11 struct thread *thread__new(pid_t pid, pid_t tid)
15 struct thread *thread = zalloc(sizeof(*thread));
18 map_groups__init(&thread->mg);
22 INIT_LIST_HEAD(&thread->comm_list);
24 comm_str = malloc(32);
28 snprintf(comm_str, 32, ":%d", tid);
29 comm = comm__new(comm_str, 0);
34 list_add(&comm->list, &thread->comm_list);
44 void thread__delete(struct thread *thread)
46 struct comm *comm, *tmp;
48 map_groups__exit(&thread->mg);
49 list_for_each_entry_safe(comm, tmp, &thread->comm_list, list) {
50 list_del(&comm->list);
57 struct comm *thread__comm(const struct thread *thread)
59 if (list_empty(&thread->comm_list))
62 return list_first_entry(&thread->comm_list, struct comm, list);
65 /* CHECKME: time should always be 0 if event aren't ordered */
66 int thread__set_comm(struct thread *thread, const char *str, u64 timestamp)
68 struct comm *new, *curr = thread__comm(thread);
70 /* Override latest entry if it had no specific time coverage */
72 comm__override(curr, str, timestamp);
76 new = comm__new(str, timestamp);
80 list_add(&new->list, &thread->comm_list);
81 thread->comm_set = true;
86 const char *thread__comm_str(const struct thread *thread)
88 const struct comm *comm = thread__comm(thread);
93 return comm__str(comm);
96 /* CHECKME: it should probably better return the max comm len from its comm list */
97 int thread__comm_len(struct thread *thread)
99 if (!thread->comm_len) {
100 const char *comm = thread__comm_str(thread);
103 thread->comm_len = strlen(comm);
106 return thread->comm_len;
109 size_t thread__fprintf(struct thread *thread, FILE *fp)
111 return fprintf(fp, "Thread %d %s\n", thread->tid, thread__comm_str(thread)) +
112 map_groups__fprintf(&thread->mg, verbose, fp);
115 void thread__insert_map(struct thread *thread, struct map *map)
117 map_groups__fixup_overlappings(&thread->mg, map, verbose, stderr);
118 map_groups__insert(&thread->mg, map);
121 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
125 if (parent->comm_set) {
126 const char *comm = thread__comm_str(parent);
129 err = thread__set_comm(thread, comm, timestamp);
132 thread->comm_set = true;
135 for (i = 0; i < MAP__NR_TYPES; ++i)
136 if (map_groups__clone(&thread->mg, &parent->mg, i) < 0)
139 thread->ppid = parent->tid;