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