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         pid_t             *current_tid;
  37 };
  38
  39 static inline
  40 struct map *machine__kernel_map(struct machine *machine, enum map_type type)
  41 {
  42         return machine->vmlinux_maps[type];
  43 }
  44
  45 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
  46                                     pid_t tid);
  47
  48 int machine__process_comm_event(struct machine *machine, union perf_event *event,
  49                                 struct perf_sample *sample);
  50 int machine__process_exit_event(struct machine *machine, union perf_event *event,
  51                                 struct perf_sample *sample);
  52 int machine__process_fork_event(struct machine *machine, union perf_event *event,
  53                                 struct perf_sample *sample);
  54 int machine__process_lost_event(struct machine *machine, union perf_event *event,
  55                                 struct perf_sample *sample);
  56 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
  57                                 struct perf_sample *sample);
  58 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
  59                                  struct perf_sample *sample);
  60 int machine__process_event(struct machine *machine, union perf_event *event,
  61                                 struct perf_sample *sample);
  62
  63 typedef void (*machine__process_t)(struct machine *machine, void *data);
  64
  65 struct machines {
  66         struct machine host;
  67         struct rb_root guests;
  68         symbol_filter_t symbol_filter;
  69 };
  70
  71 void machines__init(struct machines *machines);
  72 void machines__exit(struct machines *machines);
  73
  74 void machines__process_guests(struct machines *machines,
  75                               machine__process_t process, void *data);
  76
  77 struct machine *machines__add(struct machines *machines, pid_t pid,
  78                               const char *root_dir);
  79 struct machine *machines__find_host(struct machines *machines);
  80 struct machine *machines__find(struct machines *machines, pid_t pid);
  81 struct machine *machines__findnew(struct machines *machines, pid_t pid);
  82
  83 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
  84 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
  85
  86 void machines__set_symbol_filter(struct machines *machines,
  87                                  symbol_filter_t symbol_filter);
  88
  89 struct machine *machine__new_host(void);
  90 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
  91 void machine__exit(struct machine *machine);
  92 void machine__delete_dead_threads(struct machine *machine);
  93 void machine__delete_threads(struct machine *machine);
  94 void machine__delete(struct machine *machine);
  95
  96 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
  97                                            struct addr_location *al);
  98 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
  99                                      struct addr_location *al);
 100 int 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  */
 112 static inline bool machine__is_default_guest(struct machine *machine)
 113 {
 114         return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
 115 }
 116
 117 static inline bool machine__is_host(struct machine *machine)
 118 {
 119         return machine ? machine->pid == HOST_KERNEL_ID : false;
 120 }
 121
 122 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
 123                                        pid_t tid);
 124
 125 size_t machine__fprintf(struct machine *machine, FILE *fp);
 126
 127 static inline
 128 struct 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
 137 static inline
 138 struct 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
 146 static inline
 147 struct 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
 156 struct map *machine__new_module(struct machine *machine, u64 start,
 157                                 const char *filename);
 158
 159 int machine__load_kallsyms(struct machine *machine, const char *filename,
 160                            enum map_type type, symbol_filter_t filter);
 161 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
 162                                symbol_filter_t filter);
 163
 164 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
 165                                      bool (skip)(struct dso *dso, int parm), int parm);
 166 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
 167 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
 168                                      bool (skip)(struct dso *dso, int parm), int parm);
 169
 170 void machine__destroy_kernel_maps(struct machine *machine);
 171 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
 172 int machine__create_kernel_maps(struct machine *machine);
 173
 174 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
 175 int machines__create_guest_kernel_maps(struct machines *machines);
 176 void machines__destroy_kernel_maps(struct machines *machines);
 177
 178 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
 179
 180 int machine__for_each_thread(struct machine *machine,
 181                              int (*fn)(struct thread *thread, void *p),
 182                              void *priv);
 183
 184 int __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);
 187 static inline
 188 int 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 pid_t machine__get_current_tid(struct machine *machine, int cpu);
 196 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
 197                              pid_t tid);
 198
 199 #endif /* __PERF_MACHINE_H */