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 8 struct addr_location; 9 struct branch_stack; 10 struct perf_evsel; 11 struct perf_sample; 12 struct symbol; 13 struct thread; 14 union perf_event; 15 16 /* Native host kernel uses -1 as pid index in machine */ 17 #define HOST_KERNEL_ID (-1) 18 #define DEFAULT_GUEST_KERNEL_ID (0) 19 20 struct machine { 21 struct rb_node rb_node; 22 pid_t pid; 23 u16 id_hdr_size; 24 char *root_dir; 25 struct rb_root threads; 26 struct list_head dead_threads; 27 struct thread *last_match; 28 struct list_head user_dsos; 29 struct list_head kernel_dsos; 30 struct map_groups kmaps; 31 struct map *vmlinux_maps[MAP__NR_TYPES]; 32 symbol_filter_t symbol_filter; 33 }; 34 35 static inline 36 struct map *machine__kernel_map(struct machine *machine, enum map_type type) 37 { 38 return machine->vmlinux_maps[type]; 39 } 40 41 struct thread *machine__find_thread(struct machine *machine, pid_t tid); 42 43 int machine__process_comm_event(struct machine *machine, union perf_event *event); 44 int machine__process_exit_event(struct machine *machine, union perf_event *event); 45 int machine__process_fork_event(struct machine *machine, union perf_event *event); 46 int machine__process_lost_event(struct machine *machine, union perf_event *event); 47 int machine__process_mmap_event(struct machine *machine, union perf_event *event); 48 int machine__process_event(struct machine *machine, union perf_event *event); 49 50 typedef void (*machine__process_t)(struct machine *machine, void *data); 51 52 struct machines { 53 struct machine host; 54 struct rb_root guests; 55 symbol_filter_t symbol_filter; 56 }; 57 58 void machines__init(struct machines *machines); 59 void machines__exit(struct machines *machines); 60 61 void machines__process_guests(struct machines *machines, 62 machine__process_t process, void *data); 63 64 struct machine *machines__add(struct machines *machines, pid_t pid, 65 const char *root_dir); 66 struct machine *machines__find_host(struct machines *machines); 67 struct machine *machines__find(struct machines *machines, pid_t pid); 68 struct machine *machines__findnew(struct machines *machines, pid_t pid); 69 70 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 71 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 72 73 void machines__set_symbol_filter(struct machines *machines, 74 symbol_filter_t symbol_filter); 75 76 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 77 void machine__exit(struct machine *machine); 78 void machine__delete_dead_threads(struct machine *machine); 79 void machine__delete_threads(struct machine *machine); 80 void machine__delete(struct machine *machine); 81 82 struct branch_info *machine__resolve_bstack(struct machine *machine, 83 struct thread *thread, 84 struct branch_stack *bs); 85 struct mem_info *machine__resolve_mem(struct machine *machine, 86 struct thread *thread, 87 struct perf_sample *sample, u8 cpumode); 88 int machine__resolve_callchain(struct machine *machine, 89 struct perf_evsel *evsel, 90 struct thread *thread, 91 struct perf_sample *sample, 92 struct symbol **parent, 93 struct addr_location *root_al); 94 95 /* 96 * Default guest kernel is defined by parameter --guestkallsyms 97 * and --guestmodules 98 */ 99 static inline bool machine__is_default_guest(struct machine *machine) 100 { 101 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 102 } 103 104 static inline bool machine__is_host(struct machine *machine) 105 { 106 return machine ? machine->pid == HOST_KERNEL_ID : false; 107 } 108 109 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, 110 pid_t tid); 111 112 size_t machine__fprintf(struct machine *machine, FILE *fp); 113 114 static inline 115 struct symbol *machine__find_kernel_symbol(struct machine *machine, 116 enum map_type type, u64 addr, 117 struct map **mapp, 118 symbol_filter_t filter) 119 { 120 return map_groups__find_symbol(&machine->kmaps, type, addr, 121 mapp, filter); 122 } 123 124 static inline 125 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 126 struct map **mapp, 127 symbol_filter_t filter) 128 { 129 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 130 mapp, filter); 131 } 132 133 static inline 134 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 135 const char *name, 136 struct map **mapp, 137 symbol_filter_t filter) 138 { 139 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 140 filter); 141 } 142 143 struct map *machine__new_module(struct machine *machine, u64 start, 144 const char *filename); 145 146 int machine__load_kallsyms(struct machine *machine, const char *filename, 147 enum map_type type, symbol_filter_t filter); 148 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 149 symbol_filter_t filter); 150 151 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 152 bool (skip)(struct dso *dso, int parm), int parm); 153 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 154 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 155 bool (skip)(struct dso *dso, int parm), int parm); 156 157 void machine__destroy_kernel_maps(struct machine *machine); 158 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 159 int machine__create_kernel_maps(struct machine *machine); 160 161 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 162 int machines__create_guest_kernel_maps(struct machines *machines); 163 void machines__destroy_kernel_maps(struct machines *machines); 164 165 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 166 167 #endif /* __PERF_MACHINE_H */ 168