *fp);
179 struct symbol *machine__find_kernel_symbol(struct machine *machine,
180 enum map_type type, u64 addr,
183 return map_groups__find_symbol(&machine->kmaps, type, addr, mapp);
187 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
188 enum map_type type, const char *name,
191 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, mapp);
195 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
198 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
203 struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
207 return map_groups__find_function_by_name(&machine->kmaps, name, mapp);
210 struct map *machine__findnew_module_map(struct machine *machine, u64 start,
211 const char *filename);
212 int arch__fix_module_text_start(u64 *start, const char *name);
214 int __machine__load_kallsyms(struct machine *machine, const char *filename,
215 enum map_type type, bool no_kcore);
216 int machine__load_kallsyms(struct machine *machine, const char *filename,
218 int machine__load_vmlinux_path(struct machine *machine, enum map_type type);
220 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
221 bool (skip)(struct dso *dso, int parm), int parm);
222 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
223 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
224 bool (skip)(struct dso *dso, int parm), int parm);
226 void machine__destroy_kernel_maps(struct machine *machine);
227 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
228 int machine__create_kernel_maps(struct machine *machine);
230 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
231 int machines__create_guest_kernel_maps(struct machines *machines);
232 void machines__destroy_kernel_maps(struct machines *machines);
234 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
236 int machine__for_each_thread(struct machine *machine,
237 int (*fn)(struct thread *thread, void *p),
239 int machines__for_each_thread(struct machines *machines,
240 int (*fn)(struct thread *thread, void *p),
243 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
244 struct target *target, struct thread_map *threads,
245 perf_event__handler_t process, bool data_mmap,
246 unsigned int proc_map_timeout);
248 int machine__synthesize_threads(struct machine *machine, struct target *target,
249 struct thread_map *threads, bool data_mmap,
250 unsigned int proc_map_timeout)
252 return __machine__synthesize_threads(machine, NULL, target, threads,
253 perf_event__process, data_mmap,
257 pid_t machine__get_current_tid(struct machine *machine, int cpu);
258 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
261 * For use with libtraceevent's pevent_set_function_resolver()
263 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
265 #endif /* __PERF_MACHINE_H */