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