tools/perf/util/machine.h

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