1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_MACHINE_H
3 #define __PERF_MACHINE_H
6 #include <linux/rbtree.h>
24 /* Native host kernel uses -1 as pid index in machine */
25 #define HOST_KERNEL_ID (-1)
26 #define DEFAULT_GUEST_KERNEL_ID (0)
28 extern const char *ref_reloc_sym_names[];
33 struct rb_node rb_node;
37 bool kptr_restrict_warned;
38 bool single_address_space;
41 char *kallsyms_filename;
42 struct threads threads;
43 struct vdso_info *vdso_info;
47 struct map *vmlinux_map;
54 size_t current_tid_sz;
55 union { /* Tool specific area */
59 struct machines *machines;
60 bool trampolines_mapped;
64 * The main kernel (vmlinux) map
67 struct map *machine__kernel_map(struct machine *machine)
69 return machine->vmlinux_map;
73 * kernel (the one returned by machine__kernel_map()) plus kernel modules maps
76 struct maps *machine__kernel_maps(struct machine *machine)
78 return machine->kmaps;
81 int machine__get_kernel_start(struct machine *machine);
83 static inline u64 machine__kernel_start(struct machine *machine)
85 if (!machine->kernel_start)
86 machine__get_kernel_start(machine);
87 return machine->kernel_start;
90 static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
92 u64 kernel_start = machine__kernel_start(machine);
94 return ip >= kernel_start;
97 u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr);
99 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
101 struct thread *machine__idle_thread(struct machine *machine);
102 struct comm *machine__thread_exec_comm(struct machine *machine,
103 struct thread *thread);
105 int machine__process_comm_event(struct machine *machine, union perf_event *event,
106 struct perf_sample *sample);
107 int machine__process_exit_event(struct machine *machine, union perf_event *event,
108 struct perf_sample *sample);
109 int machine__process_fork_event(struct machine *machine, union perf_event *event,
110 struct perf_sample *sample);
111 int machine__process_lost_event(struct machine *machine, union perf_event *event,
112 struct perf_sample *sample);
113 int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
114 struct perf_sample *sample);
115 int machine__process_aux_event(struct machine *machine,
116 union perf_event *event);
117 int machine__process_itrace_start_event(struct machine *machine,
118 union perf_event *event);
119 int machine__process_aux_output_hw_id_event(struct machine *machine,
120 union perf_event *event);
121 int machine__process_switch_event(struct machine *machine,
122 union perf_event *event);
123 int machine__process_namespaces_event(struct machine *machine,
124 union perf_event *event,
125 struct perf_sample *sample);
126 int machine__process_cgroup_event(struct machine *machine,
127 union perf_event *event,
128 struct perf_sample *sample);
129 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
130 struct perf_sample *sample);
131 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
132 struct perf_sample *sample);
133 int machine__process_ksymbol(struct machine *machine,
134 union perf_event *event,
135 struct perf_sample *sample);
136 int machine__process_text_poke(struct machine *machine,
137 union perf_event *event,
138 struct perf_sample *sample);
139 int machine__process_event(struct machine *machine, union perf_event *event,
140 struct perf_sample *sample);
142 typedef void (*machine__process_t)(struct machine *machine, void *data);
146 struct rb_root_cached guests;
149 void machines__init(struct machines *machines);
150 void machines__exit(struct machines *machines);
152 void machines__process_guests(struct machines *machines,
153 machine__process_t process, void *data);
155 struct machine *machines__add(struct machines *machines, pid_t pid,
156 const char *root_dir);
157 struct machine *machines__find(struct machines *machines, pid_t pid);
158 struct machine *machines__findnew(struct machines *machines, pid_t pid);
159 struct machine *machines__find_guest(struct machines *machines, pid_t pid);
160 struct thread *machines__findnew_guest_code(struct machines *machines, pid_t pid);
161 struct thread *machine__findnew_guest_code(struct machine *machine, pid_t pid);
163 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
164 void machines__set_comm_exec(struct machines *machines, bool comm_exec);
166 struct machine *machine__new_host(void);
167 struct machine *machine__new_kallsyms(void);
