40 static inline int64_t ratelimit_calculate_delay(RateLimit *limit, uint64_t n)  in ratelimit_calculate_delay()  argument
45     QEMU_LOCK_GUARD(&limit->lock);  in ratelimit_calculate_delay()
46     if (!limit->slice_quota) {  in ratelimit_calculate_delay()
50     assert(limit->slice_ns);  in ratelimit_calculate_delay()
52     if (limit->slice_end_time < now) {  in ratelimit_calculate_delay()
55         limit->slice_start_time = now;  in ratelimit_calculate_delay()
56         limit->slice_end_time = now + limit->slice_ns;  in ratelimit_calculate_delay()
57         limit->dispatched = 0;  in ratelimit_calculate_delay()
60     limit->dispatched += n;  in ratelimit_calculate_delay()
61     if (limit->dispatched < limit->slice_quota) {  in ratelimit_calculate_delay()
69     delay_slices = (double)limit->dispatched / limit->slice_quota;  in ratelimit_calculate_delay()
70     limit->slice_end_time = limit->slice_start_time +  in ratelimit_calculate_delay()
71         (uint64_t)(delay_slices * limit->slice_ns);  in ratelimit_calculate_delay()
72     return limit->slice_end_time - now;  in ratelimit_calculate_delay()
75 static inline void ratelimit_init(RateLimit *limit)  in ratelimit_init()  argument
77     qemu_mutex_init(&limit->lock);  in ratelimit_init()
80 static inline void ratelimit_destroy(RateLimit *limit)  in ratelimit_destroy()  argument
82     qemu_mutex_destroy(&limit->lock);  in ratelimit_destroy()
85 static inline void ratelimit_set_speed(RateLimit *limit, uint64_t speed,  in ratelimit_set_speed()  argument
88     QEMU_LOCK_GUARD(&limit->lock);  in ratelimit_set_speed()
89     limit->slice_ns = slice_ns;  in ratelimit_set_speed()
91         limit->slice_quota = 0;  in ratelimit_set_speed()
93         limit->slice_quota = MAX(((double)speed * slice_ns) / 1000000000ULL, 1);  in ratelimit_set_speed()