1 #ifndef __PERF_THREAD_H 2 #define __PERF_THREAD_H 3 4 #include <linux/refcount.h> 5 #include <linux/rbtree.h> 6 #include <linux/list.h> 7 #include <unistd.h> 8 #include <sys/types.h> 9 #include "symbol.h" 10 #include <strlist.h> 11 #include <intlist.h> 12 13 struct thread_stack; 14 struct unwind_libunwind_ops; 15 16 struct thread { 17 union { 18 struct rb_node rb_node; 19 struct list_head node; 20 }; 21 struct map_groups *mg; 22 pid_t pid_; /* Not all tools update this */ 23 pid_t tid; 24 pid_t ppid; 25 int cpu; 26 refcount_t refcnt; 27 char shortname[3]; 28 bool comm_set; 29 int comm_len; 30 bool dead; /* if set thread has exited */ 31 struct list_head namespaces_list; 32 struct list_head comm_list; 33 u64 db_id; 34 35 void *priv; 36 struct thread_stack *ts; 37 struct nsinfo *nsinfo; 38 #ifdef HAVE_LIBUNWIND_SUPPORT 39 void *addr_space; 40 struct unwind_libunwind_ops *unwind_libunwind_ops; 41 #endif 42 }; 43 44 struct machine; 45 struct namespaces; 46 struct comm; 47 48 struct thread *thread__new(pid_t pid, pid_t tid); 49 int thread__init_map_groups(struct thread *thread, struct machine *machine); 50 void thread__delete(struct thread *thread); 51 52 struct thread *thread__get(struct thread *thread); 53 void thread__put(struct thread *thread); 54 55 static inline void __thread__zput(struct thread **thread) 56 { 57 thread__put(*thread); 58 *thread = NULL; 59 } 60 61 #define thread__zput(thread) __thread__zput(&thread) 62 63 static inline void thread__exited(struct thread *thread) 64 { 65 thread->dead = true; 66 } 67 68 struct namespaces *thread__namespaces(const struct thread *thread); 69 int thread__set_namespaces(struct thread *thread, u64 timestamp, 70 struct namespaces_event *event); 71 72 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, 73 bool exec); 74 static inline int thread__set_comm(struct thread *thread, const char *comm, 75 u64 timestamp) 76 { 77 return __thread__set_comm(thread, comm, timestamp, false); 78 } 79 80 int thread__set_comm_from_proc(struct thread *thread); 81 82 int thread__comm_len(struct thread *thread); 83 struct comm *thread__comm(const struct thread *thread); 84 struct comm *thread__exec_comm(const struct thread *thread); 85 const char *thread__comm_str(const struct thread *thread); 86 int thread__insert_map(struct thread *thread, struct map *map); 87 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp); 88 size_t thread__fprintf(struct thread *thread, FILE *fp); 89 90 struct thread *thread__main_thread(struct machine *machine, struct thread *thread); 91 92 void thread__find_addr_map(struct thread *thread, 93 u8 cpumode, enum map_type type, u64 addr, 94 struct addr_location *al); 95 96 void thread__find_addr_location(struct thread *thread, 97 u8 cpumode, enum map_type type, u64 addr, 98 struct addr_location *al); 99 100 void thread__find_cpumode_addr_location(struct thread *thread, 101 enum map_type type, u64 addr, 102 struct addr_location *al); 103 104 static inline void *thread__priv(struct thread *thread) 105 { 106 return thread->priv; 107 } 108 109 static inline void thread__set_priv(struct thread *thread, void *p) 110 { 111 thread->priv = p; 112 } 113 114 static inline bool thread__is_filtered(struct thread *thread) 115 { 116 if (symbol_conf.comm_list && 117 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 118 return true; 119 } 120 121 if (symbol_conf.pid_list && 122 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 123 return true; 124 } 125 126 if (symbol_conf.tid_list && 127 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 128 return true; 129 } 130 131 return false; 132 } 133 134 #endif /* __PERF_THREAD_H */ 135