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 #ifdef HAVE_LIBUNWIND_SUPPORT 38 void *addr_space; 39 struct unwind_libunwind_ops *unwind_libunwind_ops; 40 #endif 41 }; 42 43 struct machine; 44 struct namespaces; 45 struct comm; 46 47 struct thread *thread__new(pid_t pid, pid_t tid); 48 int thread__init_map_groups(struct thread *thread, struct machine *machine); 49 void thread__delete(struct thread *thread); 50 51 struct thread *thread__get(struct thread *thread); 52 void thread__put(struct thread *thread); 53 54 static inline void __thread__zput(struct thread **thread) 55 { 56 thread__put(*thread); 57 *thread = NULL; 58 } 59 60 #define thread__zput(thread) __thread__zput(&thread) 61 62 static inline void thread__exited(struct thread *thread) 63 { 64 thread->dead = true; 65 } 66 67 struct namespaces *thread__namespaces(const struct thread *thread); 68 int thread__set_namespaces(struct thread *thread, u64 timestamp, 69 struct namespaces_event *event); 70 71 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, 72 bool exec); 73 static inline int thread__set_comm(struct thread *thread, const char *comm, 74 u64 timestamp) 75 { 76 return __thread__set_comm(thread, comm, timestamp, false); 77 } 78 79 int thread__set_comm_from_proc(struct thread *thread); 80 81 int thread__comm_len(struct thread *thread); 82 struct comm *thread__comm(const struct thread *thread); 83 struct comm *thread__exec_comm(const struct thread *thread); 84 const char *thread__comm_str(const struct thread *thread); 85 int thread__insert_map(struct thread *thread, struct map *map); 86 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp); 87 size_t thread__fprintf(struct thread *thread, FILE *fp); 88 89 struct thread *thread__main_thread(struct machine *machine, struct thread *thread); 90 91 void thread__find_addr_map(struct thread *thread, 92 u8 cpumode, enum map_type type, u64 addr, 93 struct addr_location *al); 94 95 void thread__find_addr_location(struct thread *thread, 96 u8 cpumode, enum map_type type, u64 addr, 97 struct addr_location *al); 98 99 void thread__find_cpumode_addr_location(struct thread *thread, 100 enum map_type type, u64 addr, 101 struct addr_location *al); 102 103 static inline void *thread__priv(struct thread *thread) 104 { 105 return thread->priv; 106 } 107 108 static inline void thread__set_priv(struct thread *thread, void *p) 109 { 110 thread->priv = p; 111 } 112 113 static inline bool thread__is_filtered(struct thread *thread) 114 { 115 if (symbol_conf.comm_list && 116 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 117 return true; 118 } 119 120 if (symbol_conf.pid_list && 121 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 122 return true; 123 } 124 125 if (symbol_conf.tid_list && 126 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 127 return true; 128 } 129 130 return false; 131 } 132 133 #endif /* __PERF_THREAD_H */ 134