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 #include "rwsem.h" 14 15 struct thread_stack; 16 struct unwind_libunwind_ops; 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 refcount_t refcnt; 29 bool comm_set; 30 int comm_len; 31 bool dead; /* if set thread has exited */ 32 struct list_head namespaces_list; 33 struct rw_semaphore namespaces_lock; 34 struct list_head comm_list; 35 struct rw_semaphore comm_lock; 36 u64 db_id; 37 38 void *priv; 39 struct thread_stack *ts; 40 struct nsinfo *nsinfo; 41 #ifdef HAVE_LIBUNWIND_SUPPORT 42 void *addr_space; 43 struct unwind_libunwind_ops *unwind_libunwind_ops; 44 #endif 45 bool filter; 46 int filter_entry_depth; 47 }; 48 49 struct machine; 50 struct namespaces; 51 struct comm; 52 53 struct thread *thread__new(pid_t pid, pid_t tid); 54 int thread__init_map_groups(struct thread *thread, struct machine *machine); 55 void thread__delete(struct thread *thread); 56 57 struct thread *thread__get(struct thread *thread); 58 void thread__put(struct thread *thread); 59 60 static inline void __thread__zput(struct thread **thread) 61 { 62 thread__put(*thread); 63 *thread = NULL; 64 } 65 66 #define thread__zput(thread) __thread__zput(&thread) 67 68 static inline void thread__exited(struct thread *thread) 69 { 70 thread->dead = true; 71 } 72 73 struct namespaces *thread__namespaces(const struct thread *thread); 74 int thread__set_namespaces(struct thread *thread, u64 timestamp, 75 struct namespaces_event *event); 76 77 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, 78 bool exec); 79 static inline int thread__set_comm(struct thread *thread, const char *comm, 80 u64 timestamp) 81 { 82 return __thread__set_comm(thread, comm, timestamp, false); 83 } 84 85 int thread__set_comm_from_proc(struct thread *thread); 86 87 int thread__comm_len(struct thread *thread); 88 struct comm *thread__comm(const struct thread *thread); 89 struct comm *thread__exec_comm(const struct thread *thread); 90 const char *thread__comm_str(const struct thread *thread); 91 int thread__insert_map(struct thread *thread, struct map *map); 92 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone); 93 size_t thread__fprintf(struct thread *thread, FILE *fp); 94 95 struct thread *thread__main_thread(struct machine *machine, struct thread *thread); 96 97 struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, 98 struct addr_location *al); 99 100 struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode, 101 u64 addr, struct addr_location *al); 102 103 void thread__find_cpumode_addr_location(struct thread *thread, u64 addr, 104 struct addr_location *al); 105 106 static inline void *thread__priv(struct thread *thread) 107 { 108 return thread->priv; 109 } 110 111 static inline void thread__set_priv(struct thread *thread, void *p) 112 { 113 thread->priv = p; 114 } 115 116 static inline bool thread__is_filtered(struct thread *thread) 117 { 118 if (symbol_conf.comm_list && 119 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 120 return true; 121 } 122 123 if (symbol_conf.pid_list && 124 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 125 return true; 126 } 127 128 if (symbol_conf.tid_list && 129 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 130 return true; 131 } 132 133 return false; 134 } 135 136 #endif /* __PERF_THREAD_H */ 137