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 vdso_info;
  24
  25 struct machine {
  26         struct rb_node    rb_node;
  27         pid_t             pid;
  28         u16               id_hdr_size;
  29         bool              comm_exec;
  30         char              *root_dir;
  31         struct rb_root    threads;
  32         struct list_head  dead_threads;
  33         struct thread     *last_match;
  34         struct vdso_info  *vdso_info;
  35         struct list_head  user_dsos;
  36         struct list_head  kernel_dsos;
  37         struct map_groups kmaps;
  38         struct map        *vmlinux_maps[MAP__NR_TYPES];
  39         symbol_filter_t   symbol_filter;
  40         pid_t             *current_tid;
  41 };
  42
  43 static inline
  44 struct map *machine__kernel_map(struct machine *machine, enum map_type type)
  45 {
  46         return machine->vmlinux_maps[type];
  47 }
  48
  49 struct thread *machine__find_thread(struct machine *machine, pid_t pid,
  50                                     pid_t tid);
  51 struct comm *machine__thread_exec_comm(struct machine *machine,
  52                                        struct thread *thread);
  53
  54 int machine__process_comm_event(struct machine *machine, union perf_event *event,
  55                                 struct perf_sample *sample);
  56 int machine__process_exit_event(struct machine *machine, union perf_event *event,
  57                                 struct perf_sample *sample);
  58 int machine__process_fork_event(struct machine *machine, union perf_event *event,
  59                                 struct perf_sample *sample);
  60 int machine__process_lost_event(struct machine *machine, union perf_event *event,
  61                                 struct perf_sample *sample);
  62 int machine__process_mmap_event(struct machine *machine, union perf_event *event,
  63                                 struct perf_sample *sample);
  64 int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
  65                                  struct perf_sample *sample);
  66 int machine__process_event(struct machine *machine, union perf_event *event,
  67                                 struct perf_sample *sample);
  68
  69 typedef void (*machine__process_t)(struct machine *machine, void *data);
  70
  71 struct machines {
  72         struct machine host;
  73         struct rb_root guests;
  74         symbol_filter_t symbol_filter;
  75 };
  76
  77 void machines__init(struct machines *machines);
  78 void machines__exit(struct machines *machines);
  79
  80 void machines__process_guests(struct machines *machines,
  81                               machine__process_t process, void *data);
  82
  83 struct machine *machines__add(struct machines *machines, pid_t pid,
  84                               const char *root_dir);
  85 struct machine *machines__find_host(struct machines *machines);
  86 struct machine *machines__find(struct machines *machines, pid_t pid);
  87 struct machine *machines__findnew(struct machines *machines, pid_t pid);
  88
  89 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
  90 char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
  91
  92 void machines__set_symbol_filter(struct machines *machines,
  93                                  symbol_filter_t symbol_filter);
  94 void machines__set_comm_exec(struct machines *machines, bool comm_exec);
  95
  96 struct machine *machine__new_host(void);
  97 int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
  98 void machine__exit(struct machine *machine);
  99 void machine__delete_dead_threads(struct machine *machine);
 100 void machine__delete_threads(struct machine *machine);
 101 void machine__delete(struct machine *machine);
 102
 103 struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
 104                                            struct addr_location *al);
 105 struct mem_info *sample__resolve_mem(struct perf_sample *sample,
 106                                      struct addr_location *al);
 107 int machine__resolve_callchain(struct machine *machine,
 108                                struct perf_evsel *evsel,
 109                                struct thread *thread,
 110                                struct perf_sample *sample,
 111                                struct symbol **parent,
 112                                struct addr_location *root_al,
 113                                int max_stack);
 114
 115 /*
 116  * Default guest kernel is defined by parameter --guestkallsyms
 117  * and --guestmodules
 118  */
 119 static inline bool machine__is_default_guest(struct machine *machine)
 120 {
 121         return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
 122 }
 123
 124 static inline bool machine__is_host(struct machine *machine)
 125 {
 126         return machine ? machine->pid == HOST_KERNEL_ID : false;
 127 }
 128
 129 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
 130                                        pid_t tid);
 131
 132 size_t machine__fprintf(struct machine *machine, FILE *fp);
 133
 134 static inline
 135 struct symbol *machine__find_kernel_symbol(struct machine *machine,
 136                                            enum map_type type, u64 addr,
 137                                            struct map **mapp,
 138                                            symbol_filter_t filter)
 139 {
 140         return map_groups__find_symbol(&machine->kmaps, type, addr,
 141                                        mapp, filter);
 142 }
 143
 144 static inline
 145 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
 146                                              struct map **mapp,
 147                                              symbol_filter_t filter)
 148 {
 149         return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
 150                                            mapp, filter);
 151 }
 152
 153 static inline
 154 struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
 155                                                      const char *name,
 156                                                      struct map **mapp,
 157                                                      symbol_filter_t filter)
 158 {
 159         return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
 160                                                  filter);
 161 }
 162
 163 struct map *machine__new_module(struct machine *machine, u64 start,
 164                                 const char *filename);
 165
 166 int machine__load_kallsyms(struct machine *machine, const char *filename,
 167                            enum map_type type, symbol_filter_t filter);
 168 int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
 169                                symbol_filter_t filter);
 170
 171 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
 172                                      bool (skip)(struct dso *dso, int parm), int parm);
 173 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
 174 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
 175                                      bool (skip)(struct dso *dso, int parm), int parm);
 176
 177 void machine__destroy_kernel_maps(struct machine *machine);
 178 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
 179 int machine__create_kernel_maps(struct machine *machine);
 180
 181 int machines__create_kernel_maps(struct machines *machines, pid_t pid);
 182 int machines__create_guest_kernel_maps(struct machines *machines);
 183 void machines__destroy_kernel_maps(struct machines *machines);
 184
 185 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
 186
 187 int machine__for_each_thread(struct machine *machine,
 188                              int (*fn)(struct thread *thread, void *p),
 189                              void *priv);
 190
 191 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
 192                                   struct target *target, struct thread_map *threads,
 193                                   perf_event__handler_t process, bool data_mmap);
 194 static inline
 195 int machine__synthesize_threads(struct machine *machine, struct target *target,
 196                                 struct thread_map *threads, bool data_mmap)
 197 {
 198         return __machine__synthesize_threads(machine, NULL, target, threads,
 199                                              perf_event__process, data_mmap);
 200 }
 201
 202 pid_t machine__get_current_tid(struct machine *machine, int cpu);
 203 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
 204                              pid_t tid);
 205
 206 #endif /* __PERF_MACHINE_H */