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 "map.h" 12 #include <strlist.h> 13 #include <intlist.h> 14 #include "rwsem.h" 15 16 struct thread_stack; 17 struct unwind_libunwind_ops; 18 19 struct thread { 20 union { 21 struct rb_node rb_node; 22 struct list_head node; 23 }; 24 struct map_groups *mg; 25 pid_t pid_; /* Not all tools update this */ 26 pid_t tid; 27 pid_t ppid; 28 int cpu; 29 refcount_t refcnt; 30 bool comm_set; 31 int comm_len; 32 bool dead; /* if set thread has exited */ 33 struct list_head namespaces_list; 34 struct rw_semaphore namespaces_lock; 35 struct list_head comm_list; 36 struct rw_semaphore comm_lock; 37 u64 db_id; 38 39 void *priv; 40 struct thread_stack *ts; 41 struct nsinfo *nsinfo; 42 struct srccode_state srccode_state; 43 #ifdef HAVE_LIBUNWIND_SUPPORT 44 void *addr_space; 45 struct unwind_libunwind_ops *unwind_libunwind_ops; 46 #endif 47 bool filter; 48 int filter_entry_depth; 49 }; 50 51 struct machine; 52 struct namespaces; 53 struct comm; 54 55 struct thread *thread__new(pid_t pid, pid_t tid); 56 int thread__init_map_groups(struct thread *thread, struct machine *machine); 57 void thread__delete(struct thread *thread); 58 59 struct thread *thread__get(struct thread *thread); 60 void thread__put(struct thread *thread); 61 62 static inline void __thread__zput(struct thread **thread) 63 { 64 thread__put(*thread); 65 *thread = NULL; 66 } 67 68 #define thread__zput(thread) __thread__zput(&thread) 69 70 static inline void thread__exited(struct thread *thread) 71 { 72 thread->dead = true; 73 } 74 75 struct namespaces *thread__namespaces(const struct thread *thread); 76 int thread__set_namespaces(struct thread *thread, u64 timestamp, 77 struct namespaces_event *event); 78 79 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, 80 bool exec); 81 static inline int thread__set_comm(struct thread *thread, const char *comm, 82 u64 timestamp) 83 { 84 return __thread__set_comm(thread, comm, timestamp, false); 85 } 86 87 int thread__set_comm_from_proc(struct thread *thread); 88 89 int thread__comm_len(struct thread *thread); 90 struct comm *thread__comm(const struct thread *thread); 91 struct comm *thread__exec_comm(const struct thread *thread); 92 const char *thread__comm_str(const struct thread *thread); 93 int thread__insert_map(struct thread *thread, struct map *map); 94 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone); 95 size_t thread__fprintf(struct thread *thread, FILE *fp); 96 97 struct thread *thread__main_thread(struct machine *machine, struct thread *thread); 98 99 struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, 100 struct addr_location *al); 101 struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr, 102 struct addr_location *al); 103 104 struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode, 105 u64 addr, struct addr_location *al); 106 struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode, 107 u64 addr, struct addr_location *al); 108 109 void thread__find_cpumode_addr_location(struct thread *thread, u64 addr, 110 struct addr_location *al); 111 112 static inline void *thread__priv(struct thread *thread) 113 { 114 return thread->priv; 115 } 116 117 static inline void thread__set_priv(struct thread *thread, void *p) 118 { 119 thread->priv = p; 120 } 121 122 static inline bool thread__is_filtered(struct thread *thread) 123 { 124 if (symbol_conf.comm_list && 125 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 126 return true; 127 } 128 129 if (symbol_conf.pid_list && 130 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 131 return true; 132 } 133 134 if (symbol_conf.tid_list && 135 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 136 return true; 137 } 138 139 return false; 140 } 141 142 #endif /* __PERF_THREAD_H */ 143