include/sysemu/dirtyrate.h

   1 /*
   2  * dirty page rate helper 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
  13 #ifndef QEMU_DIRTYRATE_H
  14 #define QEMU_DIRTYRATE_H
  15
  16 #include "qapi/qapi-types-migration.h"
  17
  18 typedef struct VcpuStat {
  19     int nvcpu; /* number of vcpu */
  20     DirtyRateVcpu *rates; /* array of dirty rate for each vcpu */
  21 } VcpuStat;
  22
  23 int64_t vcpu_calculate_dirtyrate(int64_t calc_time_ms,
  24                                  VcpuStat *stat,
  25                                  unsigned int flag,
  26                                  bool one_shot);
  27
  28 void global_dirty_log_change(unsigned int flag,
  29                              bool start);
  30 #endif