Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
10struct addr_location;
11struct branch_stack;
12struct perf_evsel;
13struct perf_sample;
14struct symbol;
15struct thread;
16union 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
22extern const char *ref_reloc_sym_names[];
23
24struct vdso_info;
25
26struct 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 pthread_rwlock_t threads_lock;
34 struct list_head dead_threads;
35 struct thread *last_match;
36 struct vdso_info *vdso_info;
37 struct dsos 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 union { /* Tool specific area */
44 void *priv;
45 u64 db_id;
46 };
47};
48
49static inline
50struct map *machine__kernel_map(struct machine *machine, enum map_type type)
51{
52 return machine->vmlinux_maps[type];
53}
54
55int machine__get_kernel_start(struct machine *machine);
56
57static inline u64 machine__kernel_start(struct machine *machine)
58{
59 if (!machine->kernel_start)
60 machine__get_kernel_start(machine);
61 return machine->kernel_start;
62}
63
64static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
65{
66 u64 kernel_start = machine__kernel_start(machine);
67
68 return ip >= kernel_start;
69}
70
71struct thread *machine__find_thread(struct machine *machine, pid_t pid,
72 pid_t tid);
73struct comm *machine__thread_exec_comm(struct machine *machine,
74 struct thread *thread);
75
76int machine__process_comm_event(struct machine *machine, union perf_event *event,
77 struct perf_sample *sample);
78int machine__process_exit_event(struct machine *machine, union perf_event *event,
79 struct perf_sample *sample);
80int machine__process_fork_event(struct machine *machine, union perf_event *event,
81 struct perf_sample *sample);
82int machine__process_lost_event(struct machine *machine, union perf_event *event,
83 struct perf_sample *sample);
84int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
85 struct perf_sample *sample);
86int machine__process_aux_event(struct machine *machine,
87 union perf_event *event);
88int machine__process_itrace_start_event(struct machine *machine,
89 union perf_event *event);
90int machine__process_mmap_event(struct machine *machine, union perf_event *event,
91 struct perf_sample *sample);
92int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
93 struct perf_sample *sample);
94int machine__process_event(struct machine *machine, union perf_event *event,
95 struct perf_sample *sample);
96
97typedef void (*machine__process_t)(struct machine *machine, void *data);
98
99struct machines {
100 struct machine host;
101 struct rb_root guests;
102 symbol_filter_t symbol_filter;
103};
104
105void machines__init(struct machines *machines);
106void machines__exit(struct machines *machines);
107
108void machines__process_guests(struct machines *machines,
109 machine__process_t process, void *data);
110
111struct machine *machines__add(struct machines *machines, pid_t pid,
112 const char *root_dir);
113struct machine *machines__find_host(struct machines *machines);
114struct machine *machines__find(struct machines *machines, pid_t pid);
115struct machine *machines__findnew(struct machines *machines, pid_t pid);
116
117void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
118char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
119
120void machines__set_symbol_filter(struct machines *machines,
121 symbol_filter_t symbol_filter);
122void machines__set_comm_exec(struct machines *machines, bool comm_exec);
123
124struct machine *machine__new_host(void);
125int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
126void machine__exit(struct machine *machine);
127void machine__delete_threads(struct machine *machine);
128void machine__delete(struct machine *machine);
129void machine__remove_thread(struct machine *machine, struct thread *th);
130
131struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
132 struct addr_location *al);
133struct mem_info *sample__resolve_mem(struct perf_sample *sample,
134 struct addr_location *al);
135int thread__resolve_callchain(struct thread *thread,
136 struct perf_evsel *evsel,
137 struct perf_sample *sample,
138 struct symbol **parent,
139 struct addr_location *root_al,
140 int max_stack);
141
142/*
143 * Default guest kernel is defined by parameter --guestkallsyms
144 * and --guestmodules
145 */
146static inline bool machine__is_default_guest(struct machine *machine)
147{
148 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
149}
150
151static inline bool machine__is_host(struct machine *machine)
152{
153 return machine ? machine->pid == HOST_KERNEL_ID : false;
154}
155
156struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
157struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
158
159struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
160
161size_t machine__fprintf(struct machine *machine, FILE *fp);
162
163static inline
164struct symbol *machine__find_kernel_symbol(struct machine *machine,
165 enum map_type type, u64 addr,
166 struct map **mapp,
167 symbol_filter_t filter)
168{
169 return map_groups__find_symbol(&machine->kmaps, type, addr,
170 mapp, filter);
171}
172
173static inline
174struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
175 struct map **mapp,
176 symbol_filter_t filter)
177{
178 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
179 mapp, filter);
180}
181
182static inline
183struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
184 const char *name,
185 struct map **mapp,
186 symbol_filter_t filter)
187{
188 return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
189 filter);
190}
191
192struct map *machine__findnew_module_map(struct machine *machine, u64 start,
193 const char *filename);
194
195int machine__load_kallsyms(struct machine *machine, const char *filename,
196 enum map_type type, symbol_filter_t filter);
197int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
198 symbol_filter_t filter);
199
200size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
201 bool (skip)(struct dso *dso, int parm), int parm);
202size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
203size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
204 bool (skip)(struct dso *dso, int parm), int parm);
205
206void machine__destroy_kernel_maps(struct machine *machine);
207int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
208int machine__create_kernel_maps(struct machine *machine);
209
210int machines__create_kernel_maps(struct machines *machines, pid_t pid);
211int machines__create_guest_kernel_maps(struct machines *machines);
212void machines__destroy_kernel_maps(struct machines *machines);
213
214size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
215
216int machine__for_each_thread(struct machine *machine,
217 int (*fn)(struct thread *thread, void *p),
218 void *priv);
219int machines__for_each_thread(struct machines *machines,
220 int (*fn)(struct thread *thread, void *p),
221 void *priv);
222
223int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
224 struct target *target, struct thread_map *threads,
225 perf_event__handler_t process, bool data_mmap,
226 unsigned int proc_map_timeout);
227static inline
228int machine__synthesize_threads(struct machine *machine, struct target *target,
229 struct thread_map *threads, bool data_mmap,
230 unsigned int proc_map_timeout)
231{
232 return __machine__synthesize_threads(machine, NULL, target, threads,
233 perf_event__process, data_mmap,
234 proc_map_timeout);
235}
236
237pid_t machine__get_current_tid(struct machine *machine, int cpu);
238int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
239 pid_t tid);
240
241#endif /* __PERF_MACHINE_H */