1*32cad1ffSPhilippe Mathieu-Daudé /* 2*32cad1ffSPhilippe Mathieu-Daudé * Dirty page rate limit common functions 3*32cad1ffSPhilippe Mathieu-Daudé * 4*32cad1ffSPhilippe Mathieu-Daudé * Copyright (c) 2022 CHINA TELECOM CO.,LTD. 5*32cad1ffSPhilippe Mathieu-Daudé * 6*32cad1ffSPhilippe Mathieu-Daudé * Authors: 7*32cad1ffSPhilippe Mathieu-Daudé * Hyman Huang(黄勇) <huangy81@chinatelecom.cn> 8*32cad1ffSPhilippe Mathieu-Daudé * 9*32cad1ffSPhilippe Mathieu-Daudé * This work is licensed under the terms of the GNU GPL, version 2 or later. 10*32cad1ffSPhilippe Mathieu-Daudé * See the COPYING file in the top-level directory. 11*32cad1ffSPhilippe Mathieu-Daudé */ 12*32cad1ffSPhilippe Mathieu-Daudé #ifndef QEMU_DIRTYRLIMIT_H 13*32cad1ffSPhilippe Mathieu-Daudé #define QEMU_DIRTYRLIMIT_H 14*32cad1ffSPhilippe Mathieu-Daudé 15*32cad1ffSPhilippe Mathieu-Daudé #define DIRTYLIMIT_CALC_TIME_MS 1000 /* 1000ms */ 16*32cad1ffSPhilippe Mathieu-Daudé 17*32cad1ffSPhilippe Mathieu-Daudé int64_t vcpu_dirty_rate_get(int cpu_index); 18*32cad1ffSPhilippe Mathieu-Daudé void vcpu_dirty_rate_stat_start(void); 19*32cad1ffSPhilippe Mathieu-Daudé void vcpu_dirty_rate_stat_stop(void); 20*32cad1ffSPhilippe Mathieu-Daudé void vcpu_dirty_rate_stat_initialize(void); 21*32cad1ffSPhilippe Mathieu-Daudé void vcpu_dirty_rate_stat_finalize(void); 22*32cad1ffSPhilippe Mathieu-Daudé 23*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_state_lock(void); 24*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_state_unlock(void); 25*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_state_initialize(void); 26*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_state_finalize(void); 27*32cad1ffSPhilippe Mathieu-Daudé bool dirtylimit_in_service(void); 28*32cad1ffSPhilippe Mathieu-Daudé bool dirtylimit_vcpu_index_valid(int cpu_index); 29*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_process(void); 30*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_change(bool start); 31*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_set_vcpu(int cpu_index, 32*32cad1ffSPhilippe Mathieu-Daudé uint64_t quota, 33*32cad1ffSPhilippe Mathieu-Daudé bool enable); 34*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_set_all(uint64_t quota, 35*32cad1ffSPhilippe Mathieu-Daudé bool enable); 36*32cad1ffSPhilippe Mathieu-Daudé void dirtylimit_vcpu_execute(CPUState *cpu); 37*32cad1ffSPhilippe Mathieu-Daudé uint64_t dirtylimit_throttle_time_per_round(void); 38*32cad1ffSPhilippe Mathieu-Daudé uint64_t dirtylimit_ring_full_time(void); 39*32cad1ffSPhilippe Mathieu-Daudé #endif 40