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 #include "event.h"
   8
   9 struct addr_location;
  10 struct branch_stack;
  11 struct perf_evsel;
  12 struct perf_sample;
  13 struct symbol;
  14 struct thread;
  15 union 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
  21 extern const char *ref_reloc_sym_names[];
  22
  23 struct 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
  38 static inline
  39 struct map *machine__kernel_map(struct machine *machine, enum map_type type)
  40 {
  41         return machine->vmlinux_maps[type];
  42 }
  43
  44 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
  45                                     pid_t tid);
  46
  47 int machine__process_comm_event(struct machine *machine, union perf_event *event,
  48                                 struct perf_sample *sample);
  49 int machine__process_exit_event(struct machine *machine, union perf_event *event,
  50                                 struct perf_sample *sample);
  51 int machine__process_fork_event(struct machine *machine, union perf_event *event,
  52                                 struct perf_sample *sample);
  53 int machine__process_lost_event(struct machine *machine, union perf_event *event,
  54                                 struct perf_sample *sample);
  55 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
  56                                 struct perf_sample *sample);
  57 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
  58                                  struct perf_sample *sample);
  59 int machine__process_event(struct machine *machine, union perf_event *event,
  60                                 struct perf_sample *sample);
  61
  62 typedef void (*machine__process_t)(struct machine *machine, void *data);
  63
  64 struct machines {
  65         struct machine host;
  66         struct rb_root guests;
  67         symbol_filter_t symbol_filter;
  68 };
  69
  70 void machines__init(struct machines *machines);
  71 void machines__exit(struct machines *machines);
  72
  73 void machines__process_guests(struct machines *machines,
  74                               machine__process_t process, void *data);
  75
  76 struct machine *machines__add(struct machines *machines, pid_t pid,
  77                               const char *root_dir);
  78 struct machine *machines__find_host(struct machines *machines);
  79 struct machine *machines__find(struct machines *machines, pid_t pid);
  80 struct machine *machines__findnew(struct machines *machines, pid_t pid);
  81
  82 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
  83 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
  84
  85 void machines__set_symbol_filter(struct machines *machines,
  86                                  symbol_filter_t symbol_filter);
  87
  88 struct machine *machine__new_host(void);
  89 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
  90 void machine__exit(struct machine *machine);
  91 void machine__delete_dead_threads(struct machine *machine);
  92 void machine__delete_threads(struct machine *machine);
  93 void machine__delete(struct machine *machine);
  94
  95 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
  96                                            struct addr_location *al);
  97 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
  98                                      struct addr_location *al);
  99 int 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  */
 111 static inline bool machine__is_default_guest(struct machine *machine)
 112 {
 113         return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
 114 }
 115
 116 static inline bool machine__is_host(struct machine *machine)
 117 {
 118         return machine ? machine->pid == HOST_KERNEL_ID : false;
 119 }
 120
 121 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
 122                                        pid_t tid);
 123
 124 size_t machine__fprintf(struct machine *machine, FILE *fp);
 125
 126 static inline
 127 struct 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
 136 static inline
 137 struct 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
 145 static inline
 146 struct 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
 155 struct map *machine__new_module(struct machine *machine, u64 start,
 156                                 const char *filename);
 157
 158 int machine__load_kallsyms(struct machine *machine, const char *filename,
 159                            enum map_type type, symbol_filter_t filter);
 160 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
 161                                symbol_filter_t filter);
 162
 163 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
 164                                      bool (skip)(struct dso *dso, int parm), int parm);
 165 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
 166 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
 167                                      bool (skip)(struct dso *dso, int parm), int parm);
 168
 169 void machine__destroy_kernel_maps(struct machine *machine);
 170 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
 171 int machine__create_kernel_maps(struct machine *machine);
 172
 173 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
 174 int machines__create_guest_kernel_maps(struct machines *machines);
 175 void machines__destroy_kernel_maps(struct machines *machines);
 176
 177 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
 178
 179 int machine__for_each_thread(struct machine *machine,
 180                              int (*fn)(struct thread *thread, void *p),
 181                              void *priv);
 182
 183 int __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);
 186 static inline
 187 int 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 */