1 /* 2 * Dirty page rate limit common functions 3 * 4 * Copyright (c) 2022 CHINA TELECOM CO.,LTD. 5 * 6 * Authors: 7 * Hyman Huang(黄勇) <huangy81@chinatelecom.cn> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or later. 10 * See the COPYING file in the top-level directory. 11 */ 12 #ifndef QEMU_DIRTYRLIMIT_H 13 #define QEMU_DIRTYRLIMIT_H 14 15 #define DIRTYLIMIT_CALC_TIME_MS 1000 /* 1000ms */ 16 17 int64_t vcpu_dirty_rate_get(int cpu_index); 18 void vcpu_dirty_rate_stat_start(void); 19 void vcpu_dirty_rate_stat_stop(void); 20 void vcpu_dirty_rate_stat_initialize(void); 21 void vcpu_dirty_rate_stat_finalize(void); 22 23 void dirtylimit_state_lock(void); 24 void dirtylimit_state_unlock(void); 25 void dirtylimit_state_initialize(void); 26 void dirtylimit_state_finalize(void); 27 bool dirtylimit_in_service(void); 28 bool dirtylimit_vcpu_index_valid(int cpu_index); 29 void dirtylimit_process(void); 30 void dirtylimit_change(bool start); 31 void dirtylimit_set_vcpu(int cpu_index, 32 uint64_t quota, 33 bool enable); 34 void dirtylimit_set_all(uint64_t quota, 35 bool enable); 36 void dirtylimit_vcpu_execute(CPUState *cpu); 37 uint64_t dirtylimit_throttle_time_per_round(void); 38 uint64_t dirtylimit_ring_full_time(void); 39 #endif 40