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