168 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
169 void machine__exit(struct machine *machine);
170 void machine__delete_threads(struct machine *machine);
171 void machine__delete(struct machine *machine);
172 void machine__remove_thread(struct machine *machine, struct thread *th);
174 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
175 struct addr_location *al);
176 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
177 struct addr_location *al);
179 struct callchain_cursor;
181 int thread__resolve_callchain(struct thread *thread,
182 struct callchain_cursor *cursor,
184 struct perf_sample *sample,
185 struct symbol **parent,
186 struct addr_location *root_al,
190 * Default guest kernel is defined by parameter --guestkallsyms
193 static inline bool machine__is_default_guest(struct machine *machine)
195 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
198 static inline bool machine__is_host(struct machine *machine)
200 return machine ? machine->pid == HOST_KERNEL_ID : false;
203 bool machine__is_lock_function(struct machine *machine, u64 addr);
204 bool machine__is(struct machine *machine, const char *arch);
205 bool machine__normalized_is(struct machine *machine, const char *arch);
206 int machine__nr_cpus_avail(struct machine *machine);
208 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
210 struct dso *machine__findnew_dso_id(struct machine *machine, const char *filename, struct dso_id *id);
211 struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
213 size_t machine__fprintf(struct machine *machine, FILE *fp);
216 struct symbol *machine__find_kernel_symbol(struct machine *machine, u64 addr,
219 return maps__find_symbol(machine->kmaps, addr, mapp);
223 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
227 return maps__find_symbol_by_name(machine->kmaps, name, mapp);
230 int arch__fix_module_text_start(u64 *start, u64 *size, const char *name);
232 int machine__load_kallsyms(struct machine *machine, const char *filename);
234 int machine__load_vmlinux_path(struct machine *machine);
236 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
237 bool (skip)(struct dso *dso, int parm), int parm);
238 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
239 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
240 bool (skip)(struct dso *dso, int parm), int parm);
242 void machine__destroy_kernel_maps(struct machine *machine);
243 int machine__create_kernel_maps(struct machine *machine);
245 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
246 int machines__create_guest_kernel_maps(struct machines *machines);
247 void machines__destroy_kernel_maps(struct machines *machines);
249 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
251 typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void *priv);
253 int machine__for_each_dso(struct machine *machine, machine__dso_t fn,
256 typedef int (*machine__map_t)(struct map *map, void *priv);
257 int machine__for_each_kernel_map(struct machine *machine, machine__map_t fn,
260 int machine__for_each_thread(struct machine *machine,
261 int (*fn)(struct thread *thread, void *p),
263 int machines__for_each_thread(struct machines *machines,
264 int (*fn)(struct thread *thread, void *p),
268 struct list_head list;
269 struct thread *thread;
272 /* Make a list of struct thread_list based on threads in the machine. */
273 int machine__thread_list(struct machine *machine, struct list_head *list);
274 /* Free up the nodes within the thread_list list. */
275 void thread_list__delete(struct list_head *list);
277 pid_t machine__get_current_tid(struct machine *machine, int cpu);
278 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
281 * For use with libtraceevent's tep_set_function_resolver()
283 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
285 void machine__get_kallsyms_filename(struct machine *machine, char *buf,
288 int machine__create_extra_kernel_maps(struct machine *machine,
291 /* Kernel-space maps for symbols that are outside the main kernel map and module maps */
292 struct extra_kernel_map {
296 char name[KMAP_NAME_LEN];
299 int machine__create_extra_kernel_map(struct machine *machine,
301 struct extra_kernel_map *xm);
303 int machine__map_x86_64_entry_trampolines(struct machine *machine,
306 int machine__resolve(struct machine *machine, struct addr_location *al,
307 struct perf_sample *sample);
309 #endif /* __PERF_MACHINE_H */