1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PERF_THREAD_H 3 #define __PERF_THREAD_H 4 5 #include <linux/refcount.h> 6 #include <linux/rbtree.h> 7 #include <linux/list.h> 8 #include <unistd.h> 9 #include <sys/types.h> 10 #include "symbol.h" 11 #include <strlist.h> 12 #include <intlist.h> 13 14 struct thread_stack; 15 struct unwind_libunwind_ops; 16 17 struct thread { 18 union { 19 struct rb_node rb_node; 20 struct list_head node; 21 }; 22 struct map_groups *mg; 23 pid_t pid_; /* Not all tools update this */ 24 pid_t tid; 25 pid_t ppid; 26 int cpu; 27 refcount_t refcnt; 28 char shortname[3]; 29 bool comm_set; 30 int comm_len; 31 bool dead; /* if set thread has exited */ 32 struct list_head namespaces_list; 33 struct list_head comm_list; 34 u64 db_id; 35 36 void *priv; 37 struct thread_stack *ts; 38 struct nsinfo *nsinfo; 39 #ifdef HAVE_LIBUNWIND_SUPPORT 40 void *addr_space; 41 struct unwind_libunwind_ops *unwind_libunwind_ops; 42 #endif 43 }; 44 45 struct machine; 46 struct namespaces; 47 struct comm; 48 49 struct thread *thread__new(pid_t pid, pid_t tid); 50 int thread__init_map_groups(struct thread *thread, struct machine *machine); 51 void thread__delete(struct thread *thread); 52 53 struct thread *thread__get(struct thread *thread); 54 void thread__put(struct thread *thread); 55 56 static inline void __thread__zput(struct thread **thread) 57 { 58 thread__put(*thread); 59 *thread = NULL; 60 } 61 62 #define thread__zput(thread) __thread__zput(&thread) 63 64 static inline void thread__exited(struct thread *thread) 65 { 66 thread->dead = true; 67 } 68 69 struct namespaces *thread__namespaces(const struct thread *thread); 70 int thread__set_namespaces(struct thread *thread, u64 timestamp, 71 struct namespaces_event *event); 72 73 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, 74 bool exec); 75 static inline int thread__set_comm(struct thread *thread, const char *comm, 76 u64 timestamp) 77 { 78 return __thread__set_comm(thread, comm, timestamp, false); 79 } 80 81 int thread__set_comm_from_proc(struct thread *thread); 82 83 int thread__comm_len(struct thread *thread); 84 struct comm *thread__comm(const struct thread *thread); 85 struct comm *thread__exec_comm(const struct thread *thread); 86 const char *thread__comm_str(const struct thread *thread); 87 int thread__insert_map(struct thread *thread, struct map *map); 88 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp); 89 size_t thread__fprintf(struct thread *thread, FILE *fp); 90 91 struct thread *thread__main_thread(struct machine *machine, struct thread *thread); 92 93 void thread__find_addr_map(struct thread *thread, 94 u8 cpumode, enum map_type type, u64 addr, 95 struct addr_location *al); 96 97 void thread__find_addr_location(struct thread *thread, 98 u8 cpumode, enum map_type type, u64 addr, 99 struct addr_location *al); 100 101 void thread__find_cpumode_addr_location(struct thread *thread, 102 enum map_type type, u64 addr, 103 struct addr_location *al); 104 105 static inline void *thread__priv(struct thread *thread) 106 { 107 return thread->priv; 108 } 109 110 static inline void thread__set_priv(struct thread *thread, void *p) 111 { 112 thread->priv = p; 113 } 114 115 static inline bool thread__is_filtered(struct thread *thread) 116 { 117 if (symbol_conf.comm_list && 118 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 119 return true; 120 } 121 122 if (symbol_conf.pid_list && 123 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 124 return true; 125 } 126 127 if (symbol_conf.tid_list && 128 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 129 return true; 130 } 131 132 return false; 133 } 134 135 #endif /* __PERF_THREAD_H */ 136