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[];
26 #define THREADS__TABLE_BITS 8
27 #define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS)
30 struct rb_root entries;
31 pthread_rwlock_t lock;
33 struct list_head dead;
34 struct thread *last_match;
38 struct rb_node rb_node;
42 bool kptr_restrict_warned;
44 struct threads threads[THREADS__TABLE_SIZE];
45 struct vdso_info *vdso_info;
48 struct map_groups kmaps;
49 struct map *vmlinux_maps[MAP__NR_TYPES];
52 union { /* Tool specific area */
58 static inline struct threads *machine__threads(struct machine *machine, pid_t tid)
60 /* Cast it to handle tid == -1 */
61 return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE];
65 struct map *__machine__kernel_map(struct machine *machine, enum map_type type)
67 return machine->vmlinux_maps[type];
71 struct map *machine__kernel_map(struct machine *machine)
73 return __machine__kernel_map(machine, MAP__FUNCTION);
76 int machine__get_kernel_start(struct machine *machine);
78 static inline u64 machine__kernel_start(struct machine *machine)
80 if (!machine->kernel_start)
81 machine__get_kernel_start(machine);
82 return machine->kernel_start;
85 static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
87 u64 kernel_start = machine__kernel_start(machine);
89 return ip >= kernel_start;
92 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
94 struct comm *machine__thread_exec_comm(struct machine *machine,
95 struct thread *thread);
97 int machine__process_comm_event(struct machine *machine, union perf_event *event,
98 struct perf_sample *sample);
99 int machine__process_exit_event(struct machine *machine, union perf_event *event,
100 struct perf_sample *sample);
101 int machine__process_fork_event(struct machine *machine, union perf_event *event,
102 struct perf_sample *sample);
103 int machine__process_lost_event(struct machine *machine, union perf_event *event,
104 struct perf_sample *sample);
105 int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
106 struct perf_sample *sample);
107 int machine__process_aux_event(struct machine *machine,
108 union perf_event *event);
109 int machine__process_itrace_start_event(struct machine *machine,
110 union perf_event *event);
111 int machine__process_switch_event(struct machine *machine,
112 union perf_event *event);
113 int machine__process_namespaces_event(struct machine *machine,
114 union perf_event *event,
115 struct perf_sample *sample);
116 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
117 struct perf_sample *sample);
118 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
119 struct perf_sample *sample);
120 int machine__process_event(struct machine *machine, union perf_event *event,
121 struct perf_sample *sample);
123 typedef void (*machine__process_t)(struct machine *machine, void *data);
127 struct rb_root guests;
130 void machines__init(struct machines *machines);
131 void machines__exit(struct machines *machines);
133 void machines__process_guests(struct machines *machines,
134 machine__process_t process, void *data);
136 struct machine *machines__add(struct machines *machines, pid_t pid,
137 const char *root_dir);
138 struct machine *machines__find_host(struct machines *machines);
139 struct machine *machines__find(struct machines *machines, pid_t pid);
140 struct machine *machines__findnew(struct machines *machines, pid_t pid);
142 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
143 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
145 void machines__set_comm_exec(struct machines *machines, bool comm_exec);
147 struct machine *machine__new_host(void);
148 struct machine *machine__new_kallsyms(void);
149 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
150 void machine__exit(struct machine *machine);
151 void machine__delete_threads(struct machine *machine);
152 void machine__delete(struct machine *machine);
153 void machine__remove_thread(struct machine *machine, struct thread *th);
155 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
156 struct addr_location *al);
157 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
158 struct addr_location *al);
160 struct callchain_cursor;
162 int thread__resolve_callchain(struct thread *thread,
163 struct callchain_cursor *cursor,
164 struct perf_evsel *evsel,
165 struct perf_sample *sample,
166 struct symbol **parent,
167 struct addr_location *root_al,
171 * Default guest kernel is defined by parameter --guestkallsyms
174 static inline bool machine__is_default_guest(struct machine *machine)
176 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
179 static inline bool machine__is_host(struct machine *machine)
181 return machine ? machine->pid == HOST_KERNEL_ID : false;
184 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
185 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
187 struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
189 size_t machine__fprintf(struct machine *machine, FILE *fp);
192 struct symbol *machine__find_kernel_symbol(struct machine *machine,
193 enum map_type type, u64 addr,
196 return map_groups__find_symbol(&machine->kmaps, type, addr, mapp);
200 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
201 enum map_type type, const char *name,
204 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, mapp);
208 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
211 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
216 struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
220 return map_groups__find_function_by_name(&machine->kmaps, name, mapp);
223 struct map *machine__findnew_module_map(struct machine *machine, u64 start,
224 const char *filename);
225 int arch__fix_module_text_start(u64 *start, const char *name);
227 int __machine__load_kallsyms(struct machine *machine, const char *filename,
228 enum map_type type, bool no_kcore);
229 int machine__load_kallsyms(struct machine *machine, const char *filename,
231 int machine__load_vmlinux_path(struct machine *machine, enum map_type type);
233 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
234 bool (skip)(struct dso *dso, int parm), int parm);
235 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
236 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
237 bool (skip)(struct dso *dso, int parm), int parm);
239 void machine__destroy_kernel_maps(struct machine *machine);
240 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
241 int machine__create_kernel_maps(struct machine *machine);
243 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
244 int machines__create_guest_kernel_maps(struct machines *machines);
245 void machines__destroy_kernel_maps(struct machines *machines);
247 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
249 int machine__for_each_thread(struct machine *machine,
250 int (*fn)(struct thread *thread, void *p),
252 int machines__for_each_thread(struct machines *machines,
253 int (*fn)(struct thread *thread, void *p),
256 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
257 struct target *target, struct thread_map *threads,
258 perf_event__handler_t process, bool data_mmap,
259 unsigned int proc_map_timeout);
261 int machine__synthesize_threads(struct machine *machine, struct target *target,
262 struct thread_map *threads, bool data_mmap,
263 unsigned int proc_map_timeout)
265 return __machine__synthesize_threads(machine, NULL, target, threads,
266 perf_event__process, data_mmap,
270 pid_t machine__get_current_tid(struct machine *machine, int cpu);
271 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
274 * For use with libtraceevent's pevent_set_function_resolver()
276 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
278 #endif /* __PERF_MACHINE_H */