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 "event.h"
8
9struct addr_location;
10struct branch_stack;
11struct perf_evsel;
12struct perf_sample;
13struct symbol;
14struct thread;
15union perf_event;
16
17/* Native host kernel uses -1 as pid index in machine */
18#define HOST_KERNEL_ID (-1)
19#define DEFAULT_GUEST_KERNEL_ID (0)
20
21extern const char *ref_reloc_sym_names[];
22
23struct machine {
24 struct rb_node rb_node;
25 pid_t pid;
26 u16 id_hdr_size;
27 char *root_dir;
28 struct rb_root threads;
29 struct list_head dead_threads;
30 struct thread *last_match;
31 struct list_head user_dsos;
32 struct list_head kernel_dsos;
33 struct map_groups kmaps;
34 struct map *vmlinux_maps[MAP__NR_TYPES];
35 symbol_filter_t symbol_filter;
36};
37
38static inline
39struct map *machine__kernel_map(struct machine *machine, enum map_type type)
40{
41 return machine->vmlinux_maps[type];
42}
43
44struct thread *machine__find_thread(struct machine *machine, pid_t tid);
45
46int machine__process_comm_event(struct machine *machine, union perf_event *event,
47 struct perf_sample *sample);
48int machine__process_exit_event(struct machine *machine, union perf_event *event,
49 struct perf_sample *sample);
50int machine__process_fork_event(struct machine *machine, union perf_event *event,
51 struct perf_sample *sample);
52int machine__process_lost_event(struct machine *machine, union perf_event *event,
53 struct perf_sample *sample);
54int machine__process_mmap_event(struct machine *machine, union perf_event *event,
55 struct perf_sample *sample);
56int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
57 struct perf_sample *sample);
58int machine__process_event(struct machine *machine, union perf_event *event,
59 struct perf_sample *sample);
60
61typedef void (*machine__process_t)(struct machine *machine, void *data);
62
63struct machines {
64 struct machine host;
65 struct rb_root guests;
66 symbol_filter_t symbol_filter;
67};
68
69void machines__init(struct machines *machines);
70void machines__exit(struct machines *machines);
71
72void machines__process_guests(struct machines *machines,
73 machine__process_t process, void *data);
74
75struct machine *machines__add(struct machines *machines, pid_t pid,
76 const char *root_dir);
77struct machine *machines__find_host(struct machines *machines);
78struct machine *machines__find(struct machines *machines, pid_t pid);
79struct machine *machines__findnew(struct machines *machines, pid_t pid);
80
81void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
82char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
83
84void machines__set_symbol_filter(struct machines *machines,
85 symbol_filter_t symbol_filter);
86
87struct machine *machine__new_host(void);
88int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
89void machine__exit(struct machine *machine);
90void machine__delete_dead_threads(struct machine *machine);
91void machine__delete_threads(struct machine *machine);
92void machine__delete(struct machine *machine);
93
94struct branch_info *machine__resolve_bstack(struct machine *machine,
95 struct thread *thread,
96 struct branch_stack *bs);
97struct mem_info *machine__resolve_mem(struct machine *machine,
98 struct thread *thread,
99 struct perf_sample *sample, u8 cpumode);
100int machine__resolve_callchain(struct machine *machine,
101 struct perf_evsel *evsel,
102 struct thread *thread,
103 struct perf_sample *sample,
104 struct symbol **parent,
105 struct addr_location *root_al,
106 int max_stack);
107
108/*
109 * Default guest kernel is defined by parameter --guestkallsyms
110 * and --guestmodules
111 */
112static inline bool machine__is_default_guest(struct machine *machine)
113{
114 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
115}
116
117static inline bool machine__is_host(struct machine *machine)
118{
119 return machine ? machine->pid == HOST_KERNEL_ID : false;
120}
121
122struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
123 pid_t tid);
124
125size_t machine__fprintf(struct machine *machine, FILE *fp);
126
127static inline
128struct symbol *machine__find_kernel_symbol(struct machine *machine,
129 enum map_type type, u64 addr,
130 struct map **mapp,
131 symbol_filter_t filter)
132{
133 return map_groups__find_symbol(&machine->kmaps, type, addr,
134 mapp, filter);
135}
136
137static inline
138struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
139 struct map **mapp,
140 symbol_filter_t filter)
141{
142 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
143 mapp, filter);
144}
145
146static inline
147struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
148 const char *name,
149 struct map **mapp,
150 symbol_filter_t filter)
151{
152 return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
153 filter);
154}
155
156struct map *machine__new_module(struct machine *machine, u64 start,
157 const char *filename);
158
159int machine__load_kallsyms(struct machine *machine, const char *filename,
160 enum map_type type, symbol_filter_t filter);
161int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
162 symbol_filter_t filter);
163
164size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
165 bool (skip)(struct dso *dso, int parm), int parm);
166size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
167size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
168 bool (skip)(struct dso *dso, int parm), int parm);
169
170void machine__destroy_kernel_maps(struct machine *machine);
171int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
172int machine__create_kernel_maps(struct machine *machine);
173
174int machines__create_kernel_maps(struct machines *machines, pid_t pid);
175int machines__create_guest_kernel_maps(struct machines *machines);
176void machines__destroy_kernel_maps(struct machines *machines);
177
178size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
179
180int machine__for_each_thread(struct machine *machine,
181 int (*fn)(struct thread *thread, void *p),
182 void *priv);
183
184int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
185 struct target *target, struct thread_map *threads,
186 perf_event__handler_t process, bool data_mmap);
187static inline
188int machine__synthesize_threads(struct machine *machine, struct target *target,
189 struct thread_map *threads, bool data_mmap)
190{
191 return __machine__synthesize_threads(machine, NULL, target, threads,
192 perf_event__process, data_mmap);
193}
194
195#endif /* __PERF_MACHINE_H */