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 struct machine {
  22         struct rb_node    rb_node;
  23         pid_t             pid;
  24         u16               id_hdr_size;
  25         char              *root_dir;
  26         struct rb_root    threads;
  27         struct list_head  dead_threads;
  28         struct thread     *last_match;
  29         struct list_head  user_dsos;
  30         struct list_head  kernel_dsos;
  31         struct map_groups kmaps;
  32         struct map        *vmlinux_maps[MAP__NR_TYPES];
  33         symbol_filter_t   symbol_filter;
  34 };
  35
  36 static inline
  37 struct map *machine__kernel_map(struct machine *machine, enum map_type type)
  38 {
  39         return machine->vmlinux_maps[type];
  40 }
  41
  42 struct thread *machine__find_thread(struct machine *machine, pid_t tid);
  43
  44 int machine__process_comm_event(struct machine *machine, union perf_event *event,
  45                                 struct perf_sample *sample);
  46 int machine__process_exit_event(struct machine *machine, union perf_event *event,
  47                                 struct perf_sample *sample);
  48 int machine__process_fork_event(struct machine *machine, union perf_event *event,
  49                                 struct perf_sample *sample);
  50 int machine__process_lost_event(struct machine *machine, union perf_event *event,
  51                                 struct perf_sample *sample);
  52 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
  53                                 struct perf_sample *sample);
  54 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
  55                                  struct perf_sample *sample);
  56 int machine__process_event(struct machine *machine, union perf_event *event,
  57                                 struct perf_sample *sample);
  58
  59 typedef void (*machine__process_t)(struct machine *machine, void *data);
  60
  61 struct machines {
  62         struct machine host;
  63         struct rb_root guests;
  64         symbol_filter_t symbol_filter;
  65 };
  66
  67 void machines__init(struct machines *machines);
  68 void machines__exit(struct machines *machines);
  69
  70 void machines__process_guests(struct machines *machines,
  71                               machine__process_t process, void *data);
  72
  73 struct machine *machines__add(struct machines *machines, pid_t pid,
  74                               const char *root_dir);
  75 struct machine *machines__find_host(struct machines *machines);
  76 struct machine *machines__find(struct machines *machines, pid_t pid);
  77 struct machine *machines__findnew(struct machines *machines, pid_t pid);
  78
  79 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
  80 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
  81
  82 void machines__set_symbol_filter(struct machines *machines,
  83                                  symbol_filter_t symbol_filter);
  84
  85 struct machine *machine__new_host(void);
  86 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
  87 void machine__exit(struct machine *machine);
  88 void machine__delete_dead_threads(struct machine *machine);
  89 void machine__delete_threads(struct machine *machine);
  90 void machine__delete(struct machine *machine);
  91
  92 struct branch_info *machine__resolve_bstack(struct machine *machine,
  93                                             struct thread *thread,
  94                                             struct branch_stack *bs);
  95 struct mem_info *machine__resolve_mem(struct machine *machine,
  96                                       struct thread *thread,
  97                                       struct perf_sample *sample, u8 cpumode);
  98 int machine__resolve_callchain(struct machine *machine,
  99                                struct perf_evsel *evsel,
 100                                struct thread *thread,
 101                                struct perf_sample *sample,
 102                                struct symbol **parent,
 103                                struct addr_location *root_al,
 104                                int max_stack);
 105
 106 /*
 107  * Default guest kernel is defined by parameter --guestkallsyms
 108  * and --guestmodules
 109  */
 110 static inline bool machine__is_default_guest(struct machine *machine)
 111 {
 112         return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
 113 }
 114
 115 static inline bool machine__is_host(struct machine *machine)
 116 {
 117         return machine ? machine->pid == HOST_KERNEL_ID : false;
 118 }
 119
 120 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
 121                                        pid_t tid);
 122
 123 size_t machine__fprintf(struct machine *machine, FILE *fp);
 124
 125 static inline
 126 struct symbol *machine__find_kernel_symbol(struct machine *machine,
 127                                            enum map_type type, u64 addr,
 128                                            struct map **mapp,
 129                                            symbol_filter_t filter)
 130 {
 131         return map_groups__find_symbol(&machine->kmaps, type, addr,
 132                                        mapp, filter);
 133 }
 134
 135 static inline
 136 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
 137                                              struct map **mapp,
 138                                              symbol_filter_t filter)
 139 {
 140         return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
 141                                            mapp, filter);
 142 }
 143
 144 static inline
 145 struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
 146                                                      const char *name,
 147                                                      struct map **mapp,
 148                                                      symbol_filter_t filter)
 149 {
 150         return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
 151                                                  filter);
 152 }
 153
 154 struct map *machine__new_module(struct machine *machine, u64 start,
 155                                 const char *filename);
 156
 157 int machine__load_kallsyms(struct machine *machine, const char *filename,
 158                            enum map_type type, symbol_filter_t filter);
 159 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
 160                                symbol_filter_t filter);
 161
 162 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
 163                                      bool (skip)(struct dso *dso, int parm), int parm);
 164 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
 165 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
 166                                      bool (skip)(struct dso *dso, int parm), int parm);
 167
 168 void machine__destroy_kernel_maps(struct machine *machine);
 169 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
 170 int machine__create_kernel_maps(struct machine *machine);
 171
 172 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
 173 int machines__create_guest_kernel_maps(struct machines *machines);
 174 void machines__destroy_kernel_maps(struct machines *machines);
 175
 176 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
 177
 178 int machine__for_each_thread(struct machine *machine,
 179                              int (*fn)(struct thread *thread, void *p),
 180                              void *priv);
 181
 182 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
 183                                   struct target *target, struct thread_map *threads,
 184                                   perf_event__handler_t process, bool data_mmap);
 185 static inline
 186 int machine__synthesize_threads(struct machine *machine, struct target *target,
 187                                 struct thread_map *threads, bool data_mmap)
 188 {
 189         return __machine__synthesize_threads(machine, NULL, target, threads,
 190                                              perf_event__process, data_mmap);
 191 }
 192
 193 #endif /* __PERF_MACHINE_H */