1 #ifndef __PERF_THREAD_H 2 #define __PERF_THREAD_H 3 4 #include <linux/atomic.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 atomic_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 comm_list; 32 u64 db_id; 33 34 void *priv; 35 struct thread_stack *ts; 36 #ifdef HAVE_LIBUNWIND_SUPPORT 37 void *addr_space; 38 struct unwind_libunwind_ops *unwind_libunwind_ops; 39 #endif 40 }; 41 42 struct machine; 43 struct comm; 44 45 struct thread *thread__new(pid_t pid, pid_t tid); 46 int thread__init_map_groups(struct thread *thread, struct machine *machine); 47 void thread__delete(struct thread *thread); 48 49 struct thread *thread__get(struct thread *thread); 50 void thread__put(struct thread *thread); 51 52 static inline void __thread__zput(struct thread **thread) 53 { 54 thread__put(*thread); 55 *thread = NULL; 56 } 57 58 #define thread__zput(thread) __thread__zput(&thread) 59 60 static inline void thread__exited(struct thread *thread) 61 { 62 thread->dead = true; 63 } 64 65 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, 66 bool exec); 67 static inline int thread__set_comm(struct thread *thread, const char *comm, 68 u64 timestamp) 69 { 70 return __thread__set_comm(thread, comm, timestamp, false); 71 } 72 73 int thread__set_comm_from_proc(struct thread *thread); 74 75 int thread__comm_len(struct thread *thread); 76 struct comm *thread__comm(const struct thread *thread); 77 struct comm *thread__exec_comm(const struct thread *thread); 78 const char *thread__comm_str(const struct thread *thread); 79 int thread__insert_map(struct thread *thread, struct map *map); 80 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp); 81 size_t thread__fprintf(struct thread *thread, FILE *fp); 82 83 struct thread *thread__main_thread(struct machine *machine, struct thread *thread); 84 85 void thread__find_addr_map(struct thread *thread, 86 u8 cpumode, enum map_type type, u64 addr, 87 struct addr_location *al); 88 89 void thread__find_addr_location(struct thread *thread, 90 u8 cpumode, enum map_type type, u64 addr, 91 struct addr_location *al); 92 93 void thread__find_cpumode_addr_location(struct thread *thread, 94 enum map_type type, u64 addr, 95 struct addr_location *al); 96 97 static inline void *thread__priv(struct thread *thread) 98 { 99 return thread->priv; 100 } 101 102 static inline void thread__set_priv(struct thread *thread, void *p) 103 { 104 thread->priv = p; 105 } 106 107 static inline bool thread__is_filtered(struct thread *thread) 108 { 109 if (symbol_conf.comm_list && 110 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 111 return true; 112 } 113 114 if (symbol_conf.pid_list && 115 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 116 return true; 117 } 118 119 if (symbol_conf.tid_list && 120 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 121 return true; 122 } 123 124 return false; 125 } 126 127 #endif /* __PERF_THREAD_H */ 128