52     auto it = qos_interval_create(100, static_cast<int>(ffrt::qos_user_interactive));  variable
53     int ret = qos_interval_begin(it);
56     qos_interval_end(it);
58     ret = qos_interval_begin(it);
61     qos_interval_update(it, 50);
62     qos_interval_end(it);
63     qos_interval_destroy(it);
68     auto it = qos_interval_create(100, static_cast<int>(ffrt::qos_user_interactive));  variable
69     int ret = qos_interval_begin(it);
72     qos_interval_join(it);
73     qos_interval_leave(it);
75     qos_interval_end(it);
76     qos_interval_destroy(it);
81     auto it = qos_interval_create(100, static_cast<int>(ffrt::qos_user_interactive));  variable
82     int ret = qos_interval_begin(it);
85     ret = qos_interval_begin(it);
88     qos_interval_end(it);
90     ret = qos_interval_begin(it);
92     qos_interval_destroy(it);
97     auto it = qos_interval_create(100, static_cast<int>(ffrt::qos_user_interactive));  variable
99     qos_interval_update(it, 50);
100     qos_interval_end(it);
102     int ret = qos_interval_begin(it);
105     qos_interval_end(it);
106     qos_interval_destroy(it);
111     auto it = qos_interval_create(100, static_cast<int>(ffrt::qos_default));  variable
113     qos_interval_update(it, 50);
114     qos_interval_end(it);
116     int ret = qos_interval_begin(it);
119     qos_interval_join(it);
120     qos_interval_leave(it);
122     qos_interval_end(it);
123     qos_interval_destroy(it);