qemu-patch-raspberry4/migration/dirtyrate.h

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/*
* Dirtyrate common functions
*
* Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD.
*
* Authors:
* Chuan Zheng <zhengchuan@huawei.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_MIGRATION_DIRTYRATE_H
#define QEMU_MIGRATION_DIRTYRATE_H
/*
* Sample 512 pages per GB as default.
* TODO: Make it configurable.
*/
#define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512
struct DirtyRateConfig {
uint64_t sample_pages_per_gigabytes; /* sample pages per GB */
int64_t sample_period_seconds; /* time duration between two sampling */
};
void *get_dirtyrate_thread(void *arg);
#endif