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	struct list_head  dead_threads;
34	struct thread	  *last_match;
35	struct vdso_info  *vdso_info;
36	struct dsos	  user_dsos;
37	struct dsos	  kernel_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_mmap_event(struct machine *machine, union perf_event *event,
85				struct perf_sample *sample);
86int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
87				 struct perf_sample *sample);
88int machine__process_event(struct machine *machine, union perf_event *event,
89				struct perf_sample *sample);
90
91typedef void (*machine__process_t)(struct machine *machine, void *data);
92
93struct machines {
94	struct machine host;
95	struct rb_root guests;
96	symbol_filter_t symbol_filter;
97};
98
99void machines__init(struct machines *machines);
100void machines__exit(struct machines *machines);
101
102void machines__process_guests(struct machines *machines,
103			      machine__process_t process, void *data);
104
105struct machine *machines__add(struct machines *machines, pid_t pid,
106			      const char *root_dir);
107struct machine *machines__find_host(struct machines *machines);
108struct machine *machines__find(struct machines *machines, pid_t pid);
109struct machine *machines__findnew(struct machines *machines, pid_t pid);
110
111void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
112char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
113
114void machines__set_symbol_filter(struct machines *machines,
115				 symbol_filter_t symbol_filter);
116void machines__set_comm_exec(struct machines *machines, bool comm_exec);
117
118struct machine *machine__new_host(void);
119int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
120void machine__exit(struct machine *machine);
121void machine__delete_threads(struct machine *machine);
122void machine__delete(struct machine *machine);
123void machine__remove_thread(struct machine *machine, struct thread *th);
124
125struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
126					   struct addr_location *al);
127struct mem_info *sample__resolve_mem(struct perf_sample *sample,
128				     struct addr_location *al);
129int thread__resolve_callchain(struct thread *thread,
130			      struct perf_evsel *evsel,
131			      struct perf_sample *sample,
132			      struct symbol **parent,
133			      struct addr_location *root_al,
134			      int max_stack);
135
136/*
137 * Default guest kernel is defined by parameter --guestkallsyms
138 * and --guestmodules
139 */
140static inline bool machine__is_default_guest(struct machine *machine)
141{
142	return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
143}
144
145static inline bool machine__is_host(struct machine *machine)
146{
147	return machine ? machine->pid == HOST_KERNEL_ID : false;
148}
149
150struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
151				       pid_t tid);
152
153size_t machine__fprintf(struct machine *machine, FILE *fp);
154
155static inline
156struct symbol *machine__find_kernel_symbol(struct machine *machine,
157					   enum map_type type, u64 addr,
158					   struct map **mapp,
159					   symbol_filter_t filter)
160{
161	return map_groups__find_symbol(&machine->kmaps, type, addr,
162				       mapp, filter);
163}
164
165static inline
166struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
167					     struct map **mapp,
168					     symbol_filter_t filter)
169{
170	return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
171					   mapp, filter);
172}
173
174static inline
175struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
176						     const char *name,
177						     struct map **mapp,
178						     symbol_filter_t filter)
179{
180	return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
181						 filter);
182}
183
184struct map *machine__new_module(struct machine *machine, u64 start,
185				const char *filename);
186
187int machine__load_kallsyms(struct machine *machine, const char *filename,
188			   enum map_type type, symbol_filter_t filter);
189int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
190			       symbol_filter_t filter);
191
192size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
193				     bool (skip)(struct dso *dso, int parm), int parm);
194size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
195size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
196				     bool (skip)(struct dso *dso, int parm), int parm);
197
198void machine__destroy_kernel_maps(struct machine *machine);
199int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
200int machine__create_kernel_maps(struct machine *machine);
201
202int machines__create_kernel_maps(struct machines *machines, pid_t pid);
203int machines__create_guest_kernel_maps(struct machines *machines);
204void machines__destroy_kernel_maps(struct machines *machines);
205
206size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
207
208int machine__for_each_thread(struct machine *machine,
209			     int (*fn)(struct thread *thread, void *p),
210			     void *priv);
211
212int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
213				  struct target *target, struct thread_map *threads,
214				  perf_event__handler_t process, bool data_mmap);
215static inline
216int machine__synthesize_threads(struct machine *machine, struct target *target,
217				struct thread_map *threads, bool data_mmap)
218{
219	return __machine__synthesize_threads(machine, NULL, target, threads,
220					     perf_event__process, data_mmap);
221}
222
223pid_t machine__get_current_tid(struct machine *machine, int cpu);
224int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
225			     pid_t tid);
226
227#endif /* __PERF_MACHINE_H */
228