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 <stdio.h> 9 #include <unistd.h> 10 #include <sys/types.h> 11 #include "srccode.h" 12 #include "symbol_conf.h" 13 #include <strlist.h> 14 #include <intlist.h> 15 #include "rwsem.h" 16 17 struct addr_location; 18 struct map; 19 struct perf_record_namespaces; 20 struct thread_stack; 21 struct unwind_libunwind_ops; 22 23 struct thread { 24 union { 25 struct rb_node rb_node; 26 struct list_head node; 27 }; 28 struct map_groups *mg; 29 pid_t pid_; /* Not all tools update this */ 30 pid_t tid; 31 pid_t ppid; 32 int cpu; 33 refcount_t refcnt; 34 bool comm_set; 35 int comm_len; 36 bool dead; /* if set thread has exited */ 37 struct list_head namespaces_list; 38 struct rw_semaphore namespaces_lock; 39 struct list_head comm_list; 40 struct rw_semaphore comm_lock; 41 u64 db_id; 42 43 void *priv; 44 struct thread_stack *ts; 45 struct nsinfo *nsinfo; 46 struct srccode_state srccode_state; 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(struct thread *thread); 76 int thread__set_namespaces(struct thread *thread, u64 timestamp, 77 struct perf_record_namespaces *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(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 int thread__memcpy(struct thread *thread, struct machine *machine, 113 void *buf, u64 ip, int len, bool *is64bit); 114 115 static inline void *thread__priv(struct thread *thread) 116 { 117 return thread->priv; 118 } 119 120 static inline void thread__set_priv(struct thread *thread, void *p) 121 { 122 thread->priv = p; 123 } 124 125 static inline bool thread__is_filtered(struct thread *thread) 126 { 127 if (symbol_conf.comm_list && 128 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { 129 return true; 130 } 131 132 if (symbol_conf.pid_list && 133 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { 134 return true; 135 } 136 137 if (symbol_conf.tid_list && 138 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { 139 return true; 140 } 141 142 return false; 143 } 144 145 #endif /* __PERF_THREAD_H */ 